Transmission unit, power transmission system and vehicle comprising the same
AssigneeBYD Company Limited
InventorsJintao Zhang, Yu Hua, Lingdao Chai, Jinhui Mu, Jing Liu
Life of this patent
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Abstract
A transmission unit includes: input shafts; output shafts configured to transmit with a corresponding input shaft via gears; a reverse output gear fitted over one output shaft; a reverse synchronizer; a reverse shaft configured to rotate together with a input shaft and a reverse output gear; a motor power shaft; a first and a second motor gears fitted over the motor power shaft; the second motor gear configured to rotate together with a shift driven gear; and a motor synchronizer. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
Claims24
A transmission unit for a vehicle, comprising:
- a plurality of input shafts, each of the input shafts having a shift driving gear thereon;
- a plurality of output shafts, each of the output shafts having a shift driven gear configured to mesh with a corresponding shift driving gear;
- a reverse output gear fitted over one of the output shafts;
- a reverse synchronizer configured to engage with the reverse output gear;
- a reverse shaft configured to rotate together with one of the input shafts and to rotate together with the reserve output gear;
- a motor power shaft;
- a first motor gear fitted over the motor power shaft;
- a second motor gear fitted over the motor power shaft and configured to rotate together with one of the shift driven gears;
- and
- a motor synchronizer disposed on the motor power shaft and between the first and second motor gears.
Dependencies are inferred from the claim text.