Tandem hydraulic motor

Details Tandem hydraulic motor Tandem hydraulic motor

1991-09-03

1993-05-04

Look, Edward K.

Power plants

Pressure fluid source and motor

Having selecting means distributing motive fluid between...

60484, 180242, F16D 3102

Patent

active

052070603

ABSTRACT:
A variable displacement hydraulic motor has a motor housing with a fluid inlet and a fluid outlet. A pair of hydraulic displacement units are mounted in the housing in a parallel arrangement and are operatively associated with a common output shaft. The common output shaft is supported for rotation within the housing and has a pair of spaced ends extending outside the housing, one of the ends driving a first axle shaft and the other end driving a second axle shaft. Each motor unit has a rotatable cylinder block with reciprocable pistons communicating with the fluid inlet and the fluid outlet and an angularly positionable swashplate for varying the stroke of the pistons. A minimum-maximum servo regulates the position of each swashplate independently to provide a wide range of output of the hydraulic motor.

REFERENCES:
patent: 1294121 (1919-02-01), Lape
patent: 2562363 (1951-07-01), Nixon
patent: 2588866 (1952-03-01), Moon
patent: 3508401 (1970-04-01), Aplin
patent: 3990235 (1976-11-01), Bauchet
patent: 4262768 (1981-04-01), Atatani et al.
patent: 5159992 (1992-11-01), Reinecke et al.

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