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1. 发明专利

JP2007078091A Roller bearing and connecting rod supporting structure 审中-公开
标题翻译：滚动轴承和连接支撑结构
公开(公告)号：JP2007078091A
公开(公告)日：2007-03-29
申请号：JP2005267537
申请日：2005-09-14
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C33/66 , F16C9/04 , F16C19/44 , F16C33/58
CPC分类号： F16C33/588 , F16C19/466
摘要： PROBLEM TO BE SOLVED: To provide a roller bearing having improved lubricating performance while maintaining smooth rotation of rollers. SOLUTION: The needle roller bearing 31 comprises an annular bearing ring 32, the plurality of needle rollers 33 arranged along the inner diameter face of the bearing ring 32, and a cage 34 having pockets for storing the needle rollers 33. The bearing ring 32 has a center region 32a on the inner diameter face for contacting the needle rollers 33 during the rotation of the bearing and end regions 32b on both sides across the center region 32a. In the end regions 32b on both sides, a plurality of through-holes are provided passing therethrough in the radial direction. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改善的润滑性能的滚子轴承，同时保持辊的平稳旋转。解决方案：滚针轴承31包括环形轴承圈32，沿着轴承圈32的内径面布置的多个滚针33和具有用于存放滚针33的凹部的保持架34。环32具有在内径面上的中心区域32a，用于在轴承旋转期间与滚针33接触，并且在两侧的端部区域32b跨过中心区域32a。在两侧的端部区域32b中，沿径向穿过其中的多个通孔设置。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007024118A Engine piston pin support structure, engine crankshaft support structure, and two-cycle engine 审中-公开
标题翻译：发动机活塞杆支撑结构，发动机起重机支撑结构和双周期发动机
公开(公告)号：JP2007024118A
公开(公告)日：2007-02-01
申请号：JP2005204631
申请日：2005-07-13
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI , OOKA SHINYA
IPC分类号： F16C33/54 , F16C9/02
CPC分类号： F16C33/546 , F16C9/04 , F16C19/466
摘要： PROBLEM TO BE SOLVED: To provide an engine piston pin support structure and engine crankshaft support structure capable of preventing a roller from skewing and improving a seizure-resistant property. SOLUTION: The engine piston pin support structure has a piston pin for connecting a connecting rod and piston, which converts linear reciprocating motion into rotary motion, and a roller bearing for supporting the piston pin. The engine crankshaft support structure comprises a crankshaft connected with the large end section of the connecting rod and outputting the rotary motion and the roller bearing for supporting the crankshaft. A retainer of the roller bearing is formed in a pocket-punching process following a V-shape forming process. A form measuring line 32 at a part of a shear plane included in a side wall face corresponding to a folding part of a pillar section does not have a local uneven section, and the shear plane positioned at the center of the side wall surface is flat along an external contour line 31 of a needle roller. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种发动机活塞销支撑结构和发动机曲轴支撑结构，其能够防止辊偏斜并提高抗咬合性能。
解决方案：发动机活塞销支撑结构具有用于连接连杆和活塞的活塞销，其将线性往复运动转换成旋转运动，以及用于支撑活塞销的滚子轴承。发动机曲轴支撑结构包括与连杆的大端部连接并输出旋转运动的曲轴和用于支撑曲轴的滚子轴承。滚子轴承的保持器在V形成形工艺之后的凹凸工艺中形成。包括在与柱部分的折叠部分相对应的侧壁面中的剪切平面的一部分处的形状测量线32不具有局部不平坦部分，并且位于侧壁表面中心的剪切平面是平坦的沿着滚针的外部轮廓线31。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2008101690A Crankshaft and general purpose engine 审中-公开
标题翻译：起重机和一般用途发动机
公开(公告)号：JP2008101690A
公开(公告)日：2008-05-01
申请号：JP2006284613
申请日：2006-10-19
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C3/14 , F16C3/10
摘要： PROBLEM TO BE SOLVED: To provide a crankshaft reduced in the risk of breakage.
