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1. 发明专利

JP2009162272A Rolling bearing and brushless motor 审中-公开
标题翻译：滚动轴承和无刷电机
公开(公告)号：JP2009162272A
公开(公告)日：2009-07-23
申请号：JP2007340797
申请日：2007-12-28
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO , AOKI MAMORU , YAMAMOTO ATSUHIRO , ISHIWADA HIROSHI
IPC分类号： F16C33/66 , C10M105/58 , C10M105/60 , C10M105/70 , C10N20/00 , C10N30/12 , C10N40/02 , C10N50/10 , F16C19/06 , F16C33/78 , H02K5/16 , H02K5/173
CPC分类号： F16C33/7856 , F16C19/06 , F16C33/583 , F16C33/66 , F16C2380/26
摘要： PROBLEM TO BE SOLVED: To provide a rolling bearing for suppressing the generation of electroerosion while holding conductivity for a long period of time by preventing the deterioration of the conductivity of a seal member, and to provide a brushless motor.
SOLUTION: The rolling bearing includes an outer ring 1 and an inner ring 2, a rolling element 3 mounted therebetween, and the seal member 5 provided on a fixed side bearing ring out of the inner and outer rings for contacting with a seal groove 2b formed at a rotary side bearing ring. The seal member 5 is formed of a conductive material. Ionic fluid grease is applied to or filled in a contact portion between the lip of the seal member 5 and the groove face of the seal groove 2b, or an annular space formed of the groove face of the seal groove and the seal lip.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种滚动轴承，通过防止密封部件的导电性劣化，同时保持长时间的导电性，并且提供无刷电动机，来抑制电腐蚀的产生。解决方案：滚动轴承包括外圈1和内圈2，安装在其间的滚动元件3和密封构件5，该密封构件5设置在内圈和外圈之间的固定侧轴承环上，用于与密封件形成在旋转侧轴承环上的槽2b。密封构件5由导电材料形成。离子液体润滑脂被施加到或填充在密封构件5的唇缘与密封槽2b的槽面之间的接触部分或由密封槽的凹槽面和密封唇形成的环形空间中。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2007113744A Ball bearing and brushless motor 审中-公开
标题翻译：球轴承和无刷电机
公开(公告)号：JP2007113744A
公开(公告)日：2007-05-10
申请号：JP2005307526
申请日：2005-10-21
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO , AOKI MAMORU
IPC分类号： F16C33/78
摘要： PROBLEM TO BE SOLVED: To prevent the degradation of conductivity to maintain conductivity over a long period of time while keeping torque low and preventing the generation of a sealing sound by suppressing electrolytic corrosion in a bearing raceway surface.
SOLUTION: A seal member 20 using a conductive material for a rubber material portion contacts with a seal groove 12 of an inner ring 2 in a position around the outside of a contact surface 22a of a seal lip 22. Consequently, when electricity flows to an outer ring 1, electricity flows to the inner ring 2 through the seal member 20. The contact surface 22a of the seal lip 22 has fine protruding parts 30 of 0.01-0.10 mm by providing a die with a large number of dimple-like recesses by electric discharge machining or the like.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止导电性降低，同时保持转矩低并且通过抑制轴承滚道表面中的电解腐蚀来防止产生密封声，并且长时间保持导电性。解决方案：使用橡胶材料部分的导电材料的密封构件20在密封唇22的接触表面22a的外侧的位置处与内圈2的密封槽12接触。因此，当电流到外圈1，电流通过密封构件20流到内圈2.密封唇22的接触表面22a通过提供具有大量凹坑形状的模具而具有0.01-0.10mm的细小突出部30，通过放电加工等形成凹部。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2012117583A Rolling bearing 审中-公开
标题翻译：滚动轴承
公开(公告)号：JP2012117583A
公开(公告)日：2012-06-21
申请号：JP2010266230
申请日：2010-11-30
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO
IPC分类号： F16C33/78 , F16C19/06
摘要： PROBLEM TO BE SOLVED: To prevent intrusion of a foreign matter such as dust and water into the inside of a rolling bearing, and to effectively eject a foreign matter, intruded to a part short of a seal in the inside of the bearing, to the outside of the bearing.SOLUTION: A plurality of partition parts 7d dividing, in a peripheral direction, a space between a projecting part 7c of a seal lip 7 of a first L-shaped annular member 4 and an inner periphery of a cylindrical part 4a of the first L-shaped annular member 4 are formed. Movement in the peripheral direction of a foreign matter invading the space divided by the plurality of partition parts 7d is limited by the partition parts 7d and the foreign matter is ejected to the external part of the bearing by centrifugal force generated by rotation of an outer ring 2.
