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1. 发明申请

US20070199632A1 Steel part having long rolling contact fatigue life and method for producing the same 审中-公开
标题翻译：具有长的滚动接触疲劳寿命的钢部件及其制造方法
公开(公告)号：US20070199632A1
公开(公告)日：2007-08-30
申请号：US11706687
申请日：2007-02-15
申请人： Takashi Iwamoto , Kunikazu Tomita , Hideto Kimura , Takaaki Toyooka , Hisato Nishisaka , Masao Goto , Hisashi Harada
发明人： Takashi Iwamoto , Kunikazu Tomita , Hideto Kimura , Takaaki Toyooka , Hisato Nishisaka , Masao Goto , Hisashi Harada
IPC分类号： C22C38/22
CPC分类号： C22C38/60 , C21D1/26 , C21D1/28 , C21D1/32 , C21D6/002 , C22C38/02 , C22C38/06 , C22C38/22 , C22C38/34 , F16C33/30 , F16C33/32 , F16C33/34 , F16C33/62 , F16H55/32 , Y10S148/906
摘要： A steel part having a long rolling contact fatigue life and capable of further increasing the life of a bearing under severer using condition than usual conditions. The steel part includes steel having a composition containing 0.7% by mass to 1.1% by mass of C, 0.5% by mass to 2.0% by mass of Si, 0.4% by mass to 2.5% by mass of Mn, 1.6% by mass to 5.0% by mass of Cr, 0.1% by mass to less than 0.5% by mass of Mo, 0.010% by mass to 0.050% by mass of Al, less than 0.0015% by mass of Sb as an impurity, and the balance composed of Fe and inevitable impurities, the steel being hardened and tempered. In the steel structure of a portion from the surface to a depth of 5 mm, residual cementite has a grain diameter of 0.05 to 1.5 μm, prior austenite has a grain diameter of 30 μm or less, and the ratio by volume of the residual austenite is less than 25%.
摘要翻译：具有滚动接触疲劳寿命长的钢部件，能够比常规条件更严格地使用轴承的使用寿命。钢部件包括含有0.7质量％至1.1质量％的C，0.5质量％至2.0质量％的Si，0.4质量％至2.5质量％的Mn，1.6质量％至1.6质量％ 5.0质量％的Cr，0.1质量％〜小于0.5质量％的Mo，0.010质量％〜0.050质量％的Al，小于0.0015质量％的作为杂质的Sb，余量由铁和不可避免的杂质，钢被硬化和回火。在从表面到深度为5mm的部分的钢结构中，残留渗碳体的粒径为0.05〜1.5μm，前奥氏体的粒径为30μm以下，残留奥氏体的体积比小于25％。

2. 发明授权

US08118953B2 Method for producing steel part having long rolling contact fatigue life 有权
标题翻译：具有滚动接触疲劳寿命长的钢部件的制造方法
公开(公告)号：US08118953B2
公开(公告)日：2012-02-21
申请号：US12694674
申请日：2010-01-27
申请人： Takashi Iwamoto , Kunikazu Tomita , Hideto Kimura , Takaaki Toyooka , Hisato Nishisaka , Masao Goto , Hisashi Harada
发明人： Takashi Iwamoto , Kunikazu Tomita , Hideto Kimura , Takaaki Toyooka , Hisato Nishisaka , Masao Goto , Hisashi Harada
IPC分类号： C21D8/00 , C21D9/36 , C21D9/40
CPC分类号： C22C38/60 , C21D1/26 , C21D1/28 , C21D1/32 , C21D6/002 , C22C38/02 , C22C38/06 , C22C38/22 , C22C38/34 , F16C33/30 , F16C33/32 , F16C33/34 , F16C33/62 , F16H55/32 , Y10S148/906
摘要： A steel part having a long rolling contact fatigue life and capable of further increasing the life of a bearing under severer using condition than usual conditions. The steel part includes steel having a composition containing 0.7% by mass to 1.1% by mass of C, 0.5% by mass to 2.0% by mass of Si, 0.4% by mass to 2.5% by mass of Mn, 1.6% by mass to 5.0% by mass of Cr, 0.1% by mass to less than 0.5% by mass of Mo, 0.010% by mass to 0.050% by mass of Al, less than 0.0015% by mass of Sb as an impurity, and the balance composed of Fe and inevitable impurities, the steel being hardened and tempered. In the steel structure of a portion from the surface to a depth of 5 mm, residual cementite has a grain diameter of 0.05 to 1.5 μm, prior austenite has a grain diameter of 30 μm or less, and the ratio by volume of the residual austenite is less than 25%.
摘要翻译：具有滚动接触疲劳寿命长的钢部件，能够比常规条件更严格地使用轴承的使用寿命。钢部件包括含有0.7质量％至1.1质量％的C，0.5质量％至2.0质量％的Si，0.4质量％至2.5质量％的Mn，1.6质量％至1.6质量％ 5.0质量％的Cr，0.1质量％〜小于0.5质量％的Mo，0.010质量％〜0.050质量％的Al，小于0.0015质量％的作为杂质的Sb，余量由铁和不可避免的杂质，钢被硬化和回火。在从表面到深度为5mm的部分的钢结构中，残留渗碳体的粒径为0.05〜1.5μm，奥氏体的粒径为30μm以下，残留奥氏体的体积比小于25％。

