Hydraulic piston motor

Details Hydraulic piston motor Hydraulic piston motor

1976-07-29

1978-03-07

Freeh, William L.

Motors: expansible chamber type

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

Motive fluid bypass to or from assembly

F01B 1304

Patent

active

040773051

ABSTRACT:
A hydraulic piston motor, preferably a hydrostatic motor of the axial-piston type, has its pistons hydrostatically urged against a surface which is moved relative to or with the pistons in order to reduce static frictional retardation of the pistons upon starting the motor.

REFERENCES:
patent: 2455330 (1948-11-01), Dennison, Jr.
patent: 2847938 (1958-08-01), Gondek
patent: 3208395 (1965-09-01), Budzich
patent: 3257960 (1966-06-01), Neel
patent: 3726609 (1973-04-01), Cattanach
patent: 3996806 (1976-12-01), Alexander

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