Solid electrolyte oxygen sensor with integral heater

Details Solid electrolyte oxygen sensor with integral heater Solid electrolyte oxygen sensor with integral heater

1979-07-16

1981-02-17

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2758

Patent

active

042513421

ABSTRACT:
Solid electrolyte oxygen sensor incorporates a sealed integral heater which is positioned internally of the tubular wall of the ceramic sensor body in the region radially adjacent the disc shaped solid electrolyte which is mounted transverse to the axis of the body. A plurality of small longitudinal apertures are formed in the body wall by extrusion. A groove formed in the external side wall of the body provides access so that a resistance heating wire can be threaded alternately in opposite directions through the small apertures. The wire bends are accommodated by the side wall groove and an end wall groove, each of which can be sealed with a castable ceramic after the wire is installed.

REFERENCES:
patent: 4129491 (1978-12-01), Obiaya
patent: 4155827 (1979-05-01), Maurer et al.
patent: 4178222 (1979-12-01), Murphy et al.

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