| 摘要 |
A driving force transmission device is provided. The device includes: a first differential unit (111A) and a second differential unit (111B). The first differential unit includes: first and second input shafts (114A,115A) connected to a first motor and a second motor, respectively, and a first output shaft (117A) connected to a first driven member. The second differential unit includes: third and fourth input shafts (114B,115B) connected to the first motor and the second motor, respectively, and a second output shaft (117B) connected to a second driven member. An angular speed of the first output shaft is a sum of a times a first angular speed of the first motor and b times the second angular speed of a second motor. An angular speed of the second output shaft is a sum of c times the first angular speed and d times the second angular speed. a, b, c and d satisfy a relation of ad-bc‰ 0.
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