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81. 发明专利

JP2009180307A Self-aligning roller bearing 有权
标题翻译：自调心滚子轴承
公开(公告)号：JP2009180307A
公开(公告)日：2009-08-13
申请号：JP2008020427
申请日：2008-01-31
申请人： Jtekt Corp , 株式会社ジェイテクト
发明人： KURASHITA GIICHI
IPC分类号： F16C33/48 , F16C19/38 , F16C23/08 , F16C33/49
CPC分类号： F16C33/48 , F16C19/38 , F16C23/086 , F16C33/494
摘要： PROBLEM TO BE SOLVED: To provide a self-aligning roller bearing, in which a permissible aligning angle can be further increased. SOLUTION: The self-aligning roller bearing includes an outer ring 2, an inner ring 3, a plurality of convex surface rollers 4 and a metallic retainer 5. The outer ring 2 has on its inner periphery a raceway surface 2a composed of part of a spherical surface. The inner ring 3 has on its outer periphery two raceway surfaces 3a and a cylindrical surface 3b formed therebetween. The two raceway surfaces 3a are formed symmetrically with respect to a cross section passing the axial center and vertical to the axis line and each of the raceway surfaces 3a has a radius the same as that of part of the spherical surface in the cross section containing the axis line. The convex surface rollers 4 are disposed between the raceway surface 2a of the outer ring 2 and the two raceway surfaces 3a of the inner ring 3 and each roller has an outer peripheral surface corresponding to the raceway surfaces 2a, 3a of the inner and outer rings 2, 3. The retainer 5 has pockets 6 for circumferentially locating the convex surface rollers 4 at certain intervals. The maximum diameter D2 of the retainer 5 is larger than the inner diameter D1 at the end face 2b of the outer ring 2. The retainer 5 is circumferentially split at two positions. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供可以进一步增加允许的对准角的自动调心滚子轴承。解决方案：自调心滚子轴承包括外圈2，内圈3，多个凸面辊4和金属保持器5.外圈2在其内周上具有由部分球面。内圈3的外周具有两个轨道面3a和形成在其间的圆筒面3b。两个滚道面3a相对于通过轴线中心并且垂直于轴线的横截面对称地形成，并且每个滚道表面3a的截面中的球形表面的一部分的半径与包含轴线。凸面辊4设置在外圈2的滚道面2a和内圈3的两个滚道面3a之间，并且每个滚子具有对应于内圈和外圈的滚道表面2a，3a的外周面保持器5具有用于以一定间隔周向地定位凸面辊4的凹部6。保持器5的最大直径D2大于外圈2的端面2b处的内径D1。保持器5在两个位置周向地分开。版权所有（C）2009，JPO＆INPIT

82. 发明专利

JP2009168108A Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：JP2009168108A
公开(公告)日：2009-07-30
申请号：JP2008005783
申请日：2008-01-15
申请人： Nsk Ltd , 日本精工株式会社
发明人： KATSUNO YOSHIAKI
IPC分类号： F16C33/41 , F16C19/18 , F16C19/28 , F16C33/44 , F16C33/49 , F16C33/56 , F16C33/66 , F16C33/76
CPC分类号： F16C33/416 , F16C19/163 , F16C19/543 , F16C19/56 , F16C33/3856 , F16C33/495 , F16C33/7846
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing capable of suppressing small a swinging rotation of a rotary shaft with its center of gravity deflected, by suppressing unequal distribution of rolling elements in the circumferential direction. SOLUTION: The rolling bearing 10 is equipped with an inner ring 11 having an inner ring raceway surface 11a at the peripheral surface, an outer ring 12 having an outer ring raceway surface 12a at its inside circumferential surface, a plurality of rolling elements 13 installed between the two raceway surfaces 11a and 12a in such a way as able to roll freely, and a retainer 15 made of synthetic resin and furnished with a cut 14 in at least one place in the circumferential direction for retaining the rolling elements 13 at constant intervals in the circumferential direction. The retainer 15 is formed so that the width ΔL of the cut 14 in the circumferential direction is approximately the same as the elongation of the retainer 15 with a prescribed temperature change in the condition that water is absorbed to the equilibrium rate of water content. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过抑制滚动元件在圆周方向上的不均匀分布，提供能够通过其重心偏转来抑制旋转轴的摆动旋转的滚动轴承。解决方案：滚动轴承10配备有在内周表面具有内圈滚道表面11a的内圈11，在其内周面具有外圈滚道表面12a的外圈12，多个滚动元件 13以可自由滚动的方式安装在两个滚道表面11a和12a之间，以及由合成树脂制成的保持器15，并且在圆周方向上的至少一个位置处设置有切割14，用于将滚动元件13保持在周向恒定间隔。保持器15形成为使得在水被吸收到水含量的平衡速率的条件下，切口14在圆周方向上的宽度ΔL与保持器15的伸长率大致相同，具有规定的温度变化。版权所有（C）2009，JPO＆INPIT

