Resistance adjusting type heater

Details Resistance adjusting type heater Resistance adjusting type heater

1991-12-26

1993-04-13

Reynolds, Bruce A.

Electric heating

Heating devices

With heating unit structure

219205, 392488, 428116, 60300, 422174, 55DIG30, H05B 310, F01N 310, B01D 5336

Patent

active

052025489

ABSTRACT:
A resistance adjusting type heater including a honeycomb structure, electrodes provided on the honeycomb structure, and slits as a resistance adjusting device provided between the electrodes, a sealing device for sealing a heat-non-generating portion of the honeycomb structure, wherein a gas is introduced into the passages of the heat-generating portion of the honeycomb structure and is heated. With this heater, the entirety of the exhaust gas introduced into the heater can be heated rapidly thereby ensuring excellent purification efficiency.

REFERENCES:
patent: 4364760 (1982-12-01), Higuchi et al.
patent: 5063029 (1991-11-01), Mizuno et al.
patent: 5098763 (1992-03-01), Horikawa et al.

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