Multi-cylinder hydraulic mechanism

Details Multi-cylinder hydraulic mechanism Multi-cylinder hydraulic mechanism

1977-09-20

1979-06-05

Freeh, William L.

Motors: expansible chamber type

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

Radially disposed cylinders

F01B 1306

Patent

active

041570561

ABSTRACT:
A hydraulic mechanism, e.g. a pump or motor, comprises a plurality of cylinders and pistons and a piston-displacement selector which is provided with blind helical grooves for controlling connection of the cylinders to the main fluid supply.

REFERENCES:
patent: 3296937 (1967-01-01), Guinot
patent: 3369457 (1968-02-01), Guinot
patent: 3593621 (1971-07-01), Praddaude
patent: 3808951 (1974-05-01), Martin

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