Sewage pump priming system

Details Sewage pump priming system Sewage pump priming system

1976-08-13

1978-01-10

Freeh, William L.

Pumps

Diverse pumps

Priming and venting

F04D 904, F04B 4904

Patent

active

040676633

ABSTRACT:
A sewage pump priming system including a sewage pump disposed above a sump for holding sewage to force sewage from the sump through a sewage discharge conduit, a priming chamber receiving sewage from the sewage discharge conduit to be partially filled with sewage to a level above the sewage pump and the sewage discharge conduit, a vacuum pump communicating with the priming chamber for sucking sewage into the priming chamber to prime the sewage pump and a gas relief conduit providing a passage for gas above the level of sewage in the priming chamber to the sewage discharge conduit at a position downstream of the priming chamber such that the priming chamber is utilized to prime the sewage pump and to remove gas from the sewage pump priming system.

REFERENCES:
patent: 1578236 (1926-03-01), Labour
patent: 1782345 (1930-11-01), Haertjens
patent: 1971441 (1934-08-01), Broadhurst
patent: 2275500 (1942-03-01), Broadhurst
patent: 3131637 (1964-05-01), Jennings
patent: 3630637 (1971-12-01), Repp
patent: 3836285 (1974-09-01), Purtell
patent: 3868198 (1975-02-01), Purtell

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