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公开(公告)号：US20120230618A1
公开(公告)日：2012-09-13
申请号：US13509910
申请日：2010-11-24
IPC分类号： F16C32/06
CPC分类号： F16C32/0629 , F16C17/107 , F16C33/1085 , F16C33/74 , F16C33/743 , F16C33/745
摘要： A weld line formed by injection molding of a sealing member is formed at a circumferential position out of deepest portions of axial grooves, which form thinned portions of the sealing member (optimally, in a region of a cylindrical surface between the axial grooves in a circumferential direction). Thus, the sealing member is prevented from being provided with parts having locally markedly low strength, and hence damage to be caused by press-fitting is prevented.
摘要翻译： 通过密封部件的注射成形形成的焊接线形成在轴向槽的最深部的圆周位置处，形成密封部件的薄壁部（最好是在圆周面的轴向槽之间的圆筒面的区域 方向）。 因此，防止密封构件设置有局部显着低强度的部件，因此防止由压配合引起的损坏。
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公开(公告)号：US20140145366A1
公开(公告)日：2014-05-29
申请号：US14168108
申请日：2014-01-30
IPC分类号： F16C32/06
CPC分类号： F16C32/0629 , F16C17/107 , F16C33/1085 , F16C33/74 , F16C33/743 , F16C33/745
摘要： A weld line formed by injection molding of a sealing member is formed at a circumferential position out of deepest portions of axial grooves, which form thinned portions of the sealing member (optimally, in a region of a cylindrical surface between the axial grooves in a circumferential direction). Thus, the sealing member is prevented from being provided with parts having locally markedly low strength, and hence damage to be caused by press-fitting is prevented.
摘要翻译： 通过密封部件的注射成形形成的焊接线形成在轴向槽的最深部的圆周位置处，形成密封部件的薄壁部（最好是在圆周面的轴向槽之间的圆筒面的区域 方向）。 因此，防止密封构件设置有局部显着低强度的部件，因此防止由压配合引起的损坏。
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公开(公告)号：US20090129710A1
公开(公告)日：2009-05-21
申请号：US11910316
申请日：2006-04-17
申请人： Kenji Ito , Isao Komori , Fuminori Satoji , Fuyuki Ito , Yoshiharu Inazuka
发明人： Kenji Ito , Isao Komori , Fuminori Satoji , Fuyuki Ito , Yoshiharu Inazuka
IPC分类号： F16C32/06
CPC分类号： F16C33/107 , F16C17/107 , F16C33/745 , F16C2220/04 , H02K7/085 , H02K7/086
摘要： The present invention aims to achieve a reduction in cost for a fluid dynamic bearing device. The fluid dynamic bearing device supports a shaft member (2) radially in a non-contact fashion by a dynamic pressure action generated in a radial bearing gap between an outer peripheral surface of the shaft member (2) and an inner peripheral surface (7a) of a bearing member (7), and is composed of the shaft member (2), the bearing member (7), a cover member (8), and a seal member (9). The shaft member (2) is inserted into an inner periphery of the bearing member (7), and an opening at a lower end thereof is sealed by the cover member (8). The seal member (9) is attached to an opening at an upper end of the bearing member (7), forming a seal space (S) between itself and the outer peripheral surface of the shaft member (2). Dynamic pressure grooves (G) of radial bearing portions (R1 and R2) are formed in an inner peripheral surface (7a) of the bearing member (7) by molding.
摘要翻译： 本发明旨在实现流体动力轴承装置的成本的降低。 流体动力轴承装置通过在轴构件（2）的外周表面和内周表面（7a）之间的径向轴承间隙中产生的动压作用以非接触的方式径向地支撑轴构件（2） 轴承部件（7），由轴部件（2），轴承部件（7），盖部件（8）和密封部件（9）构成。 轴构件（2）插入到轴承构件（7）的内周，并且其下端的开口被盖构件（8）密封。 密封构件（9）安装在轴承构件（7）的上端的开口处，在其与轴构件（2）的外周面之间形成密封空间（S）。 径向轴承部分（R1和R2）的动态压力槽（G）通过模制形成在轴承件（7）的内周表面（7a）中。
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公开(公告)号：US08256962B2
公开(公告)日：2012-09-04
申请号：US11910316
申请日：2006-04-17
申请人： Kenji Ito , Isao Komori , Fuminori Satoji , Fuyuki Ito , Yoshiharu Inazuka
发明人： Kenji Ito , Isao Komori , Fuminori Satoji , Fuyuki Ito , Yoshiharu Inazuka
IPC分类号： F16C32/06
CPC分类号： F16C33/107 , F16C17/107 , F16C33/745 , F16C2220/04 , H02K7/085 , H02K7/086
摘要： The present invention aims to achieve a reduction in cost for a fluid dynamic bearing device. The fluid dynamic bearing device supports a shaft member (2) radially in a non-contact fashion by a dynamic pressure action generated in a radial bearing gap between an outer peripheral surface of the shaft member (2) and an inner peripheral surface (7a) of a bearing member (7), and is composed of the shaft member (2), the bearing member (7), a cover member (8), and a seal member (9). The shaft member (2) is inserted into an inner periphery of the bearing member (7), and an opening at a lower end thereof is sealed by the cover member (8). The seal member (9) is attached to an opening at an upper end of the bearing member (7), forming a seal space (S) between itself and the outer peripheral surface of the shaft member (2). Dynamic pressure grooves (G) of radial bearing portions (R1 and R2) are formed in an inner peripheral surface (7a) of the bearing member (7) by molding.
