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    • 8. 发明公开
    • Power transmission apparatus
    • Leistungsübertragungseinheit。
    • EP0333095A1
    • 1989-09-20
    • EP89104395.2
    • 1989-03-13
    • VISCODRIVE JAPAN LTD
    • Kurihara, SakuoTeraoka, Masao
    • B60K17/35F16D47/06F16D35/00
    • B60K17/351F16D35/005F16D47/06F16H48/12Y10T74/19005Y10T74/19079
    • To realize three functions of twin viscous coupling in four-wheel drive, free coupling in two-wheel drive, and further drive (lock) coupling in four-wheel drive, the power transmission apparatus for transmitting power from a propeller shaft (9A) to two right and left rear wheel drive shafts (21A, 23A), comprises first and second hubs (4, 5) coupled to the drive shafts; cylindrical inner and outer casings (3a, 3b) for forming two working chambers (11, 12) in cooperation with the two hubs; first and second resistance plates (8, 9), and a driven member (17) for selectively engaging the inner casing with the outer casing (TWIN VISCO IN 4WD) and disengaging the inner casing from the outer casing (FREE IN 2WD). Further, it is also preferable to use hollow clutch pipes (99, 101) disposed between the two drive shafts (21A, 23A) and the two hubs (49, 51), for selectively engaging the two drive shafts with the two hubs (TWIN VISCO IN 4WD) or with the cylindrical casing (29) (LOCK IN 2WD), and disengaging the two drive shafts from both the two hubs and the cylindrical casing (FREE IN 2WD).
    • 为了实现四轮驱动中的双粘性联轴器,两轮驱动中的自由联轴器和四轮驱动中的进一步驱动(锁定)联接的三个功能,用于将动力从传动轴(9A)传递到 两个左右后轮驱动轴(21A,23A)包括联接到驱动轴的第一和第二轮毂​​(4,5) 用于与所述两个毂配合形成两个工作室(11,12)的圆柱形内外壳(3a,3b) 第一和第二电阻板(8,9)和用于选择性地将内壳与外壳(TWIN VISCO IN 4WD)接合并使内壳与外壳(FREE IN 2WD)分离的从动构件(17)。 此外,还优选使用设置在两个驱动轴(21A,23A)和两个轮毂(49,51)之间的中空离合器管(99,101),用于选择性地将两个驱动轴与两个轮毂(TWIN VISCO IN 4WD)或圆柱形壳体(29)(LOCK IN 2WD),并从两个轮毂和圆柱形壳体(FREE IN 2WD)分离两个驱动轴。