Auxiliary radially shifting mechanism for vanes in a pump of the

Details Auxiliary radially shifting mechanism for vanes in a pump of the Auxiliary radially shifting mechanism for vanes in a pump of the

1982-07-22

1985-01-15

Vrablik, John J.

Rotary expansible chamber devices

Positively actuated vane

Cam actuated

F04C 200

Patent

active

044936265

ABSTRACT:
An auxiliary radially shifting mechanism for vanes in a pump of the vane type having a cup-shaped cylinder, a rotor eccentrically and rotatably received within the cylinder, a number of vanes radially shiftably disposed within said rotor, and a bracket closing the cylinder at its open end, is provided in the form of a ring-shaped projection formed on the bracket so as to protrude therefrom towards the side of the vanes and to surround the rotor, the outer edge of the projection being rounded.

REFERENCES:
patent: 284125 (1883-08-01), Gibb
patent: 1023872 (1912-04-01), Pearson
patent: 1121628 (1914-12-01), Hoffmann
patent: 3955540 (1976-05-01), Blanchard
patent: 4133618 (1979-01-01), Smolinski

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