Fuel injection device for a combustion engine

Details Fuel injection device for a combustion engine Fuel injection device for a combustion engine

2006-05-16

2006-05-16

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

C123S456000

Reexamination Certificate

active

07044110

ABSTRACT:
The fuel injection device has a fuel-supply pump that delivers fuel from a fuel tank to a high-pressure pump which delivers fuel to a reservoir connected to at least one injector that injects fuel into the internal combustion engine. A fuel filter is disposed between the fuel-supply pump and the high-pressure pump, wherein a return for fuel from the at least one injector and/or from the reservoir to a low-pressure region is provided. The return is provided with an additional fuel filter and downstream of the fuel filter, the return feeds into the connection between the fuel-supply pump and the high-pressure pump.

REFERENCES:
patent: 4187813 (1980-02-01), Stumpp
patent: 4411239 (1983-10-01), Kelch
patent: 5795995 (1998-08-01), Shimaoka et al.
patent: 6142127 (2000-11-01), Maass
patent: 6234151 (2001-05-01), Eck
patent: 6715469 (2004-04-01), Ishimoto
patent: 6792915 (2004-09-01), Rembold et al.
patent: 2037068 (1995-06-01), None
patent: 1714183 (1992-02-01), None

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