Patents by Inventor Fangfei XIONG

Fangfei XIONG 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).

  • Patent number: 10856710
    Abstract: A brushroll is provided. The brushroll includes a first roller and a second roller. The first roller and the second roller are arranged symmetrically in an axial direction of the brushroll. The first roller is provided with a plurality of first mounting grooves spaced apart and arranged along a circumference of the first roller. The second roller is provided with a plurality of second mounting grooves spaced apart and arranged along a circumference of the second roller. The brushroll includes first brush members inserted in the first mounting grooves and second brush members inserted in the second mounting grooves. A robot vacuum cleaner having the aforementioned brushroll is also provided.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: December 8, 2020
    Inventors: Hao Zheng, Fangfei Xiong, Xiaogang Xuan
  • Patent number: 10557478
    Abstract: A fan assembly for a robot vacuum cleaner and a robot vacuum cleaner are provided. The fan assembly includes an electric motor, a stator impeller, a rotor impeller and a fan cover. The stator impeller defines a shaft hole, the electric motor is mounted on a side of the stator impeller, and an output shaft of the electric motor passes through the shaft hole. The fan cover is mounted on another side of the stator impeller, and an end surface of the fan cover away from the stator impeller defines an air inlet. The rotor impeller is mounted to the output shaft of the electric motor and located between the fan cover and the stator impeller.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: February 11, 2020
    Inventors: Xiaowei Xu, Fangfei Xiong
  • Publication number: 20190368507
    Abstract: A fan assembly for a robot vacuum cleaner and a robot vacuum cleaner are provided. The fan assembly includes an electric motor, a stator impeller, a rotor impeller and a fan cover. The stator impeller defines a shaft hole, the electric motor is mounted on a side of the stator impeller, and an output shaft of the electric motor passes through the shaft hole. The fan cover is mounted on another side of the stator impeller, and an end surface of the fan cover away from the stator impeller defines an air inlet. The rotor impeller is mounted to the output shaft of the electric motor and located between the fan cover and the stator impeller.
    Type: Application
    Filed: September 12, 2018
    Publication date: December 5, 2019
    Inventors: Xiaowei Xu, Fangfei Xiong
  • Publication number: 20190307302
    Abstract: A brushroll is provided. The brushroll includes a first roller and a second roller. The first roller and the second roller are arranged symmetrically in an axial direction of the brushroll. The first roller is provided with a plurality of first mounting grooves spaced apart and arranged along a circumference of the first roller. The second roller is provided with a plurality of second mounting grooves spaced apart and arranged along a circumference of the second roller. The brushroll includes first brush members inserted in the first mounting grooves and second brush members inserted in the second mounting grooves. A robot vacuum cleaner having the aforementioned brushroll is also provided.
    Type: Application
    Filed: September 5, 2018
    Publication date: October 10, 2019
    Inventors: Hao ZHENG, Fangfei XIONG, Xiaogang XUAN