Radial piston hydraulic motor of variable cylinder capacity

Details Radial piston hydraulic motor of variable cylinder capacity Radial piston hydraulic motor of variable cylinder capacity

1991-07-30

1992-07-28

Smith, Leonard E.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Radially disposed cylinders

92 137, 417221, F01B 1316, F04B 130

Patent

active

051332442

ABSTRACT:
In a radial piston hydraulic motor of the "star-shaped" type the variation of the cylinder capacity is achieved by the fact that the motor crankshaft is provided with a mechanism which varies the eccentricity, this mechanism being powered by hydraulic actuators carried by the shaft and controlled by a circuit external to the frame of the motor, comprising a rotating coupling and stop valves, while stability of the cylinder capacity may be obtained by means of locking mechanisms carried on the shaft.

REFERENCES:
patent: 3610106 (1971-10-01), Cavalieri
patent: 3747477 (1973-07-01), Aldinger
patent: 4195553 (1980-04-01), Klie
patent: 4320692 (1982-03-01), Komiya
patent: 5012724 (1991-05-01), Giamello

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