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Vibrator motor with self-contained cooling means

  • US 3,346,748 A
  • Filed: 06/07/1965
  • Issued: 10/10/1967
  • Est. Priority Date: 06/07/1965
  • Status: Expired due to Term
First Claim
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2. IN A VIBRATING DEVICE HAVING A FREELY VIBRATING CORE AND AN EXCITATION COIL WHICH INDUCES A DIRECTIONAL FIELD IN SAID CORE, SAID DIRECTIONAL FIELD ASSISTING IN CAUSING SAID CORE TO VIRBRATE AND TO TRANSMIT THE VIRBRATORY ENERGY TO SAID DEVICE, THE IMPROVEMENT COMPRISING, SAID CORE CONSISTING OF A SINGLE LEG OF A NON-LAMINATED MAGNETICALLY PERMEABLE METAL, SAID INDUCING COIL CIRCUMSCRIBING SAID CORE, AND A MEANS TO CONDUCT HEAT DEVELOPED BY THE COOPERATING CORE AND COIL COMBINATION AWAY FROM SAID COMBINATION.

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