Oxygen sensor element holding lamination type ceramic heater

Electric heating – Heating devices – With heating unit structure

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Details

219542, 219543, H05B 344

Patent

active

059904631

ABSTRACT:
An oxygen sensor element has a cup-type solid electrolyte body defining an air chamber therein, and a plate-like lamination-type ceramic heater is disposed in the air chamber with a front end portion contacting the bottom portion of the air chamber. Accordingly, the lamination type ceramic heater is prevented form being swung and hit against the electrolyte body.

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JP 04 157358 A (Nippondenso Co. Ltd.), May 29, 1992 & Database WPI Section Ch, Week 9225, Derwent Publications Ltd., London, GB, Class E36, AN 92-231513, XP002078850 & Patent Abstracts of Japan, vol. 16, No. 448 (P-1432-), Sep. 17, 1992.
JP 05 126789 A (Hitachi Ltd.), May 21, 1993 & Patent Abstracts of Japan, vol. 17, No. 495 (P-1608), Sep. 7, 1993, XP002078849.

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