会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • BEARINGLESS MOTOR
    • 无轴承电机
    • US20100231076A1
    • 2010-09-16
    • US12733981
    • 2009-01-19
    • Akira ChibaMasatsugu TakemotoTadashi Fukao
    • Akira ChibaMasatsugu TakemotoTadashi Fukao
    • H02K7/09
    • F16C32/0459F16C32/0493F16C2360/44H02K7/09
    • Provided is a bearingless motor capable of stably performing magnetic levitation and rotation even when a thrust disk is not provided and gap length is wide.A unit 101 of a first bearingless motor is formed of a stator 41 and a core 61, while a unit 103 of a second bearingless motor is formed of a stator 43 and a core 63. A thrust magnetic bearing unit 102 formed of a core 62 and a stator 42 while having the functions of a thrust magnetic bearing is newly arranged between the unit 101 and the unit 103. A stator-side annular thrust permanent magnet 73 and a rotor-side annular thrust permanent magnet 81 are arranged between the unit 101 and the unit 103, while a stator-side annular thrust permanent magnet 75 and a rotor-side annular thrust permanent magnet 83 are arranged between the unit 102 and the unit 103.
    • 提供一种无轴承电动机,即使在不设置止推盘和间隙长度的情况下也能够稳定地进行磁悬浮和旋转。 第一无轴承马达的单元101由定子41和芯61形成,而第二无轴承马达的单元103由定子43和芯63形成。由芯62形成的推力磁轴承单元102 并且在单元101和单元103之间新设有具有推力磁轴承功能的定子42.定子侧环形推力永磁体73和转子侧环形推力永磁体81设置在单元101 单元103,同时定子侧环形推力永磁体75和转子侧环形推力永磁体83布置在单元102和单元103之间。
    • 3. 发明授权
    • Electromagnectic rotating machine
    • 电磁旋转机
    • US5936370A
    • 1999-08-10
    • US635031
    • 1996-04-19
    • Tadashi FukaoAkira ChibaChikara Michioka
    • Tadashi FukaoAkira ChibaChikara Michioka
    • F16C32/04F16C39/06H02K7/09H02P27/06G05B1/06
    • F16C32/0448F16C32/0493H02K7/09
    • An electromagnetic rotating machine driven by an electromagnetic action between a stator and a rotor has drive windings fitted to the stator for generating a rotating magnetic field for rotatably driving the rotor, position control windings fitted to the stator for generating a magnetic field having a different number of poles than that of the drive windings, a magnetic force generation circuit for generating a magnetic force to act on the rotor by supplying the position control windings with an electric current effective to unbalance the magnetic field on the stator side, a circuit for detecting an induced voltage or current generated in the one or more position control windings in response to radial displacement of the rotor and the rotating magnetic field generated by the drive windings, a circuit for detecting radial displacement of the rotor based on the induced voltage or current and the magnitude and speed of the rotating magnetic field, and a position control circuit for controlling the radial position of the rotor by changing the magnetic force generated by the magnetic force generation circuit in accordance with the detected radial displacement of the rotor.
    • 由定子和转子之间的电磁作用驱动的电磁旋转机具有安装在定子上的驱动绕组,用于产生用于可旋转地驱动转子的旋转磁场,安装在定子上的位置控制绕组产生具有不同数量的磁场 的磁极产生电路,用于通过向位置控制绕组提供有效地使定子侧上的磁场不平衡的电流来产生作用在转子上的磁力的磁力产生电路,用于检测电动机的电路 响应于转子的径向位移和由驱动绕组产生的旋转磁场而在一个或多个位置控制绕组中产生的感应电压或电流,用于基于感应电压或电流检测转子的径向位移的电路,以及 旋转磁场的大小和速度,以及用于控制的位置控制电路 通过根据检测到的转子的径向位移改变由磁力产生电路产生的磁力,使转子的径向位置变窄。
    • 5. 发明授权
    • Electromagnetic rotary machine having magnetic bearing
    • 具有磁性轴承的电磁旋转机
    • US5955811A
    • 1999-09-21
    • US598375
    • 1996-02-08
    • Akira ChibaTadashi FukaoYasushi Maejima
    • Akira ChibaTadashi FukaoYasushi Maejima
    • F16C32/04F16C39/06H02K7/09H02K17/16H02K17/42
    • F16C32/0459F16C32/0491F16C32/0493H02K17/165H02K7/09
    • A high speed electromagnetic rotating machine is arranged to avoid heat generation due to mutual inductance between a stator and rotor and has a stator provided with drive windings for generating a rotating magnetic field to rotate the rotor and position control windings fitted to the stator for generating a magnetic field having a different number of poles than that of the drive windings for controlling the axial or radial position of the rotor when an electric current sufficient to unbalance the magnetic field applied to the rotor by the drive windings is supplied to the position control windings. The rotor has a cage conductors interconnected to form a plurality of closed circuits mounted to the rotor, the closed circuits having a number of poles set so that there is no mutual inductance between the position control windings and the cage conductors. The cage conductors are connected by circumferentially-divided end rings rigidly connected by a retaining ring or by axially divided end rings directly connected to the rotor shaft. In one embodiment, the cage conductors are arranged in four-pole closed circuits, the drive windings have four poles, and the position control windings have two poles. In an alternative embodiment, the cage conductors may be arranged in two-pole closed circuits, the drive windings have two poles and the position control windings have four poles.
