Armature bounce damper

Details Armature bounce damper Armature bounce damper

1992-03-11

1993-08-17

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112915, 251118, 2395854, 2395853, F16K 3106

Patent

active

052361730

ABSTRACT:
An armature moves in a first and a second direction for causing a needle valve to contact and separate from a valve seat. A stop is situated to provide a motion stop in at least the first direction. Damping is provided for damping the motion of the armature by dissipating energy from a collision of the armature with the stop. The energy dissipation is accomplished by using a spring or washer to hold the needle valve against the valve seat to prevent unwanted fuel seepage to an engine.

REFERENCES:
patent: 3004720 (1961-10-01), Knapp et al.
patent: 4529165 (1985-07-01), Lehrach
patent: 4817914 (1989-04-01), Pick et al.
patent: 4923169 (1990-05-01), Grieb et al.
patent: 5114077 (1992-05-01), Cerny
patent: 5123626 (1992-06-01), Schlagmuller et al.

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