Brakes – Internal-resistance motion retarder – Controlled by an operator remote from retarder
Patent
1986-02-10
1988-06-28
Kashnikow, Andres
Brakes
Internal-resistance motion retarder
Controlled by an operator remote from retarder
188195, 267 6416, 280707, 280708, F16F 946, B60T 818, B60G 1700, B60G 1126
Patent
active
047533285
ABSTRACT:
A suspension system for a vehicle road wheel comprises a wheel suspension device (1) having a double-acting hydraulic actuator and a gas spring in parallel, the gas spring being controllable to provide a selectively variable offset, a sensor (6,90) arranged to sense load changes experienced by the suspension device and to provide an output dependent thereon, and control assembly (95) responsive to the sensor output to effect adjustment of the hydraulic actuator pending change of the offset of the gas spring to accommodate the load changes. Also disclosed is a damping system for damping movement of a piston (64) within a cylinder, the damping system comprising a valve (80) operable to connect spaces (70,74) within the cylinder at opposite sides of the piston to fluid pressure and/or return lines (84,85) so as to apply selected positive or negative damping to the movement of the piston. The damping system can be incorporated in the suspension system so that the piston (64) of the hydraulic actuator is damped, under control of signals from the control assembly (95) applied to the servo-valve (80 ).
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Williams David A.
Wright Peter G.
Group Lotus PLC
Kashnikow Andres
Oberleitner Robert J.
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