A fan assembly

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

Patent

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Details

F24F 7/06 (2006.01) F24F 13/32 (2006.01)

Patent

CA 2746548

A pedestal (12) for a fan assembly (10) comprises a telescopic duct (18) for conveying an air flow to an outlet of the fan assembly(10). The duct (18) comprises an outer tubular member (34) comprising a first stop member(130), an inner tubular member (36) located at least partially within and slidable relative to the outer tubular member (34), the inner tubular member (36) comprising a second stop member (140) for engaging the first stop member (130) to inhibit withdrawal of the inner tubular member (36) from the outer tubular member(34), and a mainspring (150) rotatably mounted on the second stop member(140), the mainspring (150) having a free end (156) retained by the first stop member(130).

Selon l'invention, un socle (12) pour un ensemble ventilateur (10) comprend une conduite télescopique (18) destinée à transporter un écoulement d'air vers une sortie de l'ensemble ventilateur (10). La conduite (18) comprend un élément tubulaire extérieur (34) comprenant un premier élément de butée (130), un élément tubulaire intérieur (36) disposé au moins partiellement à l'intérieur et pouvant coulisser par rapport à l'élément tubulaire extérieur (34), l'élément tubulaire intérieur (36) comprenant un second élément de butée (140) destiné à venir en prise avec un premier élément de butée (130) pour empêcher le retrait de l'élément tubulaire intérieur (36) de l'élément tubulaire extérieur (34), et un ressort principal (150) monté de manière rotative sur le second élément de butée (140), le ressort principal (150) comprenant une extrémité libre (156) retenue par le premier élément de butée (130).

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