Radial piston pump or motor with unrestricted inlet means

Details Radial piston pump or motor with unrestricted inlet means Radial piston pump or motor with unrestricted inlet means

1975-12-08

1977-09-20

Freeh, William L.

Motors: expansible chamber type

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

Radially disposed cylinders

F01B 1306

Patent

active

040489078

ABSTRACT:
A radial piston pump comprises a housing having a drive shaft rotatably mounted therein and a rotor operatively connected to the shaft for rotation therewith. A pintle valve is mounted in the housing and the rotor is rotatably mounted thereon for communicating fluid from an inlet of the housing to an outlet thereof. A plurality of circumferentially spaced and radially extended pistons are mounted on the rotor with each of the pistons having a cylinder reciprocally mounted on an end thereof for pumping purposes. The inlet communicates with an inlet side of the pintle valve via a single inlet passage which communicates unrestricted fluid flow therethrough.

REFERENCES:
patent: 2290764 (1942-07-01), Neuland
patent: 3090361 (1963-05-01), Orshansky, Jr.
patent: 3199460 (1965-08-01), Bush et al.
patent: 3657971 (1972-04-01), Freeman
patent: 3805641 (1974-04-01), Hause
patent: 3899957 (1975-08-01), Carlson
patent: 3913456 (1975-10-01), Bosch

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