公开(公告)号：US5980819A

公开(公告)日：1999-11-09

申请号：US38963

申请日：1998-03-12

申请人： Hisaya Nakagawa ,  Toru Nakanishi ,  Michiaki Takizawa ,  Takehiko Yazawa

发明人： Hisaya Nakagawa ,  Toru Nakanishi ,  Michiaki Takizawa ,  Takehiko Yazawa

IPC分类号： F16C33/10 ,  C22C32/00 ,  F16D69/02 ,  H02K5/167 ,  B22F3/12 ,  B22F3/24

CPC分类号： C22C32/0089 ,  F16C33/128 ,  F16C33/145 ,  F16D69/027 ,  F16C33/104 ,  F16C33/1095

摘要： A sintered oil-impregnated bearing 20 used in a bearing device 30 is made by molding a mixture of a composite fine particles (main material) and a solid lubricant previously added to the main material in a proportion of about one weight percent to about three weight percent, wherein the main material comprises composite fine particles composed of iron powders having surfaces coated with copper, and the solid lubricant comprises fine particles made of an inorganic compound such as molybdenum disulfide and having surfaces coated with copper, sintering the mold at a temperature in a range of 650.degree. C. to 700.degree. C. to form a sintered body 20b, and impregnating the sintered body 20b with lubricant oil. Since the sintered body 20b itself has lubricity, the sintered oil-impregnated bearing is free from abrasion or seizure even if oil is used up.

摘要翻译： 在轴承装置30中使用的烧结的含油轴承20通过以预先添加到主材料中的复合细颗粒（主要材料）和固体润滑剂的混合物以约1重量％至约3重量％的比例 百分比，其中主要材料包括由表面涂覆有铜的铁粉构成的复合细颗粒，固体润滑剂包括由无机化合物如二硫化钼制成的细颗粒并具有铜表面，在 在650℃至700℃的范围内形成烧结体20b，并用润滑油浸渍烧结体20b。 由于烧结体20b本身具有润滑性，因此即使油被用尽，烧结的含油轴承也不会磨损或卡死。

公开(公告)号：US06341896B1

公开(公告)日：2002-01-29

申请号：US09549593

申请日：2000-04-14

申请人： Kazushi Miura ,  Masato Gomyo ,  Takayuki Narita ,  Tokio Tago ,  Takehiko Yazawa

发明人： Kazushi Miura ,  Masato Gomyo ,  Takayuki Narita ,  Tokio Tago ,  Takehiko Yazawa

IPC分类号： F16C1702

CPC分类号： F16C33/107 ,  F16C3/02 ,  F16C17/026 ,  F16C17/107 ,  F16C33/12 ,  F16C2204/60 ,  F16C2370/12

摘要： A shaft member 21 the flexible, austenitic stainless steel is cold worked, and in the cold working process, a cold working ratio is increased, whereby a surface of the shaft member 21 is hardened. Therefore, there is no need for a nitriding treatment for the surface hardening. The corrosion proof performance of the passive coating possessed by the stainless steel is kept as intact.

摘要翻译： 轴构件21柔性奥氏体不锈钢被冷加工，并且在冷加工过程中，冷加工率增加，从而轴构件21的表面硬化。 因此，不需要对表面硬化进行氮化处理。 不锈钢所具有的钝化涂层的防腐蚀性能保持不变。

公开(公告)号：US06375357B2

公开(公告)日：2002-04-23

申请号：US09961322

申请日：2001-09-25

申请人： Kazushi Miura ,  Masato Gomyo ,  Takayuki Narita ,  Tokio Tago ,  Takehiko Yazawa

发明人： Kazushi Miura ,  Masato Gomyo ,  Takayuki Narita ,  Tokio Tago ,  Takehiko Yazawa

IPC分类号： F16C3206

CPC分类号： F16C17/045 ,  F16C17/107 ,  F16C33/107 ,  F16C43/02 ,  F16C2370/12 ,  G11B19/2009 ,  H02K5/1677 ,  H02K7/086

摘要： A potential-difference alleviating member for alleviating and lowering the potential difference, which is an energy difference between a rotating or fixed bearing member and a rotary hub or a fixing frame which are formed of metals of different types, is interposed between the two members so as to prevent the occurrence or advance of potential difference corrosion. Relief portions are respectively provided at a joining interface between a rotary shaft and a thrust plate and a joining interface between a bearing member and the counter plate, and the respective members are welded in the relief portions so as to be integrated.

