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    • 74. 发明授权
    • Rotating shaft support apparatus and differential gear unit
    • 旋转轴支撑装置和差速减速器
    • US07320658B2
    • 2008-01-22
    • US10855468
    • 2004-05-28
    • Tetsuya KohnoHitoshi OhnishiYuji Yasuda
    • Tetsuya KohnoHitoshi OhnishiYuji Yasuda
    • F16H57/04
    • F16H57/0483F16H48/08F16H57/0428F16H57/0434F16H2048/082F16H2048/385Y10T74/2189
    • In a lubrication groove, which is formed in an insertion hole into which is inserted an output shaft, and which winds around the circumference of the insertion hole while advancing in the axial direction of the insertion hole, there is a portion that is farther to the outside than a perpendicular plane that is perpendicular to a center plane of a differential case on which lie the axial centers of the insertion hole and a pinion gear shaft, the perpendicular plane including a line of intersection of the center plane and the insertion hole. That portion is a perpendicular groove portion which is parallel to a plane that is perpendicular to the axial center of the insertion hole. Accordingly, when extracting a core for forming the insertion hole and the lubrication groove from a die, projections formed on the core for forming the lubrication groove will not interfere with the die. As a result, it is possible to form the lubrication groove during casting of the differential case using that core.
    • 在形成在插入有输出轴的插入孔中并沿着插入孔的轴向前进的情况下绕着插入孔的周围卷绕的润滑槽中,存在更远离该插入孔的部分 在与垂直于差速器壳体的中心平面的垂直平面外侧,垂直平面包括插入孔和小齿轮轴的轴向中心,垂直平面包括中心平面和插入孔的相交线。 该部分是垂直于垂直于插入孔的轴心的平面的垂直槽部分。 因此,当从模具中提取用于形成插入孔和润滑槽的芯时,形成在用于形成润滑槽的芯上的突起将不会与模具干涉。 结果,可以在使用该芯子的差速器壳体的铸造期间形成润滑槽。
    • 75. 发明申请
    • Clutch Device for Automatic Speed Changer
    • 自动换档离合器装置
    • US20070215432A1
    • 2007-09-20
    • US11579506
    • 2005-05-06
    • Hirofumi OnishiYuji Yasuda
    • Hirofumi OnishiYuji Yasuda
    • F16D25/10F16D25/0638
    • F16D25/0638
    • A clutch device for an automatic transmission includes a clutch drum, first and second frictional coupling elements, both supported by the clutch drum, a first piston axially movably disposed radially outwardly of the clutch drum and operating to couple the first frictional coupling elements, and a second piston axially movably disposed radially inwardly of the clutch drum and operating to couple the second frictional coupling elements. The clutch drum includes an inner drum portion welded on a rotary shaft, and an outer drum portion welded on the inner drum portion and supporting the first and second frictional coupling elements. The first piston is axially slidable relative to the inner drum portion. The second piston is axially slidable relative to the rotary shaft. And, a welded portion of the rotary shaft and the inner drum portion, and a welded portion of the inner drum portion and the outer drum portion, are radially spaced in a predetermined distance and concentric with each other.
    • 用于自动变速器的离合器装置包括离合器鼓,由离合器鼓支撑的第一和第二摩擦联接元件,可轴向移动地设置在离合器鼓的径向外侧并且操作以联接第一摩擦联接元件的第一活塞,以及 第二活塞轴向可移动地设置在离合器鼓的径向内侧并且操作以联接第二摩擦联接元件。 离合器鼓包括焊接在旋转轴上的内鼓部分和焊接在内鼓部分上并支撑第一和第二摩擦联接元件的外鼓部分。 第一活塞相对于内鼓部分可轴向滑动。 第二活塞相对于旋转轴可轴向滑动。 并且,旋转轴和内鼓部分的焊接部分以及内鼓部分和外鼓部分的焊接部分以预定距离径向间隔开并且彼此同心。
    • 77. 发明授权
    • Piston for automatic transmission
    • 活塞自动变速器
    • US07255038B2
    • 2007-08-14
    • US11261542
    • 2005-10-31
    • Hirofumi OnishiYuji Yasuda
    • Hirofumi OnishiYuji Yasuda
    • F16D25/0638F16D21/02
    • F16D25/0638F16D25/10F16D2048/0212F16H63/3026
    • A piston for an automatic transmission includes: (a) a cylindrical wall portion provided by a first piston member; (b) a bottom wall portion provided by a second piston member; and (c) an engaging portion at which the first and second piston members are engaged with each other such that the first piston member is movable relative to the second piston member in an axial direction of the piston by a small distance. The piston is characterized by further including (d) an elastic structure which is provided at the engaging portion, and which biases the first piston member in the axial direction, so as to restrain movement of the first piston member relative to the second piston member in the axial direction.
    • 一种用于自动变速器的活塞包括:(a)由第一活塞构件提供的圆柱形壁部; (b)由第二活塞构件提供的底壁部分; 和(c)第一和第二活塞构件彼此接合的接合部分,使得第一活塞构件能够在活塞的轴向方向上相对于第二活塞构件移动一小段距离。 活塞的特征在于,还包括(d)弹性结构,该弹性结构设置在接合部分处,并且沿轴向偏压第一活塞构件,以便抑制第一活塞构件相对于第二活塞构件的运动 轴向。
    • 78. 发明申请
    • Clutch device for automatic transmission
    • 离合器装置用于自动变速器
    • US20070161450A1
    • 2007-07-12
    • US10590692
    • 2005-09-13
    • Hirofumi OnishiYuji Yasuda
    • Hirofumi OnishiYuji Yasuda
    • F16H31/00
    • F16D43/216B60W2510/0283F16D25/0638F16D25/10F16D25/12F16D2021/0661F16D2021/0692
    • A clutch device for an automatic transmission, including a clutch drum supporting frictional coupling elements, a clutch piston disposed radially outwardly of the clutch drum, and a rotary speed sensor disposed radially outwardly of the clutch piston to detect a rotating speed of the clutch piston. The clutch piston has an inner spline for engagement with an outer spline of the clutch drum to prevent relative rotation between the clutch piston and the clutch drum, and further has a plurality of recesses formed in an outer circumferential surface thereof and corresponding to respective teeth of the inner spline, and a plurality of oil holes formed therethrough at an axial position of the clutch device at which the rotary speed sensor is located. The recesses and the oil holes are equally spaced apart from each other in a circumferential direction of the clutch piston, and cooperate to provide a sensed portion to be sensed by the rotary speed sensor.
    • 一种用于自动变速器的离合器装置,包括支撑摩擦联接元件的离合器鼓,设置在离合器鼓径向外侧的离合器活塞和设置在离合器活塞的径向外侧的转速传感器,以检测离合器活塞的转速。 离合器活塞具有用于与离合器鼓的外花键接合的内花键,以防止离合器活塞和离合器鼓之间的相对旋转,并且还具有形成在其外圆周表面中的多个凹部,并且对应于 内花键和在离合器装置的轴向位置处形成的多个油孔,转子传感器位于该轴向位置处。 凹部和油孔在离合器活塞的圆周方向上彼此等间隔开,并且协作以提供感测部分以由转速传感器感测。