摘要翻译： 本发明旨在实现流体动力轴承装置的成本的降低。 流体动力轴承装置通过在轴构件（2）的外周表面和内周表面（7a）之间的径向轴承间隙中产生的动压作用以非接触的方式径向地支撑轴构件（2） 轴承部件（7），由轴部件（2），轴承部件（7），盖部件（8）和密封部件（9）构成。 轴构件（2）插入到轴承构件（7）的内周，并且其下端的开口被盖构件（8）密封。 密封构件（9）安装在轴承构件（7）的上端的开口处，在其与轴构件（2）的外周面之间形成密封空间（S）。 径向轴承部分（R1和R2）的动态压力槽（G）通过模制形成在轴承件（7）的内周表面（7a）中。
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公开(公告)号：US20120315169A1
公开(公告)日：2012-12-13
申请号：US13580091
申请日：2011-03-28
申请人： Masaharu Hori , Jun Hirade , Tatsuya Hayashi , Yasuhiro Yamamoto , Natsuhiko Mori , Fuminori Satoji , Toshiaki Niwa , Tetsuya Kurimura , Kimihiko Bito
发明人： Masaharu Hori , Jun Hirade , Tatsuya Hayashi , Yasuhiro Yamamoto , Natsuhiko Mori , Fuminori Satoji , Toshiaki Niwa , Tetsuya Kurimura , Kimihiko Bito
CPC分类号： H02K5/1672 , F16C17/107 , F16C33/107 , F16C33/128 , F16C33/14 , F16C43/02 , F16C2220/04 , F16C2220/20 , F16C2226/12 , F16C2226/14 , F16C2226/40 , F16C2360/46 , H02K2205/03 , H02K2213/09
摘要： Providing a fluid dynamic bearing device, wherein the outer member comprises a member formed by a pressing process on a plate member, the radial bearing surface and at least the one of the thrust bearing surfaces of the outer member being formed by the pressing process, and wherein at least a part of the inner member, which forms the radial bearing surface and the thrust bearing surfaces of the inner member, is made of a sintered metal.
摘要翻译： 提供一种流体动力轴承装置，其中外部构件包括通过在板构件上的压制工艺形成的构件，径向支承表面和外部构件的至少一个推力支承表面通过压制工艺形成，并且 其中形成所述径向支承面的所述内部构件的至少一部分和所述内部构件的推力承载面由所述烧结金属制成。
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公开(公告)号：US09154012B2
公开(公告)日：2015-10-06
申请号：US13580091
申请日：2011-03-28
申请人： Masaharu Hori , Jun Hirade , Tatsuya Hayashi , Yasuhiro Yamamoto , Natsuhiko Mori , Fuminori Satoji , Toshiaki Niwa , Tetsuya Kurimura , Kimihiko Bito
发明人： Masaharu Hori , Jun Hirade , Tatsuya Hayashi , Yasuhiro Yamamoto , Natsuhiko Mori , Fuminori Satoji , Toshiaki Niwa , Tetsuya Kurimura , Kimihiko Bito
CPC分类号： H02K5/1672 , F16C17/107 , F16C33/107 , F16C33/128 , F16C33/14 , F16C43/02 , F16C2220/04 , F16C2220/20 , F16C2226/12 , F16C2226/14 , F16C2226/40 , F16C2360/46 , H02K2205/03 , H02K2213/09
摘要： Providing a fluid dynamic bearing device, wherein the outer member comprises a member formed by a pressing process on a plate member, the radial bearing surface and at least the one of the thrust bearing surfaces of the outer member being formed by the pressing process, and wherein at least a part of the inner member, which forms the radial bearing surface and the thrust bearing surfaces of the inner member, is made of a sintered metal.
摘要翻译： 提供一种流体动力轴承装置，其中外部构件包括通过在板构件上的压制工艺形成的构件，径向支承表面和外部构件的至少一个推力支承表面通过压制工艺形成，并且 其中形成所述径向支承面的所述内部构件的至少一部分和所述内部构件的推力承载面由所述烧结金属制成。
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公开(公告)号：US09249830B2
公开(公告)日：2016-02-02
申请号：US14382038
申请日：2013-03-07
CPC分类号： F16C33/125 , B22F3/16 , B22F5/106 , B22F7/02 , B22F7/06 , B22F2003/033 , B22F2207/01 , B22F2301/35 , B22F2998/10 , C22C33/0278 , C22C38/08 , C22C38/12 , C22C38/16 , F16C17/02 , F16C33/10 , F16C33/121 , F16C33/128 , F16C33/145 , F16C2202/06 , F16C2204/60 , B22F3/02 , B22F3/10 , B22F2003/248 , B22F2003/241
摘要： Provided is a sintered bearing (1) including an inner layer (2) and an outer layer (3) formed by integral molding, the sintered bearing (1) having a bearing surface (A) formed on an inner peripheral surface (2a) of an inner layer (2). The inner layer (2) is made of sintered metal containing Fe and a hardness increasing element (such as Ni or Mo). The outer layer (3) is made of sintered metal containing Fe and no hardness increasing element. A concentration gradient of the hardness increasing element is present at an interface between the inner layer (2) and the outer layer (3).
