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Self-registering temperature control device

  • US 4,318,276 A
  • Filed: 02/06/1980
  • Issued: 03/09/1982
  • Est. Priority Date: 02/06/1980
  • Status: Expired due to Term
First Claim
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1. A self-registering temperature control device used for a refrigerating system comprising:

  • an open-top housing;

    a base plate provided within said housing;

    an electronic control section mounted on said base plate for controlling air temperature in a refrigerated chamber;

    a face plate to cover the open-top housing;

    an automatic temperature recording section to sense and record the controlled air temperature, including a recording chart rotatably mounted on an outer surface of the face plate, a tuning fork motor carried by the base plate, a gear reducer carried by the base plate and operatively connected with the motor, a battery carried by the base plate for operating the motor, and means for connecting said chart and said gear reducer; and

    a voltmeter provided on the outer surface of the face plate and connected with said battery.

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