Rotary pump having a compensating coupling

Details Rotary pump having a compensating coupling Rotary pump having a compensating coupling

1996-12-09

1998-11-10

Vrablik, John J.

Rotary expansible chamber devices

Relatively movable working member and drive shaft axes

403354, 464162, F04C 2344, F04C 1500, F16D 306

Patent

active

058334459

ABSTRACT:
The rotary pump, which in particular is suitable for use in a continuously variable transmission, is provided with a pump housing and a rotor with a drive shaft. Movable displacement elements are accommodated in the grooves of the rotor. The rotor is surrounded by a cam ring. End faces adjoin the two side faces of the rotor, at least one end face being provided with one or more feed and/or discharge openings. The cam ring, the rotor, the displacement elements and the end faces delimit pump chambers. A rotationally stable compensating coupling, which is mounted in bearings in the pump housing, is arranged between the rotor and the drive shaft. The mounting in the pump housing engages around the compensating coupling and adjoins one running face of the rotor.

REFERENCES:
patent: 1109006 (1914-09-01), Neal
patent: 2192588 (1940-03-01), Heckert
patent: 3097610 (1963-07-01), Swanson
patent: 3286913 (1966-11-01), Kaatz et al.
patent: 4541791 (1985-09-01), Ideta et al.

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