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Class Information
Number: 123/568.13
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Exhaust gas used with the combustible mixture (e.g., emission control exhaust gas recirculation (egr) valve) > Having recirculation path formed entirely in the cylinder block or head
Description: Subject matter under subclass










Patents under this class:
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Patent Number Title Of Patent Date Issued
8616173 Engine assembly including modified intake port arrangement Dec. 31, 2013
8567374 Internal combustion engine Oct. 29, 2013
8528530 Diesel engine system and control method for a diesel engine system Sep. 10, 2013
8495992 Controlling exhaust gas flow divided between turbocharging and exhaust gas recirculating Jul. 30, 2013
8443769 Internal combustion engines May. 21, 2013
8439021 EGR system for an internal combustion engine May. 14, 2013
8210157 Exhaust gas recirculation system with unified cylinder head and exhaust gas recirculation device Jul. 3, 2012
8205583 Cylinder charge temperature control for an internal combustion engine Jun. 26, 2012
8186335 Load control mechanism for internal combustion engine May. 29, 2012
8170773 Method for the direct re-entry in the cai operating mode of an internal combustion engine following a pull fuel cut off phase as well as a pertinent control unit May. 1, 2012
8166757 Engine with internal EGR system May. 1, 2012
8122717 Integration of an exhaust air cooler into a turbocharger Feb. 28, 2012
8020525 Cylinder charge temperature control for an internal combustion engine Sep. 20, 2011
7980232 Four stroke internal combustion engine Jul. 19, 2011
7841324 Breathing for an internal combustion engine Nov. 30, 2010
7832384 Exhaust-gas recirculation in an air-cooled internal combustion engine Nov. 16, 2010
7779823 Cylinder charge temperature control for an internal combustion engine Aug. 24, 2010
7765994 Cylinder charge temperature control for an internal combustion engine Aug. 3, 2010
7753037 Engine Jul. 13, 2010
7665429 Swirl-injection type eight-stroke engine Feb. 23, 2010
7559317 Internal combustion engine with single-port holding tank for elevated expansion ratio Jul. 14, 2009
7556027 Internal-combustion engine control method and engine using same Jul. 7, 2009
7556028 Four cycle internal combustion engine and vehicle Jul. 7, 2009
7467624 Exhaust gas recirculation system Dec. 23, 2008
7461640 Cooling system with boiling prevention Dec. 9, 2008
7438063 Exhaust gas recirculation system of vehicle Oct. 21, 2008
7159581 Method of controlling recirculation of the exhaust gas of an internal-combustion supercharged engine and engine using such a method Jan. 9, 2007
7069918 Cylinder head having an internal exhaust gas recirculation passage Jul. 4, 2006
6971378 Cylinder head having an internal exhaust gas recirculation passage Dec. 6, 2005
6964270 Dual mode EGR valve Nov. 15, 2005
6932062 Compression ignition type internal combustion engine Aug. 23, 2005
6915203 Apparatus and method for diagnosis of vehicular system Jul. 5, 2005
6880500 Internal combustion engine system Apr. 19, 2005
6868842 Cylinder head of engine having recirculation chamber Mar. 22, 2005
6769393 Valve system for internal combustion engine Aug. 3, 2004
6758195 System and method for fast exhaust gas recirculation in a combustion chamber Jul. 6, 2004
6752133 Internal combustion engine with exhaust gas recirculation Jun. 22, 2004
6688293 System and method for auto-ignition support Feb. 10, 2004
6615796 Multi-cylinder engine Sep. 9, 2003
6513506 Cylinder head structure in multi-cylinder engine Feb. 4, 2003
6513475 Rotary valve internal combustion engine Feb. 4, 2003
6470865 Engine cylinder head Oct. 29, 2002
6386154 Pumped EGR system May. 14, 2002
6328003 Internal combustion engine with a separately operable additional valve in the cylinder head and method of operating same Dec. 11, 2001
6178933 Controlled self-ignition combustion process and associated four-stroke engine with residual gas storage volume and dedicated valve Jan. 30, 2001
6102014 Exhaust gas recirculation system Aug. 15, 2000
6073600 Stratified charged engine Jun. 13, 2000
RE36500 Internal combustion engine Jan. 18, 2000
5839417 Cast cylinderhead of a multi-cylinder internal combustion engine Nov. 24, 1998
5782226 Method of reducing the harmful emissions of a multicylinder internal combustion engine Jul. 21, 1998

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