ROTATING ELECTRIC MACHINE, AND MANUFACTURING METHOD THEREOF

To provide a rotating electric machine capable of reducing the loss and increasing efficiency thereof by improving the shape of a stator core.SOLUTION: In the rotating electric machine, defining the width of the teeth base of a teeth brim 24 constituting a slot 30 of a stator as h1, the width of the...

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Bibliographic Details
Main Authors NISHIHAMA KAZUO, MITSUISHI TAKEO, IWAKI GENZO, ICHIGE YOSHIKI, ABE ATSUSHI
Format Patent
LanguageEnglish
Japanese
Published 25.01.2024
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:To provide a rotating electric machine capable of reducing the loss and increasing efficiency thereof by improving the shape of a stator core.SOLUTION: In the rotating electric machine, defining the width of the teeth base of a teeth brim 24 constituting a slot 30 of a stator as h1, the width of the tip as h2, the length of the slot side as L1, and the length at the rotor side as L2, the teeth brim 24 is formed with dimensions that satisfy (L1+L2)/(h1+h2)≥2.4 and 0.4≤h2/h1≤1.1. When inserting the coil into the slot 30, opposing two teeth brims 24a and 24b are bent inward to widen a gap W0, and after inserting the coil, two teeth brims 24a and 24b are bent back to the original shape.SELECTED DRAWING: Figure 3 【課題】固定子コアの形状を改良することにより、回転電機の損失を低減させて効率を高める。【解決手段】固定子のスロット３０を構成するティースつば部２４のティース付根部の幅をｈ１、先端部の幅をｈ２、スロット側長さをＬ１、回転子側の長さをＬ２とした場合に、（Ｌ１＋Ｌ２）／（ｈ１＋ｈ２）≧２．４ かつ ０．４≦ｈ２／ｈ１≦１．１を満足させる寸法にてティースつば部２４を形成した。スロット３０内にコイルを挿入する際には、対向する２つのティースつば部２４ａ、２４ｂを径方向内側に曲げて間隔Ｗ０を広げ、コイルの挿入後に２つのティースつば部２４ａ、２４ｂを元の形状に曲げ戻すようにした。【選択図】 図３
Bibliography:Application Number: JP20220113558