A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
A45D 20/12 (2006.01)
Patent
CA 2179725
The invention is directed to an air-moving pulsator (12) for an electric hair dryer (10) which, for the purpose of creating a pulsing action in the air stream, includes a rotor (20, 41) rotatably supported in a substantially tubular housing portion (13) and having an impeller (11) adapted to be impacted by the air stream exiting from the hair dryer (10), wherein there is arranged upstream of the rotor (20, 41), as seen when looking in the discharge direction of the air stream, a stator (38) provided with selectively moveable vanes for varying the pulsation frequency and adapted to impart rotation to the air stream about its axis. In a preferred embodiment, stator (38) is provided with air-directing blades (28) pivotally mounted on radially oriented spokes (26), and the air-directing blades (28) carry cam follower pins (31) at the ends of arms (29). A cam ring (32) is rotatably secured by outer ring (33) on the housing portion (13) and has helical camming slots (36) to cam the pins (31).
Pulsateur (12) parcouru par un courant d'air pour un sèche-cheveux électrique (10) qui présente, pour la production d'un courant d'air pulsé, un rotor (20, 41) monté rotatif dans un boîtier (13) sensiblement tubulaire avec des éléments d'entraînement (11) exposés au courant d'air sortant du sèche-cheveux (10), pulsateur dans lequel un stator (38) équipé de dispositifs permettant de faire varier la fréquence des impulsions est monté avant le rotor (20, 41) dans la direction de la sortie du courant d'air, stator qui permet de faire effectuer au courant d'air un mouvement de rotation autour de son axe.
Herzog Karl
Rolf Wilfried
Braun Aktiengesellschaft
Macrae & Co.
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