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    • 9. 发明授权
    • Differential gear apparatus
    • 差速装置
    • US5674146A
    • 1997-10-07
    • US514105
    • 1995-08-11
    • Hideo HayakawaSeiki NumaoSatoshi AibaKenji Hiraishi
    • Hideo HayakawaSeiki NumaoSatoshi AibaKenji Hiraishi
    • F16H48/28F16H48/285F16H48/38F16H48/40F16H1/45B60K17/20
    • F16H48/285
    • A differential gear apparatus includes a differential case 21 having casing members 31,33 fixed by a tightening member 35 and driven by an engine to be rotated, side gears 37,39 on the wheel side, pinion gears 57,59 for linking the gears 37,39 with each other, and receiving bores 53,55 formed of first and second wall surfaces 77,79,83,85 which are respectively formed in the casing members 31,33 for receiving the pinion gears 57,59 slidably and rotatably therein, wherein wall surfaces 77,79 occupy semicircles or more of the receiving bores 53,55, and curvatures of the wall surfaces 83,85 are set to be larger than those of the wall surfaces 77,79 and wherein distances between the wall surfaces 83,85 and the pinion gears 57,59 are set to be longer than distances between the wall surfaces 77,79 and the pinion gears 57,59 in contacting areas of respective wall surfaces.
    • 差动齿轮装置包括差速器壳体21,其具有由紧固构件35固定并由要旋转的发动机驱动的壳体构件31,33,车轮侧的侧齿轮37,39,用于连接齿轮37的小齿轮57,59 39彼此以及由分别形成在壳体构件31,33中的第一和第二壁表面77,79,83,85形成的接收孔53,55,用于在其中可滑动地和可旋转地接纳小齿轮57,59, 其中壁表面77,79占据接收孔53,55的半圆形或更多个,并且壁表面83,85的曲率被设定为大于壁表面77,79的曲率,并且其中壁表面83,75之间的距离 85和小齿轮57,59被设定为比相应壁面的接触区域中的壁面77,79与小齿轮57,59之间的距离更长。
    • 10. 发明授权
    • Differential apparatus with speed and torque sensitive differential
limiting forces
    • 差速装置具有速度和转矩敏感的差速限制力
    • US5458547A
    • 1995-10-17
    • US93051
    • 1993-07-16
    • Masao TeraokaSatoshi AibaKenji HiraishiShuhei Ono
    • Masao TeraokaSatoshi AibaKenji HiraishiShuhei Ono
    • F16H48/10F16H48/11F16H48/22F16H48/26F16H48/27F16H48/285
    • F16H48/285F16H48/10F16H48/11F16H48/22F16H48/26F16H48/27F16H2048/106
    • A differential apparatus comprises: a differential casing; a first side gear rotatably arranged within the differential casing and connected to the first shaft; a second side gear rotatably arranged within the differential casing in parallel to the first side gear and connected to the second shaft; at least one short pinion gear housed in a bore formed in the differential casing so as to be rotated within the bore and around the first and second side gears together with the differential casing; at least one long pinion gear housed in another bore formed in the differential casing in parallel to and in mesh with the short pinion gear so as to be rotated within the bore and around the first and second side gears together with the differential casing; and a viscous coupling. The first and second side gears are geared to each other through the short and long pinion gears so as to be rotated differentially relative to each other, when the short and long pinion gears are driven by the differential casing. The differential apparatus can generate a torque sensitive differential limiting force uniform both when a torque is transmitted to the first shaft under the condition that the second shaft is being idled and when a torque is transmitted to the second shaft under the condition that the first shaft is being idled; and a speed sensitive differential limiting force generated by the viscous coupling.
    • 差速装置包括:差速器壳体; 第一侧齿轮,其可旋转地布置在差速器壳体内并连接到第一轴; 第二侧齿轮,平行于第一侧齿轮可旋转地布置在差速器壳体内并连接到第二轴; 至少一个短小齿轮,其容纳在形成在所述差速器壳体中的孔中,以便与所述差速器壳体一起在所述孔内旋转并围绕所述第一和第二侧齿轮旋转; 至少一个长小齿轮容纳在形成在差速器壳体中的另一个孔中,平行于短小齿轮并与其啮合,以便与差速器壳体一起在孔内并围绕第一和第二侧齿轮旋转; 和粘性耦合。 第一和第二侧齿轮通过短小齿轮和长小齿轮相互啮合,以便当短轴和长齿轮被差速器壳体驱动时,彼此相对旋转。 差分装置可以产生扭矩敏感的限制力,当在第二轴被空转的条件下扭矩传递到第一轴时,以及当在第一轴是第二轴的情况下将扭矩传递到第二轴时, 被闲置 以及由粘性联轴器产生的速度敏感的差速限制力。