Fuel injection system for an internal combustion engine

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

2006-10-31

2006-10-31

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S510000

Reexamination Certificate

active

07128054

ABSTRACT:
The fuel injection system has a high-pressure pump, by which fuel is pumped at high pressure into a reservoir. By means of a feed pump, fuel is pumped from a fuel tank to the high-pressure pump. By means of a fuel metering device, disposed between the feed pump and the high-pressure pump, the inflow of fuel to the high-pressure pump is adjusted. From the connection between the feed pump and the fuel metering device, a bypass connection leads away to a relief region. An inflow of fuel from the feed pump to the fuel metering device and/or to the bypass connection is effected through at least one conduit in a housing part, and in the at least one conduit, at least one fuel filter is disposed upstream of the fuel metering device and/or of the bypass connection.

REFERENCES:
patent: 4643155 (1987-02-01), O'Neill
patent: 4884545 (1989-12-01), Mathis
patent: 5884606 (1999-03-01), Kellner et al.
patent: 5971718 (1999-10-01), Krueger et al.
patent: 6142747 (2000-11-01), Rosenau et al.
patent: 6253734 (2001-07-01), Rembold et al.
patent: 6976473 (2005-12-01), Boos et al.
patent: 2004/0155120 (2004-08-01), Boos et al.

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