Rotating electric machine with built-in control device

Details Rotating electric machine with built-in control device Rotating electric machine with built-in control device

2008-04-15

2008-04-15

Duda, Rina (Department: 2837)

Electricity: motive power systems

Induction motor systems

C318S254100, C318S132000, C318S434000, C310S113000, C310S114000

Reexamination Certificate

active

07358699

ABSTRACT:
The invention is intended to obtain a rotating electric machine with a built-in control device in which the control device is kept from receiving heat from a main body of the rotating electric machine and the control device can be cooled in a desirable fashion. A heat sink (13) on which switching devices (12) of a control device (400) are mounted is attached to a rear bracket (6) by means of conductive studs (300) with a particular spacing provided in a left-to-right direction of FIG.2. The heat sink (13) is cooled by a flow of cooling air induced by an unillustrated fan. Since the control device (400) is attached to the rear bracket (6) of which temperature increases with the spacing provided therefrom, it is possible to suppress heat transfer from the rear bracket (6) and effectively cool the control device (400) through the heat sink (13).

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