Hydraulic wheelchair

Details Hydraulic wheelchair Hydraulic wheelchair

1992-01-24

1992-10-27

Culbreth, Eric D.

Motor vehicles

Power

Including traction motor of kind driven by noncompressible...

60493, 180307, 180308, 180907, 417428, B60K 1700

Patent

active

051581507

ABSTRACT:
A hydraulic system for powering a vehicle for human transporation. The output of a hydraulic pump is connected to at least one hydraulic motor by a hydraulic circuit, the motor(s) being mechanically connected to drive the vehicle. The hydraulic circuit establishes the direction of fluid flow through the motor(s). The pressure drop across at least a portion of the hydraulic circuit is monitored and the flow of fluid to the circuit is regulated accordingly.

REFERENCES:
patent: 2968915 (1961-01-01), Feistel, Jr.
patent: 3913453 (1975-10-01), Parquet
patent: 4118149 (1978-10-01), Hagberg
patent: 4194365 (1980-03-01), Stoufflet et al.
patent: 4244184 (1981-01-01), Baldauf et al.

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