83. 发明专利

JP2009092084A Tapered roller bearing 审中-公开
标题翻译：圆锥滚子轴承
公开(公告)号：JP2009092084A
公开(公告)日：2009-04-30
申请号：JP2007260182
申请日：2007-10-03
申请人： Nsk Ltd , 日本精工株式会社
发明人： URAGAMI MASATAKE
IPC分类号： F16C33/49 , F16C19/36 , F16C33/66
CPC分类号： F16C33/46 , F16C19/364 , F16C2361/61
摘要： PROBLEM TO BE SOLVED: To provide a tapered roller bearing capable of eliminating various inconvenience caused by residence of lubricating oil by restraining occurrence of residence of the lubricating oil in the bearing. SOLUTION: A holder 31 of the tapered roller bearing 21 is constituted so that a plurality of columnar parts 35 to partition a plurality of pockets 33 to store rolling elements 29 are connected to and integrated with one another by an annulus ring type rim part 37 only on the side of a small collar 23a of an inner ring 23. Both ends in the circumferential direction of an end part on the side of a large collar 23b of the inner ring 23 of each of the columnar part 35 are formed in a roughly T letter shape furnished with a pair of roller presser bars 41a, 41b confronting an end surface 29a on the large collar side of the rolling elements 29. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种圆锥滚子轴承，其能够通过抑制润滑油在轴承中的停留而消除由于润滑油的停留引起的各种不便。解决方案：圆锥滚子轴承21的保持器31构成为使多个用于分隔多个凹部33以存储滚动元件29的柱状部件35通过环形环形边缘彼此连接并一体化部分37仅在内环23的小环23a的侧面上。每个柱状部分35的内环23的大领圈23b的端部的圆周方向上的两端形成为大致T字形，配有一对面对滚动元件29的大领领侧的端面29a的辊压杆41a，41b。版权所有（C）2009，JPO＆INPIT

84. 发明专利

JP2009014187A Tapered roller bearing 审中-公开
标题翻译：圆锥滚子轴承
公开(公告)号：JP2009014187A
公开(公告)日：2009-01-22
申请号：JP2007180062
申请日：2007-07-09
申请人： Nsk Ltd , 日本精工株式会社
发明人： SAITO TOMOHARU
IPC分类号： F16C33/49 , F16C19/36
CPC分类号： F16C19/364 , F16C33/46 , F16C33/49 , F16C33/498 , F16C33/543
摘要： PROBLEM TO BE SOLVED: To provide a tapered roller bearing having reduced rotating torque while preventing the disassembly of an inner ring, rollers and a cage and reducing the stirring resistance of lubricating oil flowing into the bearing.
SOLUTION: The tapered roller bearing 10 comprises an outer ring 11 having an outer ring raceway surface 11a on the inner peripheral face, the inner ring 12 having an inner ring raceway surface 12a on the outer peripheral face, the plurality of tapered rollers 13 rollingly arranged between the outer ring raceway surface 11a and the inner ring raceway surface 12a, and the comb-like cage 14 for holding the tapered rollers 13 at circumferentially equal spaces. The comb-like cage 14 has an annular portion 15 arranged on the small diameter side of the outer ring 11, and a plurality of column portions 16 provided on the axial end face of the annular portion 15 at approximately circumferentially equal spaces. On at least one of the plurality of column portions 16, an engaging portion 18 is provided for engaging with the tapered roller 13.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有降低的转矩的圆锥滚子轴承，同时防止内圈，滚子和保持架的拆卸，并降低流入轴承的润滑油的搅拌阻力。解决方案：圆锥滚子轴承10包括在内周面上具有外圈滚道表面11a的外圈11，内圈12在外周面上具有内圈滚道表面12a，多个圆锥滚子滚动地布置在外圈滚道表面11a和内圈滚道表面12a之间的梳状保持器14，用于将圆锥滚子13保持在周向相等的空间。梳状保持架14具有布置在外圈11的小直径侧上的环形部分15和在大致周向相等的空间处设置在环形部分15的轴向端面上的多个柱部分16。在多个柱部16中的至少一个柱部16中设置有用于与圆锥滚子13接合的接合部18.版权所有（C）2009，JPO＆INPIT

