Pressure and temperature sensor

Details Pressure and temperature sensor Pressure and temperature sensor

H - Electricity

01

L

340/133, 73/3, 3

H01L 35/00 (2006.01) G01K 13/10 (2006.01) G01L 11/00 (2006.01) G01L 19/00 (2006.01) H01L 35/32 (2006.01) E21B 47/06 (2006.01)

Patent

CA 1288173

ABSTRACT A pressure and temperature sensor, having a body with an axial bore defining a chamber, two thermocouple or other electrical terminals positioned in the chamber, and a piston moveable within the bore towards and away from the terminals. A disc carried by the piston comes into contact with the terminals at a certain point in the travel of the piston. A gas supply communicates with the chamber for regulating the pressure in the bore above the piston. The thermocouple, if used, enables a temperature reading to be taken. Regulating the gas pressure in the bore to the point where the thermocouple contact is broken by the piston moving away from the terminals provides an indication of the pressure. The system can be used for pressure indications only, if desired.

577997

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