Hydrogen fueled spark ignition engine

Details Hydrogen fueled spark ignition engine Hydrogen fueled spark ignition engine

F - Mech Eng,Light,Heat,Weapons

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F02M 21/02 (2006.01) F01N 3/08 (2006.01) F02D 19/02 (2006.01) F02D 21/08 (2006.01) F02D 41/00 (2006.01) F02D 41/02 (2006.01) F02M 25/06 (2006.01)

Patent

CA 2441714

A hydrogen fueled reciprocating spark ignition engine includes a fuel system for providing gaseous hydrogen to the cylinders of the engine and a lean NOx trap coupled to the engine for treating the engine's exhaust. An EGR system provides recirculated exhaust gas to the engine, and a controller operates the fuel system and EGR system during periodic purging of the lean NOx trap such that the engine is operated fuel rich, with the mass of EGR approximating 40%-80% of the mass of air and fuel.

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