Method and means for injecting hot liquid when pumping cold liqu

Details Method and means for injecting hot liquid when pumping cold liqu Method and means for injecting hot liquid when pumping cold liqu

1978-05-24

1980-02-12

Freeh, William L.

Pumps

Processes

222146H, 417431, F04B 3900, F04B 3906

Patent

active

041881729

ABSTRACT:
A method of and means for introducing a heated liquid into a cold liquid the purpose of improving the pumping rate of the cold viscous liquid is provided. The heated liquid is directed upward into the suction inlet of the cold liquid pump through an orifice or a multiplicity of small orifices which are disposed a selected distance below the suction inlet.

REFERENCES:
patent: 143810 (1873-10-01), Cowell
patent: 1264688 (1918-04-01), Schilling
patent: 1376877 (1921-05-01), Herron
patent: 2148131 (1939-02-01), Packer
patent: 3560111 (1971-02-01), Sterlini
patent: 3561645 (1971-02-01), Hopkins
patent: 3583415 (1971-06-01), Smith

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