Oxygen concentration sensor

Details Oxygen concentration sensor Oxygen concentration sensor

1996-03-01

1998-06-02

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204408, 204421, 204427, 204428, G01N 27409

Patent

active

057593655

ABSTRACT:
According to the present invention, an oxygen concentration sensor for detecting an oxygen concentration includes a sensor element having an atmospheric chamber therein, a heater inserted in the atmospheric chamber, and a holder for holding the heater in the atmospheric chamber. The holder includes a cylindrical portion for covering an outer periphery of the heater, and a plurality of cantilever elastic pieces provided at a lower portion of the cylindrical portion. The elastic pieces includes a heater supporting portion elastically contacting with the periphery of the heater and a fixing portion elastically contacting with an inner surface of the sensor element. In this way, it is possible to assemble a heater into a sensor element easily without causing damage to the heater.

REFERENCES:
patent: 2100042 (1937-11-01), Travis
patent: 3835012 (1974-09-01), Hemak
patent: 4540070 (1985-09-01), Yonovich et al.
patent: 4556475 (1985-12-01), Bayha et al.
patent: 4741816 (1988-05-01), Nishio et al.
patent: 4824550 (1989-04-01), Ker et al.
patent: 5098548 (1992-03-01), Duce

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