Internal-combustion engines inventions 09/06

20060207526 - Method and device for operating an internal combustion engine: A method and a device for operating an internal combustion engine which allow monitoring of errors during combustion without using a pressure sensor are provided. The internal combustion engine includes a final controlling element in an exhaust system of the internal combustion engine and a signal production unit for producing...

20060207527 - Dual-injector fuel injection engine: A dual-injector fuel injection engine includes a cylinder block, a cylinder head, an intake port, an intake manifold, a surge tank, an in-cylinder injector, an intake pipe injector, and first and second delivery pipes. The in-cylinder injector is positioned below the intake port, when seen from an axial direction of...

20060207530 - Direct pressure feed air bleed system: A manifold assembly includes a pressure feed orifice that directly connects an inlet circuit to a control circuit of the manifold. This direct connection between the pressure inlet to the control circuit allows air to be bled out of the manifold assembly. Low pressure fluid in the assembly pushes out...

20060207531 - Control apparatus for electric variable valve actuation mechanism: An electric variable valve timing mechanism and a starter are actuated by electricity supplied from a common battery. During an engine starting process, the starter is actuated, and an electronic control unit controls the electric variable valve timing mechanism. The electronic control unit limits the actuation of the electric variable...

20060207534 - Cam angle detecting apparatus, and cam phase detecting apparatus for internal combustion engine and cam phase detecting method thereof: An in-line four-cylinder engine provided with a variable valve timing mechanism which changes a rotation phase of a camshaft relative to a crankshaft, and a cam angle sensor which outputs a cam angle signal at each 45 (deg.) of the camshaft, detection of an angle spanning from a reference rotational...

20060207535 - Internal combustion engine: In an internal combustion engine, a variable lift and/or operating angle mechanism variably controls a lift and/or operating angle of an exhaust valve in accordance with a driving condition of the engine, a variable phase mechanism variably controls a phase of a lift center angle of the exhaust valve in...

20060207533 - Valve mechanism for an internal combustion engine: A valve drive mechanism for actuating a valve of an internal combustion engine includes a camshaft that is rotated by a crankshaft of the internal combustion engine. The crankshaft has a cam with positive and negative acceleration portions. A swing member rocked on a support shaft by rotation of the...

20060207532 - Valve mechanism for internal combustion engine: A valve drive mechanism is provided for opening and closing a valve of an engine. The device comprises a valve drive device and a swing member pivotally supported on a swing member support shaft. The swing member is driven to pivot about the swing member support shaft by the valve...

20060207536 - Variable valve system with control shaft actuating mechanism: A variable valve system varies an operation condition of an engine valve by controlling an angular position of a control shaft in accordance with an operation condition of the engine. The system has an actuating mechanism for actuating the control shaft. The actuating mechanism comprises a threaded shaft that is...

20060207538 - Camshaft to phaser coupling: An engine is described having a camshaft 10 formed of an inner shaft 12 and an outer tube 14 both of which rotate with respective groups of cams 18 and 16. A drive train driving both the inner shaft 12 and the outer tube from the engine crankshaft includes a...

20060207539 - Variable valve control apparatus and variable valve controlling method for internal combustion engine: The rotational acceleration of an engine is calculated based on a detection value of an engine rotating speed, the inertia torque to be transmitted to a variable valve mechanism, such as a variable valve timing control mechanism or the like, is calculated based on the rotational acceleration, a correction amount...

20060207537 - Variable valve timing control device: A variable valve timing control device includes a housing member, a rotor member assembled on the housing member so as to rotate relative thereto, a vane provided on the rotor member, a fluid pressure chamber divided into an advanced angle chamber and a retarded angle chamber by the vane, a...

20060207540 - Valve lifter: A valve lifter, in which an amorphous hard carbon film is coated at least on the surface that slides against a cam, is characterized in that the surface of a base material (substrate) has an arithmetic mean roughness of Ra 0.01 to 0.03 micrometers, and the maximum length of the...

20060207528 - Valve train for an internal combustion engine: The invention provides a valve train for an internal combustion engine, comprising an elongate anti-rotation bridge (16) acting as a retention device and a mounting aid and comprising receptions (18) for valve lash adjusters arranged spaced behind one another. A valve adjuster configured as a roller tappet (17) is arranged...

20060207529 - Camshaft assembly: A camshaft assembly 10 is disclosed which comprises an inner shaft 12, an outer tube 14 surrounding and rotatable relative to the inner shaft 12, and two groups of cam lobes 16 and 18 mounted on the outer tube 14. The first group of cam lobes 16 is fast in...

20060207541 - Glow plug energization control to avoid overheating: A glow plug energization control apparatus is provided which includes a power supply working to supply electric power to a glow plug mounted in an internal combustion engine, an on-off switch working to produce a control trigger signal when turned on, and a controller including a microcomputer. The microcomputer is...

20060207542 - Oil supply apparatus: A oil supply apparatus includes a pair of balancer shafts arranged at an upper space of an oil pan provided at a lower part of an engine, a scavenge pump activated by one of the pair of balancer shafts, and a feed pump activated by the other of the pair...

20060207543 - Lubricant supply mechanism for an internal combustion engine: In a lubricant supply mechanism for an internal combustion engine with an oil receiving case arranged under a crankcase, two chambers are constructed for exhausted oil. A first oil pump suctions lubricant from a first chamber and supplies the lubricant to a consumer, such as, for example, a crankshaft bearing...

20060207544 - Interchangeable 2-stroke or 4-stroke high torque power engine: This invention is a fuel efficient, high torque power, offset piston engine. The basic invention is a 2-stroke 2-cylinder engine. A single idler gear provides ignition timing between a pair of out-of-phase power pistons as 1-way clutches transmit the power to the engine's power shaft. Displacing and replacing a special...

20060207545 - Structural component, a shielding component in particular: In a structural component (1), a shielding component in particular, with individual adjacent component sections (21, 23) which can be brought at least partially by means of a functional unit (25) into a definable three-dimensional position to each other along an action line, the functional unit (25), divided into component...

20060207546 - Engine system: A rotary engine includes a housing with at least one housing chamber formed in an inner surface of the housing. The rotary engine also includes a rotor rotatably mounted within the housing. At least one rotor chamber is formed in an outer surface of the rotor. The at least one...

