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    • 3. 发明专利
    • Pump
    • PUMP
    • JP2008151143A
    • 2008-07-03
    • JP2007341839
    • 2007-12-19
    • Snecmaスネクマ
    • EDELINE EMMANUELMARCIQUET CHARLESFABBRI LAURENTWAHL FABIEN
    • F04D29/046F04D29/049
    • F04D29/04F16C19/06F16C19/54F16C25/083F16C35/067F16C2300/34F16C2300/52F16C2360/44F16C2380/26
    • PROBLEM TO BE SOLVED: To provide a pump structured so that frictional contact does not exist at all between a centrifugal impeller and a housing when the pump is operated in the reverse direction and that its bearing(s) will never be damaged by an eventual pressure surge. SOLUTION: The pump is composed of a rotary shaft, a bearing housing fixed to the rotary shaft, and at least one rolling bearing, wherein the inner race of the rolling bearing is coupled with the rotary shaft while the outer race is slidably arranged along the rotational axis of the rotary shaft within the housing. The bearing housing has a shoulder provided on one side of the bearing and capable of preventing the outer race certainly from a linear movement along the rotational axis and a deformable elastic device fixed to the housing on the other side of the bearing, and the bearing is arranged between the shoulder and the elastic device. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种泵,其结构使得当泵沿相反方向操作时,离心叶轮和壳体之间完全不存在摩擦接触,并且其轴承将永远不会被损坏 最终压力激增。 解决方案:泵由旋转轴,固定在旋转轴上的轴承壳体和至少一个滚动轴承组成,其中滚动轴承的内圈与旋转轴联接,而外圈可滑动 沿着旋转轴的旋转轴线布置在壳体内。 轴承壳体具有设置在轴承的一侧上的肩部,能够防止外圈沿着旋转轴线线性移动,并且可变形弹性装置固定在轴承另一侧的壳体上,轴承是 布置在肩部和弹性装置之间。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Bearing for rocket turbo pump
    • 轴承涡轮泵
    • JP2006083894A
    • 2006-03-30
    • JP2004266905
    • 2004-09-14
    • Ntn CorpNtn株式会社
    • ITO TAKASHI
    • F16C33/44F16C19/16F16C33/62
    • F16C33/44F16C19/163F16C33/585F16C33/62F16C33/6696F16C2204/52F16C2300/52
    • PROBLEM TO BE SOLVED: To improve lubricity between a rolling element and a race wheel of a bearing for a rocket turbo pump.
      SOLUTION: A retainer 4 retaining a ball 3 as the rolling element is formed out of composite material of glass fiber and PTFE having high lubricity even under very low temperature to supply PTFE to the ball 3 and the race wheels 1, 2 from the retainer 4 and nickel compound plating 5 compounded with PTFE is applied on the race surfaces 1a, 2a of the race wheels 1, 2. Consequently, lubricity between the ball 3 and the race wheels 1, 2 can be secured by PTFE depositing on plating 5 surface even if supply of PTFE from the retainer 4 is not sufficient.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提高用于火箭涡轮泵的轴承的滚动元件和赛车轮之间的润滑性。 解决方案:即使在非常低的温度下,保持作为滚动元件的球3的保持器4由具有高润滑性的玻璃纤维和PTFE的复合材料形成,以将PTFE提供给球3和赛车轮1,2从 将保持器4和与PTFE复合的镍化合物电镀5施加到赛车圈1,2的座圈表面1a,2a上。因此,可以通过在电镀上的PTFE沉积来确保球3和赛车轮1,2之间的润滑性 即使从保持器4供给PTFE还不足够, 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Rolling bearing
    • 滚动轴承
    • JP2009103159A
    • 2009-05-14
    • JP2007273381
    • 2007-10-22
    • Ntn CorpNtn株式会社
    • ITO HIDEJI
    • F16C33/66F16C41/00
    • F16C33/6625F16C19/26F16C2300/52
    • PROBLEM TO BE SOLVED: To provide a rolling bearing capable of being used even under an extremely cold environment without degrading lubrication performance. SOLUTION: The rolling bearing 1 includes an inner ring 2; an outer ring 3; and a plurality of rolling bodies 4 rollably arranged between the inner ring 2 and the outer ring 3. A lubricant 6 is filled in a bearing space S1 between the inner ring 2 and the outer ring 3. A temperature-raising device 11 for raising the temperature of the lubricant 6 is provided, For example, the temperature-raising device 11 is made to the one in which a ring-like member 13 for covering an outer side in an axial direction of the bearing space is provided and a heater 12 is mounted to an inner surface in an axial direction of the ring-like member 13. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供即使在极冷环境下也能够使润滑性能下降的滚动轴承。 解决方案:滚动轴承1包括内圈2; 外圈3; 以及滚动地设置在内圈2和外圈3之间的多个滚动体4.润滑剂6填充在内圈2和外圈3之间的轴承空间S1中。 提供润滑剂6的温度。例如,升温装置11制成为提供用于覆盖轴承空间的轴向外侧的环状构件13,加热器12为 安装在环状构件13的轴向的内表面上。版权所有(C)2009,JPO&INPIT