发明授权
US5904631A Dual electric motor drive with planetary gearing 失效
双电机驱动与行星齿轮传动

Dual electric motor drive with planetary gearing
摘要:
A power output apparatus (100) includes an engine (102), a double-pinion planetary gear (110), a first motor (MG1), and a second motor (MG2). A ring gear (114), a planetary carrier (126), and a sun gear (112) of the double-pinion planetary gear (110) are respectively linked with a crankshaft (104) of the engine (102), a drive shaft (108), and the first motor (MG1). The engine (102), the second motor (MG2), the double-pinion planetary gear (110), and the first motor (MG1) are arranged sequentially along an axis running from the front to the rear of a vehicle. The second motor (MG2) is required to output a greater torque than that of the first motor (MG1) and accordingly has a larger size. The second motor (MG2) is, however, disposed closer to the engine (102) and thereby has a sufficient margin in the diametral direction. This configuration reduces the size of the whole power output apparatus (100).
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