Patents by Inventor Tianyun Zhao

Tianyun Zhao 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).

  • Publication number: 20110240380
    Abstract: A sunshine angle adjustable solar energy electric wheel chair, a solar energy cell is mounted on the electric wheel chair so as to charge up a storage battery, left and right horizontal pipes for mounting the cell are supported by four lifted stand pipes, the height of the lifted stand pipes is adjusted, i.e. the sunshine angle may be adjusted at six azimuth, so that the charging current is maximized.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 6, 2011
    Inventors: Tianyun Zhao, Le jun Su, Xiaofeng Zhao
  • Publication number: 20100193262
    Abstract: A light power-saving foldable electric wheelchair having a solar energy charging unit, A hand direction operation unit is fixed on a left elbow (10) to operate the concrete running direction of the electric wheelchair. The left and right rear wheels (3) are integrated with the motors (30) respectively, so as the two motors (30) can directly drive the two rear wheels (3). Two disc brakes (20) are installed on the left and right rear wheels (3), the two disc brakes (20) are connected to a brake handle (15) via the main steel wires (24), by means of the single hand pull brake handle (15), the left and right rear wheels (3) braked simultaneously. A solar energy battery plate (36) is installed at the upside of the wheelchair, the accumulator cell is supplied by the solar energy battery plate (36). And a cross foldable device (1.4˜1.48) is provided in the wheelchair frame (1).
    Type: Application
    Filed: December 25, 2007
    Publication date: August 5, 2010
    Inventor: Tianyun Zhao
  • Patent number: 7624826
    Abstract: The present invention relates to a kind of portable power-saving and foldable electric wheel chair, characterized in that there is a hand control direction device on the left elbow 10 to control the specific running direction of the electric wheel chair; the left and right rear wheels 3 are integrated with the motors 30 respectively, so as the two motors 30 can directly drive the two rear wheels; two disc brakes 20 are installed on the left and right rear wheels 3, the two disc brakes are connected to the brake handle 15 via the main steel string 24, by means of a single hand press brake handle 15, the two rear wheels 3 braked simultaneously; switches 18 for positive or inversion running control the main running direction of electric wheel chair; an intellectual control rod may also be installed on the right elbow 12 to replace the speed-adjusting turning handle 14 and switches 18 for positive or inversion running.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: December 1, 2009
    Inventor: Tianyun Zhao
  • Publication number: 20070040349
    Abstract: The present invention relates to a kind of portable power-saving and foldable electric wheel chair, characterized in that there is a hand control direction device on the left elbow 10 to control the specific running direction of the electric wheel chair; the left and right rear wheels 3 are integrated with the motors 30 respectively, so as the two motors 30 can directly drive the two rear wheels; two disc brakes 20 are installed on the left and right rear wheels 3, the two disc brakes are connected to the brake handle 15 via the main steel string 24, by means of a single hand press brake handle 15, the two rear wheels 3 braked simultaneously; switches 18 for positive or inversion running control the main running direction of electric wheel chair; an intellectual control rod may also be installed on the right elbow 12 to replace the speed-adjusting turning handle 14 and switches 18 for positive or inversion running.
    Type: Application
    Filed: June 1, 2006
    Publication date: February 22, 2007
    Inventor: Tianyun ZHAO
  • Patent number: D991546
    Type: Grant
    Filed: February 21, 2021
    Date of Patent: July 4, 2023
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Zhi Yuan, Yongli Fu, Tianyun Zhao, Zhongli Xu, Yonghai Li
  • Patent number: D1029358
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: May 28, 2024
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Tianyun Zhao, Zhongli Xu, Yonghai Li
  • Patent number: D1056331
    Type: Grant
    Filed: June 19, 2023
    Date of Patent: December 31, 2024
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Zhi Yuan, Yongli Fu, Tianyun Zhao, Zhongli Xu, Yonghai Li