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US 2014/0232313 A1Published application
Reduced Size Power Inverter Suitable for a Vehicle
AssigneeHitachi, Ltd.
InventorsKenichiro NAKAJIMA, Haruki HAMADA, Hideyo SUZUKI
Life of this patent
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Abstract
A power inverter comprises at least a box-shaped housing; and a power module, a smoothing capacitor, a base plate made of a flat plate, and a rotating electric machine control circuit board arranged in order in the housing. The base plate is arranged with the fringes fixed to the inner wall surfaces of the housing, and the smoothing capacitor and rotating electric machine control circuit board are fixed.
Claims4
A power convertor comprising:
- a power module including a power semiconductor for converting DC current to AC current;
- a rotating electric machine control circuit board outputting timing signals for switching the power semiconductor;
- a connector transmitting input signals to the rotating electric machine control circuit;
- and
- a noise reduction board including a bypass capacitor for removing noise superimposed on each of the input signals;
- wherein the noise reduction board is configured to be separated from the rotating electric machine control circuit board.
3 more elements
Dependencies are inferred from the claim text.