Water powered sump pump

Details Water powered sump pump Water powered sump pump

1982-08-25

1984-11-13

Look, Edward K.

Pumps

Processes

Of pumping one fluid by contact or entrainment with another

417 40, 417 87, 4171825, 417187, F04B 4904, F04F 548

Patent

active

044822995

ABSTRACT:
A water powered sump pump having an ejector with an inlet end and a discharge end and enclosed within a housing providing support for the ejector. A control chamber about the inlet end of the ejector has a diaphragm valve which operates to control communication with a water pressure source responsive to operation of a float controlled pilot valve. Multi-stage turbulence and progressively increasing energy and velocity is effected in sump water directed to a propulsion zone defined about the ejector nozzle and communicating with the mouth end of a venturi leading to a discharge outlet from the ejector.

REFERENCES:
patent: 1177270 (1916-03-01), Pursell
patent: 1230972 (1917-06-01), Woodworth
patent: 2006615 (1935-07-01), Yoder
patent: 2085361 (1937-06-01), Hellmer
patent: 2855861 (1958-10-01), Miles et al.
patent: 2915975 (1959-12-01), Kittrell et al.
patent: 2935029 (1960-05-01), Miles
patent: 3472172 (1969-10-01), Vignerot
patent: 3726606 (1973-04-01), Peters
patent: 3963376 (1976-06-01), Miskin
patent: 4065226 (1977-12-01), Campbell

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