SOLUTION: The crankshaft is provided with a crank pin, a shell type roller bearing, a crank web 15a connected to the end of the crank pin. The crank web 15a includes a connecting part 23 having a press-fit hole 22a in which the crank pin is press-fitted, a balance weight 25 for smoothly rotating the crankshaft, and a journal 26 extending in an axial direction. A depressed part depressed in an axial direction is formed on the width surface 27a of the connecting part 23 facing the width surface of a shell type outer ring. The depressed part includes an oil pocket 28 keeping lubricating oil and oil grooves 29a-29d ranging in groove shapes.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种减少了断裂风险的曲轴。解决方案：曲轴设置有曲柄销，壳型滚子轴承，连接到曲柄销端部的曲柄腹板15a。曲柄腹板15a包括具有压配合孔22a的连接部23，曲柄销被压入其中，用于平滑地旋转曲轴的平衡块25和沿轴向延伸的轴颈26。在连接部23的与壳型外圈的宽度面相对的宽度面27a上形成有沿轴向凹陷的凹部。凹部包括保持凹槽形状的润滑油和油槽29a-29d的油袋28。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2008101652A Shell type roller bearing for general purpose engine, piston pin support structure, and general purpose engine 审中-公开
标题翻译：一般用途发动机壳体类型滚子轴承，活塞杆支撑结构和一般用途发动机
公开(公告)号：JP2008101652A
公开(公告)日：2008-05-01
申请号：JP2006282808
申请日：2006-10-17
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C33/66 , F16C9/04 , F16C19/46 , F16C33/58
摘要： PROBLEM TO BE SOLVED: To provide a shell type roller bearing for a general purpose engine reduced in the risk of breakage.
SOLUTION: The shell type roller bearing 31a for the multi purpose engine is provided with a shell type outer ring including a flange extending in a radial direction inward, and a plurality of rollers. A depressed part depressed in an axial direction is formed at least on one width surface 36b of the flange. The depressed part includes an oil pocket 37 keeping lubricating oil and oil grooves 38a-38d ranging in groove shapes. Consequently, supplied lubricating oil can be retained by the oil pocket 37 and the oil grooves 38a-38d. Then, a lubricating property of the width surface 36b is improved and wear resistance can be improved. As a result, a risk of the breakage of the shell type roller bearing for the general purpose engine can be reduced.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于通用发动机的壳型滚子轴承，减少了断裂的风险。解决方案：用于多功能发动机的壳型滚动轴承31a设置有壳体型外圈，其包括沿径向向内延伸的凸缘和多个辊。在凸缘的至少一个宽度表面36b上形成有沿轴向凹陷的凹陷部分。凹部包括保持凹槽形状的润滑油和油槽38a-38d的油槽37。因此，供给的润滑油能够被油袋37和油槽38a〜38d保持。然后，改善宽度表面36b的润滑性，并且可以提高耐磨性。结果，可以降低用于通用发动机的壳型滚子轴承的破损的风险。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007232111A Connecting rod assembly and method of manufacturing connecting rod assembly 审中-公开
标题翻译：连接组件和制造连接组件的方法
公开(公告)号：JP2007232111A
公开(公告)日：2007-09-13
申请号：JP2006055462
申请日：2006-03-01
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C7/08
摘要： PROBLEM TO BE SOLVED: To provide a connecting rod assembly, manufactured inexpensively.
SOLUTION: This connecting rod assembly 11 includes: a stacked connecting rod 12 formed by stacking a plurality of plate-like divided connecting rod parts 13a to 13d; and bearing rings 21a, 21b pressed in the large end part 14 and the small end part 15 of the stacked connecting rod 12. Both edge parts 23, 24 of the bearing rings 21a, 21b are bent outward in the radial direction to abut on the end panels 19, 20 of the divided connecting rod parts 13a, 13d disposed outermost among the stacked divided connecting rod parts 13a to 13d, respectively.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供廉价制造的连杆组件。解决方案：该连杆组件11包括：通过堆叠多个板状分割连杆部分13a至13d而形成的层叠连杆12; 以及按压在堆叠的连接杆12的大端部14和小端部15中的轴承环21a，21b。轴承环21a，21b的两个边缘部分23,24沿径向向外弯曲以抵靠在分隔的连杆部分13a，13d的端板19,20分别设置在层叠的分隔的连接杆部分13a至13d中的最外侧。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007205493A Laminated connecting rod assembly 审中-公开
标题翻译：层压连接杆组件
公开(公告)号：JP2007205493A
公开(公告)日：2007-08-16
申请号：JP2006026000
申请日：2006-02-02
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C7/08 , F16C7/02
摘要： PROBLEM TO BE SOLVED: To provide a laminated connecting rod assembly with improved oil feeding performance of a bearing while maintaining the advantage that the laminated connecting rod assembly can be manufactured at a low cost and with reduced machining man-hours.
