Temperature sensor for use in a spark plug of an internal combus

Details Temperature sensor for use in a spark plug of an internal combus Temperature sensor for use in a spark plug of an internal combus

1989-07-12

1991-06-18

Will, Thomas B.

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

313 10, 34087017, 34087028, G01K 114, G01K 702, F02P 1700

Patent

active

050245341

ABSTRACT:
A temperature sensor in which a thermocouple is embedded in a front end of a center electrode of a spark plug, the front end of which is disposed in a combustion chamber of an internal engine, and including a digital-optical converter which is arranged to convert the potential of the thermocouple into an optical output representing the temperature of the spark plug. A connector is arranged to be removably connected to a receptacle in the digital-optical converter. The connector has a pair of contacts which are adapted to energize the digital-optical converter when the connector is electrically connected to the receptacle.

REFERENCES:
patent: 1084838 (1914-01-01), Beck
patent: 3940987 (1976-03-01), Green et al.
patent: 4361036 (1982-11-01), Levenson
patent: 4446723 (1984-05-01), Boning et al.

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