Hydraulic torque motor

Details Hydraulic torque motor Hydraulic torque motor

1970-12-17

1976-08-17

Freeh, William L.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F01C 102

Patent

active

RE0289337

ABSTRACT:
A fluid operated device in which an externally toothed rotor is rotatably disposed in a chamber and an internally toothed member is orbitally but not rotatably disposed in the chamber about the rotor. The rotor and orbital member are operative upon relative rotation to form fluid containing pockets therebetween and suitable fluid ducts are provided for conveying fluid to and from the fluid containing pockets. The orbital member is provided with means to cooperatively engage the housing to limit, or prevent unidirectional rotational motion of the orbiting member but to allow orbital movement about the axis of rotation of the rotor.

REFERENCES:
patent: 10778 (1886-11-01), Tilden
patent: 372440 (1887-11-01), Tilden
patent: 443289 (1890-04-01), Tilden
patent: 459332 (1891-09-01), Nash
patent: 2989951 (1961-06-01), Charlson
patent: 3139853 (1964-07-01), Wilkenson
patent: 3215043 (1965-10-01), Huber
patent: 3316814 (1967-05-01), Charlson
patent: 3431863 (1969-11-01), Waldorff

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