Internal-combustion engines inventions 10/09

20090241882 - Method for increasing the viscosity of automotive fuel compositions: A certain viscosity index (VI) improving additive may be used to increase the viscosity of an autoamotive fuel composition, by an amount greater than that which theory would have predicted to occur to improve the acceleration performance of an internal combustion engine into which the fuel composition is introduced. The... Agent: Shell Oil Company

20090241861 - Engine system: It is an object of the invention to provide an engine system using a small-sized heat exchanger having a high efficiency and a stable performance for heating and vaporizing a hydrogen medium supplied to a reactor vessel. The engine system includes an engine having an intake pipe for taking in... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090241895 - Two stroke combustion engine with liquid injection: A combustion engine operating in accordance with the two-stroke principle, which comprises alternating power strokes and the compression strokes, wherein the combustion engine comprises at least one cylinder (1) and a piston (2) that performs a reciprocating motion in said cylinder (1), and a combustion chamber (3) delimited by said... Agent: Kevin Farrell Pierce Atwood

20090241863 - Control method of engine rapid warm-up system: An engine rapid warm-up system includes cooling water circulating through an engine 1, a radiator 2 introducing the cooling water to be cooled, a heat accumulator 3 storing the cooling water heated by the engine 1, and a pipe 6 and a water pump 7 that circulate the cooling water... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090241864 - Cooling system of internal combustion engine: A cooling system includes: an oil pump for supplying oil under pressure; a cylinder head forming part of a combustion chamber; a cooling portion formed in the cylinder head and adapted to allow circulating oil to cool heat transmitted from the combustion chamber; an oil cooler for cooling oil; and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241862 - Snowmobile cooling system: A snowmobile is disclosed having a frame. A tunnel is formed in a rearward portion of the frame. An engine disposed on the frame. A drive track is disposed at least in part in the tunnel and is operatively connected to the engine for propulsion of the snowmobile. At least... Agent: Osler, Hoskin & Harcourt LLP (brp)

20090241865 - Electric cooling fan control based on known vehicle load conditions: A method of controlling a cooling fan for an engine of a vehicle may entail determining an engine coolant temperature, providing a normal load operation mode for the cooling fan and a high load operation mode for the cooling fan, determining whether a tow-haul operation is selected within the vehicle,... Agent: Harness, Dickey & Pierce, P.L.C

20090241866 - Cooling structure of internal combustion engine: A cooling structure of an internal combustion engine includes a cylinder block having a plurality of cylinder bores; a cylinder head disposed on an upper portion of the cylinder block; two camshafts disposed on the cylinder head so as to be juxtaposed to each other in parallel to a crankshaft;... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241867 - Cooling system of internal combustion engine: A cooling system of an internal combustion engine is provided that can improve flexibility of arrangement of peripheral machinery included in the engine. A cooling system of an internal combustion engine includes a crankcase; a cylinder block disposed on an upper portion of the crankcase and having a plurality of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241910 - Variable compression ratio apparatus: A variable compression ratio apparatus is disclosed. An upper connecting rod has one end rotatably connected to a piston so as to reciprocate motion of the piston. A lower connecting rod has one end rotatably connected to the other end of the upper connecting rod. A crankshaft is rotatably mounted... Agent: Morgan, Lewis & Bockius LLP (sf)

20090241868 - Air cleaner assembly for a small v-type engine, engine incorporating same,and motorcycle incorporating same: An air cleaner for a V-type internal combustion engine includes a filter housing with introduction ports formed in both left and right lateral walls communicating with respective air intake ducts and a pair of cleaner elements fixedly disposed in the filter housing to partition the inside thereof into an upper... Agent: Carrier Blackman And Associates

20090241869 - Vehicle and propulsion system including an internal combustion engine: An internal combustion engine for a vehicle, such as a motorcycle, includes a crankcase, two banks of cylinders projecting from the crankcase in a 56-57 degree V-configuration, a plurality of pushrods, and a plurality of camshafts supported by the crankcase. The two banks of cylinders include a first cylinder bank... Agent: Price Heneveld Cooper Dewitt & Litton, LLP

20090241926 - Split-cycle four-stroke engine: An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such that the expansion piston reciprocates through an expansion stroke and an exhaust stroke of a four stroke cycle during a... Agent: Fildes & Outland, P.C.

