Gaseous fuel direct injection system for internal combustion eng

Details Gaseous fuel direct injection system for internal combustion eng Gaseous fuel direct injection system for internal combustion eng

1996-08-19

1999-08-24

Yuen, Henry C.

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

123298, 123480, 123527, F02B 708, F02B 4300, F02M 2100

Patent

active

059412100

ABSTRACT:
A gaseous fuel direct injection fuel system for a spark ignited internal combustion engine having an inlet port for admitting combustion air into a combustion chamber of the engine, the direction injection system including at least one fuel injector for directly injecting gaseous fuel into the combustion chamber, and means for supplying gaseous fuel to the fuel injector, a quantity of gaseous fuel being injected into the combustion chamber by the fuel injector, wherein at least at some operating condition thereof, the injection of the gaseous fuel is initiated after the closing of the inlet port, and wherein the injection of the gaseous fuel is completed before the compression stroke of the engine is substantially completed.

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