Electric hotplate with receptacle presence detecting and tempera

Details Electric hotplate with receptacle presence detecting and tempera Electric hotplate with receptacle presence detecting and tempera

1992-12-29

1994-03-15

Reynolds, Bruce A.

Electric heating

Heating devices

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

219518, F24C 708, H05B 102, H05B 368

Patent

active

052947793

ABSTRACT:
Electric hotplate (1) comprising a temperature sensor (3) which includes a temperature-sensitive surface (4) projecting with respect to the surface of the hotplate intended to receive a cooking receptacle. The sensor (3) comprises in combination a device (5) for measuring the temperature of the temperature-sensitive surface (4); a detector (7, 8) for detecting the presence of the receptacle on said hotplate; and a fuse (6, 23) comprising a thermal safety element in contact with the temperature-sensitive surface (4) for cutting off the electrical supply to the hotplate (1) when the temperature reaches a predetermined maximum value.

REFERENCES:
patent: 2430196 (1947-11-01), Vaughan
patent: 2898439 (1959-08-01), Wantz et al.
patent: 2913562 (1959-11-01), Weber et al.
patent: 3018356 (1962-01-01), Busch et al.
patent: 3042783 (1962-07-01), Mertler
patent: 4214150 (1980-07-01), Cunningham
patent: 4241289 (1980-12-01), Bowling
patent: 4499368 (1985-12-01), Payne
patent: 5001328 (1991-03-01), Schreder et al.

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