85. 发明专利

JP2009002377A Tapered roller bearing 审中-公开
标题翻译：圆锥滚子轴承
公开(公告)号：JP2009002377A
公开(公告)日：2009-01-08
申请号：JP2007161362
申请日：2007-06-19
申请人： Nsk Ltd , 日本精工株式会社
发明人： TAKAHASHI KOJI
IPC分类号： F16C33/49 , F16C33/54
摘要： PROBLEM TO BE SOLVED: To provide a tapered roller bearing, in which stirring resistance of lubricant is reduced and integrity of a roller, a cage, and an inner ring is maintained.
SOLUTION: In the tapered roller bearing 10, a plurality of tapered rollers 18 disposed between the inner ring 14 and an outer ring 12 are retained in a comb-shaped cage 16 having a circular ring part 20 on a small diameter side of a conical shape. In the cage 16, a bent part 24 is formed by directing a small diameter side end part to the radially inside of the bearing. An annular projection part 28 is formed to an outer peripheral face of a small diameter side collar part of the inner ring, for restricting a position of an axially outside of the bent part 24 of the cage 16.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种减小润滑剂的搅拌阻力并保持辊，保持架和内圈的完整性的圆锥滚子轴承。解决方案：在圆锥滚子轴承10中，设置在内圈14和外圈12之间的多个圆锥滚子18保持在具有圆形环部20的梳形保持器16中，该圆形的保持架16在小直径侧的圆锥形。在保持架16中，通过将小直径侧端部引导到轴承的径向内侧而形成弯曲部24。环形突起部分28形成在内环的小直径侧环部分的外周面上，用于限制保持架16的弯曲部分24的轴向外侧的位置。（C） 2009年，JPO＆INPIT

86. 发明专利

JP2008240766A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2008240766A
公开(公告)日：2008-10-09
申请号：JP2007078174
申请日：2007-03-26
申请人： Ntn Corp , Ntn株式会社
发明人： OCHIAI YURIE
IPC分类号： F16C33/49 , F16C19/28 , F16C33/56
CPC分类号： F16C33/48 , F16C19/28 , F16C33/494
摘要： PROBLEM TO BE SOLVED: To easily insert a roller, to suppress vibration of the roller in rotation, and to stably rotate the roller. SOLUTION: The rolling bearing comprises an outer ring 11, an inner ring 14, the roller 13 and a comb tooth-like retainer 12. The outer ring 11 has flanges 11a on both sides, and the comb tooth-like retainer 12 is constituted by a cylindrical annular part 12a and pillar-like parts 12b, 12c provided at both sides of the annular part 12a with a predetermined interval respectively. At least two rollers 13 are arranged in series in a pocket part between the pillar-like parts 12b, 12c adjacent to the pillar-like parts 12b, 12c, and a support part for supporting the roller 13 in the pocket part is formed on a side surface of the pillar-like part 12b. Further, a shape capable of inserting the roller 13 from a radial direction of the comb tooth-like retainer 12 is formed on a distal end 12e of the pillar-like part 12c, and a support part for supporting the roller 13 in the pocket part is formed on a side surface of the portion other than the distal end 12e of the pillar-like part 12c. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了容易地插入辊，以抑制辊旋转的振动，并且稳定地旋转辊。解决方案：滚动轴承包括外圈11，内圈14，辊13和梳齿状保持器12.外圈11在两侧具有凸缘11a，并且梳齿状保持件12 由圆筒状的环状部12a和分别设置在环状部12a的两侧的柱状部12b，12c构成。至少两个辊13串联布置在与柱状部分12b，12c相邻的柱状部分12b，12c之间的凹部中，并且用于将辊13支撑在袋部中的支撑部分形成在柱状部12b的侧面。此外，在柱状部12c的前端部12e上形成有能够从梳齿状保持架12的径向插入辊13的形状，并且将支承部13支承在袋状部形成在除了柱状部12c的远端12e以外的部分的侧面上。版权所有（C）2009，JPO＆INPIT