摘要翻译： 提供一种烧结轴承（1），其包括内层（2）和通过一体成型形成的外层（3），所述烧结轴承（1）具有形成在内周面（2a）上的轴承面（A） 内层（2）。 内层（2）由含有Fe和硬度增加元素（例如Ni或Mo）的烧结金属制成。 外层（3）由含Fe的烧结金属制成，没有增加硬度的元素。 硬度增加元素的浓度梯度存在于内层（2）和外层（3）之间的界面处。
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公开(公告)号：US08388226B2
公开(公告)日：2013-03-05
申请号：US13425083
申请日：2012-03-20
CPC分类号： H02K7/085 , B29C45/34 , B29K2081/04 , B29K2105/12 , B29K2707/04 , F16C17/107 , F16C35/02 , F16C2370/12
摘要： A dynamic bearing device allows production of a smaller housing at low cost and suppresses ion elution from the resin portion to thereby maintain cleanliness in the dynamic bearing device and exert a desired bearing performance. A dynamic bearing device 1 is equipped with a bearing sleeve 8 fixed to the inner periphery of the housing 7, and a rotary member rotatable relative to the bearing sleeve 8 and the housing 7, in which the rotary member is supported in the radial direction and the thrust direction in a non-contact manner by a dynamic pressure action of a lubricant fluid generated in a bearing clearance. The housing 7 is formed by injection molding of a resin composition containing polyphenylene sulfide (PPS) as the base resin and PAN type carbon fibers as a filler.
摘要翻译： 动态轴承装置允许以低成本生产较小的壳体，并且抑制从树脂部分的离子洗脱，从而保持动态轴承装置的清洁度并发挥期望的轴承性能。 动态轴承装置1配备有固定到壳体7的内周的轴承套筒8和可相对于轴承套筒8和壳体7旋转的旋转构件，旋转构件沿径向方向被支撑， 通过在轴承间隙中产生的润滑剂流体的动态压力作用以非接触方式推动推力方向。 外壳7通过以聚苯硫醚（PPS）为基础树脂和PAN型碳纤维作为填料的树脂组合物的注射成型而形成。
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公开(公告)号：US20090230593A1
公开(公告)日：2009-09-17
申请号：US12065828
申请日：2006-08-24
申请人： Fuminori Satoji , Kenji Ito
发明人： Fuminori Satoji , Kenji Ito
IPC分类号： B29C45/17
CPC分类号： B29C45/568 , B22F3/225 , B29C45/0046 , B29L2031/04 , F16C17/107 , F16C33/107 , F16C2370/12
摘要： High-precision, low-cost molding of dynamic pressure generating grooves is made possible.An ultrasonic generating device 20 is connected to an injection mold 10. The dynamic pressure generating grooves are molded by means of radial dynamic pressure generating groove forming parts 16 and a thrust dynamic pressure generating groove forming part 17 provided in the injection mold 10, with ultrasonic vibration generated by the ultrasonic generating device 20 being applied to the injection mold 10 during the injection molding.
摘要翻译： 动压产生槽的高精度，低成本成型成为可能。 超声波发生装置20连接到注射模具10上。动压产生槽通过径向动压产生槽形成部分16和设置在注模10中的推力动压产生槽形成部分17模制，其中超声波 在注射成型期间由超声波发生装置20产生的振动施加到注射模具10。
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公开(公告)号：US20090034888A1
公开(公告)日：2009-02-05
申请号：US11629167
申请日：2005-08-02
申请人： Kenji Ito , Fuminori Satoji , Hiroyasu Yamauchi , Mitsuo Maeda
发明人： Kenji Ito , Fuminori Satoji , Hiroyasu Yamauchi , Mitsuo Maeda
IPC分类号： F16C17/10
CPC分类号： G11B19/2009 , F16C17/107 , F16C33/107 , F16C35/02 , F16C2370/12 , H02K7/085
摘要： A housing for a hydrodynamic bearing unit of this type is formed from a resin material having high oil resistance and low outgassing property to ensure the cleanliness of the bearing unit. An ester-based lubricating oil is used as a lubricating oil filled inside the hydrodynamic bearing unit 1, and the housing 7 is formed from an LCP-based resin material.
摘要翻译： 这种类型的流体动力轴承单元的壳体由具有高耐油性和低脱气性能的树脂材料形成，以确保轴承单元的清洁度。 酯基润滑油用作填充在流体动力轴承单元1内的润滑油，壳体7由LCP基树脂材料形成。
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