摘要翻译：要解决的问题：为了防止诸如灰尘和水的异物侵入滚动轴承的内部，并且有效地喷射异物，侵入到轴承内部的密封件的一部分，到轴承的外面。解决方案：沿圆周方向分隔第一L形环形构件4的密封唇7的突出部分7c与第一L形环形构件4的圆柱形部分4a的内周之间的空间的多个分隔部分7d 形成第一L形环形构件4。侵入由多个分隔部分7d分隔的空间的异物的周向运动受到分隔部分7d的限制，异物通过外圈的旋转产生的离心力被排出到轴承的外部 2.版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2008208946A Conveyor bearing 审中-公开
标题翻译：输送机轴承
公开(公告)号：JP2008208946A
公开(公告)日：2008-09-11
申请号：JP2007047259
申请日：2007-02-27
申请人： Nsk Ltd , 日本精工株式会社
发明人： YAMADA MANABU , MIYAMOTO MASATO
IPC分类号： F16C33/78 , B65G39/09 , F16C13/02
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive and compact conveyor bearing having dust-proofness, water-proofness and low torque.
SOLUTION: The conveyor bearing comprises an inner ring 1 externally fitted and fixed to a shaft, an outer ring 2 arranged rotatably relative to the inner ring 1 via balls 3, and a seal member for sealing grease between the outer ring 2 and the inner ring 1. The seal member consists of two L-shaped annular members 4, 5 L-shaped in radial cross section and fixed to the axial ends of the inner ring 1 and the outer ring 2 at a space d to oppose each other in the axial direction, respectively. The L-shaped annular member 5 on the side of the inner ring 1 is arranged on the axial outside so that a seal lip 7 fitted to the L-shaped annular member 4 on the side of the outer ring 2 has contact therewith.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有防尘性，防水性和低扭矩的廉价且紧凑的输送机轴承。解决方案：输送机轴承包括外部安装并固定在轴上的内圈1，经由滚珠3相对于内圈1可转动地布置的外圈2和密封件，用于密封外圈2和内圈1.密封构件由两个L形环形构件组成，四个L形的径向横截面，并且在彼此相对的空间d处固定到内圈1和外圈2的轴向端部分别在轴向。内圈1一侧的L形环状构件5配置在轴向外侧，使得与外圈2侧的L字形环状构件4嵌合的密封唇7与其接触。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2011174571A Wheel supporting bearing unit with rotating speed sensing device 审中-公开
标题翻译：具有转速传感装置的车轮支撑轴承单元
公开(公告)号：JP2011174571A
公开(公告)日：2011-09-08
申请号：JP2010040167
申请日：2010-02-25
申请人： Nsk Ltd , 日本精工株式会社
发明人： KAMIJO HARUO , MIYAMOTO MASATO
IPC分类号： F16C41/00 , B60B35/18 , F16C33/36 , F16C33/46 , F16C33/58 , F16C35/073
摘要： PROBLEM TO BE SOLVED: To provide a wheel supporting bearing unit equipped with a rotating speed sensing device in which a dimensional change of bearings and a cost increase are suppressed, the rotating speed can be sensed without altering the internal specifications of the bearing and the ease of handling can be maintained without increasing the number of component parts.
SOLUTION: The bearing unit 10 supporting a vehicle wheel is furnished with a pair of tapered roller bearings 20, 20 and the rotating speed sensing device 30. The encoder 31 of the rotating speed sensing device 30 is composed of a notch 21b formed at the end face in axial direction of the outer ring 21.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有旋转速度检测装置的车轮支撑轴承单元，其中轴承的尺寸变化和成本增加被抑制，可以感测转速而不改变轴承的内部规格并且可以在不增加部件的数量的情况下维持处理的容易性。解决方案：支撑车轮的轴承单元10配备有一对圆锥滚子轴承20,20和转速检测装置30.转速检测装置30的编码器31由形成的切口21b 在外圈21的轴向端面上。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2008267462A Conveyor bearing 审中-公开
标题翻译：输送机轴承
公开(公告)号：JP2008267462A
公开(公告)日：2008-11-06
申请号：JP2007109568
申请日：2007-04-18
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO , YAMADA MANABU
IPC分类号： F16C33/78 , F16C19/06
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive and compact conveyor bearing for actualizing lower torque while securing dust-proof and water-proof property.