    • 布置高速电磁旋转机器,以避免由于定子和转子之间的互感引起的热量产生,并且具有设置有用于产生旋转磁场的驱动绕组的定子,以使转子和装配到定子上的位置控制绕组产生 磁场具有与用于控制转子的轴向或径向位置的驱动绕组数不同的极数,当通过驱动绕组将足以不平衡施加到转子的磁场的电流提供给位置控制绕组时。 转子具有互连以形成安装到转子的多个闭合回路的保持架导体,闭合回路具有多个极点,使得位置控制绕组和保持架导体之间不存在互感。 笼式导体通过由保持环刚性连接的周向分隔的端环或直接连接到转子轴的轴向分开的端环连接。 在一个实施例中,保持架导体布置在四极闭合电路中,驱动绕组具有四个极,并且位置控制绕组具有两个极。 在替代实施例中,保持架导体可以布置在两极闭合电路中,驱动绕组具有两个极,并且位置控制绕组具有四个极。
    • 8. 发明申请
    • ROLLING BEARING AND ROLLING BEARING APPARATUS
    • 滚动轴承和滚动轴承设备
    • US20100061674A1
    • 2010-03-11
    • US12312461
    • 2007-11-12
    • Kanichi KodaTadashi Fukao
    • Kanichi KodaTadashi Fukao
    • F16C23/10
    • F16C25/08F16C19/364F16C19/525F16C33/58F16C33/723F16C33/767F16C33/768F16C2361/61F16H2057/0221
    • [Problem] To prevent the generation of wear associated with a relative positional offset between a closure member (a preload member) to which a fluid pressure such as an oil pressure is applied and an outer ring.[Means for Resolution] A rolling bearing is provided which comprises rolling elements 34, an inner ring 33 which includes a raceway surface on which the rolling elements 34 roll on an outer circumference thereof and an outer ring 32 which includes a raceway surface on which the rolling elements 34 roll and to which a load can be applied which is directed to one side of an axial direction from the rolling elements 34 on an inner circumference thereof, wherein a closure member 36 for closing an inner circumferential side opening of the outer ring 32 is formed integrally at an end portion of the outer ring 32 which lies on the one side of the axial direction.
    • [问题]为了防止与施加有诸如油压的流体压力的封闭构件(预加载构件)与外圈之间的相对位置偏移相关联的磨损的产生。 [解决方法]提供一种滚动轴承,其包括滚动元件34,包括滚动元件34在其外圆周上滚动的滚道表面的内圈33和包括滚道表面的外圈32, 滚动元件34滚动并且可以在其内周面上从滚动元件34引导到轴向方向的一侧的负载,其中用于封闭外圈32的内周侧开口的封闭构件36 在位于轴向一侧的外圈32的端部一体地形成。
    • 10. 发明授权
    • Shaft and sleeve assembly structure for automatic transmission capable
of being assembled without damage of seal ring
    • 用于自动变速器的轴和套筒组装结构,能够组装而不损坏密封圈
    • US6161964A
    • 2000-12-19
    • US311279
    • 1999-05-14
    • Tadashi Fukao
    • Tadashi Fukao
    • F16C19/44F16C19/46F16C33/58F16C33/66F16C43/04
    • F16C19/46F16C43/04
    • There is provided a shaft and sleeve assembly structure for an automatic transmission which can be assembled by inserting a shaft into a needle roller bearing so that a seal ring fitted to the shaft is allowed to pass through inside of the needle roller bearing without causing a seal ring to be damaged. In this assembly structure, in the process of inserting the shaft 11 into the needle roller bearing 25, the seal ring 22 fitted to the shaft 11, upon contact with a radially inner end portion 36A of a flange portion 36 of an outer ring 33 of the needle roller bearing 25, is allowed to pass through the radial inside of the flange portion 36 smoothly along a curved surface 37 bent axially inward. Further, the seal ring 22 fitted to the shaft 11, upon contact with axial one end of a cage 32 of the needle roller bearing 25, is allowed to pass through the radial inside of a flange portion 38 provided at axial one end of the cage 32 smoothly along a curved surface 41 of the flange portion 38.
    • 提供了一种用于自动变速器的轴和套筒组件结构,其可以通过将轴插入滚针轴承中而组装,使得安装在轴上的密封环允许穿过滚针轴承内部而不产生密封 环被破坏。 在该组装结构中,在将轴11插入滚针轴承25的过程中,密封环22安装在轴11上,与外部环33的凸缘部36的径向内端部36A接触 滚针轴承25能够沿着轴向向内弯曲的曲面37顺利地通过凸缘部36的径向内侧。 此外,与滚针轴承25的保持架32的轴向一端接触时,安装在轴11上的密封环22被允许穿过设置在保持架的轴向一端的凸缘部38的径向内侧 32沿着凸缘部分38的弯曲表面41平滑。