Oxygen sensor

Details Oxygen sensor Oxygen sensor

1989-07-20

1990-08-14

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204427, 204428, 338 34, G01N 27409

Patent

active

049484915

ABSTRACT:
An oxygen sensor having construction of an upper open end portion plugged with a grommet through which lead wires are taken out of a protecting metallic cover. A resin grommet of a heat resistant resin such as Teflon, polyimide or the like is fitted in the upper open end portion of the metallic cover with a portion of the grommet being extended from upper open end portion of the metallic cover. A heat resistant non-metallic tube such as Teflon, polyimide, silicone rubber, fluororubber tube is closely fitted on the periphery of the extended portion of the resin grommet and the periphery of the upper end portion of the metallic cover and a metallic tube being closely fitted on the periphery of a portion of the non-metallic tube which is fitted on at least the metallic cover.

REFERENCES:
patent: 4141813 (1979-02-01), Kita et al.
patent: 4588494 (1986-05-01), Kato et al.
patent: 4591423 (1986-05-01), Kato et al.
patent: 4642174 (1987-02-01), Shibata

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