Fuel injection system for internal combustion engine

Details Fuel injection system for internal combustion engine Fuel injection system for internal combustion engine

2006-10-31

2006-10-31

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S456000

Reexamination Certificate

active

07128058

ABSTRACT:
A control valve is constructed as a two-position three-way valve. A switching port of the control valve and a control chamber of a pressure intensifier are connected to the control valve through a reciprocation passage. Fuel pressure in the control chamber is controlled by the control valve. The reciprocation passage is formed of two fuel passages for connecting the switching port of the control valve with the control chamber in parallel. One fuel passage is provided with a check valve for preventing fuel from flowing from the control chamber to the control valve and the other fuel passage is provided with a hydraulic valve for preventing the fuel from flowing from the control valve to the control chamber and a restrictor.

REFERENCES:
patent: 5622152 (1997-04-01), Ishida
patent: 6453875 (2002-09-01), Mahr et al.
patent: 2005/0077378 (2005-04-01), Kropp et al.
patent: 2005/0172935 (2005-08-01), Magel et al.
patent: 2006/0042597 (2006-03-01), Magel
patent: 2003-106235 (2003-04-01), None

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