3. 发明申请

US20100139819A1 METHOD FOR PRODUCING STEEL PART HAVING LONG ROLLING CONTACT FATIGUE LIFE 有权
标题翻译：用于生产具有长滚动接触疲劳寿命的钢部件的方法
公开(公告)号：US20100139819A1
公开(公告)日：2010-06-10
申请号：US12694674
申请日：2010-01-27
申请人： Takashi Iwamoto , Kunikazu Tomita , Hideto Kimura , Takaaki Toyooka , Hisato Nishisaka , Masao Goto , Hisashi Harada
发明人： Takashi Iwamoto , Kunikazu Tomita , Hideto Kimura , Takaaki Toyooka , Hisato Nishisaka , Masao Goto , Hisashi Harada
IPC分类号： C21D8/00 , C21D6/00
CPC分类号： C22C38/60 , C21D1/26 , C21D1/28 , C21D1/32 , C21D6/002 , C22C38/02 , C22C38/06 , C22C38/22 , C22C38/34 , F16C33/30 , F16C33/32 , F16C33/34 , F16C33/62 , F16H55/32 , Y10S148/906
摘要： A steel part having a long rolling contact fatigue life and capable of further increasing the life of a bearing under severer using condition than usual conditions. The steel part includes steel having a composition containing 0.7% by mass to 1.1% by mass of C, 0.5% by mass to 2.0% by mass of Si, 0.4% by mass to 2.5% by mass of Mn, 1.6% by mass to 5.0% by mass of Cr, 0.1% by mass to less than 0.5% by mass of Mo, 0.010% by mass to 0.050% by mass of Al, less than 0.0015% by mass of Sb as an impurity, and the balance composed of Fe and inevitable impurities, the steel being hardened and tempered. In the steel structure of a portion from the surface to a depth of 5 mm, residual cementite has a grain diameter of 0.05 to 1.5 μm, prior austenite has a grain diameter of 30 μm or less, and the ratio by volume of the residual austenite is less than 25%.
摘要翻译：具有滚动接触疲劳寿命长的钢部件，能够比常规条件更严格地使用轴承的使用寿命。钢部件包括含有0.7质量％至1.1质量％的C，0.5质量％至2.0质量％的Si，0.4质量％至2.5质量％的Mn，1.6质量％至1.6质量％ 5.0质量％的Cr，0.1质量％〜小于0.5质量％的Mo，0.010质量％〜0.050质量％的Al，小于0.0015质量％的作为杂质的Sb，余量由铁和不可避免的杂质，钢被硬化和回火。在从表面到深度为5mm的部分的钢结构中，残留渗碳体的粒径为0.05〜1.5μm，奥氏体的粒径为30μm以下，残留奥氏体的体积比小于25％。

