Brakes – Internal-resistance motion retarder – Controlled by an operator remote from retarder
Patent
1988-03-01
1989-05-30
Butler, Douglas C.
Brakes
Internal-resistance motion retarder
Controlled by an operator remote from retarder
188269, 188281, 188314, 188315, 188318, 18832214, 267122, 267 6415, 267 6423, 280708, 280714, B60G 1512, B60G 1708, F16F 950
Patent
active
048340880
ABSTRACT:
A shock absorber for vehicles with pneumatic suspension, particularly for use with heavy vehicles, of the type comprising a cylinder, a rod movable axially in the cylinder, a piston carried by the rod and dividing the cylinder into a cylindrical chamber and an annular chamber, a pressurized fluid filling the cylindrical and annular chambers, a first circuit for allowing the fluid to flow from the annular chamber to the cylindrical chamber when the shock absorber is working under extension, a second circuit for allowing the fluid to flow from the cylindrical chamber to the annular chamber when the shock absorber is working under compression, a pressurized fluid reservoir connectable to the cylindrical and annular chambers and flow regulators mounted in the first and second circuits, the flow regulators being controlled by the fluid pressure against the action of the pressure of the compressed air of the pneumatic suspension of the vehicle.
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Butler Douglas C.
Jimecal
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