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Internal-combustion engines March list of patents 03/08

20080072858 - Apparatus for providing fuel saving and low emission heavy fuel oil: An apparatus for providing fuel saving and low emission heavy fuel oil includes an additive providing unit, a lower emission heavy fuel oil providing unit, a lower emission heavy fuel oil preparation unit, a complementary homogenizer seal cooling unit, a fuel oil supply unit, a main controller, and an emulsifier... Agent: Hdsl

20080072851 - Low mass fan shroud with integrated membrane barrier: An engine cooling fan shroud structure (20) for a vehicle includes a skirt (12′) defining a frame. The frame has a certain wall thickness and defines an opening (22) therein constructed and arranged to permit air to pass through the skirt. The skirt includes motor mount structure (14) supported in... Agent: Siemens Corporation Intellectual Property Department

20080072853 - Finger follower lost motion valve actuation system with locating link: An engine valve actuation system for an internal combustion engine is disclosed. The valve actuation system may include a longitudinally extending link member pivotally attached to an engine member. A longitudinally extending finger follower may be pivotally attached to the link member. The finger follower may include first and second... Agent: Kelley Drye & Warren LLP

20080072855 - Roller bearing and z-stop for a two-step roller finger follower: A two-step roller finger follower having a high-lift follower portion that pivots on a pivot shaft disposed on a low-lift follower portion, and having a lost-motion spring disposed between the high-lift follower and the low-lift follower to bias the high-lift follower toward the high lift cam lobe. Various bearing cups... Agent: Delphi Technologies, Inc.

20080072854 - Variable valve lift internal combustion engine: Provided is a variable valve lift internal combustion engine including a control shaft pivotally supported by a cylinder head via a pivot arm pivotally supported by the cylinder head so as to able to move angularly around a rotational center line extending in parallel with an axial line of the... Agent: Arent Fox LLP

20080072856 - Two-piece valve cover: A two-piece valve cover for use on an engine having an engine cylinder head and a plurality of valve rocker arms. The two-piece valve cover includes a base housing for sealing with the cylinder head and a top cover. The top cover includes a sealing flange adapted to receive a... Agent: Dickinson Wright PLLC

20080072850 - Compact pump arrangement: A compact water pump assembly has a shaft extending from a first end to a second end. An annular groove is located on the shaft. A housing member is located about the shaft and intermediate the first and second ends. An impeller is coupled to the second end of the... Agent: Mcdonald Hopkins LLC

20080072852 - Cylinder head for rotary valve internal combustion engine: A cylinder head (3) for an axial flow rotary valve (1). The head comprises a bore (2) having an axis and adapted to house an axial flow rotary valve (1), a window (8) in the bore through which at least one port (12, 13) in the valve periodically communicates with... Agent: Birch Stewart Kolasch & Birch

20080072857 - Hydraulic valve clearance compensation element: the control valve (11) comprises a control valve ball (19), upon which a control valve spring (20) acts in the opening direction and the lift of which is limited by a lift-limiting stop (24) of a valve ball cap (21), whereby an RSHVA, the idle lift of which is as... Agent: Hedman & Costigan P.C.

20080072861 - Engine for vehicle: An engine for a vehicle includes a crankcase and a starting system having a starting motor arranged above a top wall of the crankcase and a starting gear train. The crankcase is divided into left and right crankcase members. For example the left crankcase member has a first motor mounting... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080072859 - Battery device, internal combustion engine system including battery device, and motor vehicle equipped with internal combustion engine system: In the battery device of the invention, the voltage equalization process activates the voltage equalization circuits (B1) through (B3) to respectively equalize the voltages of the plural cells included in each of the three battery modules (C1) through (C3) in the state of serial connection of the battery modules (C1)... Agent: Oliff & Berridge, PLC

20080072860 - Driving apparatus, control method of driving apparatus, and motor vehicle equipped with driving apparatus: Upon the setting of a gearshift position SP to a drivable gear position, for example, a drive position for general forward drive or a braking position for applying brake on downslope, when an engine rotation speed Ne decreases to or below a preset fuel injection-start reference rotation speed Nref1, a... Agent: Oliff & Berridge, PLC

20080072862 - Combustion chamber deactivation system: The present invention relates to an internal combustion engine comprising: a plurality of combustion chambers (41,42,43,44); an air induction system (45,45A,45B,46,47) for delivering air to each combustion chamber (41,42,43,44); a fuel system for delivering fuel to each combustion chamber (41,42,43,44); an exhaust system (48,50) for relaying combusted gases from the... Agent: Fulwider Patton LLP

20080072863 - Multicylinder internal combustion engine with resonator: A multicylinder internal combustion engine E has a cylinder head 2; a cylinder head cover 3; an intake manifold 20 having a header body 21 disposed right above an engine body and intake runners 22; and a resonator 50. Each of the intake runners 22 has a bend 24 extending... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080072864 - Recoil starter: A recoil starter includes: a rope reel on which a recoil rope, one end of which is held on an outside of a starter case, is wound and which is fitted turnably on a reel pivot formed on an inside of the starter case; a recoil spring that turns and... Agent: Nixon & Vanderhye, PC

20080072866 - Port sealing in a rotary valve: An axial flow rotary valve (1) for an internal combustion engine comprising a cylinder head (10) having a bore in which an axial flow rotary valve (1) rotates. The valve having a cylindrical centre portion (4), and an inlet and an exhaust port (2, 3) terminating as openings (7, 8)... Agent: Birch Stewart Kolasch & Birch

20080072865 - Cartridge style exhaust bypass valve: An exhaust bypass valve assembly is provided for a vehicle. The assembly includes a housing (22) defining an inlet passageway (21) and first and second passageways (24, 26) in communication with the inlet passageway and with each other, and a bore (28) at a juncture (25) of the passageways and... Agent: Siemens Corporation Intellectual Property Department

20080072867 - Vehicle combustion engine: A vehicle combustion engine includes an engine cylinder block having an exhaust port defined in a front surface area thereof and fluidly connected with an exhaust tube. A transmission is arranged rearwardly of a crankcase. The vehicle combustion engine also includes at least one of an oil filter for filtering... Agent: Joseph W. Price Snell & Wilmer LLP

