Refrigeration – With indicator or tester – Operatively correlated with automatic control
Patent
1992-12-08
1994-07-05
Tanner, Harry B.
Refrigeration
With indicator or tester
Operatively correlated with automatic control
62129, 62211, 236 94, 236 46F, F25B 4900
Patent
active
053256786
ABSTRACT:
Temperature controller apparatus for generating a control signal for supply to a control device which controls the temperature inside a chamber. The apparatus includes a plurality of input devices each receiving an indication of the temperature at a respective location in the chamber. Each of the received temperature indications is processed so as to form the control signal. In the event that any of the input devices fails to receive the respective temperature indication, output signals from such input devices are not utilized in forming the control signal. If all of the input devices fail to receive the respective temperature indications, the control signal is obtained from either previous control signals or previously stored control data.
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Borah Frederic M.
Caruso Anthony P.
Gavarian Richard J.
Leib, Jr. Anthony
Lopez Edwin D.
Peerless Instrument Co., Inc.
Ryan Matthew K.
Smid Dennis M.
Tanner Harry B.
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