Vibration damper for motor vehicles having an arrangement for va

Details Vibration damper for motor vehicles having an arrangement for va Vibration damper for motor vehicles having an arrangement for va

1986-10-03

1988-06-07

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188311, 188317, 25112905, 280714, B60G 1708

Patent

active

047490691

ABSTRACT:
An arrangement for varying the damping of a suspension component such as a vibration damper, gas spring or hydro-pneumatic suspension. In one embodiment, an electronic system is mounted in association with the cylinder of the suspension component to form a variable damping system which, with the aid of other circuitry, varies the damping system of the piston. A vibration damping system for motor vehicles, in which there is a damping element, which has a work cylinder, is divided into two work chambers by a piston. This cylinder contains a damping medium. There is an electronically-controlled bypass valve disposed parallel to the work cylinder. A desired, variable damping force can thereby be achieved in the decompression and compression stage, between two fixed and specified fundamental curves, by controlling the current sent to an electromagnet. To achieve a damping force at a given piston velocity, the bypass is correspondingly controlled by the electromagnet, by means of a computed pulse width repetition rate.

REFERENCES:
patent: 3219095 (1965-11-01), Nilsson
patent: 3446473 (1969-05-01), Barker
patent: 3476128 (1969-11-01), Barker
patent: 4313465 (1982-02-01), Holzem et al.
patent: 4313529 (1982-02-01), Kato et al.
patent: 4589528 (1986-05-01), Axthammer et al.

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