20080072868 - Air cleaner for motorcycles: A conical frustum shaped air cleaner comprised of a porous foam material in multiple layers. A cavity opening is formed at the center section of the flat bottom surface of the cleaner. The airflow resistance through the aforementioned foam material formed in the tapered side section of the cleaner is... Agent: Irving Keschner

20080072869 - Multicylinder internal combustion engine: A multicylinder internal combustion engine, which can simplify its control and is advantageous against thermal loads or vibrations includes a cylinder head with intake valves and exhaust valves arranged therein. Valve actuators are provided for openably operating the intake valves and exhaust valves, respectively. A cylinder head cover forms, in... Agent: Birch Stewart Kolasch & Birch

20080072870 - Methods and systems employing oscillating vane machines: The present invention is directed to an oscillating vane machine where the vanes can be operated at high speed with a minimum of vibration and with minimum mechanical loads accomplished with sinusoidal motion of the vanes utilizing an improved continuously rotating input/output which is naturally balanced.... Agent: Elmore Patent Law Group, PC

20080072871 - Fuel injector having an integrated ignition device: A fuel injector having an integrated ignition device includes a first electrode pair for igniting fuel which is injected directly into a combustion chamber of an internal combustion chamber through spray-discharge orifices of the fuel injector. The first electrode pair is made up of a ground electrode and a center... Agent: Kenyon & Kenyon LLP

20080072872 - Method and apparatus to control fuel injection: A method for controlling direct fuel injection into an engine is detailed. The method comprises determining a quantity of fuel to inject into a combustion chamber during a combustion cycle, and, executing three fuel injection events during the combustion cycle. The first fuel injection event is initiated during a compression... Agent: General Motors Corporation Legal Staff

20080072873 - Throttle body assembly for an internal combustion engine: The invention relates to a throttle plate port whose pivot axis is disposed so as to be axially offset with respect to the throttle plate and whose radial peripheral surface is shaped, at least by sections, in the form of spherical sectors, where in the position which closes the bore... Agent: Griffin & Szipl, PC

20080072874 - Method and device for operating an internal combustion engine: A method and a device for operating an internal combustion engine improve the response of the internal combustion engine and increase its torque. An exhaust valve of the combustion chamber of the internal combustion engine is opened during a discharge phase of the internal combustion engine for discharging exhaust gas,... Agent: Kenyon & Kenyon LLP

20080072875 - Air intake control apparatus: An air intake control apparatus includes a body forming an intake passage for an internal combustion engine, a bore member retained within the body to be movable relative to the body and having a bore being in communication with the body and having an internal peripheral surface forming a portion... Agent: Reed Smith LLP

20080072876 - Ignition timing circuit: An ignition timing circuit is disclosed which provides variable fuel ignition timing as a function of the rotational speed of a small internal combustion engine. A measure of the rotational speed of an engine is generated from the shape of pulses generated by a sensor. A timing delay circuit converts... Agent: Kenneth Wilson Fernald

20080072877 - Combined temperature and pressure transducer incorporating connector keyway alignment and an alignment method: A transducer sensor is positioned within a hollow of the body of a housing. The housing has an extending alignment pin, which pin coacts with a corresponding slot or aperture in the wall of a vessel whose pressure or temperature is to be monitored. The transducer body is associated with... Agent: HowardIPLaw Group

20080072878 - Fuel injection control device for a variable-fuel engine and engine incorporating same: A fuel injection control apparatus, for a variable-fuel engine, includes a plurality of stored maps for determining a basic fuel injection time corresponding to a state of an engine and alcohol concentration in the fuel. The apparatus includes a memory storage region which stores the fuel injection control maps. The... Agent: Carrier Blackman And Associates

20080072879 - Apparatus and system for driving fuel injectors with piezoelectric elements: An apparatus is provided for driving an injector injecting fuel into an internal combustion engine. The injector is provided with a piezoelectric element to be charged and discharged. The apparatus comprises a calculator and a charger. The calculator calculates a command value to charge the piezoelectric element. The calculator includes... Agent: Nixon & Vanderhye, PC

20080072880 - Method and device for supplying internal combustion engines with fuel: A method and a device for supplying fuel to internal combustion engines comprise a regulated high-pressure system and a controlled low-pressure system, wherein an adaptation value for correcting the desired preliminary pressure is detected in an adaptation mode, in order to adjust a variable preliminary pressure in the low-pressure system.... Agent: Baker Botts L.L.P. Patent Department

20080072881 - Purge system for ethanol direct injection plus gas port fuel injection: A method for managing vapors generated by a first and second reservoir onboard a vehicle traveling on the road, the method comprising of inducting vapors from the first and second reservoirs during engine operation and reducing flow of vapors from first the reservoir to second reservoir and from the second... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080072882 - System and method for preparing an optimized fuel mixture: The invention provides for a system and method for creating an optimized fuel/air mixture for more efficient combustion. The system in accordance with the invention includes an ozone generator and a gasifier that receives liquid fuel and ozone and creates an optimized fuel of mixture. The optimized fuel/air mixture is... Agent: Hogan & Hartson LLPIPGroup, Columbia Square

20080072883 - Motorcycle crankcase ventilation reservoir and dissipator: A motorcycle engine crankcase ventilation reservoir that includes a hollow container, an air permeable filter, and a conduit. The filter is housed within the container. The conduit is secured to the container and releasably coupled to a crankcase vent of a motorcycle engine. Blow-by gases that are routed out of... Agent: Gardner Groff Greenwald & Villanueva. PC

20080072884 - Air/fuel ratio control apparatus for internal combustion engine: Under the assumption that in-cylinder intake air quantities which are imbibed into a combustion chamber are constant, and on the basis of the relationship that the product between a command final fuel injection quantity Fi (Fi(k−M)) and a detection air/fuel ratio abyfs(k) becomes equal to the product between a target... Agent: Oliff & Berridge, PLC

