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公开(公告)号：US09068589B2
公开(公告)日：2015-06-30
申请号：US14086275
申请日：2013-11-21
Inventor： Ryusuke Sugiki
CPC classification number: F16C17/026 , F16C33/1045 , F16C33/106 , F16C33/107 , F16C2370/12
Abstract: A rotating device includes a shaft body that has a shaft, a first flange extending outwardly from the outer periphery of the shaft, and a second flange, a bearing body that has a shaft encircling member encircling the shaft between the first flange and the second flange, a first thrust opposing part formed between the shaft encircling member and the first flange, a second thrust opposing part formed between the shaft encircling member and the second flange, an intermediate space provided in a gap between the shaft and the shaft encircling member, a radial dynamic pressure bearing, a first communication channel that allows the first thrust opposing part to be in communication with the intermediate space, and a second communication channel that allows the second thrust opposing part to be in communication with the intermediate space.
Abstract translation: 旋转装置包括轴体，其具有轴，从轴的外周向外延伸的第一凸缘和第二凸缘;轴承体，其具有围绕轴的第一凸缘和第二凸缘之间的轴环绕构件 形成在所述轴环绕构件和所述第一凸缘之间的第一推力对置部，形成在所述轴环绕构件和所述第二凸缘之间的第二推力对置部，设置在所述轴与所述轴环绕构件之间的间隙中的中间空间， 径向动压轴承，允许第一推力相对部分与中间空间连通的第一连通通道，以及允许第二推力对置部分与中间空间连通的第二连通通道。
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公开(公告)号：US08934196B2
公开(公告)日：2015-01-13
申请号：US14079112
申请日：2013-11-13
Inventor： Mitsuo Kodama , Ryusuke Sugiki , Akira Aoi
CPC classification number: G11B19/2018 , F16C17/107 , F16C33/745 , F16C35/02 , F16C2370/12 , G11B5/40 , G11B5/5582 , H02K5/16 , Y10T29/49025 , Y10T29/49027 , Y10T29/49032 , Y10T29/53165
Abstract: A rotating apparatus includes a hub, a shaft housing portion having a center through-hole, and a base plate, having a base circular part that extends axially and with an inner surface thereof used as a bearing hole. Further included is a shaft with a cylindrical section housed in the through-hole, an extending section formed integrally with the cylindrical section and extending radially from a first end of the cylindrical section, and an annular section provided radially from a second end of the cylindrical section. Provided on the inner surface of the through-hole is a groove configured to generate radial dynamic pressure in lubricant. The rotatable rotor includes a portion encircling at least part of the annular section. An opening of the bearing hole surrounds a part of the shaft housing portion, the extending section inserted and fixed into the opening, with a hardening resin interposed therebetween.
Abstract translation: 旋转装置包括轮毂，具有中心通孔的轴壳体部分和基板，具有轴向延伸并且其内表面用作轴承孔的基部圆形部分。 进一步包括一个轴，其中圆柱形部分容纳在通孔中，一个延伸部分与该圆柱形部分整体形成并且从该圆柱形部分的第一端部径向延伸，并且从该圆柱形部分的第二端径向设置的环形部分 部分。 在通孔的内表面上设置有用于在润滑剂中产生径向动压的凹槽。 可旋转转子包括环绕至少部分环形部分的部分。 轴承孔的开口围绕轴容纳部分的一部分，延伸部分插入并固定到开口中，其间插入硬化树脂。
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公开(公告)号：US08760810B2
公开(公告)日：2014-06-24
申请号：US14029889
申请日：2013-09-18
Inventor： Ryusuke Sugiki
IPC: G11B5/60
CPC classification number: G11B19/2018 , F16C17/107 , F16C32/0659 , F16C33/103 , F16C33/745 , F16C2370/12 , G11B5/4813 , G11B19/2036 , G11B33/123 , Y10T29/49639
Abstract: A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft. A second sleeve extending around the first sleeve is fixed thereto. A first annular member fixed to the second sleeve surrounds the first flange. A second annular member fixed to the second flange surrounds a portion of the second sleeve. A first capillary seal includes a clearance between the first flange and the first annular member. A second capillary seal includes a clearance between the second annular member and the second sleeve. Lubricant is provided in the clearances in the first and second capillary seals. The second annular member and the second sleeve are designed so that the lubricant in the clearance in the second capillary seal can be viewed from a point in a radial position which is outward of the second sleeve as seen in an axial direction.
