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    • 3. 发明专利
    • Bearing device
    • 轴承装置
    • JP2014058936A
    • 2014-04-03
    • JP2012205509
    • 2012-09-19
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHISAITO CHIAKIWASEDA YOSHITAKA
    • F02B39/00F16C19/06F16C33/66
    • F16C19/548F16C19/163F16C27/045F16C33/6659F16C35/077F16C2360/24
    • PROBLEM TO BE SOLVED: To provide a bearing device for enabling oil passing through a rolling bearing to easily flow in an annular space and to be efficiently drained.SOLUTION: Oil supplied between an inner peripheral face 5 of a casing 2 and an outer peripheral face 16 of an outer ring housing 10 is supplied through between an end face 17 of the outer ring housing 10 and a side wall face 6 inside the casing 2 into a rolling bearing 20. The oil passing through the rolling bearing 20 is drained from an annular space 50 through a drain hole 15. An inner peripheral face 12 of the outer ring housing 10 has mounting faces 31, 31 on which an outer ring 22 is mounted, and a cylindrical face 32 provided between the mounting faces 31, 31 to construct the outer peripheral face of the annular space 50. The cylindrical face 32 has first inner peripheral faces 33, 33 each having an inner diameter A larger than an inner diameter B of the outer ring 22, and a second inner peripheral face 34 having an inner diameter C larger than the inner diameter A of the first inner peripheral face 33 and enlarging the annular space 50 to the radial outside.
    • 要解决的问题:提供一种用于使油通过滚动轴承以容易地在环形空间中流动并且被有效排出的轴承装置。解决方案:在壳体2的内周面5和外周面 外环壳体10的16通过外圈壳体10的端面17和壳体2内的侧壁面6之间被供给到滚动轴承20中。通过滚动轴承20的油从环形 空间50通过排水孔15.外圈壳体10的内周面12具有安装有外环22的安装面31,31和设置在安装面31,31之间的圆筒面32, 圆筒形面32具有第一内周面33,33,每个内周面33,31的内径A大于外圈22的内径B,第二内周面34具有 内径C大于第一内周面33的内径A,并且将环形空间50扩大到径向外侧。
    • 4. 发明专利
    • Shaft device with bearing
    • 带轴承的轴装置
    • JP2009127806A
    • 2009-06-11
    • JP2007305792
    • 2007-11-27
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHIWASEDA YOSHITAKA
    • F16D1/08F01L1/04F16C3/18F16H53/02
    • PROBLEM TO BE SOLVED: To provide a shaft device with a bearing, on which a top body can be easily and inexpensively assembled without giving damage to the outer peripheral face of a shaft when the top body such a cam top is pressed therein. SOLUTION: On the outer peripheral face of the shaft 21 in the axial direction, the top body 41 and a rolling bearing 31 are arranged at a predetermined space. Between the outer peripheral face of the shaft 12 and an inner hole 42 of the top body 41 through which the shaft 12 is inserted with a slight clearance, a wedge space 50 is formed along the outer peripheral face of the shaft 12. In the state that a biting body 55 is arranged in the wedge space 50 at its wide side, the top body 41 is turned at a predetermined angle around the axis of the shaft 12 until the biting body 55 bites it in the wedge space 50 at its narrow side, whereby the top body 41 is fixed to the outer peripheral face of the shaft 12. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供具有轴承的轴装置,当顶部本体如此凸轮顶部被压入其中时,顶部本体可以容易且廉价地组装在其上,而不会损坏轴的外周面 。 解决方案:在轴21的轴向的外周面上,顶体41和滚动轴承31布置在预定的空间。 在轴12的外周面和轴体12以稍微的间隙插入的顶体41的内孔42之间沿着轴12的外周面形成楔形空间50.在该状态 咬合体55在其宽侧设置在楔形空间50中,顶体41围绕轴12的轴线以预定角度转动,直到咬合体55在楔形空间50的狭窄侧咬合 ,由此顶部主体41固定到轴12的外周面。版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Rolling bearing device for turbocharger
    • 滚动轴承装置用于涡轮增压器
    • JP2014043920A
    • 2014-03-13
    • JP2012187488
    • 2012-08-28
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHISAITO CHIAKIWASEDA YOSHITAKA
    • F16C33/66F04D29/046F16C19/16F16C27/04F16J15/44
    • F16C27/045F16C19/548F16C35/077F16C2360/24
    • PROBLEM TO BE SOLVED: To provide a rolling bearing device for a turbocharger that is capable of reducing torque loss caused by agitation resistance of a lubricating oil in a rolling bearing.SOLUTION: A first rolling bearing 20 comprises a cylindrical retainer 24 for holding rolling elements 23 arranged in an interior space 7 of a bearing, and further comprises a disc-like seal member 6 that is arranged on one end of a bearing housing 10 to seal a part of an opening of the interior space 7 of the bearing. The seal member 6 comprises a fixed portion 6a that is fixed to an axially outer end surface of an outer ring 22 and to an inner peripheral surface of an end of the bearing housing 10; and a disc portion 6b that extends from the fixed portion 6a toward an axis 50 of the bearing. The inner diameter A of the seal member 6 is set to be equal to or greater than the outer diameter B of the retainer 24.
