Small size electric motor

Details Small size electric motor Small size electric motor

1991-06-18

1992-08-11

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, 310 43, H02K 518, H02K 502

Patent

active

051382083

ABSTRACT:
A small size electric motor comprises a motor housing having a built-in stator and secured to a supporting member. The motor housing is made of a synthetic resin and has a substantially tubular heat conductive plate embedded in a portion thereof which is attached to the supporting member. The heat conductive plate is made of a metallic material, and its inner peripheral portion is projecting toward the inner side of the housing so that the heat conductive plate is brought into contact with the stator, and its outer peripheral portion is exposed to the surface to which the supporting member is attached so that the heat conductive plate is brought into contact with the supporting member. Therefore, the heat generated by the motor is radiated while transmitted from the stator to the supporting member through the heat conductive plate.

REFERENCES:
patent: 3685926 (1972-08-01), Blum
patent: 4087708 (1978-05-01), Laing
patent: 4129796 (1978-12-01), Papst
patent: 4295067 (1981-10-01), Binder et al.
patent: 4634908 (1987-01-01), Sturm
patent: 4823032 (1989-04-01), Ward et al.
patent: 4866317 (1989-09-01), Katayama

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