Motor controller

Details Motor controller Motor controller

2007-08-24

2010-10-19

Datskovskiy, Michael V (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S696000, C361S679480, C361S679540, C165S080300, C165S121000, C165S104330

Reexamination Certificate

active

07817421

ABSTRACT:
A motor controller capable of relaxing the temperature of a heat source which generates heat by driving the motor controller, and capable of realizing miniaturization and low price is provided. In a motor controller in which a power semiconductor module (2) which closely contact a heat sink (1) is mounted on a substrate (4), and a fan (6) is attached to the heat sink (1) by a fan case (8), portions of fins (1g) of the heat sink (1) are formed with a bell mouth (1c) and a circular-arc-shaped guide (1h), and the radiating capability of the fins (1g) is improved by effectively using the wind of the fan (6).

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