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    • 11. 发明授权
    • Needle bearing
    • 滚针轴承
    • US06478470B1
    • 2002-11-12
    • US09623400
    • 2000-10-02
    • Helmut Bode
    • Helmut Bode
    • F16C3366
    • F16C33/6648F16C19/46F16C33/36F16C33/58F16C33/6603
    • The invention relates to a needle bearing with an outer ring (1) terminating on both its ends in a collar (2, 3), and with bearing needles (4) guided in a cage in axis parallel disposition, as well as with a lubricant reservoir (9) arranged in the bearing. This bearing is characterized in that the lubricant reservoir (9) is formed by a groove (8), arranged in the outer ring (1), and by a middle part (5) of the bearing needles (4), with the middle part having a reduced diameter in relation to the remaining diameter of the bearing needles (4).
    • 本发明涉及一种具有外圈(1)的滚针轴承,该外圈在其两端处于轴环(2,3)中,并且轴承针(4)在轴线平行布置的保持架中被引导,以及润滑剂 储存器(9)布置在轴承中。 该轴承的特征在于,润滑剂储存器(9)由布置在外圈(1)中的凹槽(8)和轴承针(4)的中间部分(5)形成,中间部分 具有相对于轴承针(4)的剩余直径减小的直径。
    • 12. 发明授权
    • Lubricating structure of bearing
    • 轴承润滑结构
    • US06428212B1
    • 2002-08-06
    • US09615717
    • 2000-07-13
    • Sadayuki Tanaka
    • Sadayuki Tanaka
    • F16C3366
    • F16C19/388B21B31/076F16C13/02F16C33/6662F16C33/768F16C41/005F16C2322/12
    • A lubricating structure of a bearing for lubricating a bearing by supplying oil air which is transmitted with pressure through respective distribution passages of an oil air distributor from an oil air supply apparatus to the bearing, comprising a first lubrication route for supplying the oil air to the bearing to lubricate inner portion of the bearing; and a second lubrication route for supplying the oil air to the bearing, and leading this oil air to a fit portion between the internal diameter surface of the inner race and the shaft portion through a seal member having a predetermined void portion, thereby lubricating this fit portion.
    • 一种润滑轴承的润滑结构,该轴承通过供给通过从油分配器的分配通道的压力传递的油空气从油空气供应装置到轴承的轴承,包括用于将油空气供应到所述轴承的第一润滑路线 轴承以润滑轴承的内部; 以及用于将油空气供给到轴承的第二润滑路径,并且通过具有预定空隙部分的密封构件将该油空气引导到内圈内径表面与轴部分之间的配合部分,由此润滑该配合 一部分。
    • 14. 发明授权
    • Lubricant distributing vanes for unitized wheel hub and bearing assembly
    • 用于组合式轮毂和轴承组件的润滑剂分配叶片
    • US06200037B1
    • 2001-03-13
    • US09324329
    • 1999-06-02
    • Barry E. Braun
    • Barry E. Braun
    • F16C3366
    • F16C33/6659B60B27/001F16C19/364F16C19/548F16C33/6607F16C33/6651F16C2326/02
    • A wheel hub and bearing assembly for mounting on a vehicle axle. The assembly includes a wheel hub having a longitudinal axis, a pair of bearings within the wheel hub, the bearings in spaced axial relation along the longitudinal axis of the wheel hub, a lubricant cavity within the wheel hub between the axially spaced bearings adapted to be filled with a lubricant prior to the wheel hub being mounted on an axle, and a vane disposed within the lubricant cavity and extending radially outwardly with respect to the longitudinal axis of the wheel hub. The vane includes first and second passages. The first passage has a transverse port for receiving lubricant into the vane upon rotation of the wheel hub on the axle, a radial passageway for directing lubricant flow from the transverse port in a radially inward direction towards the longitudinal axis of the wheel hub, and an axial nozzle for directing lubricant flow from the radial passageway in an axial direction, with respect to the longitudinal axis of the wheel hub, out of the vane and within the lubricant cavity towards one of the axially spaced bearings. The second passage has a transverse port for receiving lubricant into the vane upon opposite rotation of the wheel hub on the axle, a radial passageway for directing lubricant flow from the transverse port of the second passage in a radially inward direction towards the longitudinal axis of the wheel hub, and an axial nozzle for directing lubricant flow from the radial passageway of the second passage in an axial direction, with respect to the longitudinal axis of the wheel hub, out of the vane and within the lubricant cavity towards one of the axially spaced bearings.
