Sealed electric motor assembly

Details Sealed electric motor assembly Sealed electric motor assembly

1993-03-03

1994-03-01

Voeltz, Emanuel T.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 88, H02K 510

Patent

active

052910873

ABSTRACT:
A sealed electric motor assembly suitable for use in a hostile environment, such as high temperatures, high pressures or in atmospheres containing toxic or corrosive gases. The motor assembly is especially adapted for use with a blower assembly. The stator windings are protected from the hostile environment by hermetically sealing them between the cylindrical housing for the motor and a thin metal canister secured tightly against the inner wall of the housing. Also disclosed are arrangements for removing heat from the motor during its operation. Service life of the electric motor of this invention is greatly increased as compared to conventional motors when operated in a hostile environment.

REFERENCES:
patent: 3789249 (1974-01-01), Purman
patent: 3873861 (1975-03-01), Halm
patent: 3969643 (1976-07-01), Sapper
patent: 4323803 (1982-04-01), Danko et al.
patent: 4451750 (1984-05-01), Heuer et al.
patent: 4549105 (1985-10-01), Yamamoto et al.
patent: 4682065 (1987-07-01), English et al.
patent: 4725198 (1988-02-01), Fraser
patent: 5024644 (1991-07-01), Kech
patent: 5097164 (1992-03-01), Nakasugi et al.
patent: 5113103 (1992-05-01), Blum et al.

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