Air purifier device

F - Mech Eng,Light,Heat,Weapons – 24 – F

Patent

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Details

F24F 13/28 (2006.01) B01D 46/42 (2006.01) F24F 1/00 (2006.01)

Patent

CA 2589156

The present invention is generally directed to devices useful in insuring the proper installation of a high efficiency particulate air (~HEPA~) filter into a room air purifier. In accordance with one aspect of the present invention, a magnetic interlock device is provided wherein the filter must be properly installed within the air purifier to enable closure of an electrical switch (74) within the air purifier, thereby completing an electrical circuit and permitting the air purifier motor and fan (20) to operate or to provide an audible or visual signal provided by electrically acuated means indicating incorrect placement of the filter within the device. In a second aspect of the invention, the air purifier is designed to create an audible signal to alert a user if the air purifier is operated without an air filter or if the air filter is improperly installed in the air purifier.

La présente invention concerne généralement des dispositifs utiles pour garantir l~installation correcte d~un filtre haute efficacité pour les particules de l~air (~HEPA~) dans un purificateur d~air de pièce. Selon un aspect de la présente invention, un dispositif de verrouillage magnétique est disposé, selon lequel le filtre doit être installé correctement dans le purificateur d~air pour assurer la fermeture d~un commutateur électrique (74) dans le purificateur d~air, complétant de ce fait un circuit électrique et permettant au moteur et au ventilateur (20) du purificateur d~air de fonctionner ou de mettre à disposition un signal audible ou visuel communiqué par des moyens mis en marche électriquement indiquant un placement incorrect du filtre dans le dispositif. Dans un second aspect de l~invention, le purificateur d~air est conçu pour créer un signal audible afin de prévenir un utilisateur si le purificateur d~air est utilisé sans filtre à air ou si le filtre à air est installé de manière incorrecte dans le purificateur d~air.

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