Transmission coupling apparatus

Details Transmission coupling apparatus Transmission coupling apparatus

1975-02-18

1976-05-04

Geoghegan, Edgar W.

Motors: expansible chamber type

With motive fluid valve

For double-acting motor

13762521, 251304, 60325, F15B 1304

Patent

active

039540472

ABSTRACT:
A hydraulic or pneumatic coupling including a hydraulic or pneumatic pump and a hydraulic or pneumatic motor driven by the pump through a coupling has two pairs of adjacent chambers divided and connected by a rotatable valve element which allows the varying of speed and direction of the motor. The coupling forms the key element to a hydraulic or pneumatic actuated transmission.

REFERENCES:
patent: 2952243 (1960-09-01), Dunning
patent: 3319531 (1967-05-01), Sanders
patent: 3397618 (1968-08-01), Jensen

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