SOLUTION: The conveyor bearing comprises an inner ring 1 externally fitted and fixed to a shaft, an outer ring 2 arranged rotatably relative thereto via balls 3, and a seal member for sealing grease between the outer ring 2 and the inner ring 1. The seal member consists of two L-shaped annular members 4, 5 having L-shaped radial cross sections and fixed to the axial ends of the inner ring 1 and the outer ring 2, respectively, at a space d to oppose each other in the axial direction. To the L-shaped annular member 4 on the side of the outer ring 2, a seal lip 7 is fitted which has lip portions 7a, 7b contacting the L-shaped annular member 5 on the side of the inner ring 1 arranged outside in the axial direction, and a protruded portion 7c (or 7d) not contacting it.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为确保防尘和防水性而提供一种便宜且紧凑的输送机轴承，用于实现较低的转矩。解决方案：输送机轴承包括外部安装并固定到轴的内圈1，经由滚珠3可旋转地布置的外圈2和用于密封外圈2和内圈1之间的润滑脂的密封构件密封构件由具有L形的径向横截面的两个L形环形构件4,5组成，并且分别固定在内圈1和外圈2的轴向端部处，以彼此相对的空间轴向。在外圈2一侧的L形环状构件4上嵌合有密封唇7，该密封唇7具有与内侧环1的外侧的L形环状构件5接触的唇部7a，7b，以及不与其接触的突出部分7c（或7d）。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008106874A Ball bearing and brushless motor using the same 审中-公开
标题翻译：球轴承和无刷马达使用相同
公开(公告)号：JP2008106874A
公开(公告)日：2008-05-08
申请号：JP2006291462
申请日：2006-10-26
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO
IPC分类号： F16C33/58 , F16C19/06 , F16C33/66 , F16C33/78
CPC分类号： F16C33/782 , F16C19/06 , F16C33/7853
摘要： PROBLEM TO BE SOLVED: To provide a novel ball bearing which inexpensively and certainly prevents electroerosion generated on the raceway surface of a rolling element over a long period of time, and also to provide a brushless motor using the same. SOLUTION: In this ball bearing with an inner ring 50 and an outer ring 60 sealed with a contact seal 90, the contact seal 90 is formed of a conductive material, and also a conductive lubricant G is applied to a contact surface 94 of the contact seal 90 with the inner ring 50 and the outer ring 60. Since electricity is carried in the order of the outer ring 60, the conductive contact seal 90 and the inner ring 50 even by the use of the metallic rolling element, electroerosion is inexpensively and certainly prevented over a long period of time. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种新颖的滚珠轴承，其可以在较长时间内廉价地肯定地防止在滚动体的滚道表面产生的电腐蚀，并且还提供使用该滚珠轴承的无刷电动机。
解决方案：在具有用接触密封件90密封的内圈50和外圈60的球轴承中，接触密封件90由导电材料形成，并且导电润滑剂G也被施加到接触表面94 接触密封件90与内圈50和外圈60接触。由于电力通过外环60，导电接触密封件90和内圈50的顺序，即使通过使用金属滚动元件，电腐蚀在一段长时间内是廉价和肯定的。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2013231494A Thrust bearing 审中-公开
标题翻译：推力轴承
公开(公告)号：JP2013231494A
公开(公告)日：2013-11-14
申请号：JP2012104829
申请日：2012-05-01
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO
IPC分类号： F16C19/10 , F16C33/58 , F16H39/04
摘要： PROBLEM TO BE SOLVED: To provide a thrust bearing enabling reduction of wear of a bearing ring in the thrust bearing.SOLUTION: A thrust bearing includes a first bearing ring 11 having a first raceway surface 11a, a second bearing ring 12 having a second raceway surface 12a, a plurality of rolling elements 13 disposed rotatably between the first raceway surface 11a and the second raceway surface 12a, and a retainer 14 for retaining the plurality of rolling elements 13 circumferentially at substantially equal intervals, and is used in a hydraulic continuously variable transmission 30, and a contact surface 20 of the first bearing ring 11 or the second bearing ring 12 with which a nose piston 35 of the hydraulic continuously variable transmission 30 comes into contact is formed with a peripheral groove 21 with a cross section in an arc shape.
