Controllable vibration dampers for motor vehicles

Details Controllable vibration dampers for motor vehicles Controllable vibration dampers for motor vehicles

1990-04-09

1992-01-07

Graham, Matthew C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188282, 18832215, B60G 1708

Patent

active

050782410

ABSTRACT:
Controllable vibration dampers for motor vehicles that include a cylinder which contains a damping medium and an axially movable piston rod sealed and submerged in the medium. A damping piston is attached to the piston rod and subdivides the cylinder into a two work chambers. A hollow piston is provided with at least one valve disc which is movable within the piston. The disc moves into and out of engagement with ledge or edge structures provided within the piston when a dampening medium is directed against and past the disc.

REFERENCES:
patent: 3256960 (1966-06-01), Casimir
patent: 3312312 (1967-04-01), Bourcier De Carbon
patent: 3837445 (1974-09-01), Pierle
patent: 4535877 (1985-08-01), Shimokura
patent: 4570095 (1986-02-01), Uchikawa
patent: 4577840 (1986-03-01), Meller et al.
patent: 4729459 (1988-03-01), Inasaki et al.
patent: 4802561 (1989-02-01), Knecht et al.
patent: 4834222 (1989-05-01), Kato et al.
patent: 4874980 (1989-10-01), Mine et al.
patent: 4880086 (1989-11-01), Knecht et al.

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