    • 要解决的问题:提供一种用于涡轮增压器的滚动轴承装置,其能够减少由滚动轴承中的润滑油的搅拌阻力引起的扭矩损失。解决方案:第一滚动轴承20包括用于保持滚动元件的圆柱形保持器24 23,其布置在轴承的内部空间7中,并且还包括盘状密封构件6,其布置在轴承壳体10的一端以密封轴承的内部空间7的开口的一部分。 密封构件6包括固定到外环22的轴向外端表面和轴承壳体10的端部的内周表面的固定部分6a; 以及从固定部6a向轴承的轴线50延伸的盘部6b。 密封构件6的内径A被设定为等于或大于保持器24的外径B.
    • 6. 发明专利
    • Rolling bearing device for turbocharger
    • 滚动轴承装置用于涡轮增压器
    • JP2014043919A
    • 2014-03-13
    • JP2012187487
    • 2012-08-28
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHISAITO CHIAKIWASEDA YOSHITAKA
    • F16C33/66F02B39/00F16C19/16F16C27/04F16C35/077F16C35/12
    • F16C19/548F16C19/163F16C27/045F16C33/6659F16C35/077F16C2360/24
    • PROBLEM TO BE SOLVED: To provide a rolling bearing device for a turbocharger that is capable of reducing torque loss caused by agitation resistance of a lubricating oil in a rolling bearing.SOLUTION: A rolling bearing device for a turbocharger comprises a disc-like seal member 6 that is disposed at one end in an axial direction of a bearing housing 10 to seal an opening 7a of an interior space 7 of a bearing. The seal member 6 comprises: a fixed portion 6a that is fixed to an axially outer end surface of an outer ring 22 and to an inner peripheral surface of an end of the bearing housing 10; and a disc portion 6b that extends from the fixed portion 6a toward an axis 50 of the bearing and is formed to overlap with an axially outer surface of an inner ring 21 in a radial direction. The disc portion 6b comprises: grooves 6d that are formed in opposite positions relative to an axial direction on an inner diameter side end of the opening 7a so as to allow an exterior space 9 of the housing located in the periphery of the bearing housing 10 to communicate with the interior space 7 of the bearing; and discharge holes 6c that are formed in opposite positions relative to the axial direction on an outer diameter side end of the opening 7a so as to allow the exterior space 9 of the housing to communicate with the interior space 7 of the bearing.
    • 要解决的问题:提供一种能够减少由滚动轴承中的润滑油的搅拌阻力引起的扭矩损失的涡轮增压器的滚动轴承装置。解决方案:一种用于涡轮增压器的滚动轴承装置,包括盘状密封构件 6,其设置在轴承壳体10的轴向的一端,以密封轴承的内部空间7的开口7a。 密封构件6包括:固定部分6a,其固定到外圈22的轴向外端表面和轴承壳体10的端部的内周表面; 以及从固定部分6a朝着轴承的轴线50延伸并且形成为在径向上与内圈21的轴向外表面重叠的盘部分6b。 盘部6b包括:槽6d,其形成在开口7a的内径侧端部上的相对于轴向的相对位置,以允许位于轴承壳体10的周边的壳体的外部空间9 与轴承的内部空间7通信; 以及在开口7a的外径侧端部相对于轴向相反的位置形成的排出孔6c,以允许壳体的外部空间9与轴承的内部空间7连通。
    • 7. 发明专利
    • Variable valve mechanism
    • 可变阀机构
    • JP2008121542A
    • 2008-05-29
    • JP2006305971
    • 2006-11-10
    • Jtekt Corp株式会社ジェイテクト
    • OKUMURA TAKASHIWASEDA YOSHITAKAIWATA TAKASHI
    • F01L13/00
    • PROBLEM TO BE SOLVED: To easily constitute a variable valve mechanism capable of varying at least a lift quantity of a valve. SOLUTION: This variable valve mechanism has a camshaft 11, a cam 12, a valve mechanism 20 and a cam displacement adjusting mechanism 30, and also has a gear mechanism, an electric motor and an electronic control device (an axial position setting changing means). A eccentric member 31 (the cam displacement adjusting mechanism) rotatably supports the camshaft 11 around the axis L1 (the first axis) of the camshaft 11 via a needle bearing 34. The eccentric member 31 is rotatably supported via a ball bearing 32 around the axis L2 (the second axis) eccentric to the axis L1 (the first axis) by a base of a cylinder head. The eccentric member 31 is rotated around the axis L2 via a gear mechanism by the driving control of the electric motor by the electronic control device. The axis L1 rotates around the axis L2 by the rotation of the eccentric member 31. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:容易构成能够至少改变阀的提升量的可变阀机构。 解决方案:该可变阀机构具有凸轮轴11,凸轮12,阀机构20和凸轮位移调节机构30,并且还具有齿轮机构,电动机和电子控制装置(轴向位置设定 改变方式)。 偏心构件31(凸轮位移调节机构)通过滚针轴承34将凸轮轴11可旋转地支撑在凸轮轴11的轴线L1(第一轴线)上。偏心构件31通过球轴承32围绕轴线可旋转地支撑 L2(第二轴),通过气缸盖的底座偏心于轴线L1(第一轴线)。 通过电子控制装置的电动机的驱动控制,偏心构件31通过齿轮机构绕轴线L2旋转。 轴线L1通过偏心构件31的旋转围绕轴线L2旋转。版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Crown-type cage
