Heating element, particularly radiant heating element for heatin

Details Heating element, particularly radiant heating element for heatin Heating element, particularly radiant heating element for heatin

1983-08-31

1985-04-16

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

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

219449, 219464, 219486, 219466, H05B 102

Patent

active

045117896

ABSTRACT:
An electrical radiant heating body has two concentric heating zones with independently operable heating resistors. On only switching in the central zone, the associated heating resistor has a very high power which, on connecting in the outer zone, can be reduced by the connection in series of a heating resistor in the outer zone, so that there is a uniform heating surface loading for the total heating surface.
The thermometer probe of a thermal cut-out projects over the heating surface and has two contacts operating at different temperatures, one of them being a changeover contact.

REFERENCES:
patent: 2419083 (1947-04-01), Myers
patent: 2450399 (1948-09-01), Sheider
patent: 2906845 (1959-09-01), Turner
patent: 3257544 (1966-06-01), Benjamin, Jr.
patent: 4327280 (1982-04-01), McWilliams
patent: 4347432 (1982-08-01), Gossler
patent: 4350875 (1982-09-01), McWilliams
patent: 4371780 (1983-02-01), Gossler et al.
patent: 4393299 (1983-07-01), McWilliams

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