摘要翻译：要解决的问题：提供一种能够减小推力轴承中的轴承环的磨损的推力轴承。解决方案：推力轴承包括具有第一滚道表面11a的第一轴承环11，具有第二滚道的第二轴承环12 表面12a，可旋转地设置在第一轨道表面11a和第二轨道表面12a之间的多个滚动元件13，以及用于以大致相等的间隔周期地保持多个滚动元件13的保持器14，并且用于液压连续变量变速器30以及液压无级变速器30的前端活塞35与其接触的第一轴承环11或第二轴承环12的接触表面20形成有具有弧形截面的周向槽21 形状。

9. 发明专利

JP2013064496A Thrust bearing for hydraulic continuously variable transmission 有权
标题翻译：用于液压连续可变传动的轴承
公开(公告)号：JP2013064496A
公开(公告)日：2013-04-11
申请号：JP2012186844
申请日：2012-08-27
申请人： Nsk Ltd , 日本精工株式会社
发明人： TATEYAMA CHISATO , MIYAMOTO MASATO
IPC分类号： F16C19/12 , F16C33/64 , F16H39/14
CPC分类号： F16C33/585 , F03C1/0671 , F04B1/148 , F04B1/2085 , F04B1/22 , F16C19/10 , F16C2240/40 , F16C2240/60 , F16C2310/00 , F16C2360/00 , F16C2360/42 , F16C2360/44 , F16H39/14
摘要： PROBLEM TO BE SOLVED: To provide a long-life thrust bearing for a hydraulic continuously variable transmission, in which breakage of an inner ring is prevented.SOLUTION: The thrust bearing is built into the hydraulic continuously variable transmission, and includes: the inner ring in contact with a piston of a piston chamber of a variable-capacity pump; an outer ring secured to an inclined plate; and a plurality of rolling elements held between the inner ring and the outer ring via a retainer. The thrust bearing for the hydraulic continuously variable transmission is characterized in that the groove base thickness (Ti) of the inner ring is at least 40% of the diameter of the rolling elements, and the groove base thickness (Te) of the outer ring is at least 15% of the diameter of the rolling elements.
摘要翻译：要解决的问题：提供一种用于防止内圈破损的液压无级变速器的长寿命推力轴承。解决方案：推力轴承内置在液压无级变速器中，包括：内圈与可变容量泵活塞室的活塞接触; 固定在倾斜板上的外圈; 以及经由保持器保持在所述内圈和所述外圈之间的多个滚动元件。用于液压无级变速器的推力轴承的特征在于，内圈的槽底厚度（Ti）至少为滚动元件直径的40％，外圈的槽底厚度（Te）为滚动体直径的至少15％。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2013064495A Thrust bearing 审中-公开
标题翻译：推力轴承
公开(公告)号：JP2013064495A
公开(公告)日：2013-04-11
申请号：JP2012186843
申请日：2012-08-27
申请人： Nsk Ltd , 日本精工株式会社
发明人： MIYAMOTO MASATO
IPC分类号： F16C33/44 , F16C19/10 , F16H39/14
CPC分类号： F16C33/3887 , F16C19/10 , F16C33/3856 , F16C33/44 , F16C2240/46
摘要： PROBLEM TO BE SOLVED: To provide a long-life thrust bearing in which a retainer is prevented from breaking.SOLUTION: The thrust bearing includes: a first raceway ring which has a first raceway surface; a second raceway ring which has a second raceway surface; a plurality of rolling elements which are arranged in a rollable manner between the first raceway surface and the second raceway surface; and the retainer which retains the rolling elements at equal intervals in the circumferential direction. The retainer is made of a synthetic resin, and a pocket gap is 2% to 5% of the diameter of the rolling elements.

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