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Electric compressor

  • US 7,972,123 B2
  • Filed: 03/28/2007
  • Issued: 07/05/2011
  • Est. Priority Date: 03/29/2006
  • Status: Active Grant
First Claim
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1. An electric compressor comprising:

  • a compressor mechanism portion;

    an electric motor for driving the compressor mechanism portion;

    a housing for accommodating the compressor mechanism portion and the electric motor;

    an inverter assembly for converting a direct current into a multi-phase alternate current to supply the converted current to the electric motor and for controlling a rotational frequency of the electric motor;

    an inverter accommodating chamber, which is provided by recessing a part of the housing, for accommodating the inverter assembly, characterized in that;

    the inverter assembly includes;

    a substrate having an electric circuit including a switching element;

    a plurality of components including at least one of a capacitor and a coil; and

    a base supporting the substrate and the plurality of components, wherein the base includes a receiving portion that covers at least a part of an exterior surface of at least one of the components, andthe inverter assembly is detachably fixed inside the inverter accommodating chamber of the housing by detachably fixing the base to the housing; and

    a cover attached to the housing, the cover covers the substrate, wherein.

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