20060207547 - Internal combustion engine: An in-cylinder injector injects a spray such that the spray spreads in an inverted V-shape with a spark plug lying between two prongs when viewed from above and in a fan shape when viewed from a side. On a top surface of a piston, a cavity having a bottom surface...

20060207548 - Piston for internal combustion engine and internal combustion engine having the piston: A piston includes: in a cross-section that is perpendicular to a piston pin and that includes a center axis of the piston, a great thickness-reduction portion provided to attain a thin thickness as stress applied to the piston on a side without a cavity is small, and a small thickness-reduction...

20060207549 - Method for operating an internal combustion engine: In a method for operating an internal combustion engine with exhaust gas purification system, a rich-burn mode of the internal combustion engine with a rich exhaust gas composition or a lean-burn mode of the internal combustion engine with a lean exhaust gas composition is set alternately, and the quantity of...

20060207550 - Control device for internal combustion engine: An engine ECU executes a program including the steps of: detecting an accelerator position; calculating a load factor KL of an engine based on the accelerator position or the like; when the engine is in a high load region, raising a pressure of fuel supplied to an in-cylinder injector and...

20060207551 - Control device for internal combustion engine: An in-cylinder injector injects fuel to be sprayed in the form of an inverted letter V sandwiching a spark plug, as seen in a top view, and in a sector as seen in a side view. The sprayed fuel interferes with an intake valve assuming an open position. An engine...

20060207552 - Electronic throttle control apparatus for internal combustion engine: An electric throttle control apparatus for an internal combustion engine includes a throttle motor that operates the throttle valve. A throttle control unit controls driving duty for operating the throttle motor. The throttle control unit determines a tapping operation for learning a full close position of the throttle valve to...

20060207553 - Link type throttle valve control device in throttle body: To easily carry out change pulling directions of opening and closing wires in a link type throttle valve control device, a throttle valve operation dram 61 and a first link lever 62 are mounted at a throttle valve operation shaft 3, the throttle valve operation dram 61 has opening and...

20060207554 - Control apparatus for internal combustion engine: An engine ECU executes a program including the steps of: calculating a fuel injection ratio of an in-cylinder injector; calculating an amount of spark advance using a first map employed when the in-cylinder injector has a fuel injection ratio of one, said first map providing a timing of ignition with...

20060207555 - Internal combustion engine provided with double system of fuel injection: An internal combustion engine includes an engine control unit for setting a ratio of fuel injection quantity of both the injectors. The engine control unit includes a memory storing four sheets of ignition timing maps, with reference to which the maximum torque generation timing and knocking limit torque generation timing,...

20060207556 - Control apparatus for internal combustion engine: An engine ECU executes a program including a step of sensing a coolant temperature TW of an engine, if a start request of the engine is sensed, a step of causing only an intake manifold injector to inject fuel to start engine 10, if coolant temperature TW is lower than...

20060207560 - Control apparatus for internal combustion engine: An Engine ECU executes a program including the steps of: calculating (S100) a wall deposit correction quantity fmw, a DI reference injection quantity taudb of an in-cylinder injector, and a PFI reference injection quantity taupb of an intake manifold injector; sensing (S200) an engine coolant temperature THW; if THW is...

20060207561 - Control apparatus for internal combustion engine: In an internal combustion engine where an in-cylinder injector and an intake manifold injector can both be used, initial setting of a fuel injection ratio (DI ratio) in accordance with a condition of the engine is basically carried out in response to power-up of an engine ECU. Further, it is...

20060207562 - Control apparatus for internal combustion engine: At the time of startup of an engine having an in-cylinder injector and an intake manifold injector, a risk of pre-ignition during the first-time compression stroke is determined based on a rotational angle of a crankshaft at the time of previous engine stop. When there is a high risk of...

20060207564 - Control apparatus for internal combustion engine: A drive control circuit supplies power to a solenoid coil in an in-cylinder injector of a cylinder in response to a fuel injection signal. A failure detection circuit to detect disconnection failure at an in-cylinder injector is arranged to be shared among cylinders whose phase of each stroke differs 360...

20060207566 - Control apparatus for internal combustion engine: An air-fuel ratio feedback system is configured to calculate the deviation between a target air-fuel ratio and an air-fuel ratio sensor value, multiplying a proportional gain by the calculated deviation to obtain a feedback correction value, and add the calculated feedback correction value to the in-cylinder injection quantity of an...

20060207567 - Control apparatus for vehicle: In a vehicle incorporating an internal combustion engine having in-cylinder injectors and intake manifold injectors and performing engine intermittent operation control, at the end of vehicle operation, the fuel pressure is decreased in both a high-pressure delivery pipe and a low-pressure delivery pipe by actuation (opening) of an electromagnetic relief...

20060207557 - Control device for internal combustion engine: An engine ECU executes a program including the steps of: starting an engine by transiently increasing an amount of fuel injection when a start request is detected; prohibiting calculation of a learn value when a condition for stopping transient increase is not satisfied; stopping transient increase when the condition for...

20060207559 - Control device for internal combustion engine: An engine ECU executes a program including the steps of: detecting an air-fuel ratio; calculating a learn value of a feedback correction amount for total fuel injection amount calculated based on the air-fuel ratio, for a plurality of learning regions obtained as a result of division corresponding to an intake...

20060207565 - Control device for internal combustion engine: An engine ECU executes a program including the steps of: detecting a fuel pressure in a high-pressure fuel system (S130) if a lock-up clutch is not in a released state (NO at S100) and if a tip end temperature of an in-cylinder injector is equal to or lower than a...

20060207563 - Fuel supply apparatus for internal combustion engine: A high pressure fuel pump boosts the pressure of fuel to discharge a quantity according to the closing period of an electromagnetic spill valve. A fuel distributor pipe receives and delivers to an in-cylinder injector the fuel discharged from the high pressure fuel pump. A fuel pressure sensor measures a...

20060207568 - Internal combustion engine provided with double system of fuel injection: A double system of fuel injection type internal combustion engine includes: a direct injection injector and a port fuel injection injector; a control unit for changing an fuel injection distribution ratio of fuels injected from these injectors; a delivery pipe connected to the direct injection injector so as to supply...

20060207558 - State determination device for internal combustion engine: An engine ECU executes a program including the steps of: determining an airflow meter as abnormal when the number of times an injector is determined as abnormal (abnormality determination count C) is greater than a threshold value C(0) in all of a region where DI ratio r=100%, a region where...

