Miniature motor

Details Miniature motor Miniature motor

1990-04-26

1991-10-01

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 62, H02K 906

Patent

active

050536575

ABSTRACT:
A miniature motor comprising a stator having a permanent magnet field fitted to the inside of a motor case, a rotor having a rotor winding and rotatably supported in such a manner as to face the stator, a commutator provided at an end of the rotor, and a cooling fan, in which a plurality of lugs are provided in a projected state on an end face of a core constituting a rotor end portion, a plurality of holes corresponding to the lugs are provided on the cooling fan having a plurality of vanes, and the cooling fan is fixedly fitted to the core and then secured in place by plastic deforming of the lugs.

REFERENCES:
patent: 4092556 (1978-05-01), Mabuchi
patent: 4588911 (1986-05-01), Gold
patent: 4896065 (1990-01-01), Tsuyama

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