Radial piston pump/motors

Details Radial piston pump/motors Radial piston pump/motors

1971-01-20

1976-02-03

Freeh, William L.

Motors: expansible chamber type

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

Motive fluid bypass to or from assembly

91489, F01B 1306

Patent

active

039357945

ABSTRACT:
Radial piston pump or motor has within its housing a stationary pintle valve, an external shaft connected to a rotating spider of which are mounted pressure balanced pivotal cylinders. Rigid piston - shoe assemblies engage the cylinders and ride on a cylindrical raceway the eccentricity of which is adjustable for stroke. Balanced annular sealing is provided between the pivotal cylinders and arcuately surfaced pockets therefor in the rotating spider/rotor.

REFERENCES:
patent: 3036557 (1962-05-01), Kimsey
patent: 3199460 (1965-08-01), Bush et al.
patent: 3225701 (1965-12-01), Griffith
patent: 3311030 (1967-03-01), Halstead
patent: 3650180 (1972-03-01), Gantschnigg
patent: 3695146 (1973-10-01), Orshansky
patent: 3777624 (1973-12-01), Dixon

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