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    • 3. 发明公开
    • Tilting-pad thrust bearing and rotary machine having the same
    • 倾斜推力轴承和具有该倾斜轴承的旋转机器
    • EP2878837A1
    • 2015-06-03
    • EP14192078.5
    • 2014-11-06
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Hemmi, MakotoMurata, KenichiSuzuki, Kenta
    • F16C17/03F16C33/10F16C17/06
    • F16C33/1065F04D29/0413F16C17/06F16C33/1085F16C2300/34
    • The invention provides a tilting-pad thrust bearing that requires less oil supply and a rotary machine having the same. A tilting-pad thrust bearing (100) comprises: multiple oil inlets (10) disposed in spaces between pads (6); multiple outflow guide grooves (12) each formed near the inner circumferential edge of the sliding surface of the pad (6) such that the outflow guide grooves (12) extend in a circumferential direction; and multiple inflow guide grooves (13) provided separately from the outflow guide grooves (12) and formed at the leading ends of the sliding surfaces of the pads (6) so as to be located more radially inward than the oil inlets (10). Each outflow guide groove (12) is open to the sliding surface and the trailing end surface of the pad (6). Each inflow guide grooves (13) is open to the leading end surface and the sliding surface of the pad (6).
    • 本发明提供一种需要较少油供应的倾斜推力轴承以及具有该轴承的旋转机器。 一种可倾瓦推力轴承(100)包括:多个油入口(10),其布置在衬垫(6)之间的空间中; 多个流出引导槽(12),每个流出引导槽形成在垫(6)的滑动表面的内周边缘附近,使得流出引导槽(12)沿圆周方向延伸; 以及与所述流出引导槽(12)分开设置且形成在所述垫(6)的所述滑动表面的前端处的多个流入引导槽(13),以便位于比所述油入口(10)更径向内侧。 每个流出引导槽(12)在垫(6)的滑动表面和尾端表面开口。 每个流入导向槽(13)向垫(6)的前端表面和滑动表面开放。
    • 4. 发明公开
    • Tilting pad bearing
    • Kippsegmentlager
    • EP2818738A1
    • 2014-12-31
    • EP14174014.2
    • 2014-06-26
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Sato, MotokiSuzuki, KentaHemmi, MakotoInoue, TomoakiMurata, Kenichi
    • F16C17/06F16C17/03F16C37/00
    • F16C17/06F16C17/03F16C17/045F16C33/1045F16C37/002
    • A tilting pad bearing is provided that can reduce an amount of oil leaking from the side edges of a sliding surface of a pad, thereby reducing an amount of oil to be fed onto the sliding surface of the pad.
      The tilting pad bearing includes journal pads 2 arranged in a circumferential direction of a rotating shaft 1; and a bearing housing 4 for carrying the journal pads 2 in a tiltable manner via associated pivots 3. Lubricating oil is fed to a sliding surface 14 of the journal pad 2 via an oil-feeding hole 5 formed in the journal pad 2. The sliding surface 14 of the journal pad 2 has a portion formed so that the portion has an axial width that gradually increases, as the axial width approaches the circumferential downstream side of the rotating shaft, from an oil-feed start position.
    • 提供了可以减少从垫的滑动表面的侧边缘泄漏的油量的倾斜垫轴承,从而减少供给到垫的滑动表面上的油量。 倾斜垫轴承包括沿旋转轴1的圆周方向布置的轴颈垫2; 以及用于通过相关联的枢轴3以可倾斜的方式承载轴颈垫片2的轴承壳体4.润滑油经由形成在轴颈垫2中的给油孔5被供给到轴颈垫2的滑动表面14.滑动 轴颈垫2的表面14具有形成为使得该部分具有轴向宽度,该轴向宽度随着轴向宽度接近旋转轴的周向下游侧而从供油开始位置逐渐增加。