    • 用于安装在车轴上的轮毂和轴承组件。 组件包括具有纵向轴线的轮毂,轮毂内的一对轴承,沿着轮毂的纵向轴线间隔轴向的轴承,轮毂内的润滑剂腔,位于轴向间隔开的轴承之间, 在轮毂安装在轴上之前填充润滑剂,以及设置在润滑剂腔内并相对于轮毂的纵向轴线径向向外延伸的叶片。 叶片包括第一和第二通道。 第一通道具有横向端口,用于在车轮上的轮毂旋转时将润滑剂接收到叶片中,用于将润滑剂从横向端口沿径向向内的方向引导到轮毂的纵向轴线的径向通道,以及 轴向喷嘴,用于将相对于轮毂的纵向轴线的径向通道的润滑剂流从叶片和润滑剂腔内朝向轴向间隔开的轴承之一引导。 第二通道具有横向端口,用于在车轮上的轮毂相对旋转时将润滑剂接收到叶片中,用于将润滑剂流从第二通道的横向端口朝径向向内的方向引导到径向通道 轮毂和用于将润滑剂流动相对于轮毂的纵向轴线沿轴向方向从第二通道的径向通道引导出叶片并在润滑剂腔内朝向轴向间隔开的轴向喷嘴 轴承。
    • 17. 发明授权
    • Package bearing with lubrication ports
    • US06513982B2
    • 2003-02-04
    • US09870236
    • 2001-05-30
    • Steven V. BoydMarcus Bunnow
    • Steven V. BoydMarcus Bunnow
    • F16C3366
    • F16C19/505F16C19/386F16C33/664F16C33/6659F16H57/0469
    • A multi-row rolling element bearing assembly is provided for use in applications, such as differentials. The rolling element bearing assembly includes an inner race defining at least two inner raceways, an outer race defining at least two outer raceways, and a plurality of rolling elements positioned between the inner and outer raceways formed in at least two rows. The bearing assembly includes a novel lubrication system which reduces the maximum temperature attained by the bearing during operation of the bearing and the time spent at that maximum temperature. The lubrication system includes a forced lubrication port connectable to a forced lubrication system, a secondary lubrication port extending from one of said outer surfaces to said radial inner surface, and a tertiary lubrication port. The forced lubrication system delivers lubricant to the bearing through the forced lubrication port. The bearing is partially submerged in lubricant when installed in an application. The secondary lubrication ports are positioned on the bearing to be submerged in the lubricant, and lubricant flows through the secondary lubrication ports into the bearing to maintain a substantially constant level of lubricant in the bearing during operation of the bearing. The tertiary lubrication port is positioned to be above the level of the lubricant so as not to be submerged. Lubricant which is flung from nearby parts of the machine in which the bearing is mounted can enter the bearing through the tertiary ports. Lastly, the outer race is formed as a one-piece, unitary element and includes an integral flange to mount the bearing in the application as well as the outer races which are formed on the inner surface of the outer race.
    • 18. 发明授权
    • Oil annulus to circumferentially equalize oil feed to inner race of a bearing
    • US06511228B2
    • 2003-01-28
    • US09850006
    • 2001-05-08
    • Edward Dusza
    • Edward Dusza
    • F16C3366
    • F16C37/007F16C19/06F16C33/586F16C33/6651F16C33/6677F16C2360/23
    • A ball bearing assembly has an outer ring and an inner ring defining the respective outer and inner races, and a plurality of balls separated on the circumference by a cage ring. The inner ring is split into a loaded half and a non-loaded half. The cage lands on the inner ring halves support the cage ring. An annular groove having a non-rectangular cross-section is disposed at the inner ring bore and at the split face. A plurality of radial grooves extend in the split face of one inner ring half to form radial passages between the annular groove and the inner race for directing oil under centrifugal forces collected in the annular groove, into the inner race. Each radial passage has an aperture in the annular groove located in an intermediate section thereof so that the bottom section of the annular groove acts as a reservoir to feed all the radial passages as well as provide a longer residence time for the oil on loaded inner ring surfaces. The annular reservoir circumferentially equalizes the oil supply to the radial split face passages and increases heat transfer to the oil since it is located in the loaded inner ring half where substantial frictional heat generation occurs. As a result, a preferential cooling of the loaded half of the inner ring is provided. The invention can be broadly applied to cool and lubricate rotating parts in rotary machines, especially in high speed applications.