Canned motor pump

Details Canned motor pump Canned motor pump

1985-08-14

1989-02-28

Husar, Cornelius J.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417372, F04B 1700, F04B 3902

Patent

active

048080870

ABSTRACT:
A canned motor pump having improved dielectric strength at a high temperature above 200.degree. C. is disclosed in which a jacket is arranged on an outer wall of the canned motor section, to an inlet port of which jacket is supplied a portion of pressurized liquid to be treated, while an outlet port of said jacket is connected to a lower pressure zone of the pump section or pump tubing system to circulate the liquid thereto. In accordance with the canned motor pump, the efficient cooling of the canned motor and the economically advantageous pump system without energy loss may be achieved.

REFERENCES:
patent: 2595730 (1952-05-01), Swiss et al.
patent: 2939399 (1960-06-01), Rutschi
patent: 3057741 (1962-10-01), Moore
patent: 3163790 (1964-12-01), White
patent: 3220349 (1965-11-01), White
patent: 3637329 (1972-01-01), Sato et al.

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