Hydraulic motor-pump with fixed or variable displacement

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United States of America Patent

PATENT NO 9546654
APP PUB NO 20140219848A1
SERIAL NO

14171972

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Importance

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Abstract

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The fixed or variable displacement hydraulic motor-pump (1) includes a motor-pump central rotor (3) in which a hydraulic cylinder (14) is arranged, the rotor (3) being in sealed contact with an input-output spool valve (43) connecting the cylinder (14) with a motor-pump frame (2) while a hydraulic piston (13) moves in the cylinder (14) to push, using a hydraulic piston guided plunger (18), a tangential arm (22) articulated in the central rotor (3), and a tangential arm antifriction roller (28) on a motor-pump peripheral rotor (29) synchronized in rotation with the motor-pump central rotor (3).

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rabhi, Vianney Lyons, FR 59 223

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