Variable capacity type pump with damping force on cam ring

Details Variable capacity type pump with damping force on cam ring Variable capacity type pump with damping force on cam ring

1985-07-05

1987-07-14

Vrablik, John J.

Rotary expansible chamber devices

With changeable working chamber magnitude

Spring or fluid biased movable member

418 27, 418 30, F04C 2344, F04C 1504

Patent

active

046799958

ABSTRACT:
A variable-capacity roller- or vane-type pump has a cam ring which is movable to vary the delivery of the pump and means is provided for applying to the movement of the cam ring a damping force which varies in dependence upon the instantaneous position of the cam ring.

REFERENCES:
patent: 1650742 (1924-08-01), Rowan
patent: 1845165 (1932-02-01), McGrew
patent: 2433484 (1947-12-01), Roth
patent: 2635551 (1953-04-01), De Lancey
patent: 2651994 (1953-09-01), DeLancey et al.
patent: 2805628 (1957-09-01), Herndon et al.
patent: 2895423 (1959-07-01), Shoosmith
patent: 3381622 (1968-05-01), Wilcox
patent: 3756749 (1973-09-01), Aldinger

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