Variable capacity vane-type motor having a control channel selec

Details Variable capacity vane-type motor having a control channel selec Variable capacity vane-type motor having a control channel selec

1987-01-08

1989-04-04

Vrablik, John J.

Rotary expansible chamber devices

With changeable working chamber magnitude

Axially or radially spaced working chambers

418189, F01C 2116, F03C 222

Patent

active

048181960

ABSTRACT:
A vane-type motor is disclosed including a rotor disposed in a housing having a plurality of cam rings surrounding the rotor, which cam rings are displaceable relative to one another in the circumferential direction. Vanes associated with the cam rings subdivide a work chamber provided between the rotor and the cam rings into work cells and side plates laterally confine the work chamber. An inlet channel supplies pressure fluid to the work chamber and a discharge channel provides for discharge of the pressure fluid from the work chamber. Control channels are provided to preclude pressure impacts and noises with the cam ring displaced. The control channels terminate in the work chamber and connect the work chamber to the inlet channel. The rotor forms a control element for the control channels.

REFERENCES:
patent: 2033218 (1936-03-01), Yirava
patent: 2570411 (1951-10-01), Vickers
patent: 2790391 (1957-04-01), Holl
patent: 3455245 (1969-07-01), Reichling
patent: 3612733 (1971-10-01), Wilcox
patent: 3687579 (1972-08-01), Martin
patent: 4406599 (1983-09-01), Stephan
patent: 4659297 (1987-04-01), Kahrs

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