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| Number | Title | Issue Date |
| 8186335 | Load control mechanism for internal combustion engine To avoid the generation of a pumping loss, a communication passage is formed as a bypass passage between an exhaust port and a combustion chamber in an internal combustion engine. The communication passage is provided with a one-way valve as an exhaust gas return am... | 05/29/2012 |
| 7980232 | Four stroke internal combustion engine A four stroke internal combustion engine has a gas reserving chamber 100 which communicates with an exhaust port 31 and is configured to reserve burned gas discharged from a combustion chamber. The burned gas flows into the gas reserving chamber 100... | 07/19/2011 |
| 7841324 | Breathing for an internal combustion engine In one aspect of the disclosure an internal combustion engine may be provided that may include a combustion chamber and a piston reciprocally moveable in the combustion chamber. The combustion chamber may have an intake port and a dual function port. The dual functi... | 11/30/2010 |
| 7832384 | Exhaust-gas recirculation in an air-cooled internal combustion engine An internal combustion engine includes a crankcase and a cylinder head which covers a cylinder of the crankcase and in which a fresh-gas channel and an exhaust-gas channel are made which open on a cylinder-head longitudinal side and are connected to in each case a f... | 11/16/2010 |
| 7765994 | Cylinder charge temperature control for an internal combustion engine A method for controlling exhaust gas recirculation is presented. In one embodiment, exhaust gases are routed from the exhaust manifold through a cylinder and into an intake manifold. In some embodiments, the method may be used when a large amount of EGR is desired. | 08/03/2010 |
| 7753037 | Engine The present invention provides an engine capable of increasing an introducing amount of an EGR gas without reducing an introducing amount of a fresh air. In an engine structured to introduce fresh air and an EGR gas into a cylinder, the EGR gas is introduced into th... | 07/13/2010 |
| 7559317 | Internal combustion engine with single-port holding tank for elevated expansion ratio An internal combustion engine, having a cylinder with a translating piston therein, employs a holding tank connecting, via a valve, to the combustion chamber of the cylinder for receipt of a portion of the engine gasses expelled during a compression stroke for provi... | 07/14/2009 |
| 7556028 | Four cycle internal combustion engine and vehicle A four-cycle internal combustion engine is constructed such that a structure around a cylinder head is not complicated even though the engine has a plurality of cylinders, fuel consumption is improved, and nitrogen oxides are reduced. The engine has cylinder-sided p... | 07/07/2009 |
| 7556027 | Internal-combustion engine control method and engine using same The present invention relates to a method of controlling an internal-combustion engine comprising at least one cylinder (10) with at least one burnt gas exhaust means (12) including an exhaust valve (16) whose opening/closing is controlled by co... | 07/07/2009 |
| 7467624 | Exhaust gas recirculation system To prevent inflow of condensed water to an exhaust gas recirculation (EGR) valve, an exhaust gas recirculation system includes a first gas passage, an exhaust gas recirculation valve connected to the first gas passage and selectively opening/closing the first gas pa... | 12/23/2008 |
| 7438063 | Exhaust gas recirculation system of vehicle An exhaust gas recirculation system. A water jacket in a cylinder block is configured for coolant to flow therein. A cylinder head is attached to the cylinder block. A cylinder is disposed in the cylinder block and the cylinder head. An intake manifold runner is con... | 10/21/2008 |
| 7367294 | Cylinder head with integral tuned exhaust manifold Provided is a cylinder head including a head casting defining a plurality of exhaust ports. A tuned exhaust manifold is internally defined by the head casting. The tuned exhaust manifold includes a plurality of exhaust runners in communication with the plurality of ... | 05/06/2008 |
| 7249556 | Compressor with fortified piston channel A compressor is disclosed generally comprising a cylinder head mounted to a cylinder block having a cooling chamber and a piston channel via a bolt. A piston is disposed in the piston channel and has a contact portion that contacts the channel wall, which is integra... | 07/31/2007 |
