Hydrogen fueled spark ignition engine

Details Hydrogen fueled spark ignition engine Hydrogen fueled spark ignition engine

2006-06-13

2006-06-13

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

C060S274000, C060S285000, C060S297000, C123S003000, C123SDIG012, C123S568110, C123S568190

Reexamination Certificate

active

07059114

ABSTRACT:
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. A controller determines when to purge the lean NOx trap and provides gaseous hydrogen to the lean NOx trap during purging by operating the engine fuel rich or injecting hydrogen upstream of the lean NOx trap.

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