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1. 发明授权

US08333516B2 Bearing for alternator and bearing for pulley 有权
标题翻译：轴承用于交流发电机和滑轮轴承
公开(公告)号：US08333516B2
公开(公告)日：2012-12-18
申请号：US12785288
申请日：2010-05-21
申请人： Chikara Ohki , Tomoaki Goto
发明人： Chikara Ohki , Tomoaki Goto
IPC分类号： F16C33/30
CPC分类号： F16C33/62 , F16C19/00 , F16C19/06 , F16C33/30 , F16C33/32 , F16C33/64 , F16C2204/66 , F16C2223/16 , F16C2240/90 , F16C2380/26 , Y10S148/906 , Y10S384/912
摘要： A bearing for alternators and a bearing for pulleys for reducing hydrogen embrittlement or cracking is used when the bearing is in an environment having a severe condition, such as, when hydrogen is generated from grease or the like. The bearing includes a rolling element, an inner ring and an outer ring, and at least one of the rolling element, where the inner and outer rings have a nitrogen enriched layer containing austenite crystal grains having a grain size number exceeding 10.
摘要翻译：当轴承处于严酷状态的环境中时，例如当从油脂等产生氢时，使用用于交流发电机的轴承和用于减少氢脆或裂纹的滑轮的轴承。所述轴承包括滚动元件，内圈和外圈，以及所述滚动元件中的至少一个，所述内圈和所述外圈具有包含粒径数超过10的奥氏体晶粒的富氮层。

2. 发明授权

US07744283B2 Bearing for alternator and bearing for pulley 有权
标题翻译：轴承用于交流发电机和滑轮轴承
公开(公告)号：US07744283B2
公开(公告)日：2010-06-29
申请号：US10795389
申请日：2004-03-09
申请人： Chikara Ohki , Tomoaki Goto
发明人： Chikara Ohki , Tomoaki Goto
IPC分类号： F16C33/30
CPC分类号： F16C33/62 , F16C19/00 , F16C19/06 , F16C33/30 , F16C33/32 , F16C33/64 , F16C2204/66 , F16C2223/16 , F16C2240/90 , F16C2380/26 , Y10S148/906 , Y10S384/912
摘要： A bearing for alternators and a bearing for pulleys for reducing hydrogen embrittlement or cracking is used when the bearing is in an environment having a severe condition, such as, when hydrogen is generated from grease or the like. The bearing includes a rolling element, an inner ring and an outer ring, and at least one of the rolling element, where the inner and outer rings have a nitrogen enriched layer containing austenite crystal grains having a grain size number exceeding 10.
摘要翻译：当轴承处于严酷状态的环境中时，例如当从油脂等产生氢时，使用用于交流发电机的轴承和用于减少氢脆或裂纹的滑轮的轴承。所述轴承包括滚动元件，内圈和外圈，以及所述滚动元件中的至少一个，所述内圈和所述外圈具有包含粒径数超过10的奥氏体晶粒的富氮层。

3. 发明授权

US07585114B2 Compressor bearing and compressor component 有权
标题翻译：压缩机轴承和压缩机组件
公开(公告)号：US07585114B2
公开(公告)日：2009-09-08
申请号：US10809797
申请日：2004-03-26
申请人： Chikara Ohki , Tomoaki Goto
发明人： Chikara Ohki , Tomoaki Goto
IPC分类号： F16C33/62
CPC分类号： C22C38/18 , C22C38/02 , C22C38/04 , F04B27/0873 , F04B27/0895 , F04B27/1063 , F04B39/12 , F04C18/0207 , F04C29/005 , F04C2240/50 , F05C2201/0433 , F05C2251/02 , F16C33/62 , F16C2240/06 , F16C2360/00 , F16C2361/63
摘要： A compressor component incorporated into a compressor having a compressor body and a compressor pulley mechanism transmitting a driving force to the compressor body has an austenite grain with a grain size number falling within a range exceeding 10, a fracture stress value of at least 2650 MPa, or a hydrogen content of at most 0.5 ppm. This provides a compressor component and a compressor bearing with a long fatigue life, a high anti-crack strength, and a reduced secular dimensional variation.
摘要翻译：将具有压缩机主体的压缩机部件和将驱动力传递到压缩机主体的压缩机滑轮机构的压缩机部件具有晶粒数落入超过10的范围的奥氏体晶粒，断裂应力值为2650MPa以上，或氢含量为0.5ppm以下。这提供了具有长的疲劳寿命，高抗裂强度和减小的世俗尺寸变化的压缩机部件和压缩机轴承。