20090241927 - Split-cycle four-stroke engine: An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such that the expansion piston reciprocates through an expansion stroke and an exhaust stroke of a four stroke cycle during a... Agent: Scuderi Group LLC

20090241870 - Variable intake valve assembly for internal combustion engine: An intake valve assembly of an internal combustion engine that includes a combustion chamber and an intake passage. The intake valve assembly comprises an intake valve movable into and out of engagement with a valve seat, a reciprocating primary valve tappet, and a secondary valve tappet axially non-movably attached to... Agent: Berenato, White & Stavish, LLC

20090241872 - Temperature sensing coordination with engine valve timing using electric valve actuator: A method of operation for an engine including an electrically actuated engine valve in a cylinder head, with at least an actuator coupled to the valve, the method including applying a potential to generate a current indicative of temperature in the actuator at least partially during a substantially non-moving condition... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20090241873 - Variable valve-operating system for internal combustion engine: A variable valve-operating system for an internal combustion engine, comprising a cylinder head having an intake or exhaust valve, a camshaft rotatably supported by the cylinder head, a cam body rotatably fitted around the camshaft and including a cam lobe having an outer peripheral surface for driving the valve and... Agent: Birch Stewart Kolasch & Birch

20090241874 - Variable valve actuator: A variable valve actuator presses rocker arms using force transmitted from a drive cam to open/close valves of an engine, and includes a swing arm, which is pivotably coupled to the engine on a first side thereof, and at least two pressing means, which come into contact with the rocker... Agent: Morgan, Lewis & Bockius LLP (sf)

20090241875 - Apparatus and methods for continuous variable valve timing: Apparatus and methods for shifting the phase between a driver gear and a driven gear in communication by a timing belt are provided as well as methods for configuring the apparatus. The apparatus may continuously vary the phase relationship between the driver gear and the driven gear.... Agent: Cyr & Associates, P.A.

20090241878 - Valve timing adjusting apparatus: A valve timing adjusting apparatus includes a driving-side rotor, a driven-side rotor, and a directional control valve. The driven-side rotor is rotated in the advance direction when the advance and retard output ports communicate with the intake port and the retard drain port respectively, and the advance and retard output... Agent: Nixon & Vanderhye, PC

20090241877 - Variable valve gear for an internal combustion engine: The variable valve gear for an internal combustion engine includes a cam lobe that is rotatably supported by a cam drive shaft, and a variable valve mechanism that includes a drive arm fixed adjacent to one end of the cam lobe in the cam drive shaft, an eccentric shaft member... Agent: Birch Stewart Kolasch & Birch

20090241876 - Variable valve lift apparatus: A variable valve lift apparatus includes an input cam disposed to a input shaft, a valve opening unit, a control shaft parallel to the input shaft, an input link rotatably coupled to the control shaft and contacting the input cam, a control link connected with the input link and eccentrically... Agent: Morgan, Lewis & Bockius LLP (sf)

20090241879 - Exposed coil rocker arm cover assembly having external multi-coil mounting bracket: An improved rocker arm cover assembly having an enclosed rocker arm chamber housing and a generally L-shaped bracket for mounting multiple coils to an exterior vertical side wall of the housing, so that the coils are exposed and laterally displaced from the housing. The bottom of the housing includes special... Agent: Jacques M. Dulin, Esq. Dba Innovation Law Group, Ltd.

20090241880 - Rocker shaft support structure in four-cycle engine: In a four-cycle engine, the stiffness of a rocker shaft support portion is increased while avoiding an increase in the size of a cylinder head. The rocker shaft support portion that supports a rocker shaft is integrally formed on the cylinder head so as to be disposed between an engine... Agent: Birch Stewart Kolasch & Birch

20090241881 - Valve operating system: A pivot cam mechanism included in a valve operating system is configured such that a coupling pin is supported at a pivot member in a position closer to a camshaft than a control shaft, and the pivot member and the driven member are integrally pivotable according to the rotation of... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20090241871 - Assembled camshaft and internal combustion engine provided with assembled camshaft: The degree of freedom in a mounting position of a fuel pump driving cam (115) is improved by making valve operating cams (130R) separate members from a camshaft main body (30R) and mounting the valve operating cams (130R) from the outside in the axial direction of the camshaft main body... Agent: Oliff & Berridge, PLC

20090241883 - Control method for internal combustion engine system, and internal combustion engine system: The invention relates to a control method for an internal combustion engine system, capable of preventing an internal combustion engine in a state after being automatically stopped, from falling into an unrestartable state. Upon satisfaction of a given automatic stop condition, the engine 10 being running is automatically stopped (Step... Agent: Studebaker & Brackett PC

