A coriolis flowmeter having an explosion proof housing

Details A coriolis flowmeter having an explosion proof housing A coriolis flowmeter having an explosion proof housing

G - Physics

01

F

G01F 1/84 (2006.01) G01F 15/10 (2006.01) G01F 15/14 (2006.01)

Patent

CA 2361995

A system enclosing a Coriolis flowmeter in a explosion proof housing. The explosion proof housing is structured in a way that the housing can withstand an explosion of volatile material inside the housing. The explosion proof housing prevents sparks and heat inside the housing from igniting volatile material outside the housing. Any gaps or openings in the explosion proof housing provide a flame path of sufficient length to cool a flame or hot material escaping from the housing. The use of the secondary housing as an explosion proof compartment allows the use of a driver having greater power as well as conventional leads inside the housing.

L'invention concerne un système comprenant un débitmètre à effet de Coriolis situé dans un carter antidéflagrant. Ce dernier est conçu de façon à pouvoir résister à une explosion intérieure de matières volatiles. Le carter antidéflagrant empêche des étincelles et la chaleur situées à l'intérieur d'enflammer les matières volatiles situées à l'extérieur du carter. Chaque espace ou orifice dans le carter fournit une voie coupe-feu d'une longueur suffisante pour refroidir une flamme ou des matières à température élevée qui s'échappent du carter. L'utilisation d'un second carter comme compartiment antidéflagrant permet d'utiliser à l'intérieur du carter un entraîneur à plus grande puissance ainsi que des fils de connexion classiques.

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