Heating system

Details Heating system Heating system

2005-04-05

2005-04-05

Paik, Sang (Department: 3742)

Electric heating

Heating devices

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

C219S444100, C219S544000

Reexamination Certificate

active

06875960

ABSTRACT:
A heating system25has a main electric heat-generating element3and a heating surface4afor heating an object, auxiliary electric heat-generating elements5A to5D, and a main power source1for supplying power to the main heating element. The system25further has an auxiliary power source2for supplying power to the auxiliary heating elements, and a power source controller for controlling the power supplied to the main heating element and to the auxiliary heating elements respectively and independently. Power supplied to the main heating element3is controlled by the controller within a first power range and power supplied to the auxiliary heating elements is controlled by the controller within a second power range. The second power range has a width smaller than that of the first power range so as to control temperature distribution on the heating surface4a.

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