| 摘要 |
A CVT 5 that comprises of: a) two CVT 4's; b) a clutching system that can engage either one of said CVT 4's for torque transmission from an input to said CVT 5 to an output of said CVT 5; and c) a transmission. A CVT 5 is arranged so that when the transmission ratio of one CVT 4 is increased then the transmission ratio of the other CVT 4 decreases, and vice versa. Here by increasing the transmission ratio of one CVT 4 until it cannot be increased anymore, and then switching to the other CVT 4 to transmit torque through said clutching system and using said transmission to provide a smooth transmission ratio transition during switching from one CVT 4 to other CVT 4, the transmission ratio of the a CVT 5 can be continuously increased. And in the same manner continuously decreased.
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