Powertrains and Vehicles
A power drive and power shaft technology, which is applied to power units, vehicle components, pneumatic power units, etc., can solve the problems of low transmission efficiency, low transmission efficiency, and few transmission modes.
Active Publication Date: 2020-10-23
BYD CO LTD
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Problems solved by technology
[0003] However, in the relevant technologies known to the inventor, the transmissions in hybrid vehicles are generally complex in structure, with few transmission modes and low transmission efficiency.
In addition, the transmissions in traditional hybrid vehicles are mostly five-speed or six-speed, and the transmission efficiency is not high.
Method used
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[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0032] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...
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The invention discloses a power driving system and a vehicle. The power driving system comprises a plurality of input shafts, a plurality of output shafts and an auxiliary output shaft, wherein an engine can be in joint with at least one of the multiple input shafts, and a gear-position driving gear is arranged on each input shaft; a gear-position driven gear is arranged on each output shaft, anda gear part is arranged on one side of one of the gear-position driven gears, so that a dual gear is formed; a plurality of auxiliary gear-position driven gears are arranged on the auxiliary output shaft, and the rotating directions of each auxiliary gear-position driven gear and the correspondingly linked gear-position driven gear are the same; and a reverse-gear output gear and a reverse-gear synchronizer are arranged on the auxiliary output shaft in an empty sleeving mode, and the reverse-gear output gear meshes with the gear part. The power driving system has a plurality (taking ten as anexample) of forward gear positions, so that power is smoother during transmitting, and transmission efficiency is high; and requirements for power and torque by the vehicle under different road conditions can be better met through the multiple (taking ten as an example) different transmission ratios.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to a power drive system and a vehicle. Background technique [0002] With the continuous consumption of energy, the development and utilization of new energy vehicles has gradually become a trend. As one of the new energy vehicles, a hybrid vehicle is driven by an engine and / or an electric motor, and has multiple modes, which can improve transmission efficiency and fuel economy. [0003] However, in the relevant technologies known to the inventor, the transmissions in hybrid vehicles generally have complex structures, few transmission modes, and low transmission efficiency. In addition, the transmissions in traditional hybrid vehicles are mostly five-speed or six-speed, and the transmission efficiency is not high. Contents of the invention [0004] The present invention aims to solve one of the above-mentioned technical problems in the prior art at least to a certain extent....
Claims
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IPC IPC(8): B60K6/36
Inventor 刘静华煜柴领道
Owner BYD CO LTD