公开(公告)号：US4974472A

公开(公告)日：1990-12-04

申请号：US425362

申请日：1989-10-19

申请人： Sadanori Nishimura ,  Horishige Makita

发明人： Sadanori Nishimura ,  Horishige Makita

IPC分类号： B60K17/10

CPC分类号： B60K17/105 ,  Y10T74/19033 ,  Y10T74/19037

摘要： A hydraulic power transmission apparatus for reducing the speed of rotation of output from a power source and changing the speed of rotation thereof at a given transmission ratio, includes an oil pump having a drive shaft to which the power from the power source can be applied, the oil pump being drivable by the power from the power source, a pair of oil motors having output shafts, respectively, and associated with a pair of axles, respectively, the oil motors being drivable by hydraulic pressure generated by the oil pump, a pair of speed reducer mechanisms disposed between the outupt shafts of the oil motors and the axles for reducing the speeds of rotation of the output shafts, respectively, and transmitting the rotation of the output shafts to the axles, respectively, an inner case having a closed space defined therein, the oil pump and the oil motors being housing in the closed space, and a transmission case having a transmission chamber defined therein, the inner case and the speed reducer mechanisms being housed in the transmission case, the transmission case storing oil therein.

摘要翻译： 一种用于降低来自电源的输出转速和以给定传动比改变其旋转速度的液压动力传动装置，包括具有驱动轴的油泵，所述驱动轴能够施加来自所述动力源的动力， 油泵可以通过来自动力源的动力驱动，一对油马达分别具有输出轴并与一对轴相关联，油马达可以通过由油泵产生的液压驱动，一对 分别设置在油马达和轴之间的中间轴之间的减速机构，用于分别降低输出轴的旋转速度，并将输出轴的旋转传递给轴，内壳具有封闭空间 所述油泵和所述油马达被封闭在所述封闭空间中，以及具有限定在其中的传动室的变速箱，所述内壳和所述轴 减速机构容纳在变速器壳体中，变速箱在其中容纳油。