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    • 7. 发明专利
    • Thrust roller bearing
    • 推力滚子轴承
    • JP2007255489A
    • 2007-10-04
    • JP2006078230
    • 2006-03-22
    • Jtekt Corp株式会社ジェイテクト
    • CHIHARA KATSUHIKO
    • F16C27/08F16C19/30F16C33/58
    • PROBLEM TO BE SOLVED: To provide a thrust roller bearing improving low vibration property and low noise property by achieving even contact of rollers and a raceway ring irrespective of degree of assembly error of a pair of raceway rings.
      SOLUTION: The thrust roller bearing 10 includes a pair of annular raceway rings 1, 4, a plurality of rollers 2 arranged between raceway surfaces 1a, 4a of the raceway rings 1, 4, and a retainer 3 arranging the rollers 2 in a radial direction, and has an elastic member 5 installed on an anti-raceway surface 1b of the raceway ring 1. The elastic member 5 has surface 5a which abuts on an ant-raceway surface 1b of the raceway surface 1 formed in a flat surface, and has an annular depressed part formed on a surface 5b which abuts on the rotary body when thrust roller bearing 10 is installed on the rotary body (not indicated). Namely, thickness of a middle position between an inner circumference edge and an outer circumference edge of the elastic member 5 is thinner than thickness of the inner circumference edge side and thickness of the outer circumference edge side. Also, a flange 1c rising on the raceway surface 1a is formed on an outer circumference edge of the raceway ring 1.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种通过实现滚子和滚道环的均匀接触而改善低振动特性和低噪声特性的推力滚子轴承,而与一对滚道环的组装误差无关。 解决方案:推力滚子轴承10包括一对环形滚道环1,4,布置在滚道环1,4的滚道表面1a,4a之间的多个辊2和将辊2布置在其中的保持器3 径向,并且具有安装在滚道环1的反滚道表面1b上的弹性构件5.弹性构件5具有与形成在平坦面中的轨道面1的蚂蚁滚道面1b抵接的表面5a 并且当将推力滚子轴承10安装在旋转体(未示出)上时,具有形成在表面5b上的环形凹部,该表面5b抵靠旋转体。 也就是说,弹性构件5的内周边缘和外周边缘之间的中间位置的厚度比内周缘侧的厚度和外周缘侧的厚度薄。 此外,在滚道环1的外周边缘上形成有在滚道面1a上升起的凸缘1c。版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Duplex thrust tapered roller bearing
    • 双面扭转滚子轴承
    • JP2005282714A
    • 2005-10-13
    • JP2004097584
    • 2004-03-30
    • Nsk Ltd日本精工株式会社
    • KOBORI KAZUYA
    • F16C27/06F16C19/30F16C27/08F16C33/78
    • F16C33/761F16C19/30
    • PROBLEM TO BE SOLVED: To provide a means for preventing the intrusion of water or foreign matters from the outside of a duplex thrust tapered roller bearing and preventing the flow of grease out of the inside.
      SOLUTION: The duplex thrust tapered roller bearing comprises an inner ring fitted to a rotating shaft, a double conical rollers rollingly arranged on both sides of the inner ring, and an outer ring arranged outside the conical rollers and fitted to a housing. Outside each of the double conical rollers, a shaft sealing device is provided for sealing the rotating shaft or a rotor to be rotated with the rotating shaft.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供防止水分或异物从双相推力圆锥滚子轴承的外部侵入并防止润滑脂从内部流出的装置。 解决方案:双相推力圆锥滚子轴承包括安装在旋转轴上的内圈,滚动地布置在内圈两侧的双锥形滚子,以及设置在圆锥滚子外侧并安装到壳体上的外圈。 在每个双锥形滚子之外,设置有用于密封旋转轴或转子以与旋转轴一起旋转的轴密封装置。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Electric type power steering device
    • 电动式转向装置
    • JP2005096622A
    • 2005-04-14
    • JP2003333331
    • 2003-09-25
    • Toyoda Mach Works Ltd豊田工機株式会社
    • INAGUMA YOSHIHARUHONAGA SUSUMU
    • B62D5/04F16C19/18F16C27/08F16F1/18H02K5/24H02K7/00
    • PROBLEM TO BE SOLVED: To prevent occurrence of a slapping sound by buffering impact force inversely input from a steering wheel. SOLUTION: In this electric type power steering device, a stator 43 is disposed on the inner periphery of a housing 20 of an electric motor 60, a rotor 61 is arranged facedly to the stator 43, and a plurality of bearings for rotatably bearing the rotor 61 are disposed. At least one of the plurality of bearings is used as an angular ball bearing 63 for receiving a force in the thrust direction, and spring members 70 and 80 are disposed for elastically supporting the angular ball bearing 63 with respect to the force working in the thrust direction of the rotor. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过缓冲从方向盘反向输入的冲击力来防止拍打声发生。 解决方案:在这种电动式动力转向装置中,定子43设置在电动机60的壳体20的内周上,转子61面向定子43布置,并且多个轴承可旋转 设置有转子61。 多个轴承中的至少一个用作用于在推力方向上接收力的角球轴承63,并且弹簧构件70和80设置成相对于在推力中作用的力弹性地支撑角球轴承63 转子方向。 版权所有(C)2005,JPO&NCIPI