| 7159581 | Method of controlling recirculation of the exhaust gas of an internal-combustion supercharged engine and engine using such a method The present invention relates to a method of controlling recirculation of part of the exhaust gas of an internal-combustion supercharged engine with a combustion cycle during which at least one cylinder (10) of the engine is in the intake phase simultaneously... | 01/09/2007 |
| 7150273 | Exhaust manifold arrangement A passageway is provided between branches of a multi-branch exhaust manifold to reduce the amount of backflow (iEGR) into the cylinders at low engine speeds. The passage is located upstream of the turbocharger and can be at the part of the manifold where the branche... | 12/19/2006 |
| 7128062 | Method for mid load operation of auto-ignition combustion A method is disclosed for expanding the mid load range of a four-stroke gasoline direct-injection controlled auto-ignition combustion engine. The engine includes at least one cylinder containing a piston reciprocably connected with a crank and defining a variable vo... | 10/31/2006 |
| 7069918 | Cylinder head having an internal exhaust gas recirculation passage The present invention relates to an internal combustion engine cylinder head having an exhaust gas recirculation passage formed therein. The exhaust gas recirculation passage extending along the length of the cylinder head casting and disposed in a heat transfer rel... | 07/04/2006 |
| 7051700 | Internal combustion engine and control device for the internal combustion engine Disclosed is an internal combustion engine in which it is possible to provide, from the exhaust stroke to the intake stroke, a period T during which both an intake valve (14) and an exhaust valve (15) remain closed, the internal combustion engine being... | 05/30/2006 |
| 7051685 | Cylinder head with integrated exhaust manifold A cylinder head for an internal combustion engine (ICE) includes a lower cooling jacket, an upper cooling jacket and an exhaust manifold disposed therebetween. The exhaust manifold enables exhaust of combustion gas from cylinders of the ICE. The lower cooling jacket... | 05/30/2006 |
| 6971378 | Cylinder head having an internal exhaust gas recirculation passage The present invention relates to an internal combustion engine cylinder head having an exhaust gas recirculation passage formed therein. The exhaust gas recirculation passage extending along the length of the cylinder head casting and disposed in a heat transfer rel... | 12/06/2005 |
| 6966295 | Compression ignition internal combustion engine A compression ignition internal combustion engine in which the temperature and pressure in the combustion chamber are increased to self-ignite an air-fuel mixture with the compressive operation of a piston after closing of the intake valve. An ECU [1] control... | 11/22/2005 |
| 6964270 | Dual mode EGR valve A preferred embodiment EGR valve permits exhaust gas to be induced into the intake line downstream of the compressor, while minimizing the need to reduce the size of the turbocharger. The preferred embodiment EGR valve exploits variations around the mean pressure in... | 11/15/2005 |
| 6945211 | Cylinder head of an internal combustion engine In a cylinder head of an internal combustion engine, a plug hole for mounting an ignition plug is formed along a cylinder axis and an intake port and an exhaust port are respectively formed at both sides of the plug hole while sandwiching the cylinder axis therebetw... | 09/20/2005 |
| 6932062 | Compression ignition type internal combustion engine A compression ignition internal combustion engine according to the present invention includes: at least one combustion chamber; an intake passage and an exhaust passage connected to the combustion chamber, respectively; intake valve provided at a position along the ... | 08/23/2005 |
| 6915203 | Apparatus and method for diagnosis of vehicular system An engine control system has a self-diagnosis function of an exhaust system. The self-diagnosis function includes a first mode for detecting a failure or abnormality of the exhaust system as a whole, and a second mode for determining and locating a specific failed c... | 07/05/2005 |
| 6880500 | Internal combustion engine system Cylinders of an internal combustion engine are provided with an exhaust port that is opened when the piston approaches bottom dead center. Exhaust in the cylinder at the end of the power stroke flows to an EGR tank for containment and cooling. During the intake stro... | 04/19/2005 |
