Radiant electric heater incorporating a temperature sensor...

Details Radiant electric heater incorporating a temperature sensor... Radiant electric heater incorporating a temperature sensor...

2005-09-06

2005-09-06

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

C219S451100, C219S460100, C219S448180, C219S458100, C219S494000, C219S504000, C219S462100

Reexamination Certificate

active

06940048

ABSTRACT:
A radiant electric heater (2) is arranged for location underneath and against a cooking plate (12) and incorporates a heating element (14) spaced from the cooking plate and a temperature sensor assembly (26). The temperature sensor assembly (26) comprises a beam (28) of ceramic material provided within the heater and extending at least partially across the heater over the at least one heating element (14). The beam (28) has a substantially planar upper surface (32) arranged to face the cooking plate (12), in contact with the cooking plate or in close proximity to it, and an under surface (34) arranged for exposure to direct radiation from the heating element (14). Provided on the planar upper surface (32) is an electrical component (36), such as of film or foil form, having an electrical parameter which changes as a function of temperature of the cooking plate.

REFERENCES:
patent: 4103275 (1978-07-01), Diehl et al.
patent: 5893996 (1999-04-01), Gross et al.
patent: 6039040 (2000-03-01), Thumfart et al.
patent: 0943870 (1999-09-01), None
patent: 943870 (1999-09-01), None
patent: 2192279 (1988-01-01), None
patent: WO9516334 (1995-07-01), None
International Search Report May 21, 2003.

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