Electric motor

Details Electric motor Electric motor

1979-11-05

1982-06-22

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

417373, 310 57, H02K 510

Patent

active

043364730

ABSTRACT:
This disclosure relates to an electric motor of a motor-pump assembly, the motor including an improved end bell. The end bell is located between the motor and the pump of the assembly and forms a common wall between them. The end bell is made of a material having a relatively high coefficient of thermal conductivity, and a cover made of a material having a relatively low coefficient of thermal conductivity separates the pumped liquid from the end bell. A bearing is supported by the end bell, and condensation around the bearing is prevented by the cover and by means for circulating relatively warm air around the bearing.

REFERENCES:
patent: 2918207 (1959-12-01), Moore
patent: 3060860 (1962-10-01), Schaefer
patent: 3394659 (1968-07-01), Van Alen
patent: 3766453 (1973-10-01), Schenk et al.
patent: 3862443 (1975-01-01), Edick
patent: 4088424 (1978-05-01), Hyatt et al.
patent: 4198192 (1980-04-01), Webb

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