Compact vehicle drive module having improved thermal control

  • US 6,982,873 B2
  • Filed: 12/16/2002
  • Issued: 01/03/2006
  • Est. Priority Date: 01/16/2002
  • Status: Active Grant
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First Claim
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1. An electric drive for a vehicle at least partially propelled by an electric motor, the drive comprising:

  • a vehicle drive train;

    a power converter operatively coupled to the drive train and comprising;

    a power electronics circuit configured to generate controlled output power; and

    an electrical and thermal subassembly to which the power electronics circuit is directly mounted, the subassembly including a fluid diverting means to direct cooling fluid into contact with an interface on which the power electronic circuit is supported and a flow regulating element to provide regulation of temperature of the power electronics circuit in a closed-loop manner.

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