Abstract translation: 第一套筒围绕轴可旋转地延伸。 第一和第二法兰固定在轴上。 围绕第一套筒延伸的第二套筒固定在其上。 固定到第二套筒的第一环形构件围绕第一凸缘。 固定到第二凸缘的第二环形构件围绕第二套筒的一部分。 第一毛细管密封件包括第一凸缘和第一环形构件之间的间隙。 第二毛细管密封件包括第二环形构件和第二套筒之间的间隙。 润滑剂设置在第一和第二毛细管密封件的间隙中。 第二环形构件和第二套筒被设计成使得可以从在轴向方向看到的第二套筒的外侧的径向位置的点观察第二毛细管密封件中的间隙中的润滑剂。
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公开(公告)号：US20140056548A1
公开(公告)日：2014-02-27
申请号：US13895512
申请日：2013-05-16
Inventor： Mitsuo Kodama , Ryusuke Sugiki
IPC: F16C32/06
CPC classification number: F16C32/064 , F16C17/107 , F16C33/103 , F16C33/745 , F16C2240/94 , F16C2370/12 , G11B19/2009 , H02K7/086
Abstract: A rotary device includes a fixed body including a shaft; a rotary body including a sleeve being configured to surround the shaft through lubricant; and first and second taper seals provided in a space between the fixed body and the rotary body in which gas-liquid interfaces of the lubricant exist, respectively, when the rotary device is operated, the first and taper seals being configured such that a lower limit of a filling ratio of the second taper seal corresponds to a predetermined range of the filling ratio of the first taper seal including its lower limit of the filling ratio, and an upper limit of the filling ratio of the second taper seal corresponds to a predetermined filling ratio of the first taper seal that is larger than an upper limit of the predetermined range and lower than an upper limit of the first taper seal.
Abstract translation: 旋转装置包括：固定体，其包括轴; 包括套筒的旋转体构造成通过润滑剂围绕轴; 以及设置在所述固定体和所述旋转体之间的空间中的第一和第二锥形密封件，其中当所述旋转装置被操作时，分别存在所述润滑剂的气液界面，所述第一和第二锥形密封件被配置为使得下限 第二锥形密封件的填充率对应于第一锥形密封件的填充率的预定范围，包括其填充比的下限，并且第二锥形密封件的填充率的上限对应于预定填充物 所述第一锥形密封件的比例大于所述预定范围的上限并且低于所述第一锥形密封件的上限。
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5.发明授权Disk drive device with structure that can suppress vaporization and diffusion of lubricant 有权具有能够抑制润滑剂的蒸发和扩散的结构的磁盘驱动装置公开(公告)号：US09082448B2
公开(公告)日：2015-07-14
申请号：US14166651
申请日：2014-01-28
Inventor： Mitsuo Kodama , Ryusuke Sugiki
CPC classification number: G11B19/2036 , F16C17/107 , F16C33/745 , F16C2370/12 , G11B25/043 , G11B33/1473 , H02K7/086
Abstract: A disk drive device comprises a chassis, an annular hub having an outer periphery on which a recording disk is to be mounted, and having an inner periphery to which an annular magnet is fastened, a fluid bearing unit that supports the hub in a manner freely rotatable relative to the chassis, an opposing wall formed annularly on the surface of the chassis at the hub side, and facing with at least partially the inner periphery of the hub in the radial direction, a first gap that extends in the axial direction between the inner periphery of the hub and the opposing wall, and a second gap that is continuous from the first gap and extends in the radial direction between the end face of the hub and the chassis.
Abstract translation: 磁盘驱动装置包括底盘，具有外周的环形轮毂，其上安装有记录盘，并且具有固定有环形磁体的内周;流体轴承单元，以自由方式支撑轮毂; 可相对于所述底盘旋转的相对的壁，所述相对壁在所述轮毂侧的所述底盘的表面上环形地形成，并且至少部分地相对于所述轮毂的径向方向的内周面;第一间隙， 轮毂的内周和相对的壁，以及从第一间隙连续并在轮毂的端面和底盘之间沿径向方向延伸的第二间隙。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20150131181A1
公开(公告)日：2015-05-14
申请号：US14600070
申请日：2015-01-20
Inventor： Ryusuke Sugiki
CPC classification number: G11B19/2018 , F16C17/107 , F16C32/0659 , F16C33/103 , F16C33/745 , F16C2370/12 , G11B5/4813 , G11B19/2036 , G11B33/123 , Y10T29/49639
Abstract: A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft. A second sleeve extending around the first sleeve is fixed thereto. A first annular member fixed to the second sleeve surrounds the first flange. A second annular member fixed to the second flange surrounds a portion of the second sleeve. A first capillary seal includes a clearance between the first flange and the first annular member. A second capillary seal includes a clearance between the second annular member and the second sleeve. Lubricant is provided in the clearances in the first and second capillary seals. The second annular member and the second sleeve are designed so that the lubricant in the clearance in the second capillary seal can be viewed from a point in a radial position which is outward of the second sleeve as seen in an axial direction.
