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TurboCharger with an electric motor

  • US 8,371,121 B2
  • Filed: 07/23/2007
  • Issued: 02/12/2013
  • Est. Priority Date: 05/24/2007
  • Status: Active Grant
First Claim
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1. A turbocharger, comprising:

  • a turbine wheel;

    a compressor wheel connected to the turbine wheel;

    an electric motor situated on a side of the compressor wheel which is distant to the turbine wheel; and

    a rotor connected to the compressor wheel in a rotationally fixed manner and designed in a freely projecting manner,wherein the electric motor includes a stator, the stator being a substantially a hollow-cylindrical shape,wherein a rotor gap between the rotor and the stator represents an inlet air opening for the compressor wheel,wherein a smallest inner diameter of the stator is 1.5 to 8 times as large as a largest outer diameter of the rotor, andwherein the inlet air opening is the only air feed opening.

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