20060207569 - Controlling spark for an engine with controllable valves: A system and method to control spark in a cylinder of a multi-cylinder engine. Spark can be controlled in a cylinder while reducing the possibility of producing a spark at a spark plug coupled to an ignition coil....

20060207570 - Air intake device for internal combustion engine: An air intake apparatus for an internal combustion engine includes an air intake manifold that has a plurality of branch pipes that are connected to an internal combustion engine and has a collecting pipe to which a throttle body is connected, in which an air intake quantity that is taken...

20060207572 - Control device of internal combustion engine: A control apparatus is for an engine of a direct cylinder fuel-injection type that directly injects a fuel in a combustion chamber of a cylinder. The control apparatus includes an air flow meter which is positioned downstream from a throttle valve located in an air intake passage of the engine...

20060207571 - Intake and control devices for an internal combustion engine: In an air intake apparatus for an internal combustion engine providing a throttle body for each of a plurality of air intake passages provided for each cylinder of the internal combustion engine, an air flow meter which measures an air volume suctioned into a cylinder corresponding to the air intake...

20060207573 - Integrated fuel delivery system: A fuel delivery system for a combustion engine has a fuel tank which defines an access hole preferably communicating through either the top wall or bottom wall of the tank. An associated top or bottom flange, both having a fuel channel for flowing fuel out of the tank, sealably covers...

20060207574 - In-line type fuel supply device in fuel injection device: In an in-line type fuel supply device suitable for a motorcycle, a fuel flow-in chamber 7 with a fuel flow-in passage 2 is formed at a bottom portion 1a of a first case body 1, and a pump intake passage 55 is opened in the fuel flow-in chamber 7, a...

20060207575 - Integral vapor storage and vent valve assembly for use with a small engine fuel tank and vapor emission system employing same: A combination vapor vent/rollover valve and surrounding storage canister are disposed in a common housing for positioning inside a small engine fuel tank. In one embodiment described, the canister surrounds the vapor vent/rollover valve which may include a gravity pressure relief valve and a vacuum relief valve. In another embodiment...

20060207576 - Vapor vent valve with pressure relief function integrated to carbon canister: A combination fuel vapor storage canister and vapor vent/tipping valve in a common housing with ports for connection to a fuel tank, a purge line and an atmospheric vent. The vapor vent/tipping valve includes a pressure relief valve which prevents vapor venting until a predetermined vapor pressure is reached; and,...

20060207577 - Evaporative emissions control device for a vehicle fuel system: The evaporative emissions control device comprises a housing having an inlet connectable to a vent port of an evaporative emissions control canister and an outlet for venting to the atmosphere, the housing containing a carbon filter, a bypass passage, and a valve for selectively closing the bypass passage and/or outlet....

20060207578 - Multifunctional module, motor vehicle comprising such a module and process for manufacturing such a module: A multifunctional module for internal combustion engine, forming a structural assembly and incorporating the functions of exhaust gas cooling and regulation, at least in part, of the circulation flows in said engine's cooling circuit, comprising a first functional unit incorporating, on the one hand, a part at least of an...

20060207579 - Control system for internal combustion engine: A control system for an internal combustion engine is disclosed. The engine has an exhaust gas recirculation device which includes an exhaust gas recirculation passage for recirculating exhaust gases from the engine to an intake system of the engine, and an exhaust gas recirculation control valve provided in the exhaust...

20060207580 - Electronic exhaust gas recirculation valve control: An EGR valve position control method controls a position of an EGR valve according to a pressure change across the valve and a desired EGR valve position. The method calculates a desired EGR valve position and generates one or more duty cycle control terms based on a difference between the...

20060207581 - internal combustion engine and an engine head: The present invention relates to an in-ternal combustion engine comprising at least one engine block (2) and at least one engine head (3) associated to the block. The flock (2) comprises at least one first end (4) provided with a first cavity (5) for receiving a crank-shaft, at least one...

20060207582 - Control apparatus for multi-cylinder internal combustion engine and control method: A control apparatus calculates a exhaust gas air-fuel ratio of a plurality of cylinders, in which the operation angle of an intake valve is set to a predetermined operation angle, e.g., a maximum operation angle, based on a value output from an air-fuel ratio sensor so as to minimize a...

20060207583 - Method and device for controlling an internal combustion engine: A method and device for controlling an internal combustion engine, in which the fuel quantity to be injected into the engine is limited to a limiting value. The limiting value is predefined on the basis of the output signal of a closed-loop controller or an open-loop controller and a precontrol...

20060201452 - Piston for an internal combustion engine: A pivoted piston for an internal combustion engine. The piston has a pivot pin and an arcuate first sealing surface (12) which describes a circumferential path about the pivot pin which forms a removable and replaceable skirt to the piston. The piston also includes a second arcuate sealing surface which...

20060201453 - Piston for an internal combustion engine: A pivoted piston for an internal combustion engine. The piston has a pivot pin and an arcuate first sealing surface (12) which describes a circumferential path about the pivot pin which forms a removable and replaceable skirt to the piston. The piston also includes a second arcuate sealing surface which...

20060201454 - Heat storage tank: A heat storage tank 10 includes a heat a body valve 4 having an inflow side passage 41 and an outflow side passage 42 and fitted into an open portion 11 of the heat storage tank, a center pipe 5 communicating with the outflow side passage and extending substantially vertically...

20060201455 - Control valve for cooling circuit: A control valve that forms part of a cooling circuit comprising a first branch which contains a radiator and a second branch that constitutes a bypass of a radiator, and its method of use, are described. When used in a motor vehicle combustion engine cooling circuit, the control valve has...

20060201456 - Internal combustion engine: Embodiments in accordance with the present invention provide an opposed piston, opposed cylinder (OPOC) internal combustion engine. The OPOC engine comprises two cylinders opposed at 180 degrees. A linking element connects two outer pistons so that they move in tandem. A central piston is disposed between and moves in opposition...

20060201457 - Internal combustion engine having at least two cylinder banks: The invention relates to an internal-combustion engine having at least two cylinder bank rows, which are preferably oriented in a V-shape. An air intake system is arranged between two cylinder bank rows, and a fuel supply system is at least partially arranged below the air intake system. A central supply...

