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Power transmission system and vehicle comprising the same

  • US 9,874,266 B2
  • Filed: 03/11/2015
  • Issued: 01/23/2018
  • Est. Priority Date: 09/10/2014
  • Status: Active Grant
First Claim
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1. A power transmission system for a vehicle, comprising:

  • an engine;

    a plurality of input shafts, at least one of the input shafts being configured to selectively engage with the engine, each of the input shafts being provided with a shift driving gear thereon;

    a plurality of output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear;

    a motor power shaft configured to rotate together with one of the input shafts;

    a first motor generator configured to rotate together with the motor power shaft, wherein when the motor power shaft rotates together with the one of the input shafts, the first motor generator uses at least a part of power output by the engine to generate electric power when the vehicle is parking or running;

    a reverse gear freely fitted over the motor power shaft; and

    a reverse idler gear configured to mesh with the reverse gear, wherein the reverse gear is configured as a duplex gear, the duplex gear comprising a first part meshed with the reverse idler gear and a second part meshed with a driven gear of a main reducer of the vehicle.

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