Adjustable vibration dampers for motor vehicles

Details Adjustable vibration dampers for motor vehicles Adjustable vibration dampers for motor vehicles

1989-02-08

1991-01-22

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188313, 188318, 188319, F16F 946, F16F 500

Patent

active

049863932

ABSTRACT:
An adjustable vibration damper is for a motor vehicle or the like. The vibration damper includes a cylinder containing a damping medium. A piston is disposed within the cylinder for movement of the damping medium. A valve device is connected to the cylinder for flow of the damping medium therethrough. The valve device has at least a first damping element and a second damping element. The first damping element includes a first compression valve assembly and a first decompression valve assembly. The second damping element includes a second compression valve assembly and a second decompression valve assembly. The first compression valve assembly, the first decompression valve assembly, the second compression valve assembly, and the second decompression valve assembly have respective damping characteristics. There is included switching apparatus for selectively switching to at least one of the first and the second damping elements to select the respective damping characteristics thereof.

REFERENCES:
patent: 2061068 (1936-11-01), Fuchs
patent: 3877347 (1975-04-01), Sheesley et al.
patent: 4671392 (1987-06-01), Woesner
patent: 4723640 (1988-02-01), Beck
patent: 4802561 (1989-02-01), Knecht et al.

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