4. 发明授权

US07763124B2 Steel material with excellent rolling fatigue life and method of producing the same 有权
标题翻译：具有优异的滚动疲劳寿命的钢材及其制造方法
公开(公告)号：US07763124B2
公开(公告)日：2010-07-27
申请号：US10547252
申请日：2004-04-14
申请人： Takashi Iwamoto , Akihiro Matsuzaki , Kazuhiko Ohno , Masao Goto , Hisashi Harada , Hisato Nishisaka
发明人： Takashi Iwamoto , Akihiro Matsuzaki , Kazuhiko Ohno , Masao Goto , Hisashi Harada , Hisato Nishisaka
IPC分类号： C22C38/22 , C22C38/24 , C22C38/26 , C22C38/40 , C21D9/36
CPC分类号： C22C38/22 , C21D1/18 , C21D6/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/60 , F16C33/30 , F16C33/62 , Y10S148/906 , Y10S384/912
摘要： Provided are a steel having excellent rolling contact fatigue life and the manufacturing method thereof. The steel consists essentially of 0.7 to 1.1% C, 0.2 to 2.0% Si, 0.4 to 2.5% Mn, 1.6 to 4.0% Cr, 0.1% or more and less than 0.5% Mo, 0.010 to 0.050% Al, bymass, and balance of Fe and inevitable impurities, is treated by quenching and tempering, has residual cementite grain sizes ranging from 0.05 to 1.5 μm, and has prior-austenite grain sizes of 30 μm or smaller. When the steel is used to bearing steel, the bearing life extends even under service in more severe environments.
摘要翻译：提供具有优异的滚动疲劳寿命的钢及其制造方法。钢主要由0.7-1.1％C，0.2-2.0％Si，0.4-2.5％Mn，1.6-4.0％Cr，0.1％以上到小于0.5％的Mo，0.010到0.050％的Al，的Fe和不可避免的杂质，通过淬火回火处理，残留的渗碳体粒度范围为0.05〜1.5μm，并且具有30μm以下的先前奥氏体晶粒度。当钢用于轴承钢时，轴承寿命即使在更恶劣的环境下也能使用。

5. 发明申请

US20060081314A1 Steel material with excellent rolling fatigue life and method of producing the same 有权
标题翻译：具有优异的滚动疲劳寿命的钢材及其制造方法
公开(公告)号：US20060081314A1
公开(公告)日：2006-04-20
申请号：US10547252
申请日：2004-04-14
申请人： Takashi Iwamoto , Akihiro Matsuzaki , Kazuhiko Ohno , Masao Goto , Hisashi Harada , Hisato Nishisaka
发明人： Takashi Iwamoto , Akihiro Matsuzaki , Kazuhiko Ohno , Masao Goto , Hisashi Harada , Hisato Nishisaka
IPC分类号： C21D6/00
CPC分类号： C22C38/22 , C21D1/18 , C21D6/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/60 , F16C33/30 , F16C33/62 , Y10S148/906 , Y10S384/912
摘要： Provided are a steel having excellent rolling contact fatigue life and the manufacturing method thereof. The steel consists essentially of 0.7 to 1.1% C, 0.2 to 2.0% Si, 0.4 to 2.5% Mn, 1.6 to 4.0% Cr, 0.1% or more and less than 0.5% Mo, 0.010 to 0.050% Al, bymass, and balance of Fe and inevitable impurities, is treated by quenching and tempering, has residual cementite grain sizes ranging from 0.05 to 1.5 μm, and has prior-austenite grain sizes of 30 μm or smaller. When the steel is used to bearing steel, the bearing life extends even under service in more severe environments.
摘要翻译：提供具有优异的滚动疲劳寿命的钢及其制造方法。钢主要由0.7-1.1％C，0.2-2.0％Si，0.4-2.5％Mn，1.6-4.0％Cr，0.1％以上到小于0.5％的Mo，0.010到0.050％的Al，的Fe和不可避免的杂质，通过淬火回火处理，残留的渗碳体粒度范围为0.05-1.5μm，并且具有30μm或更小的先前奥氏体晶粒度。当钢用于轴承钢时，轴承寿命即使在更恶劣的环境下也能使用。

