Slurry pump

Details Slurry pump Slurry pump

1988-11-25

1991-12-24

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Liquid pumped by supplying or exhausting gaseous motive...

417139, 417143, 417900, F04F 106

Patent

active

050747584

ABSTRACT:
A pump for liquid or slurry is valve controlled to fill a pumping chamber to an upper predetermined level; valve controlled to supply gas under pressure to the top of the liquid to force it out a lower outlet port down to a lower predetermined level and to alternate such cycles with all valves being located outside the chamber.

REFERENCES:
patent: 1323415 (1919-12-01), Sherbondy
patent: 1323864 (1919-12-01), Human
patent: 2412723 (1946-12-01), Elliott
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patent: 3273514 (1966-09-01), Bender
patent: 3352248 (1967-11-01), Bender
patent: 3424098 (1969-01-01), Bender
patent: 3606585 (1969-10-01), Graves
patent: 3661167 (1972-05-01), Hussey
patent: 3891352 (1975-06-01), Tsukamoto
patent: 3991825 (1976-11-01), Morgan
patent: 4021447 (1977-05-01), Brekke
patent: 4536131 (1985-08-01), Saito et al.
"Plating Waste-Handling Sump Pump Wipes Out Rebuild Costs", Jim Wassilak, Jun. 1988, Chemical Processing.

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