Shock absorber mounted electromagnetically operated damper valve

Details Shock absorber mounted electromagnetically operated damper valve Shock absorber mounted electromagnetically operated damper valve

1998-07-24

2000-11-28

Mar, Michael

Brakes

Internal-resistance motion retarder

Motion damped from condition detected outside of retarder

1883191, F16F 934

Patent

active

061522716

ABSTRACT:
A shock absorber mounted electromagnetically operated damper valve which is mounted upon a piston rod and provides a flow path for fluid which bypasses the piston which separates a cylinder of the shock absorber into a pair of fluid containing chambers. The damper valve includes a spool reciprocally mounted within the hollow interior of a housing. A retainer is also received within the hollow interior and includes a restricted orifice which produces a differential pressure across the spool to assist in retaining the spool in a predetermined position in the absence of electromagnetic signal.

REFERENCES:
patent: 4785920 (1988-11-01), Knecht et al.
patent: 4905798 (1990-03-01), Engelsdorf et al.
patent: 5027927 (1991-07-01), Bacardit
patent: 5293970 (1994-03-01), Schneider et al.
patent: 5454452 (1995-10-01), Ohlin
patent: 5657840 (1997-08-01), Lizell
patent: 5690195 (1997-11-01), Kruckemeyer et al.

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