6. 发明申请

US20070204940A1 Rolling/sliding member, toroidal continuously variable transmission using the same method of manufacturing rolling/sliding member 审中-公开
标题翻译：滚动/滑动构件，环形无级变速器，使用与制造滚动/滑动构件相同的方法
公开(公告)号：US20070204940A1
公开(公告)日：2007-09-06
申请号：US11710950
申请日：2007-02-27
申请人： Hisashi Harada , Hisato Nishisaka
发明人： Hisashi Harada , Hisato Nishisaka
IPC分类号： C21D6/00
CPC分类号： F16H55/34 , C21D1/18 , C21D6/002 , C21D6/008 , C21D7/06 , C21D9/40 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/36 , F16H15/38
摘要： A rolling/sliding member used for a toroidal continuously variable transmission according to the present invention is made of steel containing at least C: not less than 0.8 wt % and not more than 1.5 wt %, Si: not less than 0.9 wt % and not more than 2.1 wt % and Cr: not less than 2 wt % and not more than 5 wt %, and by applying surface hardening through machining to a surface whose surface hardness is set to not less than 60 HRC and not more than 64 HRC through quenching/tempering, surface compression residual stress thereof is set to not less than 700 MPa and not more than 1100 MPa. Furthermore, the amount of reduction of surface hardness when heated at 300° C. is set to not more than 1 HRC.
摘要翻译：根据本发明的用于环形无级变速器的滚动/滑动构件由至少C：不小于0.8wt％且不大于1.5wt％的钢制成，Si：不小于0.9wt％，而不是大于2.1重量％，Cr：不小于2重量％且不大于5重量％，并且通过机械加工表面硬化至表面硬度设定为不低于60HRC且不大于64HRC的表面淬火/回火，表面压缩残余应力设定为700MPa以上且1100MPa以下。此外，在300℃下加热时的表面硬度的降低量设定为1HRC以下。

7. 发明授权

US06858100B2 Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：US06858100B2
公开(公告)日：2005-02-22
申请号：US10200133
申请日：2002-07-23
申请人： Hisashi Harada , Masao Goto , Hajime Tazumi
发明人： Hisashi Harada , Masao Goto , Hajime Tazumi
IPC分类号： C21D9/40 , F16C33/32 , F16C33/34 , C22C38/00 , F16C33/00
CPC分类号： F16C33/32 , Y10S148/906 , Y10S384/912
摘要： A rolling bearing including a rolling element made of steel is provided. The rolling element has a hardness of 620 to 750 HV in its interior. The rolling element is so constructed that the hardest point may exist within a depth of 10% of its diameter from a rolling contact surface of the rolling element, and that the hardness at this point is made higher by 20 to 150 HV than the hardness in the interior.
摘要翻译：提供一种包括由钢制成的滚动元件的滚动轴承。滚动元件的内部硬度为620-750HV。滚动元件的构造使得最难点可以存在于滚动体的滚动接触面的直径的10％的深度内，并且此时的硬度比硬度高20〜150HV 内饰。

8. 发明授权

US08854048B2 Sensitivity correction method for dose monitoring device and particle beam therapy system 有权
标题翻译：剂量监测装置和粒子束治疗系统的灵敏度校正方法
公开(公告)号：US08854048B2
公开(公告)日：2014-10-07
申请号：US13262866
申请日：2011-03-10
申请人： Toshihiro Otani , Hisashi Harada , Masahiro Ikeda , Kazushi Hanakawa , Taizo Honda
发明人： Toshihiro Otani , Hisashi Harada , Masahiro Ikeda , Kazushi Hanakawa , Taizo Honda
IPC分类号： G01N27/62 , A61N5/10
CPC分类号： H01J37/304 , A61N5/1048 , A61N5/1071 , A61N5/1077 , A61N2005/1087 , H01J47/02
摘要： In a particle beam therapy system which scans a particle beam and irradiates the particle beam to an irradiation position of an irradiation subject and has a dose monitoring device for measuring a dose of the particle beam and an ionization chamber smaller than the dose monitoring device, the ionization chamber measuring a dose of a particle beam passing through the dose monitoring device, the dose of the particle beam irradiated by the dose monitoring device is measured; the dose of the particle beam passing through the dose monitoring device is measured by the small ionization chamber; and a correction coefficient of the dose measured by the dose monitoring device corresponding to the irradiation position is found based on the dose of the particle beam measured by the small ionization chamber.
摘要翻译：在粒子束治疗系统中，扫描粒子束并将粒子束照射到照射对象的照射位置，并且具有用于测量粒子束的剂量和小于剂量监测装置的电离室的剂量监测装置，电离室测量通过剂量监测装置的粒子束的剂量，测量由剂量监测装置照射的粒子束的剂量; 通过小电离室测量通过剂量监测装置的粒子束的剂量; 并且基于由小电离室测量的粒子束的剂量，求出由与照射位置对应的剂量监测装置测量的剂量的校正系数。

