Fluid-raising apparatus driven by low hydraulic head

Details Fluid-raising apparatus driven by low hydraulic head Fluid-raising apparatus driven by low hydraulic head

1985-11-25

1987-02-17

Croyle, Carlton R.

Pumps

One fluid pumped by contact or entrainment with another

Diverse pumps

417101, 417108, 417109, F04B 2314, F04F 1100, F04F 118

Patent

active

046436502

ABSTRACT:
A fluid-raising apparatus includes a compression chamber which receives liquid, from an elevated source, such that gas in the chamber is pressurized and used to lift fluid through a vertical conduit. When the chamber fills with liquid, a float lifts a drain plug so that draining commences automatically. The effluent passes through a discharge tube wherein, during draining, the liquid pushes on a piston. The piston, in turn, holds a liquid inlet valve closed until draining is complete.

REFERENCES:
patent: 592037 (1897-10-01), Young et al.
patent: 779456 (1905-01-01), Young et al.
patent: 859213 (1907-07-01), Gill
patent: 885301 (1908-04-01), Siepermann et al.
patent: 900669 (1908-10-01), Coxe
patent: 1091313 (1914-03-01), Erickson
patent: 2461032 (1949-02-01), Bush
patent: 2945447 (1960-07-01), Yamaguchi et al.
patent: 3028816 (1962-04-01), Walker et al.
patent: 4110980 (1978-09-01), Foulke
patent: 4265599 (1981-05-01), Morton

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