Fuel injection valve with a filter bush

Details Fuel injection valve with a filter bush Fuel injection valve with a filter bush

2006-07-04

2006-07-04

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585300, C239S585400, C239S585500, C239S533110, C239S088000

Reexamination Certificate

active

07070127

ABSTRACT:
A fuel injector for fuel-injection systems of internal combustion engines has a solenoid coil; a valve needle that is mechanically linked to the solenoid coil and acted upon by a restoring spring in a closing direction, in order to actuate a valve-closure member which, together with a valve-seat face, forms a sealing seat; and a sleeve, which prestresses the restoring spring. The sleeve is integrally formed with a filter element to form a one-part, deep-drawn filter sleeve, which has through-flow openings for filtering the fuel flowing through the fuel injector.

REFERENCES:
patent: 5340032 (1994-08-01), Stegmaier et al.
patent: 5692723 (1997-12-01), Baxter et al.
patent: 5921475 (1999-07-01), DeVriese
patent: 6070813 (2000-06-01), Durheim
patent: 6328232 (2001-12-01), Haltiner et al.
patent: 43 25 842 (1995-02-01), None
patent: 197 52 834 (1999-06-01), None
patent: 0 697 064 (1996-02-01), None
patent: 1 072 786 (2001-01-01), None
patent: 62 032 276 (1987-02-01), None

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