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SPRAY COOLED V-WEDGE FOR AEROSPACE GENERATOR

  • US 20080252155A1
  • Filed: 04/16/2007
  • Published: 10/16/2008
  • Est. Priority Date: 04/16/2007
  • Status: Active Grant
First Claim
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1. An electric machine having a stator and a rotor rotationally mounted at least partially within said stator, comprising:

  • a hollow shaft having at least one orifice extending between a shaft inner surface and a shaft outer surface;

    at least a first and a second pole, extending outward radially from said shaft, each pole spaced apart from one another to form an interpole region therebetween;

    a coil support assembly positioned in said interpole region and having a longitudinally extending hollow main body enclosing a chamber, said coil support assembly having a coil support assembly fluid port extending therethrough in communication with said chamber;

    a cooling fluid flow passage formed in said interpole region, said cooling fluid flow passage having an inlet in fluid communication with said shaft orifice and an outlet in fluid communication with said coil support assembly fluid port; and

    said shaft orifice, said coil support assembly fluid port, and said lamination cooling fluid flow passage configured such that cooling fluid passes from said shaft to said coil support assembly chamber.

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