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Automatic control means

  • US 3,332,621 A
  • Filed: 09/15/1964
  • Issued: 07/25/1967
  • Est. Priority Date: 10/10/1963
  • Status: Expired due to Term
First Claim
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1. TEMPERATURE REGULATING MEANS COMPRISING, IN COMBINATION, AT LEAST ONE FAN, A MOTOR FOR DRIVING EACH FAN, A TIMER, AT LEAST ONE CAM, ELECTRICAL CONTACTS OPERABLE BY SAID CAM EFFECTIVE TO ALTER THE POWER SUPPLIED TO SAID MOTOR FROM A POWER SOURCE, A CAM DRIVING MOTOR AND AT LEAST ONE THERMOSTAT EFFECTIVE, UPON TEMPERATURE CHANGE OF A MEDIUM ACTED UPON BY SAID FAN, TO ENERGISE SAID CAM DRIVING MOTOR, TO ROTATE SAID CAM, OPERATE SAID ELECTRICAL CONTACTS, AND EFFECT A SPEED CHANGE OF SAID MOTOR, SAID

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