Device for adjusting a fuel injector electromagnetic metering va

Details Device for adjusting a fuel injector electromagnetic metering va Device for adjusting a fuel injector electromagnetic metering va

1993-12-28

1995-01-17

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112918, 2395853, F16K 3106

Patent

active

053819993

ABSTRACT:
The valve comprises a shutter for the drain conduit of the control chamber of the injector; and an electromagnet having a fixed core, and an armature controlling the shutter and which is normally pushed by a return spring for maintaining the drain conduit closed by the shutter.
The device for adjusting the travel of the armature comprises a plate which is fitted to the body of the injector by means of a sleeve and via the interposition of two sets of calibrated washers. The plate presents a stop element against which is arrested a contact element integral with the armature, for preventing the armature from contacting the core.

REFERENCES:
patent: 4176624 (1979-12-01), Bielecki et al.
patent: 4662567 (1987-05-01), Knapp
patent: 4715332 (1987-12-01), Kreuter
patent: 4905907 (1990-03-01), Ricco
patent: 5085402 (1992-02-01), O'Dell

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