20080066696 - Water-cooled internal combustion engine having radiator: A water circulation structure of a cylinder block having a compact layout of piping connecting an engine body and a radiator. A water-cooled internal combustion engine is provided with an engine body including a cylinder block and a cylinder head and a radiator. The radiator is disposed to be separated,... Agent: Birch Stewart Kolasch & Birch

20080066697 - Cooling system of an internal combustion engine having charge air feed: A method and a system for cooling an internal combustion engine (3) having charge air feed, which has a first (1) and a second (2) cooling loop, of which the first cooling loop (1) is operated at a higher temperature level than the second cooling loop (2), and in which... Agent: Cohen, Pontani, Lieberman & Pavane

20080066698 - Internal combustion engine with wind exhaust duct and vehicle mounted with internal combustion engine: To increase the wind volume of the cooling wind flowing through a radiator and to enhance the cooling performance of the radiator by providing a wind exhaust duct using a crankcase of an internal combustion engine. A cooling device of the internal combustion engine includes a radiator arranged lateral to... Agent: Birch Stewart Kolasch & Birch

20080066699 - Induction air acoustics management for internal combustion engine: A system and method for controlling an internal combustion engine control an actuator in response to variations of intake airflow relative to an average intake airflow to manage induction acoustics. The system and method may include controlling an actuator, such as a throttle valve, to increase intake manifold vacuum in... Agent: Bir Law, PLC/fgtl

20080066700 - Variable valve timing system and method for controlling the same: An actuator operation amount setting unit prepares the rotational speed command value for an electric motor such that the phase of an intake valve changes in accordance with the target phase. An electric-motor EDU controls the motor supply electric power such that the electric motor operates in accordance with the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080066702 - Variable valve actuation mechanism for an internal combustion engine: A variable valve actuation mechanism for an internal combustion engine includes a drive shaft that rotates in operative association with rotation of a crankshaft, thereby to drive an intake or exhaust valve to open or close by way of a rocker arm; and a control shaft that is rotated by... Agent: Rader, Fishman & Grauer PLLC

20080066705 - Lash adjuster: A return spring 35 is formed using a compression coil spring that is installed so that its axial direction is an up-down direction. The return spring 35 is provided in a high-pressure chamber 14, and powers a plunger 20 in an upwards direction. A coil diameter of the return spring... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080066701 - Method for valve seating control for an electro- hydraulic engine valve: Valve lift in an internal combustion engine is controlled by an electro-hydraulic actuation mechanism including a selectively actuable hydraulic feedback circuit.... Agent: Cichosz & Cichosz, PLLC

20080066703 - Nitrided valve lifter: A sliding surface (2) of a valve lifter (1) or a shim (3) is subjected to a gaseous nitriding to have a surface hardness of Hv 660 or higher and a thickness of a compound layer (6) of 1 to 5 μm. The nitrided layer on the surface is a... Agent: Kubovcik & Kubovcik

20080066704 - Open ended mini lash adjuster: A hydraulic lash adjuster (17;61;81) in which the body (19) defines a body bore (39) extending over substantially the entire axial length of the body, thus making it possible to finish the bore (39) by a more accurate process, such as honing. In the FIG. 2 embodiment, there is a... Agent: Eaton Corporation Eaton Center

20080066707 - Starter system for internal combustion engine: A starter system for a reciprocating internal combustion engine includes an input gear journaled for rotation upon a crankshaft in the engine, and a starter motor which applies a starting torque to an outer periphery of the input gear. A speed-sensitive clutch is interposed between the crankshaft and the input... Agent: Dickinson Wright PLLC

20080066706 - Internal combustion engine system and internal combustion engine control method: When a crank angle CAa of a specific cylinder, which was expected to stop in a fuel injection stop range over an intake stroke to a compression stroke at a full stop of an engine and received fuel injection, actually exceeds the fuel injection stop range and reaches a preset... Agent: Oliff & Berridge, PLC

20080066708 - Auxiliary arrangement structure in internal combustion engine: In an internal combustion engine, an actuator for driving a control shaft of a variable valve-operating mechanism is disposed in a space surrounded by a cylinder head having a plurality of intake ports, an intake manifold having a plurality of branch pipes connected to the intake ports, and a throttle... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080066709 - Rotary valves and valve seal assemblies: Novel rotary valve assemblies and valve components for use with an internal combustion engine are disclosed. Valve seal assembly anchors are also described. Selected valve port geometries and axial adjustment for variable valve area for desired engine efficiency and performance are described. Novel seal assemblies and arrangements for sealing and... Agent: Deanna J. Shirley

20080066710 - Arrangement of a timing case cover: The invention relates to an arrangement of a timing case cover on a reciprocating-piston internal combustion engine, having an engine block (ZKG), a crankshaft pivot-mounted in the engine block, an oil pan which tightly seals the engine block to the bottom, and a timing case cover which is located on... Agent: Stevens Davis Miller & Mosher, LLP

20080066711 - Engine for vehicle: An engine for a vehicle including a crankcase having a crank room and a transmission room partitioned from the crank room by a partition wall, the transmission room housing a gear transmission having a gear train for backward movement and reserving oil of the engine. The gear train has a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080066712 - Method and apparatus for lubricating cylinder surface in large diesel engines: There is described a method and an installation for lubricating cylinder surfaces 6 in large diesel engines. The installation includes a lubricating apparatus 3 with a number of piston pumps 4 which via connecting lines 5 are connected with lubricating points 6 in the cylinder walls 7. In order to... Agent: James C. Wray

20080066713 - Approach for facilitating engine mode transitions: A method of transitioning a cylinder of an engine from a spark ignition mode to a homogeneous charge compression ignition mode, the cylinder having at least one electrically actuated intake valve and at least one exhaust valve, the method comprising of before a transition, operating the cylinder with at least... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080066714 - Fuel compositions and its use: A fuel composition containing a major amount of a fuel for an internal combustion engine and a minor amount of a fuel-compatible dendrimer containing from 4 to 64 terminal functional groups independently selected from amino, hydroxyl and carboxylate groups is disclosed. The use of such compositions as fuel in an... Agent: Shell Oil Company

