Stator for rotating electrical machine

Details Stator for rotating electrical machine Stator for rotating electrical machine

H - Electricity

02

K

H02K 3/34 (2006.01) H02K 3/32 (2006.01) H02K 3/52 (2006.01)

Patent

CA 2458835

A stator for use in a rotating electrical machine is constituted by arranging the prescribed number of stator units in the circumferential direction of a stator core having a circular ring shape. The stator units provide magnetic teeth that project inwardly in the radial direction of the stator core. Coils are wound about the magnetic teeth via insulating members. Each of the insulating members arranges thick portions that slightly project opposite to each other in the width direction of the magnetic tooth, wherein the thick portions are shifted in positions in the thickness direction of the stator core with respect to opposite sides of the magnetic teeth arranged opposite to each other. Thus, it is possible to noticeably improve the space factor in the stator.

Cette invention concerne un stator de machine électrique rotative obtenu par un procédé consistant à disposer un nombre prédéfini d'unités de stator dans la circonférence d'un noyau de stator annulaire. L'unité de stator comprend des dents magnétiques se projetant vers l'intérieur dans le sens radial du noyau de stator. Des bobines sont enroulées autour des dents magnétiques par l'intermédiaire d'éléments isolants. Chacun des éléments isolants présente des parties épaisses se projetant face à face dans le sens de la largeur des dents magnétiques. Les parties épaisses maintiennent les emplacements déplacés dans le sens de l'épaisseur du noyau du stator dans des surfaces latérales de dents magnétiques contreposées. Ainsi, le facteur de remplissage du stator est amélioré.

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