Patent ID: 9638291
Date: 2017-05-02
CPC Classifications: F16H

Claim:
1. A transmission comprising: an input; an output; a first simple planetary gear set having a first sun gear fixedly coupled to the input, a first carrier, and a first ring gear, and at least one planet gear supported for rotation with respect to the first carrier and meshing with the first sun gear and the first ring gear; a second simple planetary gear set having a second sun gear, a second carrier fixedly coupled to the output, and a second ring gear; a third simple planetary gear set having a third sun gear fixedly coupled to the second sun gear, a fourth sun gear, a third carrier, and a third ring gear fixedly coupled to the output; a first shift element configured to selectively couple the first carrier to the second ring gear; a third shift element configured to selectively hold the fourth sun gear against rotation; and a fifth shift element configured to selectively couple the input to the third carrier.