Reduced size hydraulic motor

Details Reduced size hydraulic motor Reduced size hydraulic motor

1991-10-11

1992-12-22

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F03C 208

Patent

active

051730430

ABSTRACT:
In a hydraulic motor having an orbiting valve, the improvement of the orbiting valve being connected to the wobble stick for rotation therewith and the orbiting valve being non-circular with a series of discreet valving openings and notches formed therein.

REFERENCES:
patent: 3288034 (1966-11-01), White, Jr. et al.
patent: 3381498 (1968-05-01), McDermott
patent: 3452680 (1969-07-01), White, Jr.
patent: 3627454 (1971-12-01), Goff et al.
patent: 3825376 (1974-07-01), Petersen et al.
patent: 3829258 (1974-08-01), Easton
patent: 3873248 (1975-03-01), Johnson
patent: 4232708 (1980-11-01), Miller
patent: 4316707 (1982-02-01), Hansen et al.
patent: 4474544 (1984-10-01), White, Jr.
patent: 4533302 (1985-08-01), Begley
patent: 4533303 (1985-08-01), Petersen et al.

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