Three planet row automatic transmission and vehicle

Three planet row automatic transmission and vehicle

  • CN 108,194,587 A
  • Filed: 12/29/2017
  • Published: 06/22/2018
  • Est. Priority Date: 12/29/2017
  • Status: Active Application
First Claim
Patent Images

1. a kind of three planet row automatic transmission, which is characterized in that including input link and output link, along same axis of rotationIt is arranged in order first, second, third planet row of setting, first, second, third clutch and first, second, third brakingDevice;

  • Wherein, sun gear, the first rear sun gear, the first gear ring, first planet carrier and the before first planet row includes firstOne planetary gear set, second planet row include the second sun gear, the second gear ring, the second planet carrier and the second planetary gear set, instituteIt states third planet row and includes third sun gear, third gear ring, third planet carrier and the third line star-wheel group;

    The input link is fixedly connected with second sun gear, and the output link is fixed with the third planet carrier to be connectedIt connecing, second planet carrier is fixedly connected with the third gear ring, and first gear ring is fixedly connected with the third planet carrier,The third sun gear is fixed,First brake, which selectively closes off, brakes first rear sun gear, and the second brake selectively closesClosing sun gear braking, the third brake will selectively close off the first planet carrier and the second gear ring before described firstIt brakes simultaneously,First rear sun gear is connect by the first clutch with the input link, and the first planet carrier passes through instituteIt states second clutch to connect with second sun gear, the first planet carrier passes through the third clutch and second toothCircle connection.

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