Hydraulic motor

Details Hydraulic motor Hydraulic motor

1975-09-08

1977-01-25

Schwadron, Martin P.

Motors: expansible chamber type

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

Separate motive fluid control for each working chamber

60483, 91413, 91443, 91491, 92148, F01B 310

Patent

active

040044980

ABSTRACT:
An intermittent hydraulic motor which comprises: a crank shaft; a plurality of hydraulic cylinders having pistons engaging with an eccentric member of said crank shaft; pressure oil lines connected to said hydraulic cylinders; check valves having choke valves; and independent changeover valves which connect one of said hydraulic cylinders to a pressure pump and the others to an oil tank; and being characterized in that said crank shaft together with said eccentric member is rotated independently of synchronism with the crank shaft for a certain angle only by the application of oil pressure to said one of the hydraulic cylinders.

REFERENCES:
patent: 147599 (1874-02-01), Brownell
patent: 724261 (1903-03-01), Cole
patent: 2974637 (1961-03-01), Holmes
patent: 3075504 (1963-01-01), Vogel
patent: 3266436 (1966-08-01), Yarger
patent: 3314364 (1967-04-01), Green
patent: 3379099 (1968-04-01), Missioux
patent: 3396633 (1968-08-01), Ryzner
patent: 3558102 (1971-01-01), Cruse
patent: 3610106 (1971-10-01), Cavalieri

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