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Systems and methods for fluid distribution for cooling and lubrication of electric machines

  • US 8,410,647 B2
  • Filed: 01/25/2011
  • Issued: 04/02/2013
  • Est. Priority Date: 08/25/2010
  • Status: Expired due to Fees
First Claim
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1. An electric machine comprising:

  • a rotor fixed to a rotatable shaft and supported by means of one or more bearings;

    a stator stationary in relation to the rotatable rotor and shaft with a gap between the rotor and the stator;

    a housing surrounding all or part of the machine; and

    a fluid distribution manifold with at least one inlet and a plurality of distribution openings leading to a plurality of fluid flow passages within the machine that are in fluid communication with the rotor, stator, or housing, wherein the plurality of fluid flow passages includes one or more stator fluid flow pathways between the stator and housing directing fluid to flow circumferentially around the perimeter of the stator.

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