GAS SENSOR

PROBLEM TO BE SOLVED: To suppress heat transfer to a seal member, and to suppress degradation of the seal member.SOLUTION: In an outer periphery in a radial direction of a tip side part of a main body 202, a groove part 75 is provided that is recessed inward in the radial direction thereof via an ai...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATSUOKA TOSHIYA, TAJIMA TOMOHIRO, OSAWA TAKAMASA, YONEZU KUNIHIKO, NISHIO HISAHARU
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To suppress heat transfer to a seal member, and to suppress degradation of the seal member.SOLUTION: In an outer periphery in a radial direction of a tip side part of a main body 202, a groove part 75 is provided that is recessed inward in the radial direction thereof via an air gap 220 from an outer surface of the tip side part thereof, and a thin plate member 70 is provided that has at least one end joined to an outer surface of the main body 202. A seal member 80 is disposed in the groove part 75 and has elasticity due to resin. The air gap 220 functioning as a heat insulation layer lies between the seal member 80 and the main body 202, so that the heat transfer from the main body 202, that is, heat transfer via a first path 250 is reduced and the degradation of the seal member 80 due to heat can be suppressed.