Grease exhaust cleaning system

B - Operations – Transporting – 08 – B

Patent

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Details

B08B 3/02 (2006.01) B08B 9/02 (2006.01) B08B 9/04 (2006.01)

Patent

CA 2417946

A method and apparatus (10) for cleaning passageways such as air ducts or flues. The apparatus (10) includes a body having a nozzle, or plurality of nozzles, rotatably coupled to it. A cage (12) is coupled to the body and circumscribes the rotative path of the nozzle or nozzles. The nozzles are configured such that passage of fluid through the nozzle's orifice propels the apparatus along a defined axis. The nozzles may be further configured such that passage of fluid through the nozzle's orifice imparts a rotating motion of the nozzle about the defined axis. The apparatus (10) is placed in a duct or ventilation passageway, preferably at the highest vertical location of the passageway. Fluid is then passed through the nozzle spraying and cleaning the interior of the duct. The propelling force of the spray causes the apparatus to maneuver its way through the duct system, including through angular transitions, until it travels the entire pathway of the duct.

L'invention concerne un procédé et un appareil (10) de nettoyage des voies de passage telles que des conduits ou des tuyaux d'air. L'appareil (10) comprend un corps présentant une buse ou une pluralité de buses lui étant couplées rotatives. Une cage (12) est couplée au corps et entoure le chemin rotatif de la buse ou des buses. Les buses sont configurées de telle manière que le passage d'un fluide à travers l'orifice de la buse propulse l'appareil le long d'un axe défini. Les buses peuvent aussi être configurées de telle manière qu'un passage de fluide à travers l'orifice de la buse confère un mouvement rotatif à la buse autour de l'axe défini. L'appareil (10) est placé dans un conduit ou un passage de ventilation, de préférence au point vertical le plus haut du passage. Du fluide est ensuite passé à travers la buse pulvérisant et nettoyant l'intérieur du conduit. La force de propulsion de la pulvérisation fait parcourir un chemin à l'appareil à travers le système de conduit, y compris dans des transitions angulaires, jusqu'à ce qu'il ait parcouru tout le chemin du conduit.

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