9. 发明申请

US20140116636A1 CORE SAND FILLING DEVICE AND CORE SAND FILLING METHOD IN CORE MAKING MACHINE 有权
标题翻译：核心加工机芯芯填充装置及核心加砂方法
公开(公告)号：US20140116636A1
公开(公告)日：2014-05-01
申请号：US14123329
申请日：2012-05-18
申请人： Shigeyoshi Kato , Shuichi Tsuzuki , Hisashi Harada
发明人： Shigeyoshi Kato , Shuichi Tsuzuki , Hisashi Harada
IPC分类号： B22C9/10
CPC分类号： B22C9/10 , B22C7/06 , B22C13/08 , B22C15/24 , B22C19/04
摘要： The core sand filling device includes the core box, a blow head which is placed below the core box so as to move up and down in a relative manner to the core box and divided into a sand blowing chamber and a sand storage chamber that are communicatively connected to each other, a compressed air supply unit which is communicatively connected to the sand storage chamber and supplies compressed air into the sand storage chamber, an aeration air supply unit which is communicatively connected to the sand blowing chamber and supplies into the sand blowing chamber aeration air for suspending and fluidizing core sand inside the sand blowing chamber, and an exhaust valve which is communicatively connected to the sand blowing chamber and exhausts compressed air remaining in the sand blowing chamber.
摘要翻译：芯砂填充装置包括芯盒，吹塑头放置在芯盒下方以相对于芯盒上下移动并分为通风式的砂喷室和砂存储室彼此连接的压缩空气供应单元，其连通地连接到砂存储室并将压缩空气供应到砂储存室;通气空气供应单元，其连通地连接到砂喷室并供应到吹砂室用于使砂砂在砂室内悬浮和流化的曝气空气，以及排气阀，其连通地连接到砂吹室并排出残留在吹砂室中的压缩空气。

10. 发明授权

US08658991B2 Particle beam irradiation apparatus utilized in medical field 有权
标题翻译：用于医疗领域的粒子束照射装置
公开(公告)号：US08658991B2
公开(公告)日：2014-02-25
申请号：US13003688
申请日：2009-06-03
申请人： Yuehu Pu , Katsuhisa Yoshida , Yuichi Yamamoto , Hidenobu Sakamoto , Taizo Honda , Hisashi Harada , Takaaki Iwata
发明人： Yuehu Pu , Katsuhisa Yoshida , Yuichi Yamamoto , Hidenobu Sakamoto , Taizo Honda , Hisashi Harada , Takaaki Iwata
IPC分类号： A61N5/00
CPC分类号： A61N5/10 , A61N5/1043 , A61N2005/1087
摘要： In order to obtain a particle beam irradiation apparatus that enlarges the dose distribution of beam spots while suppressing a decrease of the maximum available range of a charged particle beam, the particle beam irradiation apparatus includes a particle beam acceleration means; particle beam transport means; scanning apparatus that includes first scanning means and second scanning means, and two-dimensionally scans the beam; and irradiation control means that controls the scanning apparatus so as to irradiate the beam onto a target region including a plurality of small regions. The irradiation control means controls the first scanning means so as to scan the beam over a small region serving as an irradiation subject among the plurality of the small regions, and controls the second scanning means so as to change the small region serving as the irradiation subject to be a different small region among the plurality of the small regions.
摘要翻译：为了获得粒子束照射装置，其粒子束照射装置包括粒子束加速装置，粒子束照射装置在抑制带电粒子束的最大可用范围的减小的同时，扩大束斑的剂量分布，粒子束传送装置; 扫描装置，其包括第一扫描装置和第二扫描装置，并二维地扫描光束; 以及照射控制装置，其控制扫描装置以将束照射到包括多个小区域的目标区域上。照射控制装置控制第一扫描装置，以便在多个小区域中的用作照射对象的小区域上扫描光束，并且控制第二扫描装置以改变用作照射对象的小区域成为多个小区域中的不同小区域。

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