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公开(公告)号：US10907681B2
公开(公告)日：2021-02-02
申请号：US16292688
申请日：2019-03-05
摘要： A pad bearing includes a pad disposed on a radially outer side of a rotary shaft and supporting the rotary shaft so as to be rotatable around an axis, a block-shaped nozzle member disposed on an upstream side with respect to the pad on the radially outer side of the rotary shaft and including a discharge hole for discharging a lubricant toward an outer peripheral surface of the rotary shaft, and a compressed flow forming unit disposed in at least one of the pad and the nozzle member and configured to compress a flow of the lubricant flowing along the outer peripheral surface of the rotary shaft as the rotary shaft rotates.
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公开(公告)号：US11193528B2
公开(公告)日：2021-12-07
申请号：US16494434
申请日：2018-02-01
发明人： Chihiro Yoshimine , Tanehiro Shinohara , Tadasuke Nishioka , Shimpei Yokoyama , Takuzo Shigihara
摘要： A bearing pad for a tilting-pad bearing includes a first member having a bearing surface and a second member disposed on a back surface side of the first member. At least one of a back surface of the first member or a front surface of the second member facing the back surface of the first member has a recess for forming a cavity between the first member and the second member. Preferably, the bearing pad further includes a support member disposed on a back surface side of the second member and tiltably supporting the first member and the second member, and the recess is formed over at least a part of an installation range of the support member in a plan view of the bearing pad.
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公开(公告)号：US20230407917A1
公开(公告)日：2023-12-21
申请号：US18034791
申请日：2021-10-20
IPC分类号： F16C33/10
CPC分类号： F16C33/108 , F16C33/1045
摘要： A bearing pad that supports a rotating shaft rotating about an axis includes: a pad body having a hollow portion formed therein, a lubricating oil supply path for supplying a lubricating oil to the hollow portion, and a lubricating oil discharge path for discharging the lubricating oil to an outside from the hollow portion; and a support structure that is packed into the hollow portion and radially connects inner wall surfaces forming the hollow portion while including a space. The hollow portion is formed in a region shifted to a forward side in a rotation direction of the rotating shaft in the pad body.
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公开(公告)号：US11795997B2
公开(公告)日：2023-10-24
申请号：US17695233
申请日：2022-03-15
CPC分类号： F16C17/065 , F16C17/14 , F16C27/02 , F16C33/1025
摘要： A fluid film bearing includes a plurality of bearing pads that are arranged in a circumferential direction of a rotating body that rotates about an axis, and that support the rotating body via a fluid film, wherein the bearing pad includes a base layer made of metal, an elastic layer that is layered on the rotating body side of the base layer, and that is made of an elastically deformable elastic material, a sliding layer that is layered on the rotating body side of the elastic layer, and that opposes the rotating body and is made of a bearing material, and a metal plate that is layered between the elastic layer and the sliding layer, and that is more rigid than the elastic layer and the sliding layer.
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公开(公告)号：US11060561B2
公开(公告)日：2021-07-13
申请号：US16775460
申请日：2020-01-29
摘要： An oil bath type bearing device which supports a rotating shaft rotating around an axis the bearing device is provided. The oil bath type bearing device includes a plurality of bearing pads which are arranged at intervals in a circumferential direction along an outer peripheral surface of the rotating shaft, an annular carrier ring which supports the plurality of bearing pads from an outer peripheral side and in which an oil supply hole through which a lubricant is supplied is formed, and a casing which covers the carrier ring from the outer peripheral side and holds the lubricant between the rotating shaft and the casing. The oil supply hole penetrate the carrier ring from the outer peripheral side to an inner peripheral side and extends toward a rear side in a rotational direction of the rotating shaft as the oil supply hole goes radially inward with respect to the axis.
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