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Sleeve supported two pole rotor assembly

  • US 4,139,789 A
  • Filed: 05/23/1977
  • Issued: 02/13/1979
  • Est. Priority Date: 03/06/1975
  • Status: Expired due to Term
First Claim
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1. A rotary electrical machine having a housing, a rotor member comprising a body of magnetizable material, a rigid sleeve of non-magnetic material surrounding said rotor member and supporting the latter, means for rotatably supporting said sleeve in said housing, a first winding lying in a generally diametral plane of said rotor member, and passage means for permitting a fluid to flow within said sleeve from one axial end of said rotor member to the other axial end thereof, said passage means being provided by openings in said rotor member body.

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