20090241884 - Diagnosis device for vehicle: After an engine automatic stop processing is started, a diagnosis of a starter is started at a time of t1 when an engine speed drops to a diagnosis starting speed. Before the engine speed drops to the lower limit speed at which an engine can be restarted without being cranked... Agent: Nixon & Vanderhye, PC

20090241885 - Intake device for an internal combustion engine: An intake device for an internal combustion engine includes two abutting parts 2 and 8, wherein a support pin 3 is disposed on the first plastic housing part 2, the support pin being guided through a corresponding opening 10 in the second housing part 8.... Agent: Mann+hummel Gmbh, Dept: Vr-p Plant 5.4

20090241886 - Intake manifold: An intake manifold to be mounted to a traverse engine includes pieces made of resin and welded to each other. The pieces are constructed with a first piece having a connector to be connected to the engine, and a second piece. The second piece has an upper positioning part overlapping... Agent: Nixon & Vanderhye, PC

20090241887 - Transit bus intake air management box: An intake air management apparatus attached to a vehicle frame and configured for connection to an air cleaner of a vehicle includes a box having an opening defined by a pair of opposing sidewalls, a back wall, a top surface and a bottom surface having an aperture. An air drop... Agent: International Truck Intellectual Property Company,

20090241888 - Air induction housing having a perforated wall and interfacing sound attenuation chamber: An air induction housing having a perforated wall which provides a first intake noise attenuation modality and further having a sound attenuation chamber interfaced with the perforated wall which provides a second intake noise attenuation modality. Multiply apertured tubes of the sound attenuation chamber provide a Helmholtz resonator, wherein the... Agent: General Motors Company Legal Staff

20090241889 - Intake airflow control mechanism for engine: An intake airflow control mechanism for an engine includes a first valve shaft on which valve elements of intake airflow control valves are fitted in such a manner that the valve elements pivot in accordance with the rotation of the first valve shaft; a second valve shaft on which valve... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090241890 - Damping force variator: The present invention provides a damping force variator that can damp a vibration even if the frequency of the vibration is high. The damping force variator, which applies a magnetic field to a magnetic fluid flowing through an orifice to vary the magnitude of a damping force, has a float... Agent: Arent Fox LLP

20090241891 - Cylinder head structure in four-cycle engine: To achieve further reduction in size and weight of a cylinder head in a four-cycle engine having a connection surface formed on the cylinder head to connect a head cover set so as to follow along a plane that is inclined so as to be spaced further away from a... Agent: Birch Stewart Kolasch & Birch

20090241892 - Crankcase structure for an overhead-camshaft internal combustion engine, and engine incorporating same: An overhead-camshaft internal combustion engine having an outer wall of a crankcase provided adjacent a crankshaft, with a spiral-surfaced opening through which the crankshaft is passed. The outer crankcase wall is integrally provided with a loop guide engaging recess formed thereon. The loop guide engaging recess supports a base end... Agent: Carrier Blackman And Associates

20090241893 - Bolt fastening structure for internal combustion engine, and engine incorporating same: A bolt fastening structure for an internal combustion engine includes bolt fitting holes formed in a cylinder of the engine. An inner wall of a top portion of a crankcase includes boss portions having openings, as an extension to the corresponding bolt fitting holes, with internal threads formed therein. The... Agent: Carrier Blackman And Associates

20090241894 - Compliant walled combustion devices: Combustion devices described herein comprise a compliant combustion chamber wall or segment. The compliant segment deforms during combustion in the combustion chamber. Some devices may include a compliant wall configured to stretch responsive to pressure generated by combustion of a fuel in the combustion chamber. A coupling portion translates deformation... Agent: Beyer Law Group LLP

20090241896 - Ignition system utilizing igniter and gas injector: An ignition system for use with an engine is disclosed. The ignition system may have an igniter connected to selectively ignite a fuel mixture within the engine, an injector located to inject a non-combustible gas into the engine, and a controller in communication with the igniter and the injector. The... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20090241897 - Low cost variable swirl: Variable swirl for internal combustion engines. In one aspect, an apparatus includes a first intake valve controlling air flow from a first intake port to a piston cylinder of the internal combustion engine, where the first intake valve has a first lift profile. A second intake valve controls air flow... Agent: Studebaker & Brackett PC

