Ionic liquid temperature sensor

Details Ionic liquid temperature sensor Ionic liquid temperature sensor

G - Physics

01

K

G01K 5/02 (2006.01) G01K 5/12 (2006.01)

Patent

CA 2471962

A temperature sensor (10) having a capillary tube or stem (12) , sealed at both ends, with a thin bore (14) defined therein is applied to the measurement of temperatures having a range of about 100~ to +400~ Centigrade. A bub (16) comprising a liquid reservoir, is provided at one end of the capillary tube (12) , in liquid communication with the bore (14) , and is generally filled with an ionic thermometric liquid (18) . In the operation of the temperature sensor (10) , temperature is measured by the height of the liquid (18) in the bore (14) .

La présente invention concerne un capteur de température (10) comportant un tube ou une tige capillaire (12), scellé(e), avec un alésage de faible épaisseur (14) qui y est défini, destiné à la mesure de températures comprises entre environ -100 ·C et +400 ·C. Un réservoir (16) comportant une réserve de liquide est prévu à une extrémité du tube capillaire (12), en communication fluidique avec l'alésage (14), et est généralement rempli d'un liquide thermométrique (18). Lors de l'utilisation du capteur de température`(10), la température est mesurée par la hauteur du liquide (18) dans l'alésage.

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