Fuel supply system and method of direct fuel injection engine

Details Fuel supply system and method of direct fuel injection engine Fuel supply system and method of direct fuel injection engine

2006-06-27

2006-06-27

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Starting device

With fuel or intake air control

C123S497000

Reexamination Certificate

active

07066126

ABSTRACT:
To perform fuel injection under fuel pressure as high as needed in an operation range of from cranking to self-sustaining operation via full expansion.A fuel supply fuel system for a direct fuel injection type internal combustion engine is provided with a high-pressure fuel pump to directly inject fuel, which has been pressurized by the high-pressure fuel pump, from injectors into combustion chambers of the engine. An electromotor is arranged to auxilially drive the high-pressure fuel pump At the time of a start-up of the engine, driving of the high-pressure fuel pump or an assist to drive torque for the high-pressure fuel pump is performed by the auxiliary power means.

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