20060201458 - Engine shut-down for engine having adjustable valve timing: A method for operating at least an intake and exhaust valve in a cylinder with a piston of an engine in a vehicle, comprising during conditions of an engine shut-down, maintaining at least one of the intake and exhaust valves in a closed position, and during conditions where said at...

20060201459 - Stroke adjusting device for valves of a combustion engine: A device for adjusting the valve lift (1) of the valves of a combustion engine comprising a lever (3) being driven by a camshaft (4), pushed against the camshaft (4) by a spring, which cooperates with at least one valve engagement means and is positioned by a positioning means (6)....

20060201460 - Variable valve apparatus for internal combustion engine: A variable valve apparatus for an internal combustion engine including a cylinder set comprising a plurality of cylinders. The variable valve apparatus includes: a control shaft adapted for rotation; a valve actuating mechanism provided for each cylinder of the cylinder set and adapted to vary a valve lift characteristic of...

20060201461 - Variable-valve-actuation apparatus for internal combustion engine: A WA apparatus includes a control shaft arranged rotatable in accordance with the engine operating conditions, an alteration mechanism for changing a lift amount and an operating angle of an engine valve in accordance with rotation of the control shaft, and a drive mechanism for rotating the control shaft and...

20060201463 - Camshaft adjuster with play-free locking: Camshaft adjusters according to the swivel motor principle may be provided with a bar which arrests the rotor in a position relative to the stator. A bar according to the invention is provided with two portions, between which a change of power transmission takes place during the arresting process....

20060201462 - Electrically driven camshaft adjuster: The invention relates to a camshaft adjuster (1) for adjusting and fixing the relative position of the angle of rotation of a camshaft (8) in relation to a crankshaft of a reciprocating piston internal combustion engine. The adjusting device comprises a high transmission and friction-reduced adjusting gear mechanism (2), comprising...

20060201464 - Valve timing control apparatus: A valve timing control apparatus includes a driving side rotational member, a driven side rotational member formed with a plurality of recessed portions into which a supporting jig is insertable at a second side thereof in the axial direction, a fluid pressure chamber, a vane, a lock member, and a...

20060201465 - Integrated power transmission drive and method: The invention is an improved power transmission drive, for an internal combustion engine. The drive is of the type having a flexible link medium for transmitting power between a crankshaft of said internal combustion engine and drive components not associated with a primary purpose of the internal combustion engine. The...

20060201466 - Hydraulic valve play compensation element: A hydraulic valve play compensation element for an internal combustion engine is provided as a reverse-spring/free-ball element, with a cylindrical housing, a cylindrical piston (21) guided therein with sealing play and a control valve (20), which is arranged between a low-pressure chamber (22) of the piston (21) and a high-pressure...

20060201469 - Method for operating an internal combustion engine: A method for operating an internal combustion engine having at least one triggerable intake valve and at least one triggerable discharge valve, in which the internal combustion engine is directly started in a start-up operating mode and, following the start, is operated in at least one other operating mode. A...

20060201467 - Vehicle with switched supplemental energy storage system for engine cranking: An engine cranking system includes an engine, a cranking motor coupled to the engine, a battery, a capacitor and an ignition switch. A first relay is connected between the cranking motor and system ground. A second relay is moveable between at least an open-circuit condition and a closed-circuit position to...

20060201468 - Method and apparatus for engine torque disturbance reduction during cranking: An internal combustion engine's start-up torsional disturbances are reduced by drawing down intake manifold pressure prior to engine cranking. In a preferred arrangement, a secondary air injection reaction pump is adapted for evacuating the intake manifold to effect the desired draw down of the intake manifold pressure....

20060201470 - Engine component having a honeycomb structure: A component of a reciprocating internal combustion engine system includes first, second, and third layers. The third layer has a honeycomb structure and is disposed between the first and second layers....

20060201471 - Intake manifold: In an intake manifold in which air introduced from an introduction port is fed to each cylinder of an engine by use of multiple ducts which are disposed parallel, a communication space section which provides communication between the introduction port which introduces air and inlets of the ducts is provided,...

20060201472 - Intake valve cleaning method for a direct injection engine with computer controlled intake valves: A method for a vehicle traveling on the road having an engine with adjustable valve operation is described. The method includes performing a valve cleaning operation for reducing deposits on a valve of the engine; and at least during said operation, adjusting valve timing of at least a valve of...

20060201473 - Parallel rotary engine: This rotary engine is made up of three parallel encased rotors: a central male rotor, flanked by a female compression/combustion rotor and a female separation rotor, all three coupled for synchronous rotation. The male rotor has lobes projecting from it, which mesh with complementary cavities in the female rotors during...

20060201474 - Dual piston rotary engine: A rotary engine includes a cylinder within a housing accommodating a pair of reciprocating pistons. A drive shaft extends from the cylinder to provide output power when rotated with the cylinder. A linkage attached to the top of each piston is connected to the driveshaft to translate the reciprocal motion...

20060201476 - Method for operating an internal combustion engine: In a method for operating an internal combustion engine in which the fuel is injected into a combustion chamber of a pre-injection and a main injection quantity, the quantity of fuel for the pre-injection, which is selected depending on the combustion location, is injected before the top dead center of...

20060201477 - Method for operating an internal combustion engine: In a method for operating a self ignition internal combustion engine in which fuel is injected directly into a combustion chamber by means of an injection nozzle, such that a portion of the fuel is injected into the combustion chamber as a pre-injection amount forming a homogenous pre-mixture providing for...

20060201475 - Spark ignition engine, controller for use in the engine, ignition coil for use in the engine: An engine generating two or more ignition sparks by the same spark plug, which can avoid a torque reduction caused by misfire of main ignition, can start firing and burning at proper timing depending on operating conditions, and can reduce misfires. A novel controller and a novel ignition coil adapted...

20060201478 - Internal combustion engine: The present disclosure provides an internal combustion engine having an engine housing with at least one cylinder that has diameter less than about 3 inches. A fuel injector is provided and disposed at least partially within the at least one cylinder, and includes a plurality of outlet orifices having a...

20060201479 - Method for operating an internal combustion engine: In a method for operating an internal combustion engine in which the angular locations where the fuel/air mix combustions takes place can be controlled by an adjustment of the inlet and outlet valve timing, the timing of at least one of the intake and exhaust valve opening phases is shifted...