    • CROWN型笼
    • JP2008051294A
    • 2008-03-06
    • JP2006230381
    • 2006-08-28
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHIOKUMURA TAKASHI
    • F16C33/41
    • PROBLEM TO BE SOLVED: To provide a crown type cage capable of reducing contact between the inner surface of a pocket and a ball, even if the opening side of the pocket moves to the outer side in the radial direction by a centrifugal force accompanied by the rotation of a ball bearing. SOLUTION: The pocket 7 is formed in the shape of an opening on the first end side in the axial direction by penetrating in the axial direction through an annular body 1a. The inner surface S of the pocket is formed in a spherical surface shape corresponding to a rolling body 5. A plurality of pockets 7 include a first pocket 7a having the inner surface S of a first radius r1 and a second pocket 7b of a second radius r2 larger than the first radius. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使袋的开口侧通过离心力沿径向向外侧移动,也能够提供能够减小袋的内表面与球的接触的冠型保持架 伴随着滚珠轴承的旋转。 解决方案:袋7通过沿轴向穿过环形体1a而在轴向的第一端侧的开口形状上形成。 袋体的内表面S形成为对应于滚动体5的球面形状。多个凹穴7包括具有第一半径r1的内表面S和第二半径的第二凹部7b的第一凹槽7a r2大于第一半径。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Angular ball bearing
    • 角球轴承
    • JP2007315567A
    • 2007-12-06
    • JP2006148484
    • 2006-05-29
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHI
    • F16C19/18F16C33/58
    • F16C2361/63
    • PROBLEM TO BE SOLVED: To provide an angular ball bearing capable of preventing transmission of heat of a peripheral member. SOLUTION: On an inner peripheral surface (bearing inside diameter surface) of an inner ring 1 constituting the angular ball bearing B1, a fitting part 11 is formed in the form that the width is equally divided along the axial direction while having an intersection point 13 of a line of action 4 to which a radial load and an axial load of the angular ball bearing B1 act and the bearing inside diameter surface as a center, and respective step parts 12 having an inside diameter D2 larger than an outside diameter D1 of a shaft member 5 is formed in a bearing width W other than the respective fitting parts 11. When the shaft member 5 generates heat, quantity of heat transmitted from the shaft member 5 to the inner ring 1 is reduced. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够防止外围构件的热传递的角球轴承。 解决方案:在构成角球轴承B1的内圈1的内周面(轴承内径面)上形成有沿着轴向等宽分割的形状的嵌合部11, 作用于作用角度4的径向载荷和角撑球轴承B1的轴向载荷与轴承内径表面之间的作用点的交点13为中心,以及各自的台阶部分12的内径D2大于外径 轴构件5的D1形成为除了各配件11之外的轴承宽度W.当轴构件5产生热量时,从轴构件5传递到内圈1的热量减少。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Rolling bearing
    • 滚动轴承
    • JP2007270969A
    • 2007-10-18
    • JP2006097549
    • 2006-03-31
    • Jtekt Corp株式会社ジェイテクト
    • IWATA TAKASHI
    • F16C33/78F16C19/16F16C33/58F16J15/32
    • F16C33/7853F16C19/06F16C33/7823
    • PROBLEM TO BE SOLVED: To prevent a top end of a main lip from adsorbing to an inner side surface of a seal groove due to deformation of a seal when external pressure acts on the seal so as to suppress promotion of wear thereof and suppress an increase in friction torque. SOLUTION: In the rolling bearing 14, the main lip 42 on an inner-diameter end side of the contact-type seal 26 is brought into sliding contact by shrink range on the inner side surface 40 of the seal groove 36 provided at each of axial opposite ends of an inner ring 18. An auxiliary lip 50 is provided on the inner-diameter end side of the contact-type seal 26. The auxiliary lip 50 comes in contact with the inner side surface 40 of the seal groove 36 so as to reduce tension of the main lip 42 when the external force is applied to the contact-type seal 26. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了防止当外部压力作用在密封件上时由于密封件的变形而妨碍主唇缘的顶端吸附到密封槽的内侧表面,以便抑制其增加磨损, 抑制摩擦转矩的增加。 解决方案:在滚动轴承14中,接触型密封件26的内径端侧的主唇缘42在密封槽36的内侧表面40上通过收缩范围滑动接触,该密封槽36设置在 内环18的每个轴向相对端。辅助唇缘50设置在接触型密封件26的内径端侧。辅助唇缘50与密封槽36的内侧表面40接触 以便当外力施加到接触型密封件26时减小主唇缘42的张力。版权所有(C)2008,JPO&INPIT