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| Number | Title | Issue Date |
| 7980220 | Staggered intake valve opening with bifurcated port to eliminate hydrogen intake backfire A method is described for operating a gaseous fueled engine, where gaseous fuel and intake air are delivered to a first intake port of a cylinder of the engine and intake air without gaseous fuel is delivered to a second intake port of the cylinder, the first port s... | 07/19/2011 |
| 7958869 | Internal combustion engine with mixed camshafts and method for operating an internal combustion engine An internal combustion engine which operates in accordance with an auto-ignition principle includes at least one working cylinder, at least two inlet valves per working cylinder and at least one outlet valve per working cylinder. The internal combustion engine has a... | 06/14/2011 |
| 7942129 | Method of controlling a spark-ignition supercharged internal-combustion engine, notably of gasoline type The present invention relates to a method of controlling a spark-ignition supercharged internal-combustion engine, notably of gasoline type, comprising at least one cylinder (12) with a combustion chamber (14), at least two intake means (24, 26)... | 05/17/2011 |
| 7730874 | Method for controlling a supercharged engine, particularly an indirect injection engine, and engine using such a method A method for controlling a supercharged engine, that includes determining an overlap of valves by opening a supercharged non-fuel-containing air inlet valve and closing an exhaust valve before the exhaust phase of an engine cylinder and in the vicinity of the top de... | 06/08/2010 |
| 7673617 | Indirect-injection internal-combustion engine, notably spark-ignition supercharged engine, with two intake means for carrying out a burnt gas scavenging stage The invention relates to an internal-combustion engine, notably an indirect-injection supercharged engine, that can run with a burnt gas scavenging stage, comprising at least a cylinder (10) including a combustion chamber (12), non-carbureted air intak... | 03/09/2010 |
| 7647916 | Engine with two port fuel injectors A system for an engine, comprising of a cylinder located in the engine, a first port injector for injecting a first fuel into said cylinder, and a second injector outside said cylinder for injecting a second fuel into said cylinder. ... | 01/19/2010 |
| 7584744 | Internal-combustion and burnt gas scavenging supercharged engine with at least two intake means The present invention relates to an indirect-injection internal-combustion engine, notably a supercharged engine, in particular of spark-ignition type, that can run according to a burnt gas scavenging mode or to a conventional mode, comprising at least one cylinder ... | 09/08/2009 |
| 7565897 | Internal combustion engine In an internal combustion engine includes an intake valve port that opens into a combustion chamber on one side of a plane containing the axis of a cylinder bore. An exhaust valve port opens into the combustion chamber on the other side of the plane. A spark plug ha... | 07/28/2009 |
| 7493891 | Internal combustion engine An internal combustion engine is provided that includes a combustion chamber; a secondary air passage located above the combustion chamber; an exhaust passage that communicates with the combustion chamber; and a water jacket that is located between the exhaust passa... | 02/24/2009 |
| 7448359 | Multi-mode internal combustion engine A method of operating an engine having at least one cylinder, the method comprising of directing a first air stream to an intake valve of the cylinder; directing a second, separate air stream to a second intake valve of the cylinder, said second air stream at a high... | 11/11/2008 |
| 7442457 | Fuel cell system with compressor and also a method for operating such a fuel cell system A fuel cell system comprising a plurality of fuel cells combined together to form a fuel cell stack, with the fuel cell stack having an anode side with an inlet for a fuel and an outlet for non-consumed fuel and exhaust gases arising at the anode side as well as a c... | 10/28/2008 |
| 7434564 | Internal combustion engine A cylinder head for an internal combustion engine wherein intake openings to the cylinder are partly surrounded by a mask formed by a material projection of the top face of the combustion chamber, a contour of the mask having a flat main section of maximum height be... | 10/14/2008 |
| 7409944 | Intake structure for internal combustion engine An intake structure for internal combustion engine includes an intake passage which is communicated with a combustion chamber of the internal combustion engine and through which air to be supplied to the combustion chamber flows; and a valve which is provided in the... | 08/12/2008 |
| 7373923 | 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. ... | 05/20/2008 |
| 7341053 | Combustion chamber structure of an internal combustion engine A squish surface having the shape of a plane surface orthogonal to the axis of a piston is formed on the intake side of the piston top surface. A squish area is formed between the squish surface and a plane surface-shaped squish surface on the cylinder head side, an... | 03/11/2008 |
| 7334564 | Throttle and inlet valves for 8 stroke and 4 stroke engines A ‘Blackburn Cycle’ or 8 stroke and 4 stroke cycle change piston engine has a separate fuel/air inlet duct and valve in a cylinder where the throttle means admits a small volume, namely less than 10% of the cylinder capacity, needed for a low idling speed. A sep... | 02/26/2008 |
| 7325534 | Supplemental internal air cooling of an internal combustion engine A method for providing supplemental internal air cooling to a multi-cylinder internal combustion engine. The method involves deactivating the fuel injector to one cylinder for a predetermined time period or temperature decrease, based upon engine operating condition... | 02/05/2008 |
| 7322333 | Internal combustion engine air intake structure An air intake structure is provided with an air intake control valve disposed in the air intake passage. The air intake control valve has a valve element pivotally mounted at one end adjacent to a passage wall of the air intake passage. The air intake control valve ... | 01/29/2008 |
| 7320297 | Internal combustion engine There is provided an internal combustion engine that uses a blended fuel consisting of hydrocarbon and alcohol, and can efficiently operate relative to a wide range of required load. The internal combustion engine includes: intake ports 4a and 4... | 01/22/2008 |
