Hydraulic, adjustable vibration damper and a valve system for a

Details Hydraulic, adjustable vibration damper and a valve system for a Hydraulic, adjustable vibration damper and a valve system for a

1993-11-05

1995-07-25

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

18832219, F16F 9346

Patent

active

054354218

ABSTRACT:
Hydraulic, adjustable vibration damper with a piston fastened to a piston rod, which piston divides a work cylinder into two work chambers filled with damping fluid, whereby at least partly to control the damping force, there is a valve system with at least one electromagnetically activated valve, respectively consisting of a housing, a coil, an armature and a nonreturn body. There is a seal element to prevent the penetration of moisture between the coil, which is encased in a plastic material, and the nonreturn body.

REFERENCES:
patent: 4720078 (1988-01-01), Nakamura
patent: 4960188 (1990-10-01), Wossner
patent: 4988073 (1991-01-01), Cristiani
patent: 5040714 (1991-08-01), McManigal
patent: 5265703 (1993-11-01), Ackermann
patent: 5301776 (1994-04-01), Beck
Handbuch der Dichtungstechnik, Edgar Schmid Grafenau/Wurtt, Expert Verlag, 1981.
Seals and Sealing Handbook-Gulf Publishing Company-pp. 40, 41, 113, 140-143, 156.

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