Reverse rotation intake manifold protection system and method

Details Reverse rotation intake manifold protection system and method Reverse rotation intake manifold protection system and method

2006-01-17

2009-06-09

Vo, Hieu T (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S1980DB

Reexamination Certificate

active

07543564

ABSTRACT:
A method of protecting an intake manifold of an engine of a hybrid propulsion system including an electric motor comprises detecting a reverse rotation of an engine. A fuel injector of the engine that is rotating in reverse is commanded to cease operation. A spark plug of the engine that is rotating in reverse is commanded to cease operation. The ceasing of reverse rotation of the engine is then confirmed.

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