发明申请
US20060229153A1 Electrically variable transmission having two planetary gear sets with one stationary member and clutched input 失效
具有两个具有一个固定构件和离合输入的行星齿轮组的电动变速器

Electrically variable transmission having two planetary gear sets with one stationary member and clutched input
摘要:
The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged in combinations of two or three to yield an EVT with a continuously variable range of speeds (including reverse) and three mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.
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