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Class Information
Number: 60/305
Name: Power plants > Internal combustion engine with treatment or handling of exhaust gas > By means producing a chemical reaction of a component of the exhaust gas > Oxidizer feed passage at engine exhaust valve, manifold or port > Distributed to plural individual ports or valves
Description: Apparatus in which oxidizer from a common supply structure is fed separately to the exhaust valves or ports of spaced engine combustion chambers.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7614221 Exhaust purification device and an exhaust purification method of an internal combustion engine Nov. 10, 2009
7596944 Mixing element for an exhaust gas system Oct. 6, 2009
7520127 Exhaust manifold for four-cylinder engine Apr. 21, 2009
7454901 Exhaust system, and engine device and vehicle with the same Nov. 25, 2008
7325396 Exhaust manifold Feb. 5, 2008
7281530 Supercharging system for internal combustion engine Oct. 16, 2007
7243490 4-cycle engine for motorcycle Jul. 17, 2007
7197869 Secondary air supplying structure of internal combustion engine Apr. 3, 2007
7140177 Secondary air supply system and abnormality diagnosis method of secondary air supply system Nov. 28, 2006
7017339 Exhaust system catalyst assembly for a dual crankshaft engine Mar. 28, 2006
6990805 Waste heat recovery device for internal combustion engine Jan. 31, 2006
6964161 Induction exhaust system Nov. 15, 2005
6962049 Exhaust manifold for four-cylinder engine Nov. 8, 2005
6941751 Exhaust muffler and muffler system for use with an internal combustion engine Sep. 13, 2005
6829891 Exhaust emission control device and method of controlling exhaust emission Dec. 14, 2004
6772588 Intake and exhaust control systems for engine Aug. 10, 2004
6745561 Exhaust manifold for vehicle Jun. 8, 2004
6647711 Device for supplying exhaust gases from an internal combustion engine to a catalytic converter Nov. 18, 2003
6546722 Engine exhaust assembly for a motorcycle Apr. 15, 2003
6516613 Exhaust manifold device Feb. 11, 2003
6487854 Exhaust gas system with at least one guide surface and method for applying exhaust gas flows to a honeycomb body Dec. 3, 2002
6474697 Exhaust elbow Nov. 5, 2002
6354078 Device and method for reducing emissions in catalytic converter exhaust systems Mar. 12, 2002
6311483 Apparatus for feeding secondary air to exhaust gas in engine Nov. 6, 2001
6155043 Method for injection duration correction in an internal combustion engine having a secondary-air system Dec. 5, 2000
6041593 Exhaust oxidation Mar. 28, 2000
5832725 Device for reducing air polluting emissions from vehicles Nov. 10, 1998
5768890 Exhaust air rail manifold Jun. 23, 1998
5761904 Air inlet structure for exhaust passage in engine Jun. 9, 1998
5612006 Catalytic converter and phase-spreading spiral muffler assembly Mar. 18, 1997
5609026 Engine NOx reduction Mar. 11, 1997
5572867 Exhaust air rail manifold Nov. 12, 1996
5524434 Internal combustion engine Jun. 11, 1996
5442911 Exhaust gas aftertreatment equipment for an internal combustion engine Aug. 22, 1995
5419125 Exhaust-gas recombustion system May. 30, 1995
5177958 Secondary air injection valve and mounting system for automotive engine Jan. 12, 1993
4873823 Air injection pipe assembly and method of making Oct. 17, 1989
4727717 Exhaust gas cleaning system for multi-cylinder internal combustion engines Mar. 1, 1988
4630439 Exhaust gas afterburner Dec. 23, 1986
4604865 Exhaust system air introduction device Aug. 12, 1986
4454714 Exhaust gas cleaning device for internal combustion engines Jun. 19, 1984
4434615 Exhaust gas cleaning device of internal combustion engines Mar. 6, 1984
4430857 Exhaust gas cleaning system for a V-type internal combustion engine Feb. 14, 1984
4417442 Exhaust gas cleaning system for an internal combustion engine Nov. 29, 1983
4387565 Exhaust gas cleaning system for multi-cylinder internal combustion engine Jun. 14, 1983
4373329 Tubular exhaust manifold Feb. 15, 1983
4372112 Thin-walled exhaust gas manifold casting Feb. 8, 1983
4224792 Internal combustion engine equipped with an improved air injection system Sep. 30, 1980
4198816 Apparatus for preventing after-fire of an internal combustion engine Apr. 22, 1980
4184328 Air cooled exhaust valve Jan. 22, 1980

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