Fuel injection system

Details Fuel injection system Fuel injection system

2007-10-23

2007-10-23

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

C417S397000, C239S533200

Reexamination Certificate

active

11603989

ABSTRACT:
A fuel injection system includes (i) an injector for injecting gaseous fuel and liquid fuel into a cylinder of an internal combustion engine, (ii) a gaseous fuel supplying unit having a gaseous feel tank as a first high-pressure accumulating source for pressurizing gaseous fuel, (iii) a liquid fuel supplying unit having a common rail as a second high-pressure accumulating source for pressurizing liquid fuel; (iv) a fuel pump as a pressure feeding unit that pressure feeds liquid fuel to the common rail; and (v) a compressor as a pressure increasing unit, which is operated under pressure of the pressurized gaseous fuel to increase pressure of liquid fuel pressure fed from the fuel pump.

REFERENCES:
patent: 4682712 (1987-07-01), Bohnensieker
patent: 2006/0081722 (2006-04-01), Kato et al.
patent: 63-4365 (1988-12-01), None
patent: 1-88054 (1989-09-01), None
patent: 2003-232234 (2003-08-01), None

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