| 6868842 | Cylinder head of engine having recirculation chamber A cylinder head of an engine has a body, at least one recirculation chamber, and a flow control system. The body defines at least one orifice, and the recirculation chamber is in fluid communication with the at least one orifice. The flow control system has an inlet... | 03/22/2005 |
| 6769393 | Valve system for internal combustion engine A valve system for an engine is provided. The valve system includes a cylinder head that defines an intake passageway, an exhaust passageway, and an auxiliary passageway. The auxiliary passageway includes a first connection with the intake passageway and a second co... | 08/03/2004 |
| 6758195 | System and method for fast exhaust gas recirculation in a combustion chamber An exhaust gas recirculation system includes a combustion chamber having at least one intake port in communication with the combustion chamber and a corresponding intake valve for controlling a flow through the intake port into the combustion chamber. The combustion... | 07/06/2004 |
| 6752133 | Internal combustion engine with exhaust gas recirculation Multi-cylinder internal combustion engine having at least one cylinder row (10) with an intake side (10a) and an exhaust side (10b). The intake side includes an intake manifold (16), and the exhaust side includes at least on... | 06/22/2004 |
| 6688293 | System and method for auto-ignition support An internal combustion engine includes a cylinder including at least one intake valve which is selectively open to allow at least air to enter the cylinder and at least one exhaust valve which is selectively open to allow residual gas escape from the cyli... | 02/10/2004 |
| 6615796 | Multi-cylinder engine In multi-cylinder engine in which an intake valve and a first spark plug arranged side by side along an axis of a camshaft and an exhaust valve and a second spark plug arranged side by side along the axis of the camshaft are disposed in a cylinder head fo... | 09/09/2003 |
| 6513475 | Rotary valve internal combustion engine An engine comprises an engine block having at least one combustion chamber and a rotary valve rotatably mounted on top of the engine block. The rotary valve includes an intake passage for diverting air into the combustion chamber and an exhaust passage fo... | 02/04/2003 |
| 6513506 | Cylinder head structure in multi-cylinder engine A collecting exhaust port 18 provided in a, cylinder head 12 is comprised of exhaust port sections 46 extending from exhaust valve bores 35 in cylinders 14, and an exhaust collecting section 47 in which the exhaust port sections 46 are collected. The cyli... | 02/04/2003 |
| 6470865 | Engine cylinder head An engine cylinder head in which a water jacket and an EGR passage are formed therein, the EGR passage opening into an exhaust passage at one end and opening into a side of an intake side at the other end thereof, the engine cylinder being characterized i... | 10/29/2002 |
| 6386154 | Pumped EGR system An exhaust gas recirculation system for an internal combustion engine includes an exhaust manifold and at least one exhaust flow control valve located between the engine and the exhaust manifold. The exhaust flow control valve diverts a portion of the exh... | 05/14/2002 |
| 6328003 | Internal combustion engine with a separately operable additional valve in the cylinder head and method of operating same A multi-cylinder internal combustion engine is provided which includes an exhaust gas driven turbocharger. Each cylinder includes at least one inlet port controllable by an inlet valve, at least one outlet port controlled by an outlet valve, and at least ... | 12/11/2001 |
| 6178933 | Controlled self-ignition combustion process and associated four-stroke engine with residual gas storage volume and dedicated valve The present invention relates to a self-ignition combustion process in a four-stroke internal-combustion engine comprising at least one cylinder (1) having at least a first intake (2) and at least a first exhaust. The process according to the invention, a... | 01/30/2001 |
| 6102014 | Exhaust gas recirculation system Past exhaust emission control systems have required additional add on or hang on components. The present exhaust emission recirculation system reduces the emissions emitted from an engine. The present exhaust emission recirculation system is comprised of ... | 08/15/2000 |
| 6073600 | Stratified charged engine A stratified charge internal combustion engine comprises at least one cylinder having at least one intake valve 14 per cylinder, and two manifolds 24, 34 having branches 22, 32 supplying first and second gas streams to at least one intake valve of each cy... | 06/13/2000 |
