Coil for small-sized motor and small-sized flat motor

Details Coil for small-sized motor and small-sized flat motor Coil for small-sized motor and small-sized flat motor

H - Electricity

02

K

H02K 3/04 (2006.01) H02K 3/47 (2006.01) H02K 23/54 (2006.01) H02K 7/06 (2006.01)

Patent

CA 2369521

A coil so assembled as to be opposed to either a magnet (2) comprising a ring body coaxial with a shaft (1) of an inner rotor at its center or a laminated yoke (3a) comprising a ring body coaxial with the shaft (1) of an outer rotor. A coil (9 or 90) for a small-sized motor is provided winding sections (4a, 4b) facing a peripheral side face (2a) of the ring body (2 or 3a), winding sections (4c, 4d) facing both ring surfaces (2b, 2c), is formed as a hollow wound body in which the winding start ends and winding termination ends are connected continuously, and has a good efficiency of generation of torque. A high-torque small-sized flat motor and a vibration small-sized flat motor are constituted as a motor which is thin as a whole.

L'invention concerne une bobine montée de manière à se trouver face soit à un aimant (2) formé d'un corps annulaire coaxial à un arbre (1) d'un rotor interne au niveau de son centre, soit à un étrier lamellaire (3a) comprenant un corps annulaire coaxial par rapport à l'arbre (1) d'un rotor externe. Une bobine (9 ou 90) pour un moteur de petite taille présente des sections d'enroulement (4a, 4b) opposées à une face latérale périphérique (2a) du corps annulaire (2, 3a), des sections d'enroulement (4c, 4d) face aux deux surfaces annulaires (2b, 2c). La bobine se compose d'un corps enroulé creux dans lequel les extrémités du début de l'enroulement et les extrémités de la fin de l'enroulement sont reliées en continu et est efficace en terme de génération de couple. Un moteur plat de petite dimension à couple élevé et un moteur plat de petite dimension à vibration forment tous deux un moteur dont l'épaisseur est insignifiante.

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