Rotary vane pump with inlet and discharge ports in end sealing p

Details Rotary vane pump with inlet and discharge ports in end sealing p Rotary vane pump with inlet and discharge ports in end sealing p

1979-06-04

1981-06-23

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

418153, F04C 2700, F04C 2900

Patent

active

042748178

ABSTRACT:
A rotary pump having a housing with a cylindrical cavity and end heads at each end to form a pump cavity. A drive shaft journaled by bearings carries a rotor having a number of movable vanes. Seal plates at each end of the pump cavity to divide it into a pair of end chambers defined by the seal plates and the end heads. Fluid inlet and discharge ports are provided in the sealing plates. The ports are formed as protrusions in the end plates towards the end chambers, as recesses therein or extending as openings into the end heads.

REFERENCES:
patent: T927009 (1974-10-01), Ulrich
patent: 2762340 (1956-09-01), Roggenburk
patent: 3024736 (1962-03-01), Erdmann
patent: 3216363 (1965-11-01), Snow et al.
patent: 3479962 (1969-11-01), Pettibone

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