Electric heating – Heating devices – With heating unit structure
Patent
1996-06-19
2000-03-07
Paschall, Mark
Electric heating
Heating devices
With heating unit structure
250504R, H05B 310
Patent
active
060343605
ABSTRACT:
Infrared radiator has a heating element (1) heated by electric current and a first thermocouple (2) thermally coupled to the heating element to measure its temperature. According to the invention, the first thermocouple (2) is electrically so connected to the heating element (1) that the electric current used to heat the heating element flows through the thermocouple. The invention allows the temperature of the heating element to be measured without the use of a separate temperature detector, which would cause problems.
REFERENCES:
patent: 4039778 (1977-08-01), Williams
patent: 4499382 (1985-02-01), Vincent
patent: 4546485 (1985-10-01), Griffiths
patent: 4620104 (1986-10-01), Nordal et al.
patent: 4738700 (1988-04-01), Grundy
patent: 4754124 (1988-06-01), Howell
patent: 5247185 (1993-09-01), Herrera et al.
patent: 5436457 (1995-07-01), Tomita
Instrumentarium Oy
Paschall Mark
Pwu Jeffrey
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