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Apparatus for and method of motor cooling

  • US 3,241,331 A
  • Filed: 04/17/1963
  • Issued: 03/22/1966
  • Est. Priority Date: 04/17/1963
  • Status: Expired due to Term
First Claim
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17. THE METHOD OF COOLING A MOTOR INCLUDING A DRIVE SHAFT, A ROTOR HAVING AT LEAST ONE PASSAGE FORMED THEREIN, END RINGS SECURED TO OPPOSITE ENDS OF SAID ROTOR, A STATOR HAVING AT LEAST ONE PASSAGE AND A HOUSING SURROUNDING SAID DRIVE SHAFT, ROTOR AND STATOR;

  • WHICH COMPRISES THE STEPS OF DELIVERING A COOLING MEDIUM WITHIN THE HOUSING ADJACENT THE ROTATABLY DRIVEN DRIVE SHAFT, COLLECTING COOLING MEDIUM FLOWING RADIALLY OUTWARDLY UNDER THE INFLUENCE OF CENTRIFUGAL FORCES DEVELOPED BY THE DRIVE SHAFT, CONFINING THE COLLECTED COOLING MEDIUM IN A SPACE HAVING COMMUNICATION WITH THE ROTOR PASSAGE SO AS TO PROVIDE A LIQUID HEAD FOR THE FLOW OF COLLECTED COOLING MEDIUM THROUGH THE PASSAGE.

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