| 7287513 | Method for controlling the intake valves of an internal combustion engine The invention relates to a method for controlling the opening and closing of the intake valves of an internal combustion engine with a direct fuel injection system, comprising at least one first intake valve and a second intake valve per cylinder, wherein each valve... | 10/30/2007 |
| 7287521 | System and method for improved engine starting using heated intake air A system for an internal combustion engine, the engine having an intake and exhaust manifold, the system comprising of a heat exchanger configured to extract energy from engine exhaust gases; a catalyst coupled between said heat exchanger and the exhaust manifold of... | 10/30/2007 |
| 7281527 | Internal combustion engine and working cycle The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustio... | 10/16/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7273032 | Engine induction system An induction system for a multi valve engine that facilitates operation in a lean burn mode over a large range of speeds and loads by employing a smaller cross sectional branch passages in several induction passages serving a common combustion chamber and a valve ar... | 09/25/2007 |
| 7258104 | Method and apparatus for controlling operation of dual mode HCCI engines An intake and exhaust system for a dual mode HCCI engine, which provides superior intake temperature control and homogeneity for engine operation in SI and HCCI modes, as well as during transition between SI and HCCI modes and vice-versa. The system includes adjuste... | 08/21/2007 |
| 7258093 | Concave combustion chamber An internal combustion engine is provided with a roughly concave cylinder head, wherein a ridge descends into the combustion chamber. A first wall is formed from the ridge to a cylinder periphery to form a seat for an air intake valve. A second wall is formed from t... | 08/21/2007 |
| 7258100 | Internal combustion engine control A method for controlling the output of an internal combustion engine includes opening an intake valve on a cylinder; receiving air from an intake manifold into the cylinder during an intake stroke of a piston in the cylinder; returning excess air from the cylinder b... | 08/21/2007 |
| 7255066 | Valve selection for an engine operating in a multi-stroke cylinder mode A method to control valve patterns in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve drivability and emissions. ... | 08/14/2007 |
| 7252069 | Gas fuel engine and control method for the same In a gas fuel engine, a first air-fuel mixture having a local excess air factor λ not less than 2 is combusted (a first combustion). When a target torque is not sufficiently obtained by the first combustion, a fuel is directly injected into a combustion chamber to ... | 08/07/2007 |
| 7249587 | Air-intake device of engine for leisure vehicle and engine An air-intake device of an engine for a leisure vehicle, in which at least two air-intake passages are arranged within an engine body of the engine, is disclosed, including an air-intake pipe through which fresh air is supplied to the at least two air-intake passage... | 07/31/2007 |
| 7240664 | Variable valve type internal combustion engine and control method thereof The operation modes of plural intake valves 7a and 7b provided in one cylinder is independently changed according to the drive region of the internal combustion engine. In the low air amount region, the intake airflow is controlled only w... | 07/10/2007 |
| 7237534 | Vehicle A vehicle is capable of improving layout flexibility for a fuel injector to an intake passage and preventing fuel from sticking to the inner wall surface of the intake passage. The vehicle includes an engine, an intake passage arranged to supply air to the engine, a... | 07/03/2007 |
| 7235034 | Method for controlling the adjustment of the valves in a combustion engine with variable valves and a vehicle with such an engine with electronic controlling device for the valve control Method and arrangement for providing a vehicle having a combustion engine (1) with valves (7, 8) adapted to have variable valve timing and/or valve lift height. The valves are provided with operating devices (9,10) that are controlled by electro... | 06/26/2007 |
| 7204235 | Method of managing engine torque upon loss of engine coolant An engine torque management system of a V-style engine utilizes a cylinder head metal temperature sensor in each cylinder head to detect a temperature. When the sensor temperature rises above a threshold value for a particular time period, the response software shut... | 04/17/2007 |
| 7198032 | Structure of fuel supply pipe in throttle body comprising two fuel injection valves An improved fuel supply pipe in a multiple throttle body comprising two fuel injection valves comprises a first fuel supply pipe 1 having a first one side inserting pipe 1c, a first another side inserting pipe 1d and a fuel flow-in... | 04/03/2007 |
| 7198026 | Divider plate for an inlet port, sand core for forming an inlet port, and cylinder head A divider plate for two or more inlet ports provided in a cylinder head of an internal-combustion engine comprises divider portions that divides inside of the two or more inlet ports along an intake air flow, a side cast-in insert portion provided on at least one si... | 04/03/2007 |
| 7194987 | Internal combustion engine driven with change-over of compression ratio, air-fuel ratio, and boost status With an increase in torque demand, the internal combustion engine of the invention successively changes over a combination of a compression ratio, an air-fuel ratio, and a boost status of an air-fuel mixture from (1) settings of a high compression ratio, a lean air-... | 03/27/2007 |
| 7195000 | Fuel injector designed to optimize pattern of fuel spray A fuel injector for an internal combustion engine which has a spray hole designed geometrically to produce a spray of fuel so that substantially 70% or more of an amount of the spray hits a preselected area of a head of an intake valve of the engine when the intake ... | 03/27/2007 |
| 7188587 | Methods for operating a compression ignition engine A method of operating a compression ignition engine is disclosed. The method comprises, introducing an enriching component into a combustion chamber during an intake stroke, igniting the enriching component during the compression stroke, introducing a main injection... | 03/13/2007 |
| 7185615 | Variable stroke engine A variable stroke engine includes a connecting rod having one end thereof connected to a piston via a piston pin. A sub-rod is connected to a crankshaft via a crankpin and to the other end of the connecting rod. A control rod has one end thereof connected to the sub... | 03/06/2007 |
