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BI-DIRECTIONAL MOSFET COOLING FOR AN ELECTRIC MACHINE

  • US 20160105080A1
  • Filed: 10/07/2015
  • Published: 04/14/2016
  • Est. Priority Date: 10/08/2014
  • Status: Active Grant
First Claim
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1. A power module for an electric machine comprising:

  • a thermally conductive base having opposite first and second surfaces, the first surface adapted for mounting the power module in conductive thermal communication with a heat sink;

    a MOSFET superposing the base second surface and in conductive thermal communication with the base; and

    a MOSFET driver superposing the base second surface and operatively connected to the MOSFET;

    wherein the transference from the power module of heat generated by the MOSFET and the MOSFET driver from the power module is directed along a primary cooling path to the heat sink through the base and a secondary cooling path to ambient air, and the primary and secondary cooling paths are separate from each other.

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