Double-row tapered roller bearing unit and method for manufacturing same
    3.
    发明授权
    Double-row tapered roller bearing unit and method for manufacturing same 有权
    双列圆锥滚子轴承单元及其制造方法

    公开(公告)号:US09581192B2

    公开(公告)日:2017-02-28

    申请号:US15026800

    申请日:2014-09-30

    Applicant: NSK Ltd.

    Abstract: Construction of a double-row tapered-roller bearing unit that is able to improve the contact state between the rolling contact surfaces of plural tapered rollers and a first inner-ring raceway (7) and second inner-ring raceway (8), and a method of manufacturing the same are provided. The inclination angle θ1 of the first inner-ring raceway (7) and the inclination angle θ2 of the second inner-ring raceway (8) in a state before the first inner ring (10) and the second inner ring (11) are press-fitted onto the fitting surface section (13a) of the hub main body (12a), the amount of decrease δθa in the inclination angle of the first inner-ring raceway (7) and the amount of decrease δθb in the inclination angle of the second inner-ring raceway (8) occurring due to press-fitting of the first inner ring (10) and the second inner ring (11) onto the fitting-surface section (13a), and the amount of increase δθk in the inclination angle of the first inner-ring raceway (7) occurring due to formation of the crimped section (15) are adjusted, so that the inclination angle φ1 of the first inner-ring raceway (7) and the inclination angle Θ2 of the second inner-ring raceway (8) in a state after the crimped section (15) has been formed are kept within respective proper ranges.

    Abstract translation: 能够改善多个圆锥滚子的滚动面与第一内圈滚道(7)和第二内圈滚道(8)的接触状态的双列圆锥滚子轴承单元的结构,以及 提供了制造方法。 第一内圈滚道(7)的倾斜角θ1和第一内圈(10)和第二内圈(11)之前的状态下的第二内圈滚道(8)的倾斜角θ2被按压 配合到轮毂主体(12a)的嵌合面部(13a)上时,第一内圈轨道(7)的倾斜角度的减小量δθa与倾斜角度的下降量δθb 第二内圈滚道(8)由于第一内圈(10)和第二内圈(11)压配合到装配表面部分(13a)上而产生,并且倾斜角度δθk的增加量 调节由于形成压接部(15)而产生的第一内圈滚道(7),使得第一内圈滚道(7)的倾斜角度φ1和第二内圈滚道(7)的倾斜角度θ2, 形成卷曲部(15)之后的状态的环形滚道(8)保持在适当的范围内 es。

    Wheel bearing apparatus and its pre-pressure managing method
    6.
    发明授权
    Wheel bearing apparatus and its pre-pressure managing method 有权
    车轮轴承装置及其预压管理方法

    公开(公告)号:US09315069B2

    公开(公告)日:2016-04-19

    申请号:US14136333

    申请日:2013-12-20

    Inventor: Kazuo Komori

    Abstract: A wheel bearing apparatus has an outer member, an inner member and double row rolling elements. A coupler ring is fit onto the wheel hub. The coupler ring inner circumferential splined portion has a plurality of spline recesses and spline projections. The plurality recesses and projections mate with a hub splined portion formed on the inner side outer circumference of the cylindrical portion of the wheel hub. An axial cross-section of the inner-side end of each spline projection of the hub splined portion is formed by a single circular arc with a predetermined radius of curvature “R”. The radius of curvature “R” is larger than a dimension “A”, measured from the inner-side end face of the coupler ring to the inner-side edge “B” of each spline projection (R>A). Also, it is larger than the height “h” of each spline projection (R>h).

    Abstract translation: 车轮轴承装置具有外部构件,内部构件和双列滚动元件。 联轴器环安装在轮毂上。 联轴器环内圆周花键部分具有多个花键凹槽和花键突起。 多个凹部和突起与形成在轮毂的圆筒部的内侧外周上的毂花键部配合。 轮毂花键部分的每个花键突起的内侧端部的轴向横截面由具有预定曲率半径“R”的单个圆弧形成。 曲率半径“R”大于从连接环的内侧端面到每个花键突起(R> A)的内侧边缘“B”的尺寸“A”。 此外,它大于每个花键投影(R> h)的高度“h”。

    Wheel Bearing Assembly
    9.
    发明申请
    Wheel Bearing Assembly 有权
    车轮轴承总成

    公开(公告)号:US20150010260A1

    公开(公告)日:2015-01-08

    申请号:US14495077

    申请日:2014-09-24

    Abstract: A passenger automotive vehicle wheel bearing assembly having improved impact Brinell resistance is provided. Due to a controlled gap between a rotating component and a non-rotating component or a vehicle suspension structure, the non-rotating component or the vehicle suspension structure is permitted to share impact loads caused by a sufficient radial or side impact (such as a pothole or curb impact) to the rotating component, thus preventing excessive loads from being transmitted to rolling elements, and providing greater resistance against Brinell impact damage that would generate a noise and/or vibration condition in the bearing assembly. Wheel bearing assemblies according to the invention provide increased impact Brined resistance while avoiding excessive contact between the rotating component and the non-rotating component or the vehicle suspension structure during extreme cornering maneuvers.

    Abstract translation: 提供了一种具有改善的耐冲击性的旅客汽车车轮轴承组件。 由于旋转部件和非旋转部件或车辆悬架结构之间的受控的间隙,允许非旋转部件或车辆悬架结构共享由足够的径向或侧面冲击(例如坑洞)引起的冲击载荷 或遏制冲击),从而防止过大的负载被传递到滚动元件,并且提供更大的抵抗在轴承组件中产生噪音和/或振动状况的布氏冲击损坏的阻力。 根据本发明的车轮轴承组件提供增加的冲击耐磨损性,同时避免在极端转弯机动期间旋转部件和非旋转部件或车辆悬架结构之间的过度接触。

    Bearing device for driving wheel
    10.
    发明授权
    Bearing device for driving wheel 有权
    驱动轮轴承装置

    公开(公告)号:US08783964B2

    公开(公告)日:2014-07-22

    申请号:US14050685

    申请日:2013-10-10

    Abstract: A driving-wheel bearing device includes an outer race having double-row outer raceway surfaces formed on an inner periphery thereof, a hub wheel and an inner race having a wheel attachment flange at one end thereof and double-row inner raceway surfaces on an outer periphery thereof, and double-row rolling elements interposed between the outer raceway surfaces of the outer race and the inner raceway surfaces of the hub wheel and the inner race, the hub wheel having a shaft hole into which a stem section extending from an outer joint member of a constant velocity universal joint is spline-fitted by being press-fitted, in which a plate having a molybdenum coating layer or a fluorine-resin coating layer formed thereon and having a plate thickness ranging from 0.5 mm to 2 mm is interposed between opposite surfaces of a shoulder portion of the outer joint member and an crimped portion of the hub wheel.

    Abstract translation: 驱动轮轴承装置包括:外圈,具有形成在其内周上的双列外滚道表面的外圈,轮毂轮和内座圈,其一端具有车轮安装凸缘,在外侧具有双列内滚道表面 以及插入在所述外圈的所述外滚道表面与所述轮毂圈和所述内座圈的所述内滚道表面之间的双列滚动元件,所述轮毂轮具有轴孔,所述轴部从外接头 等速万向接头的构件通过压配成花键配合,其中在其上形成有钼涂层或氟树脂涂层的板,其厚度范围为0.5mm至2mm,介于 外侧接头构件的肩部的相对面和轮毂圈的压接部。

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