High clearance sliding vane pump

Details High clearance sliding vane pump High clearance sliding vane pump

1995-10-02

1997-02-11

Freay, Charles G.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

418133, F01C 1908

Patent

active

056014236

ABSTRACT:
A sliding vane air pump has a resilient flexible plate secured to the housing adjacent to one end of the rotor so that drawing a high vacuum flexes the plate closer to the rotor to further increase the vacuum attainable by the pump.

REFERENCES:
patent: 3695791 (1972-10-01), Brundage
patent: 4061446 (1977-12-01), Sakamaki et al.
patent: 4198195 (1980-04-01), Sakamaki et al.

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