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    • 1. 发明公开
    • ROTOR MANUFACTURING METHOD
    • ROTORHERSTELLUNGSVERFAHREN
    • EP1983636A1
    • 2008-10-22
    • EP07708332.7
    • 2007-02-05
    • Toyota Jidosha Kabushiki KaishaMitsui High-Tec, Inc.
    • FUKUMARU, KenichiroAMANO, KatsumiFUKUMOTO, TakashiUEDA, KazutoshiHARUNO, KentaroTAKEUCHI, TaketoWATANABE, Atsushi
    • H02K15/03H02K1/22H02K1/27
    • H02K15/03H02K1/2766H02K15/12H02K15/165Y10T29/49009Y10T29/49012Y10T29/53143
    • An object is to provide a rotor manufacturing method capable of reducing a rotor unbalance amount by controlling a magnet arrangement position in a rotor core and improving work efficiency when fixing a magnet to the rotor core by using resin. A lower surface (20b) of a rotor core (20) is arranged in a lower mold (30). A magnet (22) is arranged in a lower mold (30). A magnet (22) is contained in each of magnet containing holes (21) formed in the rotor core (20) in such a manner that a predetermined space is assumed between an upper surface (20a) of the rotor core (20) and an upper surface of the magnet (22). An upper mold (35) is arranged on the upper surface (20a) of the rotor core (20). The upper mold (35) and the lower mold (30) apply a pressure to the rotor core (20) and a molten resin is supplied with pressure from an internal diameter side via the predetermined space into the plurality of magnet containing holes (21) from respective cylinder (36) arranged in the upper mold (35). Thus, the magnets (22) are molded by resin (41) while pressing the magnets (22) toward the outer diameter side of the magnet containing holes (21).
    • 本发明的目的是提供一种转子制造方法,其能够通过控制转子铁芯中的磁体配置位置来减小转子不平衡量,并且通过使用树脂将磁体固定在转子铁芯上时提高工作效率。 转子芯(20)的下表面(20b)布置在下模具(30)中。 磁铁(22)布置在下模具(30)中。 磁体(22)被容纳在形成在转子铁芯(20)中的每个磁铁容纳孔(21)中,使得在转子铁心(20)的上表面(20a)和 磁体(22)的上表面。 在转子铁心(20)的上表面(20a)上设有上模具(35)。 上模具(35)和下模具(30)向转子芯体(20)施加压力,并且通过预定空间将熔融树脂从内径侧供给到多个磁体容纳孔(21)中, 从设置在上模具(35)中的相应气缸(36)开始。 因此,在将磁体(22)朝向磁铁容纳孔(21)的外径侧挤压的同时,通过树脂(41)将磁体(22)模制。
    • 6. 发明申请
    • STATOR FOR ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE
    • 旋转电机定子,旋转电机
    • WO2011124967A2
    • 2011-10-13
    • PCT/IB2011/000732
    • 2011-04-05
    • TOYOTA JIDOSHA KABUSHIKI KAISHAHISADA, TomokazuUTAKA, RyosukeKOSHINO, NaotoKAWASAKI, YoshiyukiMINOSHIMA, NorimotoTAKEUCHI, Taketo
    • HISADA, TomokazuUTAKA, RyosukeKOSHINO, NaotoKAWASAKI, YoshiyukiMINOSHIMA, NorimotoTAKEUCHI, Taketo
    • H02K3/38
    • H02K3/38
    • A stator (11) includes a stator core (110), a stator winding (111), and insulation paper sheets (112). The stator winding (111) is constructed by forming a Y connection of phase windings each of which is constructed by inserting conductor segments (111a) into slots from a lower end side of the stator core (110) and joining distal end portions of the conductor segments which protrude from an upper end side of the stator core. One of the insulation paper sheets (112) is disposed between radially adjacent ones of joint portions (111k to 111o) that constitute a group of joint portions in a U-phase winding that are the nearest to a U-phase terminal. In the same manner, the other insulation paper sheets (112) are disposed with respect to a V-phase winding and a W-phase winding. Surfaces of the other joint portions are covered with an insulation resin (113). Insulation paper sheets (112) are disposed between joint portions that need long creepage distances and the insulation resin (113) is used to cover surfaces of the other joint portions that do not need a long creepage distance.
    • 定子(11)包括定子芯(110),定子绕组(111)和绝缘纸片(112)。 定子绕组(111)通过形成相绕组的Y连接构成,每个相绕组通过将导体段(111a)从定子铁心(110)的下端侧插入槽中并将导体的远端部分 从定子芯的上端侧突出的部分。 绝缘纸片(112)之一设置在构成U相绕组中最接近U相端子的一组接合部的接合部(111k〜111o)的径向相邻接合部之间。 以相同的方式,其他绝缘纸片(112)相对于V相绕组和W相绕组设置。 其他接合部分的表面被绝缘树脂(113)覆盖。 绝缘纸(112)设置在需要长爬电距离的接头部分之间,并且绝缘树脂(113)用于覆盖不需要较长爬电距离的其它接合部分的表面。