Hydraulic assist propulsion apparatus for vehicle drive

Details Hydraulic assist propulsion apparatus for vehicle drive Hydraulic assist propulsion apparatus for vehicle drive

1994-11-14

1996-08-06

Nguyen, Hoang

Motors: expansible chamber type

Rotary and reciprocating working members

92136, 417415, 180305, F01B 1300, F04B 1700

Patent

active

055423353

ABSTRACT:
The field of the invention is one in which an electric motor drives a helically grooved shaft to displace a hydraulic fluid pumping piston to feed the hydraulic fluid under pressure through a flow directing and control system to energize the motion of a piston on a helically grooved second shaft to drive the second shaft which is able to supply the motion power to drive a vehicle, or to provide power to drive a shaft for other useful purposes, and to apply the mechanical advantage to be developed between pistons having a small and a large area relationship in a closed hydraulic fluid circulating loop where electric drive for one piston results in power output from the other piston.

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