Integral hydraulic vehicle drive system

Details Integral hydraulic vehicle drive system Integral hydraulic vehicle drive system

1978-10-24

1980-05-06

Peters, Jr., Joseph F.

Motor vehicles

Steering by driving

Independently operable drive motors

60484, 180 63, B62D 1104

Patent

active

042012724

ABSTRACT:
A hydraulic drive and braking system for vehicles having a pair of positive displacement pumps connected to drive axles attached to the wheels of the vehicle. Hydraulic fluid is supplied to the positive displacement motors from a reservoir by means of a variable displacement pump. The flow to the motors is controlled by a flow divider connected to the steering linkage. Braking is provided by blocking the return flow of the positive displacement motors. An antiskid system senses wheel rotation and responsive thereto prevents the blocking of the return flow of the positive displacement motors.

REFERENCES:
patent: 3175364 (1965-03-01), Ilfield
patent: 3175570 (1965-03-01), Voreaux et al.
patent: 3207244 (1963-09-01), Becker et al.
patent: 3659263 (1972-04-01), Gunsser et al.
patent: 3759295 (1973-09-01), Dence
patent: 3946560 (1976-03-01), MacIntosh et al.
Air Force Flight Dynamics Lab. Final Report, "Development of a Pneumatic-Fluidic Antiskid System", Oct. 1974, DDC AD-A009170.

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