ROTARY ELECTRIC MACHINE, STATOR FOR ROTARY ELECTRIC MACHINE AND BOBBIN FOR ROTARY ELECTRIC MACHINE

• Main Authors: MAEDA TOSHIKATSU, OTAKI RYOTA
• Format: Patent
• Language: English; Japanese
• Published: 27.05.2021
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

To avoid strength degradation and size increase of a stator to prevent winding collapse of a coil.SOLUTION: A bobbin 24 comprises: a winding surface 30 including an upper end surface 34, a first side surface 36 which is continuously connected with a first end E1 of the upper end surface 34, and a second side surface 38 which is continuously connected with a second end E2 of the upper end surface 34; and a protrusion 48 which extends upward from the upper end surface 34, is located at a position closer to the first side surface 36 than the second side surface 38, and is located by being separated for one multilayer coil 56 or more from both ends of the upper end surface 34 in a width direction orthogonal to a direction of the first side surface 36 from the center of the upper end surface 34.SELECTED DRAWING: Figure 9 【課題】固定子の強度低下及び大型化を避けて、巻線の巻き崩れを防止することを目的とする。【解決手段】ボビン２４は、上端面３４、上端面３４の第１端Ｅ１に連続的に接続する第１側面３６、上端面３４の第２端Ｅ２に連続的に接続する第２側面３８を含む巻き取り面３０と、上端面３４から上方に伸びる凸部４８であって、第２側面３８よりも第１側面３６に近い位置にあり、上端面３４中心から第１側面３６方向に直交する幅方向で上端面３４の両端部から多層巻きコイル５６の１本分以上離れて位置する凸部４８と、を含む。【選択図】図９