Patents by Inventor Shibo Dong

Shibo Dong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drive system of an electric vehicle
    Patent number: 8650979
    Abstract: A drive system of an electric vehicle includes a drive motor, a transmission and a hydraulic system. The transmission has an input shaft, a countershaft, an output shaft, a first transmission unit placed between the countershaft and the output shaft, a first clutch, a second transmission unit placed between the countershaft and the input shaft, and a second clutch. The drive motor is attached to the input shaft, which is attached to the countershaft to provide power of the drive motor to the countershaft; the first clutch is configured for linking or cutting off the power transmission between the countershaft and the first transmission unit; and the second clutch is configured for linking or cutting off the power transmission between the countershaft and the second transmission unit. The first transmission unit has a first transmission ratio greater than a second transmission ratio of the second transmission unit.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: February 18, 2014
    Assignee: BYD Company Limited
    Inventors: Yi Ren, Ruru Niu, Zhengguang Han, Zhouping Tang, Wei Li, Feng Ke, Shenglin Yang, Shibo Dong
  • DRIVE SYSTEM OF AN ELECTRIC VEHICLE
    Publication number: 20120073394
    Abstract: A drive system of an electric vehicle includes a drive motor, a transmission and a hydraulic system. The transmission has an input shaft, a countershaft, an output shaft, a first transmission unit placed between the countershaft and the output shaft, a first clutch, a second transmission unit placed between the countershaft and the input shaft, and a second clutch. The drive motor is attached to the input shaft, which is attached to the countershaft to provide power of the drive motor to the countershaft; the first clutch is configured for linking or cutting off the power transmission between the countershaft and the first transmission unit; and the second clutch is configured for linking or cutting off the power transmission between the countershaft and the second transmission unit. The first transmission unit has a first transmission ratio greater than a second transmission ratio of the second transmission unit.
    Type: Application
    Filed: September 26, 2011
    Publication date: March 29, 2012
    Inventors: Yi REN, Ruru Niu, Zhengguang Han, Zhouping Tang, Wei Li, Feng Ke, Shenglin Yang, Shibo Dong