Oxygen sensor

Details Oxygen sensor Oxygen sensor

1977-05-23

1978-09-26

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

55486, 55487, 55527, 55528, G01N 2746

Patent

active

041167970

ABSTRACT:
An oxygen sensor to be used with internal combustion engines, in automobiles, etc.. The sensor includes a solid electrolyte tube with a closed tip, an outer and an inner electrode respectively formed on the outside and the inside of the electrolyte tube, a housing to hold the tube, electrically conductive means to take out the electrical output of the inner metal electrode, a cover supported by the housing; an air passage in an end opening of the cover; and a multi-layer heat-resistant filter with a low rate of thermal expansion in the air passage.

REFERENCES:
patent: 2146071 (1939-02-01), Horvath
patent: 2594793 (1952-04-01), Muerle
patent: 2822059 (1958-02-01), Lunn et al.
patent: 3455792 (1969-07-01), Ohta
patent: 3720594 (1973-03-01), Wilson
patent: 3960693 (1976-06-01), Weyl et al.
patent: 4019974 (1977-04-01), Weyl et al.

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