Measuring and testing – Gas analysis – Gas chromatography
Patent
1984-10-26
1986-06-24
Kreitman, Stephen A.
Measuring and testing
Gas analysis
Gas chromatography
338 34, G01N 2712
Patent
active
045961328
ABSTRACT:
A gas component detecting plug including a gas component-sensitive element, lead wires connected to the gas component-sensitive element, a tubular or board-like insulator which supports both the gas component-sensitive element and the lead wires, and an enclosure, the insulator being sealed to the enclosure so that the gas component-sensitive element is positioned on a leg portion side, characterized in that a spacer is disposed and retained in a gap formed between the insulator and the enclosure, in that a space on a head portion side formed by the insulator, enclosure, spacer and electrode wires is filled with glass and in that a rubbery elastic member having an insulating property is inserted in the head portion side. The gas component detecting plug is superior in water-proofness, gas-tightness, heat insulating property and productivity.
REFERENCES:
patent: 4206173 (1980-06-01), Yamaguchi et al.
patent: 4308518 (1981-12-01), Hattori et al.
patent: 4401967 (1983-08-01), Miwa et al.
patent: 4442420 (1984-04-01), Novak
Kawai Nobuo
Kimura Toshihiko
Matsuura Toshitaka
Takami Akio
Kreitman Stephen A.
NGK Spark Plug Co. Ltd.
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