Fuel injector for internal combustion engine

Details Fuel injector for internal combustion engine Fuel injector for internal combustion engine

2006-03-21

2006-03-21

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Having a single combustible mixture inlet combined with...

C123S510000

Reexamination Certificate

active

07013872

ABSTRACT:
A fuel injector for an internal combustion engine including an in-cylinder fuel injection valve and an intake port fuel injection valve. An ECU controls an electromagnetic valve to keep a fuel inlet of a high pressure pump closed during an intake port injection mode during which fuel is injected only from an intake port fuel injection valve. As a result, even if the plunger reciprocates in the high pressure pump, fuel does not flow between the high pressure pump and a low pressure fuel path. Thus, pressure pulsation that would be caused by the operation of the high pressure pump does not occur in low pressure fuel.

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