David A Fredericks

US Patent:

41697782, Oct 2, 1979

Filed:

Nov 16, 1978

Appl. No.:

5/961137

Inventors:

Gamdur S. Mann - Flint MI
Michael P. Murphy - Flint MI
David R. Fredericks - Grand Blanc MI
Kenneth R. Deming - Flint MI

Assignee:

General Motors Corporation - Detroit MI

International Classification:

G01N 2758

US Classification:

204195S

Abstract:

A readily manufacturable heated solid electrolyte oxygen sensor having an elongated heater supported in subassembly with a tubular terminal for a reference electrode of the sensor. The heater is coaxial with the electrode terminal for predetermined disposition with respect to the sensor solid electrolyte member. The heater includes a rod coaxially in a ceramic tube and a resistance heating coil and crimped outer connector around the ceramic tube. Fused glass, directly bonded to the ceramic tube, supports the heater in the electrode terminal.