20090241898 - Method of controlling the spark lead of an internal combustion engine: A method of controlling the spark lead of an internal combustion engine having at least one cylinder fitted with a spark plug; the method including the steps of: determining a standard spark lead value; determining an engine knock index in the cylinder; calculating a correction factor as a function of... Agent: Graybeal Jackson LLP

20090241899 - Reserve torque for lean equivalence ratio requests: A reserve torque system comprises a first module and a reserve torque module. The first module generates a first signal a predetermined period before an equivalence ratio (EQR) of an air/fuel mixture supplied to an engine is transitioned from a non-lean EQR to a lean EQR. The reserve torque module... Agent: Harness Dickey & Pierce, P.L.C

20090241900 - Intake air control system of v-type internal combustion engine: An intake air control system of a V-type internal combustion engine having cylinder axes formed in a V-shape with a crankshaft provided therebetween is provided. An operation input shaft driven by an operator's input and an operation input shaft turning angle sensor that detects a turning angle of the operation... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241901 - In-line electro-mechanical modulating device to modulate fuel flow in fuel rails to reduce noise: Systems and methods for modulating fuel flow of a fuel delivery system including direct injection fuel injectors of an engine to mitigate engine noise are provided. An example of such systems may include a modulating device located in the fuel delivery system upstream of the direct injection fuel injectors, the... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20090241902 - Internal combustion engine: An internal combustion engine includes a cylinder head having a plurality of intake ports; throttle devices including a plurality of respective intake passages equipped with throttle valves therein; a plurality of fuel injection valves for injecting fuel into the corresponding intake passages; a fuel pipe adapted to supply fuel to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241903 - Cam assisted common rail fuel system and engine using same: A fuel system for an internal combustion engine includes a plurality of nozzle groups and a plurality of pump groups. A common rail is fluidly connected with each of the nozzle groups, and each of the pump groups includes a mechanically actuated pressure intensifier having a tappet which can selectively... Agent: Caterpillar C/o Liell, Mcneil & Harper Intellectual Property Department

20090241904 - Fuel supply pipe device and fuel injection device having the same: An internal combustion engine has multiple cylinders each provided with multiple injectors. A fuel supply pipe device includes multiple fuel passages, which receive fuel through multiple fuel paths and supply the fuel correspondingly to the multiple injectors. The multiple fuel passages are separated respectively from the multiple fuel passages.... Agent: Nixon & Vanderhye, PC

20090241907 - Fuel pressure sensor/sensor mount assembly: A fuel pressure sensor/sensor mount assembly for use in a fuel injection system equipped with fuel injectors which inject fuel, as supplied from an accumulator through fuel pipes, into a multi-cylinder internal combustion engine mounted in an engine compartment of a vehicle. The assembly includes a connector unit and fuel... Agent: Nixon & Vanderhye, PC

20090241905 - Mount structure of fuel injection valve and fuel injection system: A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes,... Agent: Nixon & Vanderhye, PC

20090241906 - Mounting device for an injector in an exhaust system of an internal combustion engine: A mounting device for an injector in an exhaust system of an internal combustion engine; the mounting device is provided with a tubular support body, which is made of a thermally conductive material, houses the injector therein, and is adapted to be coupled to a connection tube laterally extending outwards... Agent: Davidson Berquist Jackson & Gowdey LLP

20090241908 - Controlling apparatus of variable capacity type fuel pump and fuel supply system: A controlling apparatus of a variable capacity type fuel pump, for avoiding noises caused due to drive of the fuel pump and noises caused due to drive of injectors from overlapping or duplicating with each other in the timing thereof, wherein signals for driving the pump reduced, or the timing... Agent: Crowell & Moring LLP Intellectual Property Group

20090241909 - Shot mode transition method for fuel injection system: A fuel injection system for a combustion engine is disclosed. The fuel injection system may have a fuel injector configured to inject fuel in one of a first shot mode and a second shot mode. Additionally, the fuel injection system may have a sensor configured to sense a parameter indicative... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20090241911 - Vibration reducing system using a pump: A vibration reducing system for an engine is disclosed. The vibration reducing system includes at least one pumping member movable through a plurality of pumping strokes during an engine cycle. The vibration reducing system also includes a controller in communication with the at least one pumping member, the controller being... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20090241912 - Fuel supply system: A fuel supply system includes a plurality of fuel pumps, and one suction filter. The suction filter includes connection portions that are connected to pump inlets of the fuel pumps, and an interval adjusting member that adjusts the interval between the connection portions in accordance with the interval between the... Agent: Oliff & Berridge, PLC

