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公开(公告)号:EP1908971A2
公开(公告)日:2008-04-09
申请号:EP07015502.3
申请日:2007-08-07
申请人: Hitachi, Ltd.
发明人: Hemmi, Makoto , Semba, Akitomi
IPC分类号: F16C32/06
CPC分类号: F16C17/04 , F16C17/047 , F16C32/0692 , F16C33/1075 , F16C2300/02
摘要: A thrust bearing device comprising a runner portion (2) attached to a rotational axis (1) and having a plane (2a) perpendicular to the axial direction of the rotational axis, and a fixed portion (3) having a sliding surface (3a) facing the plane of the runner portion (2), wherein the fixed portion (3) has a plurality of oil grooves (6) extending in radial directions formed on the sliding surface (3a), a plurality of tapered lands (7) formed among some of the plurality of oil grooves (6) on the sliding surface (3a) and having a tapered plane (7a) and a plane (7b), a plurality of flat parts (8) formed among the remainder of the plurality of oil grooves (6) on the sliding surface (3a) and having only a plane, and a plurality of oil supply openings (9) formed in each of the plurality of flat parts (8) and pressurized oil is externally supplied.
摘要翻译: 一种止推轴承装置,包括附接到旋转轴线(1)并且具有垂直于旋转轴线的轴向的平面(2a)的流道部分(2)和具有滑动表面(3a)的固定部分(3) 面向流道部分(2)的平面,其中固定部分(3)具有沿着形成在滑动表面(3a)上的径向方向延伸的多个油槽(6),多个锥形凸缘(7)形成在 多个油槽(6)中的一些在滑动面(3a)上具有锥形面(7a)和平面(7b),多个平坦部分(8)形成在多个油槽 (6),并且仅具有一个平面,并且在多个平坦部分(8)中形成的多个供油开口(9)和加压油被外部供给。