SOLUTION: This laminated connecting rod assembly A comprises a laminated connecting rod 1, and a roller bearing 4 press-fitted into bearing fitting holes 5, 6 provided to a large end 2 and a small end 3 of the laminated connecting rod 1. The laminated connecting rod 1 is composed of plate-like divided connecting rod components 1A to 1D each having a large end part 1a, a small end part 1b, and a rod part 1c, and has a shell outer ring 41, a plurality of rollers 42, and a cage 43 for holding the plurality of rollers 42. A through-hole 41d for feeding oil is provided at a location projected further than a width face of the laminated connecting rod 1 in the shell outer ring 41.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改善的轴承供油性能的层压连杆组件，同时保持了可以以低成本制造层压连杆组件并减少加工工时的优点。解决方案：该层叠连杆组件A包括层压连杆1和压配合到设置到层叠连杆1的大端部2和小端部3的轴承装配孔5,6中的滚子轴承4 层叠连杆1由具有大端部1a，小端部1b和杆部1c的板状分割连接杆部件1A〜1D构成，具有外壳外圈41，多个辊42以及用于保持多个辊42的保持架43.用于供给油的通孔41d设置在壳体外圈41中比层压连杆1的宽度面更远的位置。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007198557A Connecting rod assembly and general-purpose engine 审中-公开
标题翻译：连接组件和通用发动机
公开(公告)号：JP2007198557A
公开(公告)日：2007-08-09
申请号：JP2006020426
申请日：2006-01-30
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C9/04 , F16C19/26 , F16C33/58 , F16C33/66 , F16C35/067
摘要： PROBLEM TO BE SOLVED: To provide a connecting rod assembly realizing a long service life.
SOLUTION: The connecting rod assembly 21 is provided with a connecting rod 11 including a small end connecting piston pins and a large end 12 connecting crankshafts, and converting linear reciprocation of pistons into turning motion of the crankshafts, and a shell type rolling bearing 22a including a shell outer ring 23a and a plurality of rollers 24, and pressed in the small end or the large end 12. First through holes 26a, 26b penetrating in a radial direction are provided in the shell outer ring 23a, and second through holes 18a, 18b penetrating in a radial direction are provided in the large end 12 of the connecting rod 11 pressed in with the shell type roller bearing 22a. Circumferential and axial positions of the first through holes 26a, 26b and the second through holes 18a, 18b are the same.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种实现长使用寿命的连杆组件。解决方案：连杆组件21设置有连杆11，连杆11包括小端连接活塞销和连接曲轴的大端12，并且将活塞的线性往复运动转换为曲轴的转动运动，壳型滚动轴承22a，其包括外壳外圈23a和多个辊24，并且被压入小端或大端12.在壳外圈23a中设置有沿径向穿透的第一通孔26a，26b，第二通孔在与壳型滚子轴承22a压入的连杆11的大端部12上设置有沿径向贯通的孔18a，18b。第一通孔26a，26b和第二通孔18a，18b的周向和轴向位置相同。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007078090A Needle roller bearing 审中-公开
标题翻译：针式滚子轴承
公开(公告)号：JP2007078090A
公开(公告)日：2007-03-29
申请号：JP2005267536
申请日：2005-09-14
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C33/66 , F16C19/46 , F16C33/46
CPC分类号： F16C33/425 , F16C19/463 , F16C33/6681
摘要： PROBLEM TO BE SOLVED: To provide a needle roller bearing having improved lubricating performance without lowering the strength of a cage.
