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公开(公告)号：US20150292572A1
公开(公告)日：2015-10-15
申请号：US14440170
申请日：2013-10-08
发明人： Koji Tsukamoto , Kuniaki Miyake , Toshihiro Mukaida , Hitoshi Okabe , Atsushi Yokota , Tatsuya Osone , Yuuzo Akasaka , Hiroki Uehara , Jun Furuichi
CPC分类号： F16D25/12 , F16D25/063 , F16D25/083 , F16D2300/08 , F16J3/041 , F16J15/52
摘要： The invention provides a clutch seal which can enhance a durability of a membrane portion which is a constituting part of a seal and is constructed by a rubber-like elastic body, and can inhibit a working fluid from standing in a concave surface of the membrane portion. The clutch seal of the invention is an annular seal interposed between a clutch plate in a dry clutch and a piston pressing the clutch plate, has a middle ring fixed to the piston between an outer ring and an inner ring which are fixed to a clutch housing, and has membrane portions constructed by a rubber-like elastic body respectively between the outer ring and the middle ring and between the inner ring and the middle ring, wherein the middle ring is arranged at an intermediate position of a stroke in an initial shape of the membrane portion.
摘要翻译： 本发明提供了一种离合器密封件，其可以提高作为密封件的构成部分的膜部分的耐久性，并且由橡胶状弹性体构成，并且可以抑制工作流体站在膜部分的凹面中 。 本发明的离合器密封件是插入在干式离合器中的离合器片和按压离合器片的活塞之间的环形密封件，在固定到离合器壳体的外圈和内圈之间具有固定到活塞的中间环 并且具有分别由外圈和中间环之间以及内圈和中间环之间的橡胶状弹性体构成的膜部，其中，中间环设置在初始形状的中间位置 膜部分。
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公开(公告)号：US20180258932A1
公开(公告)日：2018-09-13
申请号：US15912972
申请日：2018-03-06
申请人： NOK Corporation
发明人： Koji Tsukamoto
IPC分类号： F04C15/00
CPC分类号： F04C15/0015 , F01P3/202 , F01P5/10 , F04C5/00 , F04C2210/1094 , F04C2240/20 , F04C2250/20 , F05C2251/10
摘要： An impeller 1 for a pump includes a cylindrical bush 13 rotatably held at an eccentric position within a cylindrical pump housing via a rotating shaft 3 and a plurality of vanes 11 that are fixed to an outer circumferential face of the bush 13 and radially extend to divide the inside of the pump housing into a plurality of compartments 14, each of the vanes 11 being made of a rubber-like elastic material and being formed inclined in a rotational direction of the bush 13 relative to a radial direction from the rotating shaft 3 of the bush 13.
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公开(公告)号：US11053937B2
公开(公告)日：2021-07-06
申请号：US16342896
申请日：2017-10-05
申请人： NOK CORPORATION
发明人： Koji Tsukamoto
摘要： An impeller is attached to a rotary shaft provided in an inner space of a housing and includes a tube fixed to the rotary shaft and a plurality of blades protruding toward an outer diameter direction from the tube. A tip of each blade is in slidable contact with an inner peripheral surface of the housing. Each blade has a shape curved toward a rotation-direction rear side of the rotary shaft in a free state and includes an extension surface on a rotation-direction front side of the rotary shaft and a compression surface on the rotation-direction rear side of the rotary shaft. A curvature radius of a root on the compression surface in the blade is formed larger than a curvature radius of a root on the extension surface in the blade.
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公开(公告)号：US10100881B2
公开(公告)日：2018-10-16
申请号：US14440170
申请日：2013-10-08
发明人： Koji Tsukamoto , Kuniaki Miyake , Toshihiro Mukaida , Hitoshi Okabe , Atsushi Yokota , Tatsuya Osone , Yuuzo Akasaka , Hiroki Uehara , Jun Furuichi
摘要： The invention provides a clutch seal which can enhance a durability of a membrane portion which is a constituting part of a seal and is constructed by a rubber-like elastic body, and can inhibit a working fluid from standing in a concave surface of the membrane portion. The clutch seal of the invention is an annular seal interposed between a clutch plate in a dry clutch and a piston pressing the clutch plate, has a middle ring fixed to the piston between an outer ring and an inner ring which are fixed to a clutch housing, and has membrane portions constructed by a rubber-like elastic body respectively between the outer ring and the middle ring and between the inner ring and the middle ring, wherein the middle ring is arranged at an intermediate position of a stroke in an initial shape of the membrane portion.
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