20060201480 - Spark plug system in an internal combustion engine: A spark plug system includes a center spark plug and a plurality of peripheral spark plugs, the spark plugs extending into a ridge-roof type combustion chamber of an internal combustion engine from the inner surface of a cylinder head and being disposed approximately on the ridgeline of the ridge-roof. The...

20060201481 - Engine valve actuation for combustion enhancement: A combustion chamber valve, such as an intake valve or an exhaust valve, is briefly opened during the compression and/or power strokes of a 4-strokes combustion cycle in an internal combustion engine (in particular, a diesel or CI engine). The brief opening may (1) enhance mixing withing the combustion chamber,...

20060201482 - Switchable air intake system for multi-cylinder internal combustion engine: A switchable air intake system for a multicylinder internal combustion engine has at least one short and one long intake manifold whose cross sections are controllable by at least one regulating unit as a function of operating parameters (in particular the rotational speed of the internal combustion engine). The short...

20060201483 - Throttle control method and apparatus: A throttle control device for transmitting signals to an electronic fuel control system for a vehicle engine is provided that includes an electromagnetic field generator and first and second electromagnetic field sensors positioned proximal to electromagnetic field. The electromagnetic field and the first and second sensors being manipulatable relative to...

20060201484 - High pressure pump and method of reducing fluid mixing within same: Mixing of lubrication fluid and pumped fluid within a pump can undermine lubricity of the lubrication fluid and/or contaminate the pumped fluid (e.g. fuel) with lubrication fluid. In order to reduce mixing of fluids within a high pressure pump of the present disclosure, a lubrication fluid is supplied to the...

20060201485 - Electromagnetic drive mechanism and a high-pressure fuel supply pump: The objective of the present invention is to dampen operating sounds of an electromagnetic drive mechanism used for a variable displacement control mechanism in a high-pressure fuel supply pump to reduce an individual difference depending on apparatus due to the change over time or installation tolerance. To achieve the above...

20060201486 - Structure of fuel supply pipe in throttle body comprising two fuel injection valves: To simplify fuel piping for connecting a fuel distribution pipe and a fuel pump in a throttle body comprising two fuel injection valves, a fuel supply pipe F comprises a first fuel supply pipe 1 having a fuel flow-in passage 1b projected from a first cylindrical portion 1a, a first...

20060201487 - Method for operating an internal combustion engine: The present invention relates to a method for operating an internal combustion engine with oil lubrication and electronic fuel injection, characterized by the fact that a flow of fuel mass (mkp_ausg) evaporating out of the oil is determined and taken into account in the calculation of the injected-fuel quantity (rk_ev)....

20060201488 - Method for controlling a solenoid valve: In a method for controlling the opening and/or closing of a solenoid valve, wherein a profile of a current and/or a voltage applied to a coil of the solenoid valve is controlled in order to move a valve control element, a plurality of points in time of the opening and...

20060201489 - Method for operating an internal combustion engine: In a method of operating a reciprocating-piston internal combustion engine with a combustion chamber in which a fuel mix with fresh gas is provided via intake ports and combustion exhaust gases are discharged through exhaust ports which can be opened by intake valves and, respectively, exhaust valves which are actuated...

20060196451 - Heat management for an internal combustion engine: The invention mainly relates to a control algorithm which makes it possible to take into account the ambient temperature in the closed-loop control of the coolant temperature to three different temperature levels. The control algorithm is embodied here as a software program and is implemented in a logic element of...

20060196452 - Apparatus and method for cooling engine coolant flowing through a radiator: An apparatus and method are provided for facilitating the cooling of engine coolant flowing through a radiator operatively connected to the engine of an engine-driven, electrical generator set. The engine has a crankshaft rotatable about a first axis and a radiator having a first side directed towards the engine and...

20060196453 - Cylinder head structure of engine: The first flow-restriction vertical bead narrowing the coolant flow is provided to increase the flow speed at this portion. The coolant passage opens at the flow-in area between the exhaust ports. Thereby, the flow speed of the coolant at this area is increased, so the coolant in the coolant passage...

20060196454 - Linear fluid engine: A linear fluid engine includes a power transfer cylinder that is driven by combustion of fuel in a combustion cylinder to pressurize a power transferring fluid. Some of the power transferring fluid is used to power a subsequent compression stroke in the combustion cylinder and, optionally, the intake/exhaust valves on...

20060196455 - Linear fluid engine: A linear fluid engine includes a power transfer cylinder that is driven by combustion of fuel in a combustion cylinder to pressurize a power transferring fluid. Some of the power transferring fluid is used to power a subsequent compression stroke in the combustion cylinder and, optionally, the intake/exhaust valves on...

20060196456 - Energy efficient clean burning two-stroke internal combustion engine: A precision cast engine has a piston unit and a rotor unit to translate linear thrust from the piston unit into rotary power. Each piston rod is attached to a thrust absorber carriage running on precision bearings to eliminate piston drag on the cylinder walls. One or more drive rods...

20060196458 - Electromechanically actuated valve control for an internal combustion engine: A method is presented to control engine valve selection of an internal combustion engine. Electromechanical valves are selected in a manner to reduce fuel consumption and improve engine drivability....

20060196459 - Discrete mode variable valve gear: A valve lifter is activated selectively by one of a plurality of cams, either via displaceable rollers or via tappets having rotatable grooves on top, to provide discrete or stepwise multimode operation and deactivation. The hydraulic control is only an option since the pure mechanical control is adequate. Easy to...

20060196457 - Valve actuator assembly: A valve actuator assembly includes an axially moveable valve and a ramp roller thrust drive. The ramp roller thrust drive includes at least first and second opposed thrust plates, each plate including one or more ramps. A roller is positioned between corresponding opposed plate ramps and a rotation of one...

20060196461 - Starter motor for motor vehicle engine: A starter motor for a motor vehicle engine includes, in combination, a first electric motor adapted to operate on direct current power supplied from a battery and a second electric motor adapted to operate on alternating current power supplied from an electrical outlet. The first electric motor and the second...

20060196460 - Starting method and system for internal combustion engine: A method and system for starting an internal combustion engine by utilizing combustion energy produced by injecting and igniting fuel in an engine cylinder under the expansion stroke, which can eliminate the necessity of precisely computing the combustion energy, can minimize an amount of energy, other than the combustion energy,...