20080066715 - Control of air-charge and cylinder air temperature in engine: A method of operating an engine having at least one cylinder during a homogeneous charge compression ignition is provided. The method comprises: directing a first air stream to the cylinder via a first throttle; directing a second, separate, air stream to the cylinder via a second throttle, said first stream... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080066716 - Engine control system with fuel injection timing control method: A fuel control system for a cylinder direct injection internal combustion engine. A predetermined portion of the fuel spray is appropriately ignited regardless of the correction of the ignition timing, thereby always securing stable, satisfactory combustion. In the case where the ignition timing is corrected, the fuel injection timing is... Agent: Crowell & Moring LLP Intellectual Property Group

20080066717 - Bellows for idle air control valve of vehicle: An idle air control valve for a vehicle includes a housing (21), a motor (32) disposed in the housing, a shaft (29) associated with the motor, and a bellows assembly (30) including a bellows structure (10) having a first end defining a base (14), a second, opened end (16), and... Agent: Siemens Corporation Intellectual Property Department

20080066718 - Engine controller and controlling method: When a throttle is fully open, a maximum torque set value is corrected based on the ratio between the maximum air volume set value under fully-open throttle conditions and the actual maximum air volume detected by an intake air volume meter such as an air flow sensor. Based on the... Agent: Crowell & Moring LLP Intellectual Property Group

20080066719 - Injection system for an internal-combustion engine: A fuel-injection system (1, 1′, 1″) for an internal-combustion engine (2), of the type provided with compressor mechanism (4) for making available the fuel at a high pressure to an storage volume (7), and a plurality of injectors (8, 8″) fluidically connected to the storage volume (7) for taking in... Agent: Liniak, Berenato & White

20080066720 - Gas turbine fuel injector with a removable pilot assembly: A fuel injector for a gas turbine engine is disclosed. The fuel injector includes an injector housing having a longitudinal axis. The injector housing includes one or more fuel inlets, one or more fuel galleries annularly disposed about the longitudinal axis, and an air inlet. The fuel injector also includes... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080066721 - Diesel engine conversion to use alternative fuels: A method and apparatus for converting a diesel engine for running on alternative fuels in which the a combination filter and heater assembly is installed between the fuel supply and the engine including a heat exchanger portion having a path for fuel and for coolant in order to heat the... Agent: Lawrence S. Cohen, Attorney

20080066722 - Centrifugal compressor with improved lubrication system for gear-type transmission: A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input shaft by intermeshing gears provided on the shafts. A... Agent: Hovey Williams LLP

20080066723 - Internal combustion engine with a supercharger: In an internal combustion engine with a supercharger, there is provided a technique capable of quickly raising supercharging pressure. In the internal combustion engine with a supercharger which includes a communication passage 6 that connects between those portions of an exhaust passage 3 which are upstream and downstream of an... Agent: Oliff & Berridge, PLC

20080066724 - Method of operating an internal combustion engine in an engine warm-up phase: In a method of operating an internal combustion engine with a cylinder including a piston defining in the cylinder a combustion chamber, in particular a diesel internal combustion engine, with multiple direct fuel injections, the engine having a coolant circuit and an exhaust gas recirculation device, the fuel is injected... Agent: Klaus J. Bach

20080066725 - Exhaust gas recirculation system for gasoline engines: A gasoline engine system includes a gasoline engine, a throttle valve for metering a supply of combustion gas fed to the engine, and a source of metered fuel injected into the combustion gas mixture. The throttle valve includes an inlet air supply line, a recirculating exhaust gas supply line, and... Agent: St. Onge Steward Johnston & Reens, LLC

20080066726 - Ceramic engine cylinder assembly of a car: A ceramic engine cylinder assembly of a car comprises a cylinder and a piston. A layer of ceramic material is coated on an inner surface of the cylinder; similarly, a layer of ceramic material is coated on an outer surface of the piston. When the piston is moving in the... Agent: Pro-techtor International Services

20080066727 - Air-fuel ratio control system and method for internal combustion engine: An air-fuel ratio control system includes: a catalyst; an oxygen concentration sensor; an integral value calculation portion that calculates an integral value of a deviation updated by integrating the deviation between an output value from the oxygen concentration sensor and a reference value; an air-fuel ratio control portion that controls... Agent: Sughrue Mion, PLLC

20080060598 - Method and apparatus for modifying fuel injection scheme: A fuel injector control modification module is configured to modify primary fuel injector control signals provided by an engine control unit of an internal combustion engine. The module is particularly adapted to modifying fuel injector control signals based upon detected variations in fuel provided to the engine. Information indicative of... Agent: Weide & Miller, Ltd.

20080060589 - Cooling system for hybrid power system: A cooling system for a hybrid power system that includes an engine employs an engine cooling circuit to deliver coolant to the engine, the engine cooling circuit including a radiator and a main fan to draw air through the radiator. When the hybrid power system further includes an inverter, then... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20080060590 - Coolant system for hybrid power system: A cooling system for a hybrid power system that includes an engine such as a generator engine, and a power converter such as an inverter, includes an engine cooling circuit, a power converter cooling circuit and a common coolant tank operatively coupled to both the engine and the power converter... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20080060591 - System and method for cooling engine room using heater blower: A system for cooling a vehicle engine room is provided that comprises: a heater blower provided around a dash panel of the vehicle and configured to be able to send external air to the engine room and a cabin of the vehicle; and a control unit to control the heater... Agent: Edwards Angell Palmer & Dodge LLP

20080060592 - Split cooling system for an internal combustion engine: s

20080060593 - Cylinder block and internal combustion engine: In a cylinder block of an internal combustion engine, a water jacket in which coolant is circulated is formed around cylinder bores. In the cylinder block, an introduction passage, through which the coolant is introduced from the outside of the water jacket to the inside of the water jacket, is... Agent: Oliff & Berridge, PLC

