Movable end plate for a vacuum pump

Details Movable end plate for a vacuum pump Movable end plate for a vacuum pump

1979-12-26

1982-06-22

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

Bypass or relief valve controls venting by movable pump...

417310, F04B 4902, F04B 4908

Patent

active

043360041

ABSTRACT:
A movable section of a housing of a pump that permits an inlet port to be connected to an outlet port whenever a predetermined fluid pressure differential develops therebetween to reduce the work required to move a wall between the input port and the output port by an input member.

REFERENCES:
patent: 2577559 (1951-12-01), Armstrong et al.
patent: 2845868 (1958-08-01), Norlin
patent: 3182596 (1965-05-01), Prijatel
patent: 3806283 (1974-04-01), Leverett
patent: 4073605 (1978-02-01), Wakeman

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