Eleven-gear transmission based on planetary gear train
A technology for planetary gear trains and transmissions, applied in vehicle gearboxes, gear transmissions, components with teeth, etc., can solve problems such as fuel economy, responsiveness, and stability limitations, and improve power transmission performance and fuel economy, simple structure and optimized speed ratio
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[0079] The realization of more and more optimized gear functions of the transmission depends on the planetary gear train, and the combination form of the planetary gear, especially the selection of the planetary gear, the position setting and layout of the power transmission components, make the overall planetary gear train have different characteristics. Therefore, it is necessary to improve the planetary gear train with fewer components, more gears, higher efficiency and lower cost to meet the vehicle's requirements on transmission durability, power transmission efficiency, and size. The core of the present invention is to provide a multi-speed transmission based on a planetary gear train, which includes four planetary rows, eight torque-transmitting device mechanisms or control units, and seven shift assemblies including clutches and brakes, capable of providing At least eleven forward gears and at least two reverse gears.
[0080] In order to illustrate the technical solu...
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