20080060628 - Self-lubricating piston: An engine assembly including a piston for rectilinear reciprocation within a cylinder. Rectilinear reciprocation of the piston allows for a sealing off of a fuel chamber such that fuel may be maintained and delivered to a combustion chamber independent of any lubrication oil to be employed at the interface of... Agent: William F. Ryann

20080060596 - Desmodromic valve system including single cam surface for closing and opening the valve: A desmodromic valve and cam system is provided. The system may comprise a cam lobe mounted to a cam shaft and defining an effective cam surface. The system may also comprise a rocker mounted to a valve wherein the rocker pivots up and down in response to an input of... Agent: Stetina Brunda Garred & Brucker

20080060597 - Valve operation device of internal combustion engine: A variable valve characteristic mechanism has a valve operation cam pivotally supported on a camshaft and a driving mechanism rocking an interlocking mechanism around the camshaft, the interlocking mechanism rocking the valve operation cam by a driving cam integrated into the camshaft. The engine valve starts to open and close... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080060594 - Engine tubular camshaft assembly with multi-lift cam sets and method: An engine camshaft assembly includes a hollow tubular shaft mounting a plurality of separate cam sets, each including multiple camps. Each cam includes an outer cam surface bounded by opposite parallel sides and including an axial opening extending through said sides. Each cam set includes at least two associated cams... Agent: General Motors Corporation Legal Staff

20080060595 - Mounting structure of functional device for internal combustion engine: A stay for keeping an oil control valve fastened to a sleeve extends across the outer surface of a head cover from the oil control valve and is fixed by a screw. Thus, the OCV is removable from the sleeve without dismounting the head cover from the cylinder head by... Agent: Kenyon & Kenyon LLP

20080060599 - Internal combustion engine: An internal combustion engine 10 has a cylinder head 11 slideably supporting one or more poppet valves 30. At least a portion of one of the poppet valves 30 in each combustion chamber of the engine 10 forms in combination with one or more secondary electrodes 35, 133, 233, 333,... Agent: Ford Global Technologies, LLC

20080060600 - Poppet valve for an internal combustion engine: An internal combustion engine 10 has a cylinder head 11 slideably supporting one or more poppet valves 30. At least one of the poppet valves 30 in each combustion chamber of the engine 10 has a primary electrode 69, 269a, 269b, 369a, 369b connected thereto so as to be electrically... Agent: Ford Global Technologies, LLC

20080060601 - Device for controlling an automatic start/stop system: A device for controlling the operating state of a system for the automatic starting/stopping of a heat engine of a vehicle. The invention is characterised in that the device comprises at least one operating state indicator (F1, F2) which is associated with an operating mode of the system and which... Agent: Matthew R. Jenkins, Esq.

20080060602 - Self-lubricating piston: An engine assembly including a piston for rectilinear reciprocation within a cylinder. Rectilinear reciprocation of the piston allows for a sealing off of a fuel chamber such that fuel may be maintained and delivered to a combustion chamber independent of any lubrication oil to be employed at the interface of... Agent: William F. Ryann Ste. 1629

20080060603 - Double-layer lubrication coating composition, double-layer lubrication coating and piston having same coating: A double-layer lubrication coating composition is made up of an upper-layer coating composition and a lower-layer coating composition. The upper-layer coating composition is made up of 5o to 70 wt % of an epoxy resin or a polyamide-imide resin, 5 to 20 wt % of boron nitride, and 15 to... Agent: Arent Fox LLP

20080060604 - Internal combustion engine: In an engine, blow-by is substantially eliminated and friction is significantly reduced using one or more combinations of non-metallic rings. By substantially eliminating blow-by and by reducing friction, certain engine parameters may be changed. In addition, by substantially eliminating blow-by and by reducing friction, pollution may be reduced, fuel economy... Agent: Hansra Patent Services

20080060605 - Remotely mounted high-pressure fuel pump assembly: An internal combustion engine is provided having an accessory drive system. A high-pressure fuel pump assembly is mounted with respect to the engine and driven by the accessory drive system. Additionally, the internal combustion engine includes an engine block and at least one cylinder head mounted thereto. The engine block... Agent: General Motors Corporation Legal Staff

20080060606 - Oil filter mounting structure in internal combustion engine: An oil filter mounting structure in an internal combustion engine in which the outside a crankcase in the direction of a crankshaft is covered by a case cover. A spacer is interposed between the crankcase and the case cover. The spacer is formed with a lubrication system. An oil filter... Agent: Birch Stewart Kolasch & Birch

20080060607 - Headwear piece with ornamentation: A headed piece having a crown defining an opening into which a wearer's head can be directed and a brim/bill projecting away from the crown. The crown has an inside surface for engaging a wearer's head, directed into the opening, to thereby maintain the headed piece in an operative position... Agent: Wood, Phillips, Katz, Clark & Mortimer

20080060608 - Method and use for the prevention of fuel injector deposits: A method of substantially removing, or reducing the occurrence of, injector deposits in a diesel engine operated using a diesel fuel containing a minor amount of a metal-containing species is disclosed. The method comprises adding to the diesel fuel a salt formed by the reaction of a carboxylic acid with... Agent: Infineum Usa L.p.

