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    • 5. 发明授权
    • Electric rotating machine with improved cylindrical magnet retainer
    • 电动旋转机具有改进的圆柱形磁铁保持架
    • US5679994A
    • 1997-10-21
    • US369073
    • 1995-01-05
    • Tsutomu ShigaNobuyuki HayashiMasanori OhmiMasami Niimi
    • Tsutomu ShigaNobuyuki HayashiMasanori OhmiMasami Niimi
    • H02K1/17H02K15/03H02K23/04H02K21/06
    • H02K1/17H02K15/03Y10T29/49009
    • An electric rotating machine and manufacturing method of the same is provided that can securely press-fit magnetic poles against an inner circumference of a yoke with a cylindrical body. By directly contacting a first and second end portions of the cylindrical body and moving the same relatively, the diameter of the cylindrical body widens in the outer radial direction to press-fit the magnetic poles against the inner circumference of the yoke. Thus, the variation of the inner diameter of the magnetic poles that occurs due to the dimensional error in permanent magnet thickness and inner diameter of the yoke is absorbed by the relative movement of the first and second end portions. This stabilizes the fixing force of the magnet, and allows the magnet to be securely fixed to the yoke without excessive stress on the cylindrical body. Furthermore, the displacement of the magnetic poles can be restricted by bending axial ends of the cylindrical body radially outwardly.
    • 提供一种电动旋转机及其制造方法,其可以用圆柱体将磁极牢固地压配在轭的内圆周上。 通过直接接触圆柱体的第一和第二端部并使其相对移动,圆柱体的直径在外径向方向上变宽,以将磁极压配合到轭的内周。 因此,由于永磁体厚度的尺寸误差和轭的内径而产生的磁极的内径的变化被第一和第二端部的相对运动吸收。 这就稳定了磁铁的固定力,并且允许磁体牢固地固定在磁轭上,而不会对圆柱体产生过大的应力。 此外,可以通过径向向外弯曲圆柱体的轴向端部来限制磁极的位移。
    • 6. 发明授权
    • Electric rotating machine
    • 电动旋转机
    • US5650683A
    • 1997-07-22
    • US581925
    • 1996-01-02
    • Tsutomu ShigaNobuyuki HayashiMasanori OhmiMasami NiimiMitsuhiro Murata
    • Tsutomu ShigaNobuyuki HayashiMasanori OhmiMasami NiimiMitsuhiro Murata
    • H02K3/12H02K3/30H02K3/34H02K13/08H02K3/04H02K3/32
    • H02K13/08H02K3/12H02K3/30H02K3/34
    • An electric rotating machine which withstands mechanical and thermal loads applied thereto is provided. Coil arms and coil trunks are provided in roughly parallel orientation to the end faces of an armature core only through insulating rings and insulating spacers. Metal brush is disposed on coil arms constituting a commutator, whereby the overall length of the armature can be remarkably shortened. The coil arms are strongly pressed against and fixed to the side of armature core by a collar, so that the resistance to the centrifugal force can be remarkably improved. A cylindrical ring is circumferentially fitted on the upper coil trunks to prevent radially outward movement of the coil arms due to the centrifugal force. The coil arms disposed in a non-commutator side are made radially shorter than those disposed in the commutator side. Thus, electric resistance of an armature coil is reduced and radial movement caused by the centrifugal force is reduced.
    • 提供一种承受施加于其上的机械和热负荷的旋转电机。 线圈臂和线圈干线仅通过绝缘环和绝缘垫片以大致平行的方向设置在电枢铁芯的端面。 金属刷布置在构成换向器的线圈臂上,从而能够显着地缩短电枢的整体长度。 线圈臂通过轴环被强力地压靠在电枢铁芯的侧面上,从而能够显着提高对离心力的抵抗力。 圆柱形环周向地装配在上部线圈树干上,以防止由于离心力引起的线圈臂的径向向外移动。 设置在非整流子侧的线圈臂比放置在换向器侧的线圈臂的径向短。 因此,电枢线圈的电阻减小,由离心力引起的径向运动减小。
    • 7. 发明授权
    • Electric rotating machine
    • 电动旋转机
    • US5475276A
    • 1995-12-12
    • US386318
    • 1995-02-09
    • Tsutomu ShigaNobuyuki HayashiMasanori OhmiMasami Niimi
    • Tsutomu ShigaNobuyuki HayashiMasanori OhmiMasami Niimi
    • H02K5/04H02K5/15H02K21/26
    • H02K5/15H02K5/04
    • An electric rotating machine with a lightweight and low cost yoke which has sufficient durability to be used under high vibration environments. A tubular yoke for electric rotating machine has a pair of lid portions laid on both axial ends of a tubular portion of a yoke. Through bolts for press-fitting the pair of lid portions from both sides tightens and fixes the pair of lid portions to the yoke. Concave portions extending from the outer circumference to the inner circumference are formed axially on the tubular portion. The center where the tightening force of the through bolts is applied is set between the hypothetical extension outer diameter and inner diameter of the tubular portion at the concave portion so that the tubular portion and the lid portions are tightened and fixed.
    • 一种具有重量轻且成本低的轭的旋转电机,具有足够的耐久性,可在高振动环境下使用。 用于旋转电动机的管状轭具有一对放置在轭的管状部的轴向两端的盖部。 通过用于压配合两侧的盖部分的螺栓,将一对盖部分固定在轭架上。 从外周延伸到内周的凹部在管状部分上轴向形成。 将贯通螺栓的紧固力的中心设定在凹部的假想延伸外径与管状部的内径之间,使得管状部和盖部被紧固固定。