Radial piston type pumps or motors

Details Radial piston type pumps or motors Radial piston type pumps or motors

1973-01-12

1976-08-03

Freeh, William L.

Motors: expansible chamber type

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

Radially disposed cylinders

91497, F01B 1306

Patent

active

039722686

ABSTRACT:
A radial piston type pump or motor having a rotor with two rows of radial pistons and a pair of eccentrically disposed rings against which the pistons bear so that they reciprocate as the rotor rotates, the eccentricity of the rings being of equal magnitude and at opposite sides of the axis of rotation of the rotor, the eccentricity of the rings being controlled by a pair of side by side control pistons acting against the rings respectively and a spool contained in the bore communicating with the outlet of the pump to control the supply of fluid to the control pistons.

REFERENCES:
patent: 2646755 (1953-07-01), Joy
patent: 2716945 (1955-09-01), Presnell
patent: 3626810 (1971-12-01), Morey

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