公开(公告)号：US06614139B2

公开(公告)日：2003-09-02

申请号：US09919370

申请日：2001-07-30

申请人： Masayoshi Saichi ,  Takehiko Yazawa

发明人： Masayoshi Saichi ,  Takehiko Yazawa

IPC分类号： H02K516

CPC分类号： F16C17/10 ,  F16C2370/12 ,  G11B19/2009 ,  H02K5/1675

摘要： A motor having a dynamic pressure bearing apparatus includes a fixed bearing member mounted to a motor frame, a rotating shaft member rotatably inserted with respect to the fixed bearing member and a lubricating fluid injected into a gap portion between the fixed bearing member and the rotating shaft member. The rotating shaft member is supported by a dynamic-pressure caused by the lubricating fluid. In addition, the motor frame is provided with a generally cylindrical bearing hold member that holds and fixes a bearing member. The bearing hold member includes a bearing contacting portion which abuts against the fixed bearing member or one part of the assembly including the fixed bearing member in an axial direction for positioning the fixed bearing member in a normal position in an axial direction.

公开(公告)号：US06378209B1

公开(公告)日：2002-04-30

申请号：US09556481

申请日：2000-04-21

申请人： Masato Gomyo ,  Kazushi Miura ,  Ryuhei Matsuda ,  Tokio Tago ,  Takehiko Yazawa

发明人： Masato Gomyo ,  Kazushi Miura ,  Ryuhei Matsuda ,  Tokio Tago ,  Takehiko Yazawa

IPC分类号： B21D5310

CPC分类号： F16C33/107 ,  F16C33/745 ,  F16C2370/12 ,  H02K5/1677 ,  Y10T29/49639 ,  Y10T29/49702

摘要： In a dynamic pressure bearing device which has a shaft (3), a bearing (10) rotatable relative to the shaft (3), and capillary seal portions (13, 14) for holding a lubricating fluid (15) in a bearing clearance and in which the shaft (3) and the bearing (10) are relatively rotatably supported by dynamic pressure of the lubricating fluid (15) in the bearing clearance is scattered by centrifugal force so that the lubricating fluid (15) is kept in a constant quantity by the capillary seal portions (13, 14).

摘要翻译： 在具有轴（3），可相对于轴（3）旋转的轴承（10）的动态压力承受装置和用于将润滑流体（15）保持在轴承间隙中的毛细管密封部分（13,14） 其中，所述轴（3）和所述轴承（10）通过所述轴承间隙中的所述润滑流体（15）的动态压力相对可旋转地支撑，由离心力散射，使得所述润滑流体（15）保持恒定 通过毛细管密封部分（13,14）。

公开(公告)号：US06343877B1

公开(公告)日：2002-02-05

申请号：US09549698

申请日：2000-04-14

申请人： Kazushi Miura ,  Masato Gomyo ,  Takayuki Narita ,  Tokio Tago ,  Takehiko Yazawa

发明人： Kazushi Miura ,  Masato Gomyo ,  Takayuki Narita ,  Tokio Tago ,  Takehiko Yazawa

IPC分类号： F16C3206

CPC分类号： F16C17/045 ,  F16C17/107 ,  F16C33/107 ,  F16C43/02 ,  F16C2370/12 ,  G11B19/2009 ,  H02K5/1677 ,  H02K7/086

摘要： A potential-difference alleviating member for alleviating and lowering the potential difference, which is an energy difference between a rotating or fixed bearing member and a rotary hub or a fixing frame which are formed of metals of different types, is interposed between the two members so as to prevent the occurrence or advance of potential difference corrosion. Relief portions are respectively provided at a joining interface between a rotary shaft and a thrust plate and a joining interface between a bearing member and the counter plate, and the respective members are welded in the relief portions so as to be integrated.

摘要翻译： 用于减轻和降低作为旋转或固定轴承构件与由不同类型的金属形成的旋转轮毂或固定框架之间的能量差异的电位差减轻构件插入在两个构件之间，因此 以防止电位差腐蚀的发生或进展。 泄压部分分别设置在旋转轴和止推板之间的接合界面处，以及轴承构件和对置板之间的接合界面，并且各个构件被焊接在浮雕部分中以便一体化。