Hydraulic actuator for leveling system

Details Hydraulic actuator for leveling system Hydraulic actuator for leveling system

1990-12-11

1992-11-17

Peters, Jr., Joseph F.

Spring devices

Vehicle

Comprising compressible fluid

267 6417, 267DIG2, B60G 1700, B60G 17015

Patent

active

051636590

ABSTRACT:
A hydraulic actuator including a pressure cylinder forming a working chamber having first and second portions operable to store damping fluid. The hydraulic actuator further includes a piston disposed within the pressure cylinder between the first and second portions of the working chamber, and a piston rod for supporting the piston in the pressure cylinder. In addition, the hydraulic actuator includes a reservoir for storing damping fluid as well as a pump at least partially disposed within the hydraulic actuator for pumping damping fluid from the reservoir to the working chamber.

REFERENCES:
patent: 3799528 (1974-03-01), Allinquant et al.
patent: 4105194 (1978-08-01), Smeltzer et al.
patent: 4200269 (1980-04-01), Ludwig
patent: 4593658 (1986-06-01), Moloney
patent: 4726741 (1988-02-01), Cusack

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