Canned motor pump for use at high temperatures

Details Canned motor pump for use at high temperatures Canned motor pump for use at high temperatures

1985-12-06

1987-03-24

Croyle, Carlton R.

Pumps

Motor driven

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

417370, 310208, 501151, F04B 1700, F04B 3500, F04B 3902, F04B 3906

Patent

active

046522182

ABSTRACT:
A canned motor pump is adapted for use at high temperatures and enables generated heat from the motor to be absorbed in a treating fluid or liquid upon circulation through the motor thereby conserving heat values in the treating fluid or liquid. The canned motor pump can circulate high temperature treating fluids, or liquids through the canned motor portion without damaging the coils of the motor because of a ceramic-like high temperature insulation used for the electrical field windings, which insulation is provided by mixing a silicone resin, synthetic fluoro-mica and a devitrified mica glass and impregnating the electrical winding coils with such material, whereafter the material is cured and then subjected to an elevated temperature above 300.degree. C. to form the ceramic-like insulation.

REFERENCES:
patent: 2595730 (1952-05-01), Swiss et al.
patent: 2939399 (1960-06-01), Rutschi
patent: 3057741 (1962-10-01), Moore
patent: 3220349 (1965-11-01), White
patent: 3777198 (1973-12-01), Anderson et al.
patent: 3852137 (1974-12-01), Balke et al.
patent: 3870910 (1975-03-01), Fussner
patent: 4045241 (1977-08-01), Daimon et al.
patent: 4212914 (1980-07-01), Ponomareva
patent: 4275319 (1981-06-01), Davis

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