Method and apparatus for monitoring a fluid system

Details Method and apparatus for monitoring a fluid system Method and apparatus for monitoring a fluid system

G - Physics

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G01M 3/02 (2006.01) B01D 15/08 (2006.01) B01D 17/12 (2006.01) G01F 1/20 (2006.01) G01F 1/56 (2006.01) G01N 30/26 (2006.01) G01N 30/32 (2006.01) G01N 30/64 (2006.01) G01N 30/86 (2006.01)

Patent

CA 2477693

An apparatus and method for monitoring seal leakage within a fluid system, particularly well suited for high pressure liquid chromatography systems. The apparatus includes a liquid chamber (48) separated by a seal (49) from a wash chamber (58). A supply pump (51) supplies a uniform flow of wash solution from a reservoir (32) to the wash chamber (58). A return line (42) conveys a return flow from the wash chamber (58), including any leakage of fluid from the liquid chamber (48), through return line (42) to the reservoir (32). A detector (37) determines whether there is any differential between the unidirectional flow and the return flow.

L'invention concerne un dispositif et un procédé pour le contrôle de fuite de joint dans un système fluidique, se prêtant particulièrement bien à une mise en oeuvre dans les systèmes de chromatographie liquide haute pression. Le dispositif comprend une chambre de liquide (48) séparée par un joint (49) d'une chambre de lavage (58). Une pompe d'alimentation (51) fournit un flux uniforme de solution de lavage depuis un réservoir (32) à la chambre de lavage (58). Une conduite de retour (42) achemine un flux de retour depuis la chambre de lavage (58), y compris toute fuite de liquide, depuis la chambre de liquide (48), vers le réservoir (32). Un détecteur (37) détermine s'il existe un différentiel entre le flux unidirectionnel et le flux de retour.

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