Fluid change system

B - Operations – Transporting – 67 – D

Patent

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Details

B67D 7/04 (2010.01) B60S 5/00 (2006.01) F16N 31/00 (2006.01) F16N 37/00 (2006.01)

Patent

CA 2233035

A fluid change system (10) for use in changing fluid, i.e. motor oil from machinery has a portable "suitcase" unit (12) and a recharge unit (14) for recharging the suitcase unit. The suitcase unit has a used fluid tank (22), a new fluid tank (20), and a compressed air tank (18) and a four way control valve (56). Recharge ports (58, 60, 62, 64, 66) allow for recharge of the suitcase unit through which the new fluid tank is refilled with new fluid and recharged with pressurized inert gas, the used fluid tank is emptied and placed under vacuum, and the compressed air tank is refilled with compressed air. A venturi (84) allows extra vacuum to be placed on the used fluid tank by a user. A computer (212) controls the recharge sequence.

La présente invention concerne un système (10) de remplacement d'un liquide, à savoir de l'huile de moteur provenant de machines. Ce système comprend une unité logée dans une "valise" portable (12) et une unité de recharge (14) de la précédente. L'unité-valise possède un réservoir (22) pour le liquide usagé, un réservoir de liquide neuf (20) et une bouteille d'air comprimé (18) ainsi qu'un distributeur à quatre voies (56). Des raccords de rechargement (58, 60, 62, 64, 66) permettent de recharger l'unité-valise, le réservoir de liquide neuf étant rempli à nouveau et rechargé de gaz inerte sous pression, le réservoir de liquide usagé étant vidé et placé sous vide, et la bouteille d'air comprimé étant rechargée. Un venturi (84) permet à l'utilisateur d'augmenter le vide dans le réservoir de liquide usagé. Un ordinateur (212) commande les opérations de rechargement.

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