4. 发明授权

US09243305B2 Method for producing a bearing ring 有权
公开(公告)号：US09243305B2
公开(公告)日：2016-01-26
申请号：US13980834
申请日：2012-01-12
申请人： Hiroshi Yuki , Chikara Ohki , Kazuhiro Yagita
发明人： Hiroshi Yuki , Chikara Ohki , Kazuhiro Yagita
IPC分类号： C21D9/40 , F16C33/64 , C21D1/10 , C21D1/28 , C21D1/30 , C22C38/00 , F16C23/08 , C21D1/18 , C21D1/19
摘要： A method for producing a bearing ring of a rolling bearing includes the steps of: preparing a formed body constituted of hypereutectoid steel; forming an annular heated region heated to a temperature of at least an A1 point on the formed body by relatively rotating an induction heating member arranged to face part of an annular region for becoming a rolling contact surface of the bearing ring in the formed body to induction-heat the formed body along the circumferential direction of the annular region; and simultaneously cooling the whole of the heated region to a temperature of not more than an Ms point.

5. 发明申请

US20130301969A1 METHOD FOR PRODUCING BEARING RING, BEARING RING, AND ROLLING BEARING 有权
标题翻译：用于生产轴承圈，轴承圈和滚动轴承的方法
公开(公告)号：US20130301969A1
公开(公告)日：2013-11-14
申请号：US13980834
申请日：2012-01-12
申请人： Hiroshi Yuki , Chikara Ohki , Kazuhiro Yagita
发明人： Hiroshi Yuki , Chikara Ohki , Kazuhiro Yagita
IPC分类号： C21D9/40 , F16C33/64
CPC分类号： C21D9/40 , C21D1/10 , C21D1/18 , C21D1/19 , C21D1/28 , C21D1/30 , C21D2211/00 , C21D2211/004 , C21D2211/008 , C21D2221/00 , C21D2221/10 , C22C38/00 , F16C19/38 , F16C23/086 , F16C33/64 , F16C2202/04 , F16C2204/66 , F16C2204/70 , F16C2204/74 , F16C2300/14 , F16C2360/31 , Y02P10/253 , Y10T29/49689
摘要： A method for producing a bearing ring of a rolling bearing includes the steps of: preparing a formed body constituted of hypereutectoid steel; forming an annular heated region heated to a temperature of at least an A1 point on the formed body by relatively rotating an induction heating member arranged to face part of an annular region for becoming a rolling contact surface of the bearing ring in the formed body to induction-heat the formed body along the circumferential direction of the annular region; and simultaneously cooling the whole of the heated region to a temperature of not more than an Ms point.
摘要翻译：一种用于制造滚动轴承的轴承环的方法包括以下步骤：制备由过共析钢构成的成形体; 通过相对地旋转设置成面对环形区域的一部分的感应加热构件，形成在成形体上加热到至少A1点的温度的环形加热区域，以成为成形体中的轴承环的滚动接触表面以感应 - 沿所述环形区域的圆周方向加热所述成形体; 同时将整个加热区域全部冷却至不大于Ms点的温度。