20080060609 - Approach for facilitating fuel evaporation in cylinder of an internal combustion engine: A method of operating an engine including at least one cylinder and a piston disposed within the cylinder, the method comprising during a first condition, injecting fuel into the cylinder and subsequently operating the piston to perform one compression stroke before combusting the injected fuel, and during a second condition,... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080060610 - Idle stability improvement for direct injected engines: A fuel injection method for internal combustion engines with gasoline direct fuel injection systems comprises receiving a crankshaft position signal from a crankshaft position sensor. A position of a crankshaft is determined from the crankshaft position signal. Fuel is commanded at a first rate when the position of the crankshaft... Agent: General Motors Corporation Legal Staff

20080060611 - Variable event valvetrain operation during an engine start: A method for improving engine starting for an engine having a variable event valvetrain is described. According to one aspect of the description, valve timing is adjusted during a start to reduce engine emissions and fuel consumption.... Agent: Ford Global Technologies, LLC

20080060612 - Fuel management system for variable ethanol octane enhancement of gasoline engines: Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management microprocessor system controls injection of the anti-knock agent so as to control knock and minimize that amount of the anti-knock... Agent: Choate, Hall & Stewart LLP

20080060613 - Virtual bumper throttle control algorithm: A control system for controlling a throttle of a vehicle during a virtual bumper event is provided. The system includes: an enable module that selectively enables torque reduction based on at least one of a torque reduction request and an object detection signal; a throttle override module that overrides a... Agent: General Motors Corporation Legal Staff

20080060614 - Throttle opening control system and method for internal combustion engine: During a process of increasing the throttle opening when the accelerator pedal is depressed while the vehicle is in a decelerating condition, first throttle opening holding control for holding the throttle opening substantially constant is performed. During the process of increasing the throttle opening after the first throttle opening holding... Agent: Oliff & Berridge, PLC

20080060615 - Internal combustion engine spark timing control system: A method for controlling spark timing in an internal combustion engine. The method includes determining, in response to a knock sensor mounted to the engine, a spark offset to the scheduled spark timing for the engine at relatively low engine speed which is applied to the scheduled spark timing at... Agent: Richard M. Sharkansky

20080060616 - Control system for internal combustion engine: In order that the acceleration mode hydrogen adding rate “RAcc” used during acceleration increases above the hydrogen adding base rate “RBase” predefined according to a particular operating state, the acceleration mode hydrogen adding rate “RAcc” is set to be the value obtained by adding the hydrogen adding base rate “RBase”... Agent: Kenyon & Kenyon LLP

20080060617 - Pressure accumulation-type fuel injection device and internal combustion engine provided with this pressure accumulation-type fuel injection device: A fuel injection start timing is determined based on the engine revolution or the engine load, and a common rail pressure is detected simultaneous to this fuel injection start timing. The fuel injection duration is then calculated based on the detected value of the common rail pressure. By doing this,... Agent: Kratz, Quintos & Hanson, LLP

20080060618 - Vapor separator tank: A vapor separator tank for which the separate connection to a canister is not necessary. The inside of a chassis, made of resin, of the vapor separator tank is divided by a wall into a fuel accumulating chamber and a canister chamber. A communication passage is integrally provided on the... Agent: Staas & Halsey LLP

20080060619 - Fuel vapor generator for enhanced cold starting of an internal combustion engine: A fuel vapor generator disposed in the intake manifold of an internal combustion engine. The vapor generator enriches air passing through the manifold to the individual cylinders to enhance engine starting capability, especially at low ambient temperatures. A dedicated fuel injector dispenses atomized fuel onto the surface of an electrically-heated... Agent: Delphi Technologies, Inc.

20080060620 - Diesel engine conversion to use alternative fuels: A method and apparatus for converting a diesel engine for running on alternative fuels in which the a fuel heater is attached to the stock filter mount and the stock fuel-in and stock fuel-out lines of the stock filter mount carry fuel into the fuel heater and out of it.... Agent: Lawrence S. Cohen

20080060621 - Heated fuel injector for cold starting of ethanol-fueled engines: A fuel injector for heating fuel to be injected into an internal combustion engine. A cylindrical barrel extends between a solenoid and an injection tip for passage of fuel. The outer surface of the barrel supports a suitable circuit pattern formed of an electrically resistive material for generating heat which... Agent: Delphi Technologies, Inc.

20080060623 - Supercharger with gear case cooling fan: A positive displacement supercharger includes a housing having a rotor cavity. A pair of positive displacement rotors carry air from an inlet end to an outlet end of the cavity. A gear case adjacent the rotor cavity drives the rotors. The gear case includes an external surface, and an internal... Agent: General Motors Corporation Legal Staff

20080060622 - Supercharger with housing internal noise attenuation: A positive displacement supercharger includes a housing defining a rotor cavity with a pair of positive displacement rotors operative to carry air axially from an inlet end to an outlet in the cavity wall near an outlet end of the cavity. The outlet communicates with an outlet plenum partially defined... Agent: General Motors Corporation Legal Staff

20080060624 - Alternative left/right bank egr loop operation to improve fouling resistance during low mass flow engine mode: A system for a vehicle, comprising of a diesel engine having an intake system and an exhaust system, a first EGR loop coupled between said intake system and said exhaust system and having a first valve and a first cooler located therein, a second EGR loop coupled between said intake... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20080060625 - Engine and method for operating an engine: A method of operating an engine is provided. The engine may include a housing having a combustion chamber, a piston disposed adjacent the combustion chamber, a crankshaft connected to the piston, an intake valve associated with the combustion chamber, and an exhaust valve associated with the combustion chamber. The method... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080060626 - Fuel selection device: A fuel selection device is provided for allowing a user to connect the cylinders of an internal combustion engine to a user-selected fuel source. The fuel selection device includes a housing that defines a cavity for receiving a moveable selector therein. The selector defining first, second, third and fourth flow... Agent: Boyle Fredrickson S.c.

20080060627 - Optimized fuel management system for direct injection ethanol enhancement of gasoline engines: Fuel management system for enhanced operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder. It is preferred that the direct injection occur after the inlet valve is closed. It is also preferred that stoichiometric operation with a three way catalyst... Agent: Choate, Hall & Stewart LLP

20080053385 - Coolant air bleed structure for water-cooled internal combustion engine and engine incorporating same: A coolant air bleed structure is provided for a water-cooled internal combustion engine having a plurality of cylinders and a cylinder head, formed at upper portion of the cylinders. The cylinder head includes a coolant jacket formed therein. The coolant air bleed structure is disposed in an air bleed hole... Agent: Carrier Blackman And Associates

20080053420 - Variable compression ratio internal combustion engine: An internal combustion engine includes a variable compression ratio mechanism made up of a case-side bearing-forming portion, a block-side bearing-forming portion, and a shaft-shaped drive portion. The case-side bearing-forming portion is formed in an upper portion of a crankcase. The block-side bearing-forming portion extends outward from a lower end portion... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080053386 - Valve timing control apparatus: A valve timing control apparatus includes a driving side rotational member synchronously rotatable with a crankshaft of an internal combustion engine, a driven side rotational member arranged coaxially with the driving side rotational member and synchronously rotatable with a camshaft of the internal combustion engine, a plurality of fluid pressure... Agent: Buchanan, Ingersoll & Rooney PC

20080053387 - Valve mechanism lift adjustment device and method: Rotating drive shaft (11) is connected to a crankshaft and valve cam (13). Valve cam (13) lifts intake and exhaust valves, are linked by a plurality of links (16-18). The amount of lift of intake and exhaust valves is adjusted by adjusting the position of connector pin (22), which passes... Agent: Leffert Jay & Polglaze, P.A.

