Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1990-05-02
1991-01-08
Kaplan, G. L.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
338 34, 439676, 439686, 439691, 439839, 439913, G01N 27409
Patent
active
049832719
ABSTRACT:
Excellent electrical connection between a female contact and an electrode terminal of an oxygen sensor can be assured for a long period of use even when the oxygen sensor is exposed to vibrations and/or humid atmosphere, by providing an oxygen sensor, comprising electrodes, a sensor element which generates an electromotive force or which changes its electric resistance value between the electrodes depending on oxygen concentration of a gas to be measured, electrode terminals arranged on the sensor element and connected to the electrodes, and a metallic accommodating member accommodating the sensor element, comprising; a female contact electrically connected to the electrode terminal; a ceramic housing electrically insulating the female contact from the metallic accommodating member; a resilient member pressing the ceramic housing; and a caulking ring pressing the resilient member to exhibit its resilient power; the female contact, the ceramic housing, the resilient member and the caulking ring forming a consent device receiving the electrode terminal; the caulking ring being caulked to press the resilient member such that the female contact is pressed and electrically connected to the electrode terminal by a given pressure.
REFERENCES:
patent: 4193965 (1980-03-01), Cullingford et al.
patent: 4880519 (1989-11-01), Wang et al.
Kato Nobuhide
Katsu Masanori
Kaplan G. L.
NGK Insulators Ltd.
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