Electricity: electrical systems and devices – Safety and protection of systems and devices – Circuit interruption by thermal sensing
Patent
1987-05-12
1989-01-10
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Circuit interruption by thermal sensing
236 78B, 236DIG2, 236 15R, 110190, 431 16, 432 36, F23N 524
Patent
active
047977760
ABSTRACT:
A system to continually monitor the integrity of control and safety thermocouples within a furnace comprising a low furnace temperature reader connected in parallel with a high furnace temperature reader to a single safety thermocouple.
REFERENCES:
patent: 2788175 (1957-04-01), Bourek et al.
patent: 3430856 (1969-03-01), Engelhard
patent: 4296727 (1981-10-01), Bryan
"Alnor", Illinois Testing Laboratories, Inc. Alnor Pyrotac Automatic Protection Product Bulletin 4703-10M, Apr. 1952.
Complete Temperature Measurement Handbook and Encyclopedia, OMEGA Engineering, Inc. pp. 17, 18 (1985).
Ktorides Stanley
Pellinen A. D.
Union Carbide Corporation
Williams H. L.
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