Controllable vibration damper for motor vehicles

Details Controllable vibration damper for motor vehicles Controllable vibration damper for motor vehicles

1998-07-08

2000-09-19

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

18832215, 18832213, 188316, 1882828, B60G 1708, B60G 1308, F16F 918

Patent

active

061198315

ABSTRACT:
A controllable vibration damper for motor vehicles, having a cylinder containing damping fluid, a piston rod entering the cylinder in a sealed manner and arranged axially displaceably therein, and a damping piston which is fastened to the piston rod and divides the cylinder into two working spaces, as well as a damping valve, which is provided with a valve seat and controls the effective cross section of a damping passage of the main stage via an axially displaceable valve body, the valve body being acted on in one direction by a precontrolling device and activated directly in the opposite direction.

REFERENCES:
patent: 4880086 (1989-11-01), Knecht et al.
patent: 5078240 (1992-01-01), Ackermann et al.
patent: 5301776 (1994-04-01), Beck

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