Hair dryer

A - Human Necessities – 45 – D

Patent

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Details

A45D 20/12 (2006.01)

Patent

CA 2312031

The invention concerns a hair dryer (1) comprising a housing (2) consisting of a suction case (3) containing a centrifuge fan including a turbine (7) associated with an electric motor (8). The case is connected to a blow nozzle (9) containing a heating element (10) and the electric motor (8) is at least partly contained in a streamlined shell (14) defining with the housing inner surface (21) an air stream passage with annular cross-section continuously and gradually widening, from the turbine (7) or from a specific distance (23) from the turbine, towards the heating element (10). The shell is formed by a cylindrical casing extended by a tapered or substantially profiled end portion towards the heating element, and the casing external diameter is equal or substantially equal to the turbine external diameter.

La présente invention concerne un appareil (1) sèche-cheveux comprenant un boîtier (2) formé d'un carter d'aspiration (3) contenant un ventilateur centrifuge comportant une turbine (7) associée à un moteur électrique (8). Le carter est relié à un bec de soufflage (9) contenant un élément chauffant (10) et le moteur électrique (8) est au moins en partie inclus dans une coque (14) carénée délimitant avec la face interne (21) du boîtier un canal d'écoulement d'air de section transversale annulaire croissante de façon continue et progressive, à partir de la turbine (7) ou à partir d'une distance déterminée (23) de la turbine, en direction d'un élément chauffant (10). La coque est formée d'une virole cylindrique prolongée par une portion d'extrémité conique ou sensiblement conique carénée dans la direction de l'élément chauffant, et le diamètre externe de la virole est égal ou sensiblement égal au diamètre externe de la turbine.

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