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    • 2. 发明申请
    • ROTOR OF SYNCHRONOUS MOTOR
    • 同步电机转子
    • WO1994018740A1
    • 1994-08-18
    • PCT/JP1994000227
    • 1994-02-15
    • FANUC LTDUCHIDA, HiroyukiOKAMOTO, TakashiUEMATSU, Hidetoshi
    • FANUC LTD
    • H02K01/27
    • H02K1/2773H02K15/03H02K2201/09
    • A rotor (10) includes a plurality of permanent magnets (14) disposed substantially equidistantly round a shaft (12) and a plurality of laminated core members (16) each being disposed between the permanent magnets (14) and forming a magnetic pole. The laminated core members (16) are formed by laminating and bonding a large number of thin magnetic plate cores (26) and integral type thin cores. The integral type thin core (26) includes a plurality of thin core portions having the same shape and connecting portions (46) for connecting mutually the adjacent thin core portions. When a large number of thin cores (26) and integral type thin cores are integrally joined by a press work, each laminated core member (16) is mutually interconnected between the adjacent laminated core members (16) with a relative arrangement at the time of completion of assembly having installation spaces of the permanent magnets (14), and an integrated type laminate rotor core (48) is formed.
    • 转子(10)包括基本上等距离地设置在轴(12)周围的多个永久磁铁(14)和多个叠置的铁芯构件(16),每个叠置的铁芯构件(16)都设置在永磁体(14)之间并形成磁极。 层叠铁心构件(16)通过层叠并粘接大量薄磁性板芯(26)和整体型薄铁芯而形成。 整体型薄芯(26)包括具有相同形状的多个薄芯部分和用于连接相邻的薄芯部分的连接部分(46)。 当大量薄芯(26)和整体式薄芯通过冲压加工而整体连接时,每个层叠芯构件(16)在相邻层叠铁芯构件(16)之间以相对的布置相互互连 形成具有永磁体(14)的安装空间的组装完成和一体型层压转子芯(48)。
    • 3. 发明申请
    • ROTOR OF SYNCHRONOUS MOTOR
    • 同步电机转子
    • WO1993017483A1
    • 1993-09-02
    • PCT/JP1993000248
    • 1993-02-26
    • FANUC LTDUCHIDA, Hiroyuki
    • FANUC LTD
    • H02K01/27
    • H02K1/2773
    • A rotor of a synchronous motor according to the present invention includes a plurality of permanent magnets (12) radially disposed around a shaft (10), and a plurality of laminate core members (14) disposed around the shaft (10) to clamp each permanent magnet (12) and serving as magnetic poles. The permanent magnets (12) are extended as a continuous member substantially along the full length of the laminate core members (14). Each laminate core member (14) is separated substantially in the middle by a disc member (24). The disc member (24) includes a shaft hole (26) at the center into which the shaft (10) is fitted, and a plurality of magnet engagement holes (28) around the shaft hole (26). Each magnet engagement hole (28) has a peripheral edge portion (32) having substantially the same profile as the section of the permanent magnet (12) and is formed in substantial alignment with each permanent magnet (12). Accordingly, each permanent magnet (12) is held at a predetermined position in a radial direction by the magnet engagement hole (28) of the disc member (24) against an external direction acting outward relative to the radial direction due to centrifugal force, etc.
    • 6. 发明申请
    • INSULATING MEMBER FOR AN IRON CORE OF AN ELECTRIC MOTOR
    • 绝缘电机电芯的绝缘部件
    • WO1996033545A1
    • 1996-10-24
    • PCT/JP1996001090
    • 1996-04-22
    • FANUC LTDUCHIDA, HiroyukiYAMAMOTO, TomonagaTAMAKI, Takeshi
    • FANUC LTD
    • H02K03/34
    • H02K3/487H02K3/325H02K3/345H02K15/12
    • In order to electrically insulate a stator core (16) of an electric motor and a winding (22) disposed in a slot (20) formed in the core (16), an insulating member (10) disposed in the slot (20) includes a main insulating portion (30) for covering the inner wall surface of the slot (20) and an insulation assisting portion (32) having desired flexibility and bending repulsiveness for substantially closing an opening (26) in the slot. The insulation assisting portion (32) is easily deformed when an external force is applied thereto so as to partially open the opening (26), while when the external force is removed, it is restored to its original state in which the opening (26) is closed.
    • 为了使电动机的定子铁芯(16)电绝缘,和设置在形成在铁心(16)中的槽(20)中的绕组(22),布置在槽(20)中的绝缘构件(10)包括 用于覆盖所述槽(20)的内壁表面的主绝缘部分(30)和具有用于基本上封闭所述槽中的开口(26)的期望的柔性和弯曲斥力的绝缘辅助部分(32)。 当施加外力以使部分打开开口(26)时,绝缘辅助部分(32)容易变形,而当外力被去除时,其恢复到其初始状态,其中开口(26) 关闭了。
    • 9. 发明申请
    • ROTOR STRUCTURE OF SYNCHRONOUS MOTOR
    • 同步电动机的转子结构
    • WO1989002669A1
    • 1989-03-23
    • PCT/JP1988000927
    • 1988-09-14
    • FANUC LTDUCHIDA, Hiroyuki
    • FANUC LTD
    • H02K21/08
    • H02K1/2773
    • This invention relates to a rotor structure of a radial type synchronous motor whose rotor core (10) is disposed between permanent magnets (12). An end plate (14) having formed thereon a protuberance (16) for supporting the outer peripheral portion of the rotor core is disposed at the end of a rotor (8) in the direction of the center axis of rotation in order to prevent the rotor core and the permanent magnets from projecting outward due to the centrifugal force generated by the rotation of the rotor. Therefore, the present invention can provide a rotor structure having high resistance against centrifugal force.
    • 一种用于径向型同步电动机的转子结构,其转子铁芯(10)布置在永磁体(12)之间。 具有支撑转子铁心的外周部分的凸起(16)的端板(14)设置在转子(8)的沿中心旋转轴线方向的端部处以防止 由于转子旋转产生的离心力,转子芯和永磁体向外突出。 这种布置使得可以制造其结构对离心力具有高耐受性的转子。
    • 10. 发明申请
    • ROTOR STRUCTURE OF SYNCHRONOUS MOTOR
    • 同步电机的转子结构
    • WO1989002183A1
    • 1989-03-09
    • PCT/JP1988000879
    • 1988-09-02
    • FANUC LTDUCHIDA, Hiroyuki
    • FANUC LTD
    • H02K23/08
    • H02K1/2773
    • To reduce slot ripple in a so-called radial type synchronous motor, a rotor (32) is composed of a plurality of unit rotor elements (34a, 34b) divided in a longitudinal direction and juxtaposed with one another, and their angular positions are deviated by a mechanical angle corresponding to the half wavelength of slot ripple in a conventional rotor structure. Generally, the difference of the angular positions is small. To make the rotor structure accurate, a rotor core element (36a) and a permanent magnet element (38a) of each unit rotor element (34a, 34b) are deviated in the longitudinal direction of the rotor (32) in such a manner that the end portions of the unit rotor elements (34a, 34b) define corrugations (54, 56). The end portions of the unit elements are accurately located and held in place by end plates (42a, 42b, 44a, 44b) which are press-molded members of a metal having concavities (48) and convexities (46) engaging with the corrugations described above.