Damper for a hydropneumatic suspension element of a vehicle, and

Details Damper for a hydropneumatic suspension element of a vehicle, and Damper for a hydropneumatic suspension element of a vehicle, and

1989-02-24

1990-10-23

Butler, Douglas C.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

18832214, B60G 1708, F16F 946, F16F 950

Patent

active

049644920

ABSTRACT:
The damper comprises a fixed body (1A, 1B) provided with ports (3, 4) for the passage of hydraulic fluid, stacks (7) of flexible washers disposed in rigid deflectors (8) placed on each side of the body (1A, 1B) in facing relation to the ports (3, 4) and recesses and tubular inserts (5, 6) for allowing the passage of the fluid in only one direction for some ports (3) and in the opposite direction for the other ports (4). A disc (9) provided with at least two series of orifices (11, 12) having different diameters is disposed in the body. The orifices are arranged to be capable of coming into confronting relation with the ports (3, 4) of the body. The disc (9) is rotated through a given angle so as to place one of the series of orifices of the disc (9) in correspondence with the ports (3, 4) of the body. This arrangement permits adjusting the degree of damping so as to obtain the desired hardness or softness for the suspension in accordance with the utilization of the vehicle.

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Patent Abstract of Japan, vol. 9, No. 316 (M-438) [2039], Dec. 12, 1985.
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