Abstract translation: 第一套筒围绕轴可旋转地延伸。 第一和第二法兰固定在轴上。 围绕第一套筒延伸的第二套筒固定在其上。 固定到第二套筒的第一环形构件围绕第一凸缘。 固定到第二凸缘的第二环形构件围绕第二套筒的一部分。 第一毛细管密封件包括第一凸缘和第一环形构件之间的间隙。 第二毛细管密封件包括第二环形构件和第二套筒之间的间隙。 润滑剂设置在第一和第二毛细管密封件的间隙中。 第二环形构件和第二套筒被设计成使得可以从在轴向方向看到的第二套筒的外侧的径向位置的点观察第二毛细管密封件中的间隙中的润滑剂。
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公开(公告)号：US08970987B2
公开(公告)日：2015-03-03
申请号：US14277938
申请日：2014-05-15
Inventor： Ryusuke Sugiki
CPC classification number: G11B19/2018 , F16C17/107 , F16C32/0659 , F16C33/103 , F16C33/745 , F16C2370/12 , G11B5/4813 , G11B19/2036 , G11B33/123 , Y10T29/49639
Abstract: A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft. A second sleeve extending around the first sleeve is fixed thereto. A first annular member fixed to the second sleeve surrounds the first flange. A second annular member fixed to the second flange surrounds a portion of the second sleeve. A first capillary seal includes a clearance between the first flange and the first annular member. A second capillary seal includes a clearance between the second annular member and the second sleeve. Lubricant is provided in the clearances in the first and second capillary seals. The second annular member and the second sleeve are designed so that the lubricant in the clearance in the second capillary seal can be viewed from a point in a radial position which is outward of the second sleeve as seen in an axial direction.
Abstract translation: 第一套筒围绕轴可旋转地延伸。 第一和第二法兰固定在轴上。 围绕第一套筒延伸的第二套筒固定在其上。 固定到第二套筒的第一环形构件围绕第一凸缘。 固定到第二凸缘的第二环形构件围绕第二套筒的一部分。 第一毛细管密封件包括第一凸缘和第一环形构件之间的间隙。 第二毛细管密封件包括第二环形构件和第二套筒之间的间隙。 润滑剂设置在第一和第二毛细管密封件的间隙中。 第二环形构件和第二套筒被设计成使得可以从在轴向方向看到的第二套筒的外侧的径向位置的点观察第二毛细管密封件中的间隙中的润滑剂。
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公开(公告)号：US20140212079A1
公开(公告)日：2014-07-31
申请号：US14151906
申请日：2014-01-10
Inventor： Mitsuo KODAMA , Ryusuke Sugiki
IPC: G11B33/14
CPC classification number: G11B33/1473 , G11B19/2036
Abstract: A disk drive unit includes a rotor including a disk setting part on which a disk is set, a bearing unit configured to rotatably support the rotor, wherein the bearing unit includes a shaft member and a bearing member surrounding the shaft member, and a lubricant provided in a gap between the shaft member and the bearing member, a fixed body configured to support the bearing unit, and a capturing body, provided in a space communicating from a gas-liquid interface of the lubricant to a disk accommodating space in which the disk is accommodated, configured to capture the lubricant vaporizing from the gas-liquid interface.
Abstract translation: 磁盘驱动单元包括转子，该转子包括设置有盘的盘设定部，配置为可旋转地支撑转子的轴承单元，其中，所述轴承单元包括轴构件和围绕所述轴构件的轴承构件， 在轴构件和轴承构件之间的间隙中，构造成支撑轴承单元的固定体和设置在从润滑剂的气液界面连通到盘容纳空间的空间中的捕获体，其中盘 被配置成捕获从气 - 液界面蒸发的润滑剂。
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公开(公告)号：US20130242433A1
公开(公告)日：2013-09-19
申请号：US13891243
申请日：2013-05-10
Inventor： Ryusuke Sugiki
IPC: G11B19/20
CPC classification number: G11B19/2018 , F16C17/107 , F16C32/0659 , F16C33/103 , F16C33/745 , F16C2370/12 , G11B5/4813 , G11B19/2036 , G11B33/123 , Y10T29/49639
Abstract: A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft. A second sleeve extending around the first sleeve is fixed thereto. A first annular member fixed to the second sleeve surrounds the first flange. A second annular member fixed to the second flange surrounds a portion of the second sleeve. A first capillary seal includes a clearance between the first flange and the first annular member. A second capillary seal includes a clearance between the second annular member and the second sleeve. Lubricant is provided in the clearances in the first and second capillary seals. The second annular member and the second sleeve are designed so that the lubricant in the clearance in the second capillary seal can be viewed from a point in a radial position which is outward of the second sleeve as seen in an axial direction.
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10.发明授权公开(公告)号：US09019656B2
公开(公告)日：2015-04-28
申请号：US14196036
申请日：2014-03-04
Inventor： Mitsuo Kodama , Ryusuke Sugiki
CPC classification number: G11B19/2036 , F16C33/745 , H02K7/086
Abstract: A disk drive unit includes a rotor configured to rotate a disk accommodated within a disk accommodating space and set thereon, a fixed body configured to rotatably support the rotor, a fluid dynamic pressure generating part provided between the fixed body and the rotor, and a plurality of ring-shaped members, provided in an overlapping manner along a direction of a rotational axis of the rotor within a space that communicates the disk accommodating space and a gas-liquid interface of the lubricant, and covering a gap between the rotor and the fixed body.
Abstract translation: 磁盘驱动单元包括：转子，其被配置为使容纳在盘容纳空间内的盘旋转并设置在其上，固定体，其构造成可旋转地支撑转子;流体动压产生部，设置在固定体和转子之间;多个 环形构件，其在与所述盘容纳空间连通的空间和所述润滑剂的气液界面之间沿着所述转子的旋转轴线的方向以重叠的方式设置，并且覆盖所述转子和所述固定件之间的间隙 身体。
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