SOLUTION: The needle roller bearing 41 comprises a plurality of needle rollers 42, and the cage 43 having a ring portion 43a, a plurality of columnar portions (not illustrated) protruded from the end face of the ring portion 43a, and pockets 43c provided between the adjacent columnar portions for storing the plurality of needle rollers 42. The cage 43 has cutout portions 43d passing therethrough in the axial direction, provided on the radial outside of the ring portion 43a corresponding to the pockets 43c.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有改善的润滑性能的滚针轴承，而不降低保持架的强度。滚针轴承41包括多个滚针42，并且具有环部43a的保持架43，从环部43a的端面突出的多个柱状部（未示出）和凹部 43c设置在相邻的柱状部分之间，用于存放多个针辊42.保持架43具有设置在与凹穴43c相对应的环形部分43a的径向外侧上的沿轴向穿过的切口部分43d。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007024117A Support structure for engine piston pin, support structure for engine crankshaft, and two-cycle engine 审中-公开
标题翻译：发动机活塞杆支撑结构，发动机起重机支撑结构和双周期发动机
公开(公告)号：JP2007024117A
公开(公告)日：2007-02-01
申请号：JP2005204630
申请日：2005-07-13
申请人： Ntn Corp , Ntn株式会社
发明人： ICHIKAWA KENICHI , OOKA SHINYA
IPC分类号： F16C33/54 , F16C9/02
摘要： PROBLEM TO BE SOLVED: To provide a support structure for an engine piston pin and a support structure for an engine crankshaft capable of preventing a roller from skewing and improving a seizure-resistant property.
SOLUTION: The support structure for an engine piston pin has the piston pin for connecting a connecting rod and piston which converts linear reciprocating movements into rotary movements, and a roller bearing disposed at a small end section of the connecting rod and for supporting the piston pin. The support structure for an engine crankshaft comprises the crankshaft connected with the large end section of the connecting rod and outputting rotary motion and the roller bearing for supporting the crankshaft. Pillar sections 22 of a retainer included in the roller bearing is bent in a sectioned V-shape at an internal diameter surface 28 side. On a PCD 26, a shear plane 23 at an external diameter surface 27 side is positioned at the center of a side wall surface 25, and a fracture surface 24 at the internal diameter surface 28 side is positioned on an end section of the side wall surface 25.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于发动机活塞销和用于发动机曲轴的支撑结构的支撑结构，该发动机曲轴能够防止辊偏斜并提高抗咬合性能。解决方案：发动机活塞销的支撑结构具有用于连接连杆和活塞的活塞销，其将线性往复运动转换成旋转运动，以及布置在连杆的小端部处的用于支撑的滚子轴承活塞销。用于发动机曲轴的支撑结构包括与连杆的大端部连接并输出旋转运动的曲轴和用于支撑曲轴的滚子轴承。包括在滚子轴承中的保持器的支柱部分22在内径表面28侧以分段V形弯曲。在PCD26上，外径面27侧的剪切面23位于侧壁面25的中央，内径面28侧的断面24位于侧壁的端部表面25.版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2007071342A Connecting rod supporting structure 审中-公开
标题翻译：连接支撑结构
公开(公告)号：JP2007071342A
公开(公告)日：2007-03-22
申请号：JP2005260904
申请日：2005-09-08
申请人： Ntn Corp , Ntn株式会社
发明人： OOKA SHINYA
IPC分类号： F16C33/58 , F16C7/02 , F16C9/04 , F16C19/46 , F16C33/66
CPC分类号： F16C33/588 , F16C19/466
摘要： PROBLEM TO BE SOLVED: To provide a highly reliable connecting rod structure using a needle roller bearing having reduced cost and improved lubricating performance. SOLUTION: A connection rod 41 consists of a large end portion 42 and a small end portion 43 having bearings 45, 46 in the cylindrical internals, and a connection bar 44 connecting the large end portion 42 to the small end portion 43. The needle roller bearing supporting the large end portion 42 and the small end portion 43 consists of an annular bearing ring having a raceway surface on the inner diameter face of an axial central portion and a plurality of needle rollers arranged along the raceway surface. COPYRIGHT: (C)2007,JPO&INPIT

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