Hydraulic motor

Details Hydraulic motor Hydraulic motor

1980-04-24

1982-03-09

Koczo, Jr., Michael

Motors: expansible chamber type

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

Separate fluid supply or discharge paths

91490, 91498, F01B 106, F01B 1306, F04B 110

Patent

active

043183360

ABSTRACT:
A hydraulic motor has a stationary housing, a hollow rotor having a plurality of hollow radially extending pistons each provided with two concentric annular walls forming inner and outer chambers communicating with separate fluid-conveying passages, a plurality of cylinders displaceable over the pistons and each having a projection received in the inner chamber of the respective piston, and a central control member having a plurality of fluid-conveying passages cooperating with the fluid-conveying passages of the pistons and displaceable in the axial direction between a plurality of operating positions.

REFERENCES:
patent: 1243494 (1917-10-01), Dunning
patent: 1299662 (1919-04-01), Beggs
patent: 2938504 (1960-05-01), Wadefelt
patent: 3046950 (1962-07-01), Smith
patent: 3296937 (1967-01-01), Guinot
patent: 3403599 (1968-10-01), Guinot
patent: 3593621 (1971-07-01), Praddaude
patent: 3808951 (1974-05-01), Martin
patent: 4178885 (1979-12-01), Konther et al.

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