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Reduced size power inverter suitable for a vehicle

  • US 8,755,209 B2
  • Filed: 06/25/2013
  • Issued: 06/17/2014
  • Est. Priority Date: 04/06/2006
  • Status: Active Grant
First Claim
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1. A power inverter, comprising:

  • a power module for outputting AC current to a motor;

    a control circuit board for controlling the motor;

    a housing for installing the power module;

    a base member for holding the control circuit board;

    a cover;

    an electric circuit different from the control circuit board; and

    a harness connected to the electric circuit,wherein the housing has a plurality of convex parts on an inner surface thereof,the base member is supported by end surfaces of the convex parts,the housing and the base member are made of aluminum,the housing forms an opening which is closed by the cover,the control circuit board is placed in a first space which is one of spaces separated by the base member,the electric circuit is placed in a second space which is the other of spaces separated by the base member,the base member is formed to look larger than the control circuit board when seen in a direction perpendicular to an opening surface defined by a rim of the opening,the harness extends from the second space to the first space, andthe harness is placed to overlap the base member when seen in a direction perpendicular to the opening surface.

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