6. 发明授权

US08002907B2 Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing 有权
标题翻译：轴承部件，其热处理方法，热处理装置和滚动轴承
公开(公告)号：US08002907B2
公开(公告)日：2011-08-23
申请号：US10897016
申请日：2004-07-23
申请人： Chikara Ohki
发明人： Chikara Ohki
IPC分类号： C23C8/32
CPC分类号： C23C8/32 , C21D1/18 , C21D1/78 , C21D9/36 , C21D9/40 , C23C8/80 , F16C2240/90
摘要： Obtain a bearing's component, a heat treatment method thereof, and a rolling bearing having a long life against rolling contact fatigue and high anti-crack strength, and suppressed long-term dimensional variation rate. The bearing's component is carbonitrided at a carbonitriding temperature higher than an A1 transformation point of steel for the bearing's component and then cooled to a temperature lower than the A1 transformation point, and subsequently, using a heat treatment apparatus that successively moves and heats each individual bearing's component, reheated to a range of quenching temperature of no less than the A1 transformation point and less than the carbonitriding temperature to be quenched.
摘要翻译：获得轴承的部件，其热处理方法以及滚动接触疲劳寿命长和抗裂纹强度高的滚动轴承，并且抑制长期的尺寸变化率。该轴承的部件在高于用于轴承部件的钢的A1相变点的碳氮共渗温度下碳氮共渗，然后冷却至低于A1相变点的温度，随后使用热处理设备，其连续地移动和加热每个轴承的重新加热至不低于A1相变点的淬火温度范围，并且小于待淬火的碳氮共渗温度。

7. 发明申请

US20100154937A1 CARBONITRIDING METHOD, MACHINERY COMPONENT FABRICATION METHOD, AND MACHINERY COMPONENT 有权
标题翻译：碳化方法，机械部件制造方法和机械部件
公开(公告)号：US20100154937A1
公开(公告)日：2010-06-24
申请号：US12296054
申请日：2007-04-03
申请人： Chikara Ohki
发明人： Chikara Ohki
IPC分类号： C23C8/32 , C22C38/00
CPC分类号： C21D9/40 , C21D1/06 , C21D1/74 , C21D1/76 , C21D9/32 , C21D9/36 , C21D11/00 , C23C8/30 , C23C8/32 , F16C33/64
摘要： A carbonitriding method that can improve the nitrogen permeating rate to render the carbonitriding process effective includes an atmosphere control step (50), and a heating pattern control step (60). The atmosphere control step (50) includes an undecomposed NH3 partial pressure control step (51), and a CO/CO2 partial pressure control step (53). The undecomposed NH3 partial pressure control step (51) and the CO/CO2 partial pressure control step (53) are carried out in the atmosphere control step (50) such that ac* defined by the following equation (1) is at least 0.88 and not more than 1.27, and α defined by equation (2) is at least 0.012 and not more than 0.020, where PN is the undecomposed ammonia partial pressure and PH is the hydrogen partial pressure in the heat treatment furnace, wherein a c * = ( Pco ) 2  K × Pco 2 ( 1 ) PCO: partial pressure of carbon dioxide (atm), PCO2: partial pressure of carbon dioxide (atm) K: equlibrium constant at +CO22CO α = P N 0.006 × ( P H ) 3 2 × ( 1.877 - 1.055 × a c * ) 100 ( 2 )
摘要翻译：可以提高氮渗透速度使碳氮共渗工艺有效的碳氮共渗方法包括气氛控制步骤（50）和加热模式控制步骤（60）。气氛控制步骤（50）包括未分解的NH 3分压控制步骤（51）和CO / CO 2分压控制步骤（53）。未分解的NH 3分压控制步骤（51）和CO / CO 2分压控制步骤（53）在气氛控制步骤（50）中进行，使得由下式（1）定义的ac *为至少0.88，不超过1.27，由式（2）定义的α为0.012且不大于0.020，其中PN为未分解的氨分压，PH为热处理炉中的氢分压，其中ac * =（Pco ）2 K×Pco 2（1）PCO：二氧化碳的分压（atm），PCO2：二氧化碳的分压（atm）K：CCO + CO22CO的平衡常数α= PN 0.006×（PH）3 2×（1.877-1.055×ac *）100（2）

