Rotary positive displacement pump, especially gear pump

Details Rotary positive displacement pump, especially gear pump Rotary positive displacement pump, especially gear pump

1979-01-19

1981-03-03

Gluck, Richard E.

Pumps

With condition responsive pumped fluid control

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

417304, 417310, F04B 4902

Patent

active

042538033

ABSTRACT:
Rotary displacement pump, of which the delivery pressure can be adjusted by modifying the losses in the gap between the lateral flank or flanks of one or more of the gear wheels and the house in which these gear wheels are enclosed, at the place of this gap also the mouth of a channel being present, which channel is or can be connected to a return line.

REFERENCES:
patent: 2380783 (1945-07-01), Painter
patent: 2977886 (1961-04-01), Banker
patent: 3137234 (1964-06-01), Mosbacher
patent: 3655299 (1972-04-01), Connelly
patent: 3806283 (1974-04-01), Leverett
patent: 3870437 (1975-03-01), Gondek

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