20080053388 - Springless valve system: A poppet valve actuation system utilizing separate opening and closing cams that press against opening and closing cam followers, respectively. The opening and closing cam followers are linked to each other directly by a tension member so they move in unison. The valve is firmly connected to the opening cam... Agent: Adam K. Sacharoff Much Shelist Freed Denenberg Ament&rubenstein,pc

20080053384 - Piston having diode laser hardened primary compression ring groove and method of making the same: A piston having a head includes a circumferential compression ring groove having a top surface, a bottom surface and an inset rear wall extending between the top surface and the bottom surface, wherein a confined area of the compression ring groove is hardened.... Agent: Mcginn Intellectual Property Law Group, PLLC

20080053389 - Electrically driven camshaft adjuster: Adjustment device (1) for adjusting a relative rotational angle position of a camshaft (3) relative to a crankshaft of an internal combustion engine is provided. The adjusting device includes a crankshaft-fixed drive part (4) and a camshaft-fixed driven part (5). The adjustment device (1) has an adjustment motor (2) as... Agent: Volpe And Koenig, P.C.

20080053390 - Reduced noise engine start-stop system using traditional crank device: An engine starting system that regulates a position of a pinion gear of a starter motor between an engaged position and a disengaged position includes a solenoid pinion armature (SPA) that is coupled to the pinion gear and that is movable between a first position and a second position to... Agent: Christopher Devries Genereal Motors Corporation

20080053391 - Air-intake apparatus: An air-intake apparatus includes a surge tank, a plurality of intake manifolds, a throttle, and a connecting pipe portion. A plurality of cylinders of an internal combustion engine includes a predetermined group of cylinders, a phase difference in combustion timing between which is an integral multiple of a combustion interval... Agent: Nixon & Vanderhye, PC

20080053394 - Intake device of motorcycle: To provide an intake system of a motorcycle, which is capable of attenuating intake noise efficiently, and facilitating arrangement of resonators. An air cleaner includes an air cleaner case having an element and an expansion chamber with an intake passage connected thereto. Intake ducts introduce outside air into the air... Agent: Birch Stewart Kolasch & Birch

20080053392 - Internal combustion engine: To secure enough of an amount of intake air and an increase in a flow rate in a balanced manner to improve a filling efficiency for increasing power in an internal combustion engine. A combustion chamber is formed between a cylinder block and a cylinder head opposite to a top... Agent: Birch Stewart Kolasch & Birch

20080053393 - Calibrated air intake tract for internal combustion engines: A Calibrated Air Intake Tract for Internal Combustion Engine is disclosed. The intake includes a Mass Airflow Sensor section that defines an inner diameter that differs from the diameter of the overall intake air tract piping. The Mass Airflow Sensor length and diameter are precision-tuned in order to provide the... Agent: Karl M. Steins Steins & Associates

20080053395 - Port arrangment for a rotary valve engine: A axial flow rotary valve rotatable within a bore in a cylinder head (9) of an internal combustion engine has a port extending from a peripheral opening (4) to an axial opening at one end of the valve. The peripheral opening (4), which periodically communicates with a combustion chamber (30)... Agent: Birch Stewart Kolasch & Birch

20080053396 - Combination of a cylinder liner and a piston ring: The disclosed is a combination of a cylinder liner and a piston ring which contacts to a inner circumference surface of the cylinder liner at the pressure of 0.03 to 0.2 MPa, wherein the composition of the cylinder liner includes, silicon: 23.0 to 28.0% by weight, magnesium: 0.80 to 2.0%... Agent: Young & Thompson

20080053397 - Mounting structure for supporting a starter motor on an internal combustion engine, and engine including same: A starter-motor mounting structure is provided in a wall of an engine case, in which a front mounting boss is formed in a rear inclined surface of an inclined cylinder block portion that projects from a crankcase. A rear mounting boss is formed in a front wall surface of a... Agent: Carrier, Blackman & Associates, P.C.

20080053398 - Gear crank mechanism for engine: A gear crank mechanism for a reciprocating engine with a cylinder, a piston and a piston rod and having a pair of crank discs for each piston, with a crank pin extending between the two crank discs, in which the crank pin moves around a circular orbit path, and in... Agent: George A. Rolston

20080053399 - Fuel tank system for direct ethanol injection octane boosted gasoline engine: Fuel tank system for a direct ethanol injection octane boosted gasoline engine. The system includes a gasoline engine and a main fuel tank that contains a mix of gasoline and gasoline E85. A smaller secondary tank is provided to contain ethanol or E85. An injector directly injects in a separately... Agent: Choate, Hall & Stewart LLP

20080053400 - Fuel injection controller for internal combustion engine: A fourth cylinder is mounted with a cylinder pressure sensor. The injection timing of the fourth cylinder is operated so as to feedback control the ignition timing of the fourth cylinder, which is detected by the cylinder pressure sensor, to a target ignition timing. The ignition timings of the first... Agent: Nixon & Vanderhye, PC

20080053401 - Throttle device: A throttle device includes a resin throttle body having a bore and a throttle valve placed in the throttle body to open and close the bore. The throttle body is formed of a valve part that includes the throttle valve and a duct part that does not include the throttle... Agent: Oliff & Berridge, PLC