20060196462 - Air intake for motor vehicles: This invention describes an improved intake tube for internal combustion vehicles by locally increasing and then decreasing the airflow over the Mass Airflow Sensor (MAS) preventing a lean condition, which over time is catastrophic to the life of the engine. The intake tube has a cross sectional area that decreases...

20060196463 - System and method to control transitions in the number of cylinders in a hybrid vehicle: A vehicle system is disclosed. The system include a engine capable of disabling and enabling at least one cylinder; a motor coupled to said engine capable of absorbing torque and providing torque; and a controller for disabling and enabling said at least one cylinder, and during at least one of...

20060196464 - External combustion rotary piston engine: An engine (400) is disclosed and comprises: a compressor (428) which periodically defines a chamber and carries out a pressurization process wherein the chamber volume is decreased to produce pressurized air; a combuster (426) which combusts fuel with the pressurized air to produce primary exhaust; an air motor (408) which...

20060196465 - Rotary engine for motor vehicles with very low consumption and pollution rate: An internal combustion rotary engine is described, adapted to be used both for motor vehicles and ground machines (alternators, compressors, pumps and the like) or water craft or any type. The used fuels are the same of the presently used reciprocating engines. This engine comprises two rotors one inside the...

20060196466 - Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines: A method is provided for control of transition between combustion modes of a direct-injection engine operable in a homogeneous charge compression ignition (HCCI) mode at lower loads and a spark ignition flame propagation (SI) mode at higher loads. The engine includes a variable valve actuation system including two-step high and...

20060196467 - Load transient control methods for direct-injection engines with controlled auto-ignition combustion: A direct injection controlled auto-ignition engine is operated at steady state, within a homogeneous charge compression-ignition (HCCI) load range and with fuel-air-diluent mixtures at predetermined conditions, for each speed and load, of engine control inputs, including at least fueling mass flow rate, injection timing (FI), spark timing (SI) and exhaust...

20060196469 - Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustion: A method is provided for control of a direct-injection engine operated with controlled auto-ignition (HCCI) during load transient operations between modes of lean combustion low load (HCCI/Lean) and stiochiometric combustion medium load (HCCI/Stoich.). The method includes 1) operating the engine at steady state, within a homogeneous charge compression-ignition (HCCI) load...

20060196468 - Speed transient control methods for direct-injection engines with controlled auto-ignition combustion: A direct injection controlled auto-ignition engine is operated at steady state, within a homogeneous charge compression-ignition (HCCI) load range and with fuel-air-diluent mixtures at predetermined conditions, for each speed and load, of engine control inputs, including at least injection timing (FI), spark timing (SI), throttle position, exhaust gas recirculation (EGR)...

20060196470 - Anti-back-streaming carburetor valve: A valve for sealing a carburetor inlet of a first diameter, includes a valve element having a curved surface for sealing the inlet opening, and a through hole of substantially the first diameter extending through the valve element, and a translation mechanism for rotating the valve element between a first...

20060196471 - Unit and method for controlling internal combustion engines: An internal combustion engine (1) generates power by burning a mixture of fuel and air in a combustion chamber (3). The internal combustion engine (1) is provided with a crank angle sensor (14), an in-cylinder pressure sensor (15) detecting an in-cylinder pressure at the time when a crank angle detected...

20060196472 - Control apparatus and control method for internal combustion engine: A control apparatus retards ignition timing of the engine, and increases an amount of a fuel supplied to the engine based on a retard amount of the ignition timing, by calculating a maximum engine intake air amount at which an exhaust system temperature can be maintained at or below a...

20060196473 - Fuel injection control system for engine: A fuel injection control system makes it possible to obtain an output of a lean combustion type engine through an easy operation, even in a throttle opening region of greater than a lean limit. A throttle valve is configured to be turnable up to an over-fully opened position, which is...

20060196474 - Control valve for a fuel injector that contains a pressure intensifier: A servo valve for actuating a pressure booster of a fuel injector, the pressure booster having a work chamber separated by a booster piston from a differential pressure chamber and the pressure change in the differential pressure chamber of the pressure booster is effected via the servo valve, via switching...

20060196475 - Fuel supply apparatus for vehicle: Fuel pipes guide fuel from a fuel tank provided in a rear area of the vehicle to a low-pressure fuel supply system and a high-pressure fuel supply system, respectively, for injecting the fuel to an engine provided in a front area of the vehicle. A branch point between the fuel...

20060196476 - Pressure relief valve: A pressure relief valve includes a valve body defining an inlet configured to receive fluid from a fluid system, a pressure control orifice ending in a valve seat, and a guideway extending from the valve seat. The pressure relief valve further includes a valve closing member configured to abut the...

20060196477 - Delivery pipe for fuel injection device: An object of the invention is to provide a fuel injector delivery pipe which does not require a tool for holding an upper part and lower part together, and thereby eliminate the process of attaching and removing the tool, and increases the efficiency of the operation. Furthermore, in order to...

20060196478 - Cylinder head for a direct injection internal combustion engine: A cylinder head for a direct-injection internal-combustion engine, has injection valves accommodated in openings in the cylinder head and secured in pairs by a respective fastening element formed as a hold-down device on the cylinder head. The hold-down device has two holding or fastening arms for the injection valves and...

20060196479 - Method and device for controlling an internal combustion engine: The invention relates to a method and device for controlling an internal combustion engine comprising an inlet pipe leading to a cylinder input where a gas input valve is placed. Said engine also comprises a drive for the gas input valve which makes it possible to adjust a gas input...

20060196480 - Canister and method of manufacturing the same: In a canister and a method of manufacturing a canister, in order to restrain a temperature rise of an adsorptive material owing to adsorption of an evaporated fuel (gasoline vapor) or to restrain a temperature drop of the adsorptive material during purging of the adsorbed gasoline vapor and to increase...

20060196482 - Blow-by gas and purge gas treating device in intake valve lift variable engine: In an intake valve lift variable engine including: an engine body; a cylinder head; an intake valve which is disposed in the cylinder head and which is controlled to be open and close so as to regulate the amount of intake air; and an intake system having no throttle valve...

20060196481 - Evaporative emission control system and method for small engines: A small engine fuel tank vapor emission system is described with a separate surge tank having a vapor vent/rollover valve and separate a vapor storage space which may be found in a common housing or remote from the surge tank. The surge tank is located at a level above the...

