Hydrostatic drive units

Details Hydrostatic drive units Hydrostatic drive units

1983-07-28

1985-10-08

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Condition responsive control of motive fluid flow

60494, 137 38, 137 46, 180307, F15B 1518

Patent

active

045452032

ABSTRACT:
An hydrostatic drive unit for driving a motor vehicle is provided including a pump, a hydraulic motor, connecting means between said pump and motor, a branch line connected to the connecting means, a shut-off means located in said connecting means, measuring means in said shut-off means for measuring the horizontal forces arising in the direction of the longitudinal axis of the vehicle, said shut-off means acting on the hydrostatic drive unit, said measuring means including a mass capable of being displaced in the direction of the longitudinal axis of the vehicle against a forcible stop, resilient means acting on said mass to position the same normally in a center position capable of movement in two directions on the longitudinal axis of the vehicle and in working connection with the shut-off element whereby during the exertion of force upon the forcible stop, said mass acts directly or indirectly on said shut-off element to control fluid flow in said connecting means.

REFERENCES:
patent: 3027776 (1962-04-01), Snyder
patent: 3740950 (1973-06-01), Polaski

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