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

2007-04-10

2007-04-10

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

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

C123S1960AB, C210S136000

Reexamination Certificate

active

10905165

ABSTRACT:
Method and arrangement for providing a fuel system for an internal combustion engine (10) that includes a fuel tank (13), a fuel pump (12) and a fuel filter (19) located in a flow duct (14) between the fuel pump and the fuel consumers (11) of the engine. The flow duct (14) includes a valve chamber (20), located downstream of the fuel filter, and having a valve cone (24) movably arranged in the chamber between an upper valve seat (20b) and a lower valve seat (27). The upper part of the valve chamber (20) has an outlet (22) for bleeding to the fuel tank (13). The valve cone (24) is provided with an inner passage (25) with a valve seat (25a) which, under normal fuel pressure, interacts with a bleed cone (26) that is movable in the passage (25).

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