Hydraulic actuator for active ride suspension

Details Hydraulic actuator for active ride suspension Hydraulic actuator for active ride suspension

1987-11-16

1989-05-09

Reger, Duane A.

Spring devices

Vehicle

Comprising compressible fluid

188299, 267 34, 280707, F16F 910

Patent

active

048282294

ABSTRACT:
An oil pressurized telescoping actuator for active ride vehicle suspension having a folded dual piston design with an inner piston stroking within the rod of an outer piston to foreshorten overall length. A special universal joint provided for a larger tolerance so that three bearing surfaces encounter will not encounter binding. The upper mount accommodates the upper end of the actuator with extends therethrough to further foreshorten the unit. The entire unit is jacketed to provide a reservoir connected to a drain line so that leakage oil can be pressurized by a pump into the system for pressurized feed into the actuator for powered expansion and contraction of the actuator for level ride for all vehicle maneuvers.

REFERENCES:
patent: 4620619 (1986-11-01), Emura et al.
patent: 4753328 (1988-06-01), Williams et al.

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