Patents by Inventor Guodong Cheung

Guodong Cheung 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: 10905298
    Abstract: A cleaning equipment is disclosed, which includes a housing, a moving assembly, a cleaning assembly and a cliff sensor, the cliff sensor being arranged on the housing, the moving assembly or the cleaning assembly; the cleaning assembly includes at least one first cleaning sub-assembly which includes an installing part, a first component and at least one second component; the first component and the second component extend outwards and rotate along with rotation of the installing part so as to stir dirt on the surface to be cleaned; the first component passes through the gap between the housing and the surface to be cleaned while rotating, while the second component does not pass through the gap while rotating. The cleaning equipment lowers frequency of blocking the cliff sensor from transmitting and receiving signal art, and improves detecting accuracy of the cliff sensor.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: February 2, 2021
    Assignee: SHENZHEN SILVER STAR INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Guodong Cheung, Changtai Har
  • Publication number: 20180317724
    Abstract: A cleaning equipment is disclosed, which includes a housing, a moving assembly, a cleaning assembly and a cliff sensor, the cliff sensor being arranged on the housing, the moving assembly or the cleaning assembly; the cleaning assembly includes at least one first cleaning sub-assembly which includes an installing part, a first component and at least one second component; the first component and the second component extend outwards and rotate along with rotation of the installing part so as to stir dirt on the surface to be cleaned; the first component passes through the gap between the housing and the surface to be cleaned while rotating, while the second component does not pass through the gap while rotating. The cleaning equipment lowers frequency of blocking the cliff sensor from transmitting and receiving signal art, and improves detecting accuracy of the cliff sensor.
    Type: Application
    Filed: January 15, 2018
    Publication date: November 8, 2018
    Inventors: Guodong Cheung, Changtai Har