Self-priming liquid ring pump methods and apparatus

Details Self-priming liquid ring pump methods and apparatus Self-priming liquid ring pump methods and apparatus

1986-05-19

1987-07-14

Croyle, Carlton R.

Pumps

Processes

Of pumping one fluid by contact or entrainment with another

417 68, F04C 1900

Patent

active

046799877

ABSTRACT:
Stalling of liquid ring pumps during start-up is prevented, without the need for a separate liquid pump or other means for initiating or sustaining the flow of make-up pumping liquid into the pump, by providing a bypass conduit for initially conveying some pumping liquid from the relatively high liquid pressure side of the pump to the relatively low liquid pressure side of the pump. This helps the pump establish the internal liquid distribution needed to form a viable liquid ring and create the gas pressure differential necessary to initiate and sustain the inflow of make-up pumping liquid.

REFERENCES:
patent: 1322363 (1919-11-01), Siemen et al.
patent: 2195174 (1940-03-01), Jennings
patent: 2195375 (1940-03-01), Adams
patent: 3032258 (1962-05-01), Jennings
patent: 3721508 (1973-03-01), Mugele
patent: 3973879 (1976-08-01), Ramm
patent: 4083658 (1978-04-01), Ramm
patent: 4521161 (1985-06-01), Olsen et al.
patent: 4545730 (1985-10-01), Lubke

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