20080053402 - Engine start/stop control for multiple engine ohv based on operating conditions: Operation of a second or additional engine is initiated based on throttle position, vehicle speed and output level of the operating engine or engines. A second or additional engine is stopped based on throttle position and operation of the first engine when the second or additional engine has been idling... Agent: Senniger Powers

20080053403 - Airflow correction learning using electronic throttle control: A correction system and method for an electronic throttle control includes a generator module that generates a learned-correction value corresponding to a first air-learn index. The learned-correction value is used to compensate a throttle position. A correction module writes to a throttle position correction array with the learned-correction value when... Agent: General Motors Corporation Legal Staff

20080053404 - Ignition timing control system for internal combustion engine: An ignition timing control system for an internal combustion engine, which is capable of ensuring both stability of control in a steady operating condition of the engine, and an excellent follow-up property of a controlled variable to a target value in a transient operating condition of the engine, even when... Agent: Squire, Sanders & Dempsey L.L.P.

20080053405 - Combustion control based on a signal from an engine vibration sensor: The invention relates to a method of performing feedback control of the operation of an internal combustion engine based on a signal from a vibration sensor and a crankshaft angle sensor. An energy factor can be computed based on these sensor signals which provides an estimate of the combustion phasing... Agent: Ford Global Technologies, LLC

20080053406 - Compensating for varying fuel and air properties in an ion signal: Presented is a device that provides a correction factor to compensate for varying fuel and air properties in an ion signal sensed in combustion chamber of reciprocating and continuous combustion engines, on a predetermined basis during the combustion of conventional petroleum-based fuels, other alternate fuels, and renewable fuels. The device... Agent: Reinhart Boerner Van Deuren P.C.

20080053407 - Ignition device for an internal combustion engine and method for its operation: An ignition device for a motor unit with an internal combustion engine provided with a piston, a combustion chamber with a spark plug, a crankshaft driven by the piston, an intake port supplying combustion air to the combustion chamber, an exhaust for removing combustion gases from the combustion chamber, a... Agent: Gudrun E. Huckett Draudt

20080053408 - Fuel injection system of internal combustion engine: A fuel injection system deliberately utilizing after injection so as to improve the engine combustion and reduce soot and NOx, wherein at least one operating valve is provided for operating a first injection port group and second injection port group, after injection is performed consecutively after main injection in a... Agent: Oliff & Berridge, PLC

20080053409 - Isolation system for high pressure spark ignition direct injection fuel delivery components: A fuel injector isolation system in a high pressure fuel injection system comprises an isolated fuel rail assembly. At least one cylinder has a cylinder head. A fuel injector is coupled to and in fluid communication with the fuel rail assembly, extends axially through an opening in the cylinder head,... Agent: General Motors Corporation Legal Staff

20080053410 - Fuel injector with pressure balancing valve: A fuel injector device, for injecting fuel into a combustion chamber of an internal combustion engine, has a nozzle valve and nozzle valve control assembly adapted to use a control valve and high pressure fuel in the fuel injector in order to actuate movement of the nozzle valve between an... Agent: Nixon Peabody, LLP

20080053411 - Method for operating an internal combustion engine: A method for operating an internal combustion engine having a first fuel injection system for injecting fuel into a combustion chamber of a cylinder of the internal combustion engine, and having a second fuel injection system for intake manifold injection, an injected fuel mass being corrected for the adaptation of... Agent: Kenyon & Kenyon LLP

20080053412 - Fuel supply systems: The present invention includes a fuel supply system having a fuel pump constructed to pump fuel from a fuel tank and to supply the fuel, a pump controller constructed to control the fuel pump, and a pump controller case constructed to receive the pump controller. The pump controller case includes... Agent: Dennison, Schultz & Macdonald

20080053413 - Sealed fuel tank evaporative emissions control system for small internal combustion engines: The present invention provides an evaporative emissions control system for small internal combustion engines. The fuel tank of the engine includes a filler neck closed by a fuel tank cap which seals the fuel tank in a manner in which air and/or fuel vapors are not permitted to pass between... Agent: Baker & Daniels LLP 111 E. Wayne Street

20080053414 - Rc regulator: The way the R.C. Regulator works is that it lets fuel back into the fuel tank that is not needed. The pressure on the injectors will drop to the minimal. The vehicle may not start on the first start attempt, but will on the second. The R.C. Regulator does not... Agent: Roy A. Carr

20080053415 - Pre-heating fuel for cold start: A method of pre-heating a fuel in an internal combustion engine includes inducing a current in a solenoid coil of a fuel injector of the internal combustion engine and heating the fuel within the fuel injector using heat generated by the current before initiating a combustion cycle of the engine.... Agent: General Motors Corporation Legal Staff

20080053416 - Vapor and liquid fuel injection system: A fuel delivery system and method in an internal combustion engine including directing fuel in thermal contact with an exhaust system of the engine to vaporize the fuel, using liquid fuel when vaporized fuel is not available, and controlling the temperature of the vaporized fuel by mixing vapor and liquid.... Agent: Patent Law & Venture Group

20080053417 - Supercharger drive system: A supercharger drive system that includes a shaft connected to a set of gears; a one-way clutch provided for connection to the shaft; and an actuation controller in communication with the one-way clutch. In an embodiment, the one-way clutch can disengage and rotors or impellers associated with the system are... Agent: Dykema Gossett PLLC

20080053418 - Closed loop egr control method and system using water content measurement: The present invention provides an internal combustion engine system that includes an internal combustion engine system includes an internal combustion engine having an intake manifold fluidly coupled to a compressor adapted to receive ambient air through an air conduit of the engine, a first sensor positioned at least one of... Agent: Baker & Daniels LLP

20080053419 - Low-idle exhaust gas recirculation system: An exhaust recirculation system is provided for reducing NOx emitted from the power source at low-idle speeds. The power source has at least one combustion chamber, an intake manifold, a first exhaust manifold, and a second exhaust manifold. The exhaust recirculation system has a valve located in at least one... Agent: Caterpillar/finnegan, Henderson, L.L.P.