Rotary vacuum pump

Details Rotary vacuum pump Rotary vacuum pump

1988-02-08

1989-02-28

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Smooth runner surface for working fluid frictional contact

415121A, 55439, F04D 1904

Patent

active

048080675

ABSTRACT:
A rotary vacuum pump comprising a stator (1) and a rotor (2), the rotor being rotated inside the stator and the stator including a suction inlet (11) and an exhaust outlet orifice (12), wherein the suction end of the rotor carries at least one wheel (13) having sloping vanes (14) such that any solid particles that may be sucked in are projected thereby in a radial direction towards an annular stator collector tank (15) having a circular opening (16) opening out into the stator cavity (6) and situated in the plane in which said particles are projected by said vanes (14).

REFERENCES:
patent: 1958145 (1934-05-01), Jones
patent: 2370778 (1945-03-01), Compton
patent: 2732032 (1956-01-01), Sandison
patent: 3066912 (1962-12-01), Scheper, Jr.
patent: 3813854 (1974-06-01), Hortman
patent: 3827482 (1974-07-01), Pope
patent: 4285707 (1981-08-01), Pfenninger
patent: 4512725 (1985-04-01), Saulgeot

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