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    • 3. 发明授权
    • Double row ball bearing
    • 双列球轴承
    • US06231242B1
    • 2001-05-15
    • US09433349
    • 1999-11-04
    • Shuichi YanoYukihiro Akabane
    • Shuichi YanoYukihiro Akabane
    • F16C1908
    • F16C19/184F16C33/58G01M13/04
    • In the double row ball bearing, a plurality of balls are incorporated into a space between a first inner race raceway of an inner race and a first outer race raceway of an outer race, a plurality of balls are incorporated into a space between a second inner race raceway of the inner race and a second outer race raceway of the outer race, there is formed a counterbore portion at least in the outer race raceway of a pair of one-row side inner and outer race raceways, and the balls are incorporated in a maximum manner into a space between the pair of inner and outer race raceways which are so arranged as to include the outer race with the counterbore portion formed therein, to thereby make it possible to provide a double row ball bearing in which the rated load of one-row side raceway thereof can be selected up to its maximum with respect to the outside diameter dimension of an outer race thereof, and an excellent fatigue life can be attained.
    • 在双排球轴承中,多个球体并入内座圈的第一内座圈滚道和外座圈的第一外座圈滚道之间的空间中,多个滚珠结合到第二内圈 内圈的赛道滚道和外圈的第二外座圈滚道,至少在一排一排内侧和外侧滚道滚道的外圈滚道中形成一个沉孔部分,并将滚珠结合在 最大限度地进入一对内滚道和外滚道之间的空间,其布置成包括形成在其中的沉孔部分的外圈,从而可以提供双列球轴承,其中额定载荷 其一列侧滚道可相对于其外圈的外径尺寸选择为最大值,并且可以获得优异的疲劳寿命。
    • 4. 发明授权
    • Drive shaft for automotive vehicle water pump
    • 汽车水泵驱动轴
    • US5462489A
    • 1995-10-31
    • US240396
    • 1994-05-10
    • Yoshio KanTakeshi NakamuraYukihiro Akabane
    • Yoshio KanTakeshi NakamuraYukihiro Akabane
    • F01P5/10F04D29/04F04D29/043F04D29/049F01P11/00
    • F04D29/043F04D29/049
    • A drive shaft for an automotive vehicle water pump has an outer race with plural outer raceways formed in an inner peripheral wall thereof, a shaft member disposed for rotation relative to the outer race and defining a like plural number of inner raceways formed in an outer peripheral wall of the shaft member in radial registration with the corresponding outer raceways, and a multiplicity of rolling elements arranged between the inner raceways and the corresponding outer raceways, respectively. The shaft member comprises a large-diameter bearing portion with the plural inner raceways formed in an outer peripheral wall thereof, a small-diameter impeller shaft portion extending from one end of the large-diameter bearing portion, a small-diameter pulley shaft portion, and a continuously-connecting portion extending between an opposite end of the large-diameter bearing portion and a proximal end of the small-diameter pulley shaft portion. The continuously-connecting portion presents a curved peripheral surface with circular arcs in tangential directions of which an outer peripheral wall of the small-diameter pulley portion extends.
    • 用于机动车辆水泵的驱动轴具有形成在其内周壁上的多个外滚道的外圈,设置成相对于外座圈旋转的轴构件,并且限定形成在外周的多个内滚道 轴构件的壁与相应的外滚道径向对准,并且分别布置在内滚道和对应的外滚道之间的多个滚动元件。 轴构件包括大直径轴承部分,其多个内滚道形成在其外周壁中,小直径叶轮轴部分从大直径轴承部分的一端延伸,小直径滑轮轴部分, 以及在所述大直径轴承部分的相对端与所述小直径滑轮轴部分的近端之间延伸的连续连接部分。 连续连接部分具有圆形弧形的弧形圆周表面,该圆周的圆周方向是小直径滑轮部分的外周壁延伸的切线方向。