8. 发明授权

US07682087B2 Transmission component, method of manufacturing the same, and tapered roller bearing 有权
标题翻译：传动部件，制造方法和圆锥滚子轴承
公开(公告)号：US07682087B2
公开(公告)日：2010-03-23
申请号：US10787221
申请日：2004-02-27
申请人： Kouichi Okugami , Yoshinori Muramatsu , Chikara Ohki , Michio Hori
发明人： Kouichi Okugami , Yoshinori Muramatsu , Chikara Ohki , Michio Hori
IPC分类号： F16C33/58 , F16C33/00
CPC分类号： F16C33/64 , C23C8/32 , F16C33/32 , F16C33/34 , F16H57/021
摘要： A transmission component is incorporated into a transmission in which an input shaft, an output shaft, or a gear is rotatably supported by a rolling bearing. The component has a nitriding layer at a surface layer and an austenite grain with a grain size number falling within a range exceeding 10. This provides a transmission component having an increased anti-crack strength, enhanced dimensional stability, and a long fatigue life. A method of manufacturing such a transmission component and a tapered roller bearing are also provided.
摘要翻译：传动部件被结合到传动装置中，输入轴，输出轴或齿轮由滚动轴承可旋转地支撑。该组分在表面层具有氮化层，并且晶粒数落在超过10的范围内的奥氏体晶粒。这提供了具有增加的抗裂纹强度，增强的尺寸稳定性和长的疲劳寿命的透射组分。还提供了制造这种传动部件和圆锥滚子轴承的方法。

9. 发明申请

US20070269336A1 Ball-and-Roller Bearing 审中-公开
标题翻译：滚珠轴承
公开(公告)号：US20070269336A1
公开(公告)日：2007-11-22
申请号：US10574567
申请日：2004-09-30
申请人： Chikara Ohki , Kikuo Maeda
发明人： Chikara Ohki , Kikuo Maeda
IPC分类号： C22C38/50 , C21D9/40 , C22C38/08 , C22C38/18 , C22C38/22 , C22C38/46
CPC分类号： C22C38/40 , C21D9/40 , C21D2201/00 , C22C38/02 , C22C38/04
摘要： Ball-and-roller bearing parts are alloyed with alloyed with 0.6% to 1.3% by weight of C, 0.3% to 3.0% by weight of Si, 0.2% to 1.5% by weight of Mn, 0.03% by weight or less of P, 0.03% by weight or less of S, 0.3% to 5.0% by weight of Cr, 0.1% to 3.0% by weight of Ni, 0.050% by weight or less of Al, 0.003% by weight or less of Ti, 0.0015% by weight or less of O, and 0.015% by weight or less of N with the remainder being made up of Fe and inevitable impurities. The part has a nitrogen-enriched layer. The austenite crystals of the steel have a grain size number of greater than 10.
摘要翻译：滚珠轴承部件与C：0.6〜1.3重量％，Si：0.3〜3.0重量％，Mn：0.2〜1.5重量％，P：0.03重量％以下，，0.03重量％以下的S，0.3〜5.0重量％的Cr，0.1〜3.0重量％的Ni，0.050重量％以下的Al，0.003重量％以下的Ti，0.0015质量％以下，N为0.015重量％以下，余量由Fe和不可避免的杂质构成。该部分具有富氮层。钢的奥氏体晶体的晶粒数大于10。

10. 发明授权

US07270607B2 Constant velocity universal joint and method of manufacturing the same 失效
标题翻译：恒速万向节及其制造方法
公开(公告)号：US07270607B2
公开(公告)日：2007-09-18
申请号：US10857982
申请日：2004-06-02
申请人： Hiroshi Murakami , Chikara Ohki
发明人： Hiroshi Murakami , Chikara Ohki
IPC分类号： F16D3/205
CPC分类号： C23C8/32 , C21D1/78 , C21D9/0068 , C21D9/40 , C23C8/80 , F16D3/2055 , Y10S464/905
摘要： To provide a constant velocity universal joint having a high resistance to cracking, a high dimensional stability and an excellent rolling fatigue life, the constant velocity universal joint includes an outer coupling member (5), an inner coupling member such as a tripod member (2), and a drive transmitting member such as rollers (7) operatively interposed between the outer and inner coupling members (5 and 2). At least one of the outer coupling member (5), the tripod member (2) and the rollers (7) has a carbonitrided layer and, at the same time, an austenite grain size is greater than the grade of No. 10.
摘要翻译：为了提供具有高抗开裂性，高尺寸稳定性和优异的滚动疲劳寿命的等速万向接头，等速万向接头包括外联接构件（5），诸如三脚架构件（2）的内联接构件）和可操作地插入在所述外联接构件（5和2）之间的诸如辊（7）的驱动传递构件。外联接构件（5），三球架构件（2）和滚子（7）中的至少一个具有碳氮共渗层，同时奥氏体晶粒尺寸大于10号的等级。

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