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Molten metal stirring apparatus

  • US 3,314,670 A
  • Filed: 11/15/1963
  • Issued: 04/18/1967
  • Est. Priority Date: 11/15/1963
  • Status: Expired due to Term
First Claim
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1. MOLTEN METAL STIRRING APPARATUS COMPRISING A LADLE FOR RECEIVING MOLTEN METAL TO BE STIRRED, A PLURALITY OF PHASE COILS WOUND AROUND SAID LADLE ALONG THE VERTICAL AXIS THEREOF, SAID COILS BEING AXIALLY ALIGNED AND SPACED ONE FROM ANOTHER, A LOW FREQUENCY POLYPHASE SUPPLY SYSTEM SUPPLYING ELECTRICAL POEWR TO SAID COILS, SAID COILS PROGRESSIVELY VARYING IN ELECTRICAL PHASE ANGLE, SAID COILS BEING CONNECTED TO INCLUDE ONE MAGNETICALLY REVERSED COIL FOR EACH COIL DIRECTLY CONNECTED TO THE POLYPHASE SUPPLY SYSTEM.

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