Oxygen sensing unit

Details Oxygen sensing unit Oxygen sensing unit

1990-03-01

1991-09-17

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204424, G01N 27409

Patent

active

050492551

ABSTRACT:
In an oxygen sensing unit, an oxygen sensing cell with a closed outer end is encircled by a side wall of a protective shell or shield, and recessed from an open mouth of the shell. The cell and shell are mounted in a plug made up of a closure cap with an externally threaded section and a plug body with an internally threaded section complementary to the externally threaded section of the closure cap, the two parts of the plug cooperating to hold and compress the shell and cell, mediately or immediately, and permit the removal and replacement of the cell.

REFERENCES:
patent: 4121989 (1978-10-01), Shum et al.
patent: 4127464 (1978-11-01), Ichikawa et al.
patent: 4141813 (1979-02-01), Kita et al.
patent: 4152232 (1979-05-01), Otsuka et al.
patent: 4184934 (1980-01-01), Bode et al.
patent: 4756885 (1988-07-01), Raff et al.
patent: 4824550 (1989-04-01), Ker et al.
patent: 4842713 (1989-06-01), Stahl
patent: 4897174 (1990-01-01), Wang et al.

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