20060196483 - Fuel vaporization systems for vaporizing liquid fuel: One aspect of the present invention is a system for vaporizing liquid fuel. The system includes a misting nozzle for generating liquid fuel droplets having an inlet for receiving liquid fuel and an outlet for exiting liquid fuel droplets and a vacuum pump having an inlet for receiving liquid fuel...

20060196484 - Capture and burn air heater: An air intake heater having a heating element in a heat transfer relationship with the passageway is positioned between the intake port and a mixing zone of the fresh air and the recirculated exhaust gas. The air intake heater is operable in a cold-start mode to heat fresh air as...

20060196485 - Exhaust gas recirculation system abnormaility diagnosis device: An exhaust gas recirculation passage connects an exhaust passage with an intake passage. A cooling device is mounted to the exhaust gas recirculation passage for cooling exhaust gas in the exhaust gas recirculation passage. An EGR valve adjusts a flow passage area of the exhaust gas recirculation passage. An exhaust...

20060196486 - System for controlling exhaust emissions produced by an internal combustion engine: A system for controlling the air-to-fuel ratio in an internal combustion engine includes an air intake conduit coupled to an intake manifold, an EGR valve disposed in-line with an EGR conduit responsive to a valve control signal, a lambda sensor producing a lambda signal indicative of the air-to-fuel ratio of...

20060196487 - Fuel control compensation for exhaust sensor response time degradation: A fuel control compensation system for sensor degradation in an exhaust system of a vehicle includes a first module that determines a response time of a signal generated by a sensor of the exhaust system. A second module determines an offset gain based on the response time and a nominal...

20060196451 - Heat management for an internal combustion engine: The invention mainly relates to a control algorithm which makes it possible to take into account the ambient temperature in the closed-loop control of the coolant temperature to three different temperature levels. The control algorithm is embodied here as a software program and is implemented in a logic element of...

20060196452 - Apparatus and method for cooling engine coolant flowing through a radiator: An apparatus and method are provided for facilitating the cooling of engine coolant flowing through a radiator operatively connected to the engine of an engine-driven, electrical generator set. The engine has a crankshaft rotatable about a first axis and a radiator having a first side directed towards the engine and...

20060196453 - Cylinder head structure of engine: The first flow-restriction vertical bead narrowing the coolant flow is provided to increase the flow speed at this portion. The coolant passage opens at the flow-in area between the exhaust ports. Thereby, the flow speed of the coolant at this area is increased, so the coolant in the coolant passage...

20060196454 - Linear fluid engine: A linear fluid engine includes a power transfer cylinder that is driven by combustion of fuel in a combustion cylinder to pressurize a power transferring fluid. Some of the power transferring fluid is used to power a subsequent compression stroke in the combustion cylinder and, optionally, the intake/exhaust valves on...

20060196455 - Linear fluid engine: A linear fluid engine includes a power transfer cylinder that is driven by combustion of fuel in a combustion cylinder to pressurize a power transferring fluid. Some of the power transferring fluid is used to power a subsequent compression stroke in the combustion cylinder and, optionally, the intake/exhaust valves on...

20060196456 - Energy efficient clean burning two-stroke internal combustion engine: A precision cast engine has a piston unit and a rotor unit to translate linear thrust from the piston unit into rotary power. Each piston rod is attached to a thrust absorber carriage running on precision bearings to eliminate piston drag on the cylinder walls. One or more drive rods...

20060196458 - Electromechanically actuated valve control for an internal combustion engine: A method is presented to control engine valve selection of an internal combustion engine. Electromechanical valves are selected in a manner to reduce fuel consumption and improve engine drivability....

20060196459 - Discrete mode variable valve gear: A valve lifter is activated selectively by one of a plurality of cams, either via displaceable rollers or via tappets having rotatable grooves on top, to provide discrete or stepwise multimode operation and deactivation. The hydraulic control is only an option since the pure mechanical control is adequate. Easy to...

20060196457 - Valve actuator assembly: A valve actuator assembly includes an axially moveable valve and a ramp roller thrust drive. The ramp roller thrust drive includes at least first and second opposed thrust plates, each plate including one or more ramps. A roller is positioned between corresponding opposed plate ramps and a rotation of one...

20060196461 - Starter motor for motor vehicle engine: A starter motor for a motor vehicle engine includes, in combination, a first electric motor adapted to operate on direct current power supplied from a battery and a second electric motor adapted to operate on alternating current power supplied from an electrical outlet. The first electric motor and the second...

20060196460 - Starting method and system for internal combustion engine: A method and system for starting an internal combustion engine by utilizing combustion energy produced by injecting and igniting fuel in an engine cylinder under the expansion stroke, which can eliminate the necessity of precisely computing the combustion energy, can minimize an amount of energy, other than the combustion energy,...

20060196462 - Air intake for motor vehicles: This invention describes an improved intake tube for internal combustion vehicles by locally increasing and then decreasing the airflow over the Mass Airflow Sensor (MAS) preventing a lean condition, which over time is catastrophic to the life of the engine. The intake tube has a cross sectional area that decreases...

20060196463 - System and method to control transitions in the number of cylinders in a hybrid vehicle: A vehicle system is disclosed. The system include a engine capable of disabling and enabling at least one cylinder; a motor coupled to said engine capable of absorbing torque and providing torque; and a controller for disabling and enabling said at least one cylinder, and during at least one of...

20060196464 - External combustion rotary piston engine: An engine (400) is disclosed and comprises: a compressor (428) which periodically defines a chamber and carries out a pressurization process wherein the chamber volume is decreased to produce pressurized air; a combuster (426) which combusts fuel with the pressurized air to produce primary exhaust; an air motor (408) which...

20060196465 - Rotary engine for motor vehicles with very low consumption and pollution rate: An internal combustion rotary engine is described, adapted to be used both for motor vehicles and ground machines (alternators, compressors, pumps and the like) or water craft or any type. The used fuels are the same of the presently used reciprocating engines. This engine comprises two rotors one inside the...

20060196466 - Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines: A method is provided for control of transition between combustion modes of a direct-injection engine operable in a homogeneous charge compression ignition (HCCI) mode at lower loads and a spark ignition flame propagation (SI) mode at higher loads. The engine includes a variable valve actuation system including two-step high and...

