Pumps – One fluid pumped by contact or entrainment with another – Liquid pumped by supplying or exhausting gaseous motive...
Patent
1989-08-02
1991-04-02
Smith, Leonard E.
Pumps
One fluid pumped by contact or entrainment with another
Liquid pumped by supplying or exhausting gaseous motive...
417126, 417 40, F04F 106
Patent
active
050044052
ABSTRACT:
Apparatus for the pumping of fluids from a source without the need of external controls. The pump will continue to fill and empty itself as long as there is fluid filling the pump and compressed air of sufficient pressure to overcome the head against which the pump is pushing fluid.
REFERENCES:
patent: 778608 (1904-12-01), Rogers
patent: 1335792 (1920-04-01), Muzzy
patent: 1338323 (1920-04-01), Muzzy
patent: 1708861 (1929-04-01), Barkeij
Blackmon Robert N.
Smith Leonard E.
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