Method and apparatus for charging pressurized systems

Details Method and apparatus for charging pressurized systems Method and apparatus for charging pressurized systems

F - Mech Eng,Light,Heat,Weapons

17

C

F17C 5/00 (2006.01) F16N 37/02 (2006.01) F25B 45/00 (2006.01) F25B 31/00 (2006.01)

Patent

CA 2235673

The present invention relates to a method and apparatus for charging a closed, pressurizable fluid system (40) with an appropriate fluid (44), comprising a) (16) connecting to the system (44) a closed, unpressurized container (42) containing a predetermined amount of the fluid (44), b) (18) mechanically forcing the contents out of the container (42) into the system being recharged (40), and c) (19) disconnecting the container (42). Preferably, the container (42) is cylindrical cartridge having a piston sealably disposed therein to displace the cartridge contents. The method and apparatus are effective in recharging various pressurized systems and fluids, such as air conditioning and refrigeration coolant lines, dye injectors, oils, chemicals, glue and the like.

L'invention concerne un procédé et un appareil pour charger avec un fluide (44) approprié un système fermé (40) à fluide sous pression. Ledit procédé consiste à: a) (16) brancher au système (40) un conteneur (42) à la pression atmosphérique et fermé, qui renferme une quantité prédéterminée dudit fluide (44); b) (18) expulser mécaniquement le contenu hors du conteneur (42) de sorte qu'il soit envoyé dans le système (40) en train d'être rechargé; et c) (19) débrancher le conteneur (42). De préférence, le conteneur (42) est une cartouche cylindrique ayant un piston moulé étanche dans celle-ci et servant à déplacer le contenu de la cartouche. Le procédé et l'appareil permettent de recharger efficacement différents systèmes sous pression, tels que des tuyauteries de conditionnement d'air, des tuyauteries de réfrigération ou des injecteurs de colorants avec différents fluides, tels que des huiles, des produits chimiques ou des colles.

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