87. 发明专利

JP2008169856A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2008169856A
公开(公告)日：2008-07-24
申请号：JP2007000998
申请日：2007-01-09
申请人： Nsk Ltd , 日本精工株式会社
发明人： KURACHI TAKAHITO
IPC分类号： F16C33/66 , F16C33/41 , F16C33/49 , F16C33/78
CPC分类号： F16C33/414 , F16C19/06 , F16C33/66 , F16C33/7816 , F16C33/7856
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing having a longer bearing life while maintaining constant lubricating performance over a long period by improving the fluidity of lubricant filled in the bearing. SOLUTION: The rolling bearing comprises: an inner ring 2 and an outer ring 4 arranged opposing each other in a relatively rotatable manner; a plurality of rolling elements 6 rollingly incorporated between the inner and outer rings; a cage 8 having a plurality of pockets 8p for rotatably holding the rolling elements one by one; and an annular sealing plate 10 for sealing the inside of the bearing sectioned between the inner and outer rings from the outside of the bearing. On one side of the cage, an opening 8h is formed through which the rolling elements are inserted one by one into the pockets. A deposition preventing mechanism 12 is provided for preventing the deposition of the lubricant filled in the bearing on the sealing plate opposed to the opening sides of the pockets. The deposition preventing mechanism has a lubricant keep-away portion 12p inclined into a tapered shape as tending from the sealing plate toward the inside of the bearing. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有较长轴承寿命的滚动轴承，同时通过改善填充在轴承中的润滑剂的流动性，同时保持恒定的润滑性能。解决方案：滚动轴承包括：以相对可旋转的方式彼此相对布置的内圈2和外圈4; 多个滚动体6滚动地结合在内圈和外圈之间; 具有多个用于一个接一个地旋转地保持滚动元件的袋8p的保持架8; 以及环形密封板10，用于从轴承的外部密封在内圈和外圈之间分隔的轴承的内部。在保持架的一侧，形成开口8h，滚动元件通过该开口一个接一个地插入到口袋中。提供防沉积机构12，用于防止填充在轴承中的润滑剂沉积在与口袋的开口侧相对的密封板上。防沉积机构具有从密封板朝向轴承内侧倾斜成锥形的润滑剂保持部12p。版权所有（C）2008，JPO＆INPIT

88. 发明专利

JP2008064248A Rolling bearing cage, rolling bearing, and spindle supporting structure for wind power generator 审中-公开
标题翻译：风力发电机的滚动轴承，滚动轴承和主轴支撑结构
公开(公告)号：JP2008064248A
公开(公告)日：2008-03-21
申请号：JP2006244400
申请日：2006-09-08
申请人： Ntn Corp , Ntn株式会社
发明人： HIRASAWA YOSHIMITSU
IPC分类号： F16C33/37 , F03D11/00 , F16C19/38 , F16C33/46 , F16C33/49
CPC分类号： F16C33/513 , F16C19/386 , F16C33/3706 , F16C2240/84 , F16C2300/14 , F16C2360/31 , Y02E10/722
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing cage capable of storing a greater number of rolling elements.
SOLUTION: The rolling bearing cage 11 has first columnar portions 12 located outside the pitch circles of adjacent rolling elements, second columnar portions 13 located inside the pitch circles of the adjacent rolling elements, and connection portions 14 connecting the first columnar portions 12 and the second columnar portions 13 to each other at positions of deviating from the revolution raceway of the rolling elements. Between the first columnar portion 12 and the second columnar portion 13, through-holes 15 are provided for receiving the rolling elements. The rolling bearing cage 11 is arranged between the adjacent rolling elements.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够存储更多数量的滚动元件的滚动轴承保持架。解决方案：滚动轴承保持架11具有位于相邻的滚动元件的节圆之外的第一柱状部分12，位于相邻滚动元件的节圆内的第二柱状部分13和连接第一柱状部分12的连接部分14 第二柱状部13相对于滚动体的回转轨道偏离的位置。在第一柱状部分12和第二柱状部分13之间设置有用于接收滚动元件的通孔15。滚动轴承保持架11布置在相邻的滚动元件之间。版权所有（C）2008，JPO＆INPIT

