Sheathed heater with a series-connected current regulating resis

Details Sheathed heater with a series-connected current regulating resis Sheathed heater with a series-connected current regulating resis

1996-08-28

1998-06-16

Jeffery, John A.

Electric heating

Heating devices

Resistive element: igniter type

219544, 219505, 338 22R, 420435, F23Q 700

Patent

active

057674850

ABSTRACT:
A sheathed heater comprises a heater disposed in a sheath tube by way of an insulation powder and is connected in series with a heat resistor and a current regulation resistor. The current regulation resistor is made from a cobalt-copper alloy which contains a copper component in the range from 1.0% to 14% by weight.

REFERENCES:
patent: 2294756 (1942-09-01), Inutsuka et al.
patent: 3444501 (1969-05-01), Delaney et al.
patent: 4345555 (1982-08-01), Oshima et al.
patent: 4423309 (1983-12-01), Murphy et al.
patent: 5091631 (1992-02-01), Dupuis et al.
patent: 5093555 (1992-03-01), Dupuis et al.
patent: 5118921 (1992-06-01), Aota
patent: 5132516 (1992-07-01), Hatanaka et al.
patent: 5206483 (1993-04-01), Aota
patent: 5319180 (1994-06-01), Locher et al.

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