20090241913 - Intake device for multicylinder engine: A compact intake device for a multicylinder engine includes fuel injection valves, vacuum conduits, and purge conduits compactly disposed on throttle bodies. First and second connecting tubes are disposed on a plurality of throttle bodies of a multicylinder engine and are open into intake passages in the throttle bodies substantially... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241914 - Portable gas powered internal combustion engine arrangement: A gas powered internal combustion engine in which the gas is provided from pressurized liquid gas in an LPG container and in which the LPG container is rigidly mounted adjacent to the internal combustion engine at a preselected angle to be in conductive heat transfer relationship to the internal combustion... Agent: Don B. Finkelstein, Esq. Law Offices Of Don Finkelstein

20090241915 - Cold start up auxiliary system for alcohol and flex engines with air-inlet and alcohol warm up: The present invention relates to a new auxiliary system of cold start, preferably used in the internal combustion engines that use alcohol as fuel. The engines ‘Flex Fuel’ (alcohol/gasoline/GNV) are included in the possibility of the use of this invention. The cold starting system makes use of resistances (3) positioned... Agent: Volpe And Koenig, P.C.

20090241916 - Portable gas powered internal combustion engine arrangement: A gas powered internal combustion engine in which the gas is provided from pressurized liquid gas in an LPG container and in which the LPG container is rigidly mounted adjacent to the internal combustion engine at a preselected angle to be in conductive heat transfer relationship to the internal combustion... Agent: Don B. Finkelstein, Esq. Law Offices Of Don Finkelstein

20090241917 - Portable gas powered internal combustion engine arrangement: A gas powered internal combustion engine in which the gas is provided from pressurized liquid gas in an LPG container and in which the LPG container is rigidly mounted adjacent to the internal combustion engine at a preselected angle to be in conductive heat transfer relationship to the internal combustion... Agent: Don B. Finkelstein, Esq. Law Offices Of Don Finkelstein

20090241918 - Engine control device and engine control method: A multi-cylinder engine includes an EGR mechanism for introducing exhaust gas into intake air, and is capable of a partial cylinder operation in which combustion in a part of the cylinders is halted. The multi-cylinder engine includes an EGR rate control unit for setting an introduction rate at which the... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090241919 - Device for separating liquids from gases: m

20090241922 - Apparatus and method for treating blow-by gas for internal combustion engine: A total amount of engine oil carried from a crankcase into an intake passage by blow-by gas from the start of the use of the internal combustion engine or the engine oil is calculated. It is determined whether the total oil carried amount is greater or less than an optimum... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090241920 - Device for cleaning crank case gases: Device for cleaning crankcase gases from an internal combustion engine by means of a centrifugal separator (14), comprising a housing (16) with a rotor (22), which is rotatably supported in the housing and has a plurality of tightly separated separating discs (20). The housing (16) has an interface surface, which... Agent: Schwegman, Lundberg & Woessner, P.A.

20090241921 - Oil collecting structure of blow-by gas recirculation system and oil collecting device having the structure: An oil return passage that is open at its upper end to a cam chamber and is open at its lower end to a crank chamber is formed to extend from a cylinder head to a cylinder block. A heat exchanger having a double-pipe structure is housed in the oil... Agent: Oliff & Berridge, PLC

20090241923 - Fuel distribution apparatus for a v-type engine: A fuel distribution apparatus for a V-type engine wherein first and second throttle bodies connected to first and second banks disposed in a V shape, respectively, are disposed therebetween and a main fuel distribution pipe for distributing fuel from a common fuel supply system is connected to first and second... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090241924 - Circuit configuration for switching current flow through an ignition coil: A circuit configuration for switching current flow through an ignition coil, in which the switching process is able to be executed by at least one first transistor that is controllable by a control signal which is able to be supplied via a control signal input of the circuit configuration, and... Agent: Kenyon & Kenyon LLP

20090241925 - Air/fuel imbalance monitor using an oxygen sensor: Air/fuel imbalance monitoring systems and methods for monitoring air/fuel ratio imbalance of an internal combustion engine having a plurality of engine cylinders are provided herein. An example of the method may include routing exhaust gas from a first group of cylinders to an exhaust gas oxygen sensor, and during selected... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP