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1. 发明授权

US08016488B2 Fluid dynamic bearing device 有权
标题翻译：流体动力轴承装置
公开(公告)号：US08016488B2
公开(公告)日：2011-09-13
申请号：US12411749
申请日：2009-03-26
申请人： Itsuo Murata , Masaya Soeda , Masaharu Hori , Masaaki Toda
发明人： Itsuo Murata , Masaya Soeda , Masaharu Hori , Masaaki Toda
IPC分类号： F16C17/00
CPC分类号： F16C33/107 , F16C17/107 , F16C33/74 , F16C2370/12
摘要： The fluid dynamic bearing device includes a housing, two bearing sleeves fixed to the housing at positions axially spaced apart from each other, and a shaft member inserted along inner peripheries of the bearing sleeves. The housing includes a spacer portion protruding further radially inwardly than inner peripheral surfaces to which the bearing sleeves are fixed. An axial fluid path is formed in the spacer portion, and the axial fluid path communicates to flow paths formed by axial grooves of the bearing sleeves.
摘要翻译：流体动力轴承装置包括：壳体，两个轴承套筒，其在彼此轴向间隔开的位置处固定到壳体;以及轴构件，其沿轴承套筒的内周面插入。壳体包括间隔部分，其进一步径向向内突出，该内周面固定有轴承套筒。轴向流体路径形成在间隔件部分中，并且轴向流体路径连通到由轴承套筒的轴向槽形成的流路。

2. 发明授权

US08177434B2 Fluid dynamic bearing device 有权
标题翻译：流体动力轴承装置
公开(公告)号：US08177434B2
公开(公告)日：2012-05-15
申请号：US12282057
申请日：2007-02-28
申请人： Kenji Ito , Yoshiharu Inazuka , Isao Komori , Masaharu Hori , Masaaki Toda
发明人： Kenji Ito , Yoshiharu Inazuka , Isao Komori , Masaharu Hori , Masaaki Toda
IPC分类号： F16C32/06
CPC分类号： F16C17/107 , F16C17/026 , F16C17/045 , F16C33/107
摘要： A fluid dynamic bearing device includes a housing injection molded with a bearing sleeve as an insert. Accordingly, the molding of the housing and the assembly of the housing and the bearing sleeve can be performed in a single step. In addition to this, by simply increasing the die precisions the housing and the bearing sleeve can be fixed easily with high precision. Since the housing is opened at both ends, it is possible to sandwich the bearing sleeve, and accordingly, the bearing sleeve can be accurately positioned inside the dies with reliability.
摘要翻译：流体动力轴承装置包括注射成型的轴承套筒作为插入件的壳体。因此，壳体的模制和壳体和轴承套的组装可以在一个步骤中进行。除此之外，通过简单地增加模具精度，可以高精度地容易地固定壳体和轴承套筒。由于壳体在两端开口，因此可以夹持轴承套筒，因此可以可靠地将轴承套筒精确地定位在模具内部。

3. 发明申请

US20090285514A1 FLUID DYNAMIC BEARING DEVICE 有权
标题翻译：流体动力轴承装置
公开(公告)号：US20090285514A1
公开(公告)日：2009-11-19
申请号：US12293953
申请日：2007-03-22
申请人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
发明人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
IPC分类号： F16C32/06
CPC分类号： F16C17/107 , F16C33/107 , H02K5/1675
摘要： Provided is a fluid dynamic bearing device which has excellent moment rigidity and an improved working efficiency in assembling and parts control, and in which a bearing sleeve can be easily manufactured. A plurality of bearing sleeves are axially disposed in the fluid dynamic bearing device. The bearing sleeves (3, 4) are formed with different axial lengths from each other.
摘要翻译：本发明提供一种流体动力轴承装置，其具有优异的力矩刚性和提高组装和零件控制的工作效率，并且可以容易地制造轴承套筒。多个轴承套筒轴向设置在流体动力轴承装置中。轴承套筒3,4彼此形成不同的轴向长度。

4. 发明申请

US20090136165A1 FLUID DYNAMIC BEARING UNIT 有权
标题翻译：流体动力轴承单元
公开(公告)号：US20090136165A1
公开(公告)日：2009-05-28
申请号：US12294331
申请日：2007-03-19
申请人： Masaharu Hori , Masaaki Toda , Isao Komori
发明人： Masaharu Hori , Masaaki Toda , Isao Komori
IPC分类号： F16C32/06
CPC分类号： F16C33/745 , F16C17/107 , F16C33/107 , F16C43/02 , F16C2370/12
摘要： A fluid dynamic bearing unit is provided which has a high load capacity against a moment load, whose bearing sleeves can be manufactured and fixed easily, and which can provide a required fixing power. The bearing sleeve is inserted into an inner periphery of a housing, and its bottom end is fixed to the top end of a spacer part with an adhesive. Another bearing sleeve is inserted into another part of the inner periphery of the housing, and its top end is fixed to the bottom end of the spacer part with an adhesive.
摘要翻译：提供一种流体动力轴承单元，其具有针对力矩负载的高负载能力，其轴承套筒可以容易地制造和固定，并且可以提供所需的固定力。轴承套筒插入壳体的内周，其底端用粘合剂固定在间隔件的顶端。另一个轴承套被插入壳体的内周的另一部分中，并且其顶端用粘合剂固定到间隔件部分的底端。

5. 发明授权

US08104964B2 Fluid dynamic bearing unit 有权
标题翻译：流体动力轴承单元
公开(公告)号：US08104964B2
公开(公告)日：2012-01-31
申请号：US12294331
申请日：2007-03-19
申请人： Masaharu Hori , Masaaki Toda , Isao Komori
发明人： Masaharu Hori , Masaaki Toda , Isao Komori
IPC分类号： F16C32/06
CPC分类号： F16C33/745 , F16C17/107 , F16C33/107 , F16C43/02 , F16C2370/12
摘要： A fluid dynamic bearing unit is provided which has a high load capacity against a moment load, whose bearing sleeves can be manufactured and fixed easily, and which can provide a required fixing power. The bearing sleeve is inserted into an inner periphery of a housing, and its bottom end is fixed to the top end of a spacer part with an adhesive. Another bearing sleeve is inserted into another part of the inner periphery of the housing, and its top end is fixed to the bottom end of the spacer part with an adhesive.
摘要翻译：提供一种流体动力轴承单元，其具有针对力矩负载的高负载能力，其轴承套筒可以容易地制造和固定，并且可以提供所需的固定力。轴承套筒插入壳体的内周，其底端用粘合剂固定在间隔件的顶端。另一个轴承套被插入壳体的内周的另一部分中，并且其顶端用粘合剂固定到间隔件部分的底端。

6. 发明申请

US20100231074A1 FLUID DYNAMIC BEARING DEVICE AND MANUFACTURING METHOD THEREFOR 有权
标题翻译：流体动力轴承装置及其制造方法
公开(公告)号：US20100231074A1
公开(公告)日：2010-09-16
申请号：US12160326
申请日：2006-11-09
申请人： Nobuyoshi Yamashita , Masaaki Toda , Kimihiko Bitou , Masaharu Hori
发明人： Nobuyoshi Yamashita , Masaaki Toda , Kimihiko Bitou , Masaharu Hori
IPC分类号： F16C32/06 , B21D53/10 , H02K5/167
CPC分类号： F16C33/107 , F16C17/107 , Y10T29/49639
摘要： To provide a fluid dynamic pressure bearing device that achieves high rigidity against moment without degradation in assembly precision and bearing performance, bearing sleeves are arranged in an axial direction and coaxiality of radial bearing surfaces formed on inner peripheral surfaces of the bearing sleeves is set to 3 μm or less. This secures width precision between the radial bearing gaps to prevent a degradation in bearing performance and a failure such as wear etc. caused by contact between a shaft member and the bearing sleeves. Further, a first radial bearing surface and a second radial bearing surface are provided on at least one sleeve, and this allows a sleeve assembly constructed from the bearing sleeves to be supported at least three positions in the axial direction in a process of assembling the sleeve assembly. As a result, assembly work can be carried out with two bearing sleeves prevented from being bent at a midway thereof, and highly accurate coaxiality between both the bearing sleeves is secured.
摘要翻译：为了提供一种流体动压轴承装置，其在刚度不会降低组装精度和轴承性能的同时实现高刚度，轴向套筒沿轴向布置，并且形成在轴承套内周表面上的径向支承面的同轴度设定为3 μm以下。这确保径向轴承间隙之间的宽度精度，以防止由轴构件和轴承套筒之间的接触引起的轴承性能的劣化和诸如磨损等的故障。此外，在至少一个套筒上设置有第一径向支承表面和第二径向支承表面，并且这允许由轴承套筒构成的套筒组件在组装套筒的过程中沿轴向方向被支撑在至少三个位置部件。结果，可以进行组装工作，其中两个轴承套筒在其中途被阻止弯曲，并且确保两个轴承套筒之间的高度精确的同轴度。

7. 发明申请

US20090092347A1 FLUID DYNAMIC BEARING DEVICE 有权
标题翻译：流体动力轴承装置
公开(公告)号：US20090092347A1
公开(公告)日：2009-04-09
申请号：US12282057
申请日：2007-02-28
申请人： Kenji Ito , Yoshiharu Inazuka , Isao Komori , Masaharu Hori , Masaaki Toda
发明人： Kenji Ito , Yoshiharu Inazuka , Isao Komori , Masaharu Hori , Masaaki Toda
IPC分类号： F16C32/06
CPC分类号： F16C17/107 , F16C17/026 , F16C17/045 , F16C33/107
摘要： A fluid dynamic bearing device capable of exercising high bearing performance is provided at low cost.A housing 7 is injection molded with a bearing sleeve 8 as an insert. Accordingly, the molding of the housing 7 and the assembly of the housing 7 and the bearing sleeve 8 can be performed in a single step. In addition to this, by simply increasing the die precisions the housing 7 and the bearing sleeve 8 can be fixed easily with high precision. Since the housing 7 is opened at both ends, it is possible to sandwich the bearing sleeve 8, and accordingly, the bearing sleeve 8 can be accurately positioned inside the dies with reliability.
摘要翻译：以低成本提供能够承受高轴承性能的流体动力轴承装置。外壳7被注塑成型，轴承套8作为插入件。因此，壳体7的模制和壳体7和轴承套筒8的组件可以在一个步骤中执行。除此之外，通过简单地增加模具精度，可以高精度地容易地固定壳体7和轴承套筒8。由于壳体7在两端开口，因此能够夹持轴承套筒8，因此可以可靠地将轴承套筒8精确地定位在模具内。

8. 发明授权

US08562219B2 Fluid dynamic bearing device 有权
标题翻译：流体动力轴承装置
公开(公告)号：US08562219B2
公开(公告)日：2013-10-22
申请号：US13492467
申请日：2012-06-08
申请人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
发明人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
IPC分类号： F16C32/06
CPC分类号： F16C17/107 , F16C33/107 , H02K5/1675
摘要： A gap width out of the radial bearing gap is axially differed; a narrow width part which has a relatively smaller gap width in the radial bearing gap is arranged on the side relatively closer to a barycentric position of the rotating body, and a wide width part which has a relatively larger gap width in the radial bearing gap is arranged on a side relatively distant from the barycentric position of the rotating body; and a region facing at least the radial bearing gap of the bearing member is formed to an electroformed part made of deposited metal.
摘要翻译：径向轴承间隙外的间隙宽度是轴向不同的; 在径向轴承间隙中具有相对较小的间隙宽度的窄宽度部分布置在相对更靠近旋转体的重心位置的一侧，并且在径向轴承间隙中具有相对较大间隙宽度的宽幅部分是布置在相对远离旋转体的重心位置的一侧; 并且至少面向轴承构件的径向轴承间隙的区域形成为由沉积金属制成的电铸部件。

9. 发明申请

US20120243813A1 FLUID DYNAMIC BEARING DEVICE 有权
标题翻译：流体动力轴承装置
公开(公告)号：US20120243813A1
公开(公告)日：2012-09-27
申请号：US13492467
申请日：2012-06-08
申请人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
发明人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
IPC分类号： F16C32/06
CPC分类号： F16C17/107 , F16C33/107 , H02K5/1675
摘要： Provided is a fluid dynamic bearing device which has excellent moment rigidity and an improved working efficiency in assembling and parts control, and in which a bearing sleeve can be easily manufactured. A plurality of bearing sleeves are axially disposed in the fluid dynamic bearing device. The bearing sleeves (3, 4) are formed with different axial lengths from each other.
摘要翻译：本发明提供一种流体动力轴承装置，其具有优异的力矩刚性和提高组装和零件控制的工作效率，并且可以容易地制造轴承套筒。多个轴承套筒轴向设置在流体动力轴承装置中。轴承套筒3,4彼此形成不同的轴向长度。

10. 发明授权

US08215843B2 Fluid dynamic bearing device 有权
标题翻译：流体动力轴承装置
公开(公告)号：US08215843B2
公开(公告)日：2012-07-10
申请号：US12293953
申请日：2007-03-22
申请人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
发明人： Masaharu Hori , Masaaki Toda , Kenji Hibi , Tetsuya Yamamoto
IPC分类号： F16C32/06 , F16C33/10
CPC分类号： F16C17/107 , F16C33/107 , H02K5/1675
摘要： A fluid dynamic bearing device includes a bearing sleeve including a radial bearing surface, a shaft member to be inserted to an inner circumference of the bearing member, and a radial bearing part for non-contact supporting the shaft member in a radial direction by a dynamic pressure action of a fluid generated in a radial bearing gap between the radial bearing surface of the bearing member and an outer circumferential surface of the shaft member. Additionally, a plurality of bearing sleeves are axially arranged, and each bearing sleeve is formed having different axial length with respect to one another.
摘要翻译：一种流体动力轴承装置包括：轴承套筒，其包括径向支承面，待轴承构件插入的轴构件;以及径向轴承部件，其用于非径向支承轴构件，在轴承构件的径向支承表面和轴构件的外周表面之间的径向轴承间隙中产生的流体的压力作用。此外，轴向布置多个轴承套筒，并且每个轴承套筒相对于彼此具有不同的轴向长度。

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