Liquid level sensor for use in a hot, pressurized liquid

Details Liquid level sensor for use in a hot, pressurized liquid Liquid level sensor for use in a hot, pressurized liquid

G - Physics

01

F

G01F 23/00 (2006.01) G01F 23/292 (2006.01)

Patent

CA 2289035

In a preferred embodiment, a liquid level sensor (10) for use in a hot, pressurized liquid (14), including: an outer housing (20) suitable for immersion in liquid (14); an inner housing (22) disposed within outer housing (20) and containing therein electronic/electrical components (70); detection apparatus (74) disposed within outer housing (20) and inner housing (22) to detect the level of liquid (14); a space defined between outer housing (20) and inner housing (22); and means (98) to permit liquid (14) which migrates through a wall of outer housing (20) into the space and which is vaporized therein to pass to the ambient surroundings, so as to preclude migration of the liquid through a wall of inner housing (22).

L'invention porte sur une jauge de niveau (10) pour liquides (14) chauds sous pression comportant une enveloppe extérieure (20) conçue pour être plongée dans le liquide (14), une enveloppe intérieure (22) placée dans l'enveloppe extérieure (20) et contenant des composants (70) électroniques et électriques, un appareil de détection (74) placé dans l'enveloppe extérieure (20) et l'enveloppe intérieure (22) et servant à mesurer le niveau de liquide (14), un espace compris entre le logement extérieur (20) et le logement intérieur (22), et des moyens (98) permettant au liquide (14), migrant à travers une paroi de l'enveloppe extérieure (20) vers l'espace intermédiaire où il se vaporise, de rejoindre l'atmosphère environnante afin d'empêcher la migration du liquide à travers une paroi de l'enveloppe intérieure (22).

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