89. 发明专利

JP2008008370A Cylindrical roller bearing cage 审中-公开
标题翻译：圆柱滚子轴承笼
公开(公告)号：JP2008008370A
公开(公告)日：2008-01-17
申请号：JP2006178361
申请日：2006-06-28
申请人： Ntn Corp , Ntn株式会社
发明人： ADACHI TAKAHISA
IPC分类号： F16C33/49 , F16C19/28 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide a resin cage for suppressing the degradation of lubricating performance or an increase of wear resulting from insufficient strength.
SOLUTION: The resin cage 1 comprises an annular portion 2 in an annular shape, a plurality of columnar portions 3 protruded axially from the inner end face 2a of the annular portion 2 and equally arranged, a lubricant holding groove 5 formed on the outer end face 2b of the annular portion 2, and pockets formed between the adjacent columnar portions 3 for slidably holding cylindrical rollers 6. The lubricant holding groove 5 is formed in an region excluding a weld portion 7 as the track of a molten resin combined portion during molding.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于抑制润滑性能劣化或由强度不足引起的磨损增加的树脂保持架。解决方案：树脂保持架1包括环形的环形部分2，从环形部分2的内端面2a轴向突出的多个柱状部分3，并且均匀地布置有形成在环形部分2上的润滑剂保持槽5 环形部分2的外端面2b和形成在相邻柱状部分3之间的凹槽，用于可滑动地保持圆柱滚子6.润滑剂保持槽5形成在熔融树脂组合部分的轨道之外的除焊接部分7之外的区域中在成型期间。版权所有（C）2008，JPO＆INPIT

90. 发明专利

JP2007332996A Double row roller bearing 审中-公开
标题翻译：双列滚子轴承
公开(公告)号：JP2007332996A
公开(公告)日：2007-12-27
申请号：JP2006162412
申请日：2006-06-12
申请人： Nsk Ltd , 日本精工株式会社
发明人： YAMAMOTO TAKASHI
IPC分类号： F16C33/66 , F16C19/38 , F16C23/08 , F16C33/48 , F16C33/49
CPC分类号： F16C33/48 , F16C19/38 , F16C23/086 , F16C33/494 , F16C33/66
摘要： PROBLEM TO BE SOLVED: To provide a double row roller bearing which sufficiently shows lubricity of the roller end face side abutting surface of a pocket of a retainer. SOLUTION: In this double row roller bearing 10 wherein two roller rows positioned between inner and outer rings 1, 2 are retained by a machined cage 4, an oil retaining groove 7 for holding a lubricating oil is provided on the roller end face side abutting surface 4d of the pocket 4c of the machined cage 4. Hereby, even if a great centrifugal force is applied to the cage 4 or the like by high speed rotation, the lubricating oil accumulated in the oil retaining groove 7 is prevented from being scattered to the outward in the radial direction into the empty state, to thereby maintain lubricity of the roller end face side abutting surface 4d excellently for a long period. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供充分显示保持器的凹部的辊端面侧抵接面的润滑性的双列滚子轴承。解决方案：在这种双列滚子轴承10中，其中两个滚子排位于内圈和外圈1,2之间，被加工的保持架4保持，用于保持润滑油的储油槽7设置在辊端面上因此，即使通过高速旋转对保持架4等施加大的离心力，也能够防止积存在保油槽7内的润滑油成为在径向向外散布到空状态，从而保持辊端面侧抵接面4d的润滑性很好。版权所有（C）2008，JPO＆INPIT

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