20060196467 - Load transient control methods for direct-injection engines with controlled auto-ignition combustion: A direct injection controlled auto-ignition engine is operated at steady state, within a homogeneous charge compression-ignition (HCCI) load range and with fuel-air-diluent mixtures at predetermined conditions, for each speed and load, of engine control inputs, including at least fueling mass flow rate, injection timing (FI), spark timing (SI) and exhaust...

20060196469 - Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustion: A method is provided for control of a direct-injection engine operated with controlled auto-ignition (HCCI) during load transient operations between modes of lean combustion low load (HCCI/Lean) and stiochiometric combustion medium load (HCCI/Stoich.). The method includes 1) operating the engine at steady state, within a homogeneous charge compression-ignition (HCCI) load...

20060196468 - Speed transient control methods for direct-injection engines with controlled auto-ignition combustion: A direct injection controlled auto-ignition engine is operated at steady state, within a homogeneous charge compression-ignition (HCCI) load range and with fuel-air-diluent mixtures at predetermined conditions, for each speed and load, of engine control inputs, including at least injection timing (FI), spark timing (SI), throttle position, exhaust gas recirculation (EGR)...

20060196470 - Anti-back-streaming carburetor valve: A valve for sealing a carburetor inlet of a first diameter, includes a valve element having a curved surface for sealing the inlet opening, and a through hole of substantially the first diameter extending through the valve element, and a translation mechanism for rotating the valve element between a first...

20060196471 - Unit and method for controlling internal combustion engines: An internal combustion engine (1) generates power by burning a mixture of fuel and air in a combustion chamber (3). The internal combustion engine (1) is provided with a crank angle sensor (14), an in-cylinder pressure sensor (15) detecting an in-cylinder pressure at the time when a crank angle detected...

20060196472 - Control apparatus and control method for internal combustion engine: A control apparatus retards ignition timing of the engine, and increases an amount of a fuel supplied to the engine based on a retard amount of the ignition timing, by calculating a maximum engine intake air amount at which an exhaust system temperature can be maintained at or below a...

20060196473 - Fuel injection control system for engine: A fuel injection control system makes it possible to obtain an output of a lean combustion type engine through an easy operation, even in a throttle opening region of greater than a lean limit. A throttle valve is configured to be turnable up to an over-fully opened position, which is...

20060196474 - Control valve for a fuel injector that contains a pressure intensifier: A servo valve for actuating a pressure booster of a fuel injector, the pressure booster having a work chamber separated by a booster piston from a differential pressure chamber and the pressure change in the differential pressure chamber of the pressure booster is effected via the servo valve, via switching...

20060196475 - Fuel supply apparatus for vehicle: Fuel pipes guide fuel from a fuel tank provided in a rear area of the vehicle to a low-pressure fuel supply system and a high-pressure fuel supply system, respectively, for injecting the fuel to an engine provided in a front area of the vehicle. A branch point between the fuel...

20060196476 - Pressure relief valve: A pressure relief valve includes a valve body defining an inlet configured to receive fluid from a fluid system, a pressure control orifice ending in a valve seat, and a guideway extending from the valve seat. The pressure relief valve further includes a valve closing member configured to abut the...

20060196477 - Delivery pipe for fuel injection device: An object of the invention is to provide a fuel injector delivery pipe which does not require a tool for holding an upper part and lower part together, and thereby eliminate the process of attaching and removing the tool, and increases the efficiency of the operation. Furthermore, in order to...

20060196478 - Cylinder head for a direct injection internal combustion engine: A cylinder head for a direct-injection internal-combustion engine, has injection valves accommodated in openings in the cylinder head and secured in pairs by a respective fastening element formed as a hold-down device on the cylinder head. The hold-down device has two holding or fastening arms for the injection valves and...

20060196479 - Method and device for controlling an internal combustion engine: The invention relates to a method and device for controlling an internal combustion engine comprising an inlet pipe leading to a cylinder input where a gas input valve is placed. Said engine also comprises a drive for the gas input valve which makes it possible to adjust a gas input...

20060196480 - Canister and method of manufacturing the same: In a canister and a method of manufacturing a canister, in order to restrain a temperature rise of an adsorptive material owing to adsorption of an evaporated fuel (gasoline vapor) or to restrain a temperature drop of the adsorptive material during purging of the adsorbed gasoline vapor and to increase...

20060196482 - Blow-by gas and purge gas treating device in intake valve lift variable engine: In an intake valve lift variable engine including: an engine body; a cylinder head; an intake valve which is disposed in the cylinder head and which is controlled to be open and close so as to regulate the amount of intake air; and an intake system having no throttle valve...

20060196481 - Evaporative emission control system and method for small engines: A small engine fuel tank vapor emission system is described with a separate surge tank having a vapor vent/rollover valve and separate a vapor storage space which may be found in a common housing or remote from the surge tank. The surge tank is located at a level above the...

20060196483 - Fuel vaporization systems for vaporizing liquid fuel: One aspect of the present invention is a system for vaporizing liquid fuel. The system includes a misting nozzle for generating liquid fuel droplets having an inlet for receiving liquid fuel and an outlet for exiting liquid fuel droplets and a vacuum pump having an inlet for receiving liquid fuel...

20060196484 - Capture and burn air heater: An air intake heater having a heating element in a heat transfer relationship with the passageway is positioned between the intake port and a mixing zone of the fresh air and the recirculated exhaust gas. The air intake heater is operable in a cold-start mode to heat fresh air as...

20060196485 - Exhaust gas recirculation system abnormaility diagnosis device: An exhaust gas recirculation passage connects an exhaust passage with an intake passage. A cooling device is mounted to the exhaust gas recirculation passage for cooling exhaust gas in the exhaust gas recirculation passage. An EGR valve adjusts a flow passage area of the exhaust gas recirculation passage. An exhaust...

20060196486 - System for controlling exhaust emissions produced by an internal combustion engine: A system for controlling the air-to-fuel ratio in an internal combustion engine includes an air intake conduit coupled to an intake manifold, an EGR valve disposed in-line with an EGR conduit responsive to a valve control signal, a lambda sensor producing a lambda signal indicative of the air-to-fuel ratio of...

20060196487 - Fuel control compensation for exhaust sensor response time degradation: A fuel control compensation system for sensor degradation in an exhaust system of a vehicle includes a first module that determines a response time of a signal generated by a sensor of the exhaust system. A second module determines an offset gain based on the response time and a nominal...