Electric motor fan

Details Electric motor fan Electric motor fan

1984-06-04

1986-05-20

Look, Edward K.

Pumps

Motor driven

Electric or magnetic motor

361384, 415219B, F04B 1700

Patent

active

045898278

ABSTRACT:
An electric motor fan comprises a fan driven by a motor, a case with the fan mounted therein and including a scroll providing an air outlet port of the fan, and a control unit including an output transistor for controlling the drive of the motor. The control unit includes a heat radiation device mounted in the scroll for radiating the heat generated by the transistor. At least a part of the heat radiation device is formed as a radiation fin having an internal surface in the same plane as the internal wall surface of the scroll.

REFERENCES:
patent: 4103737 (1978-08-01), Perkins
patent: 4265597 (1981-05-01), Payne et al.
patent: 4365288 (1982-12-01), Robe et al.

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