Patents by Inventor Yunyun Zhao

Yunyun 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).

  • Direct drive system for passenger conveyer device and passenger conveyer device
    Patent number: 10118801
    Abstract: A direct-drive system for a passenger transportation apparatus, and a passenger transportation apparatus having same. The direct-drive system comprises: a motor comprising a motor output shaft, for providing power; a main drive shaft for transmitting the power to a passenger transportation portion of the passenger transportation apparatus; and a gear box comprising an input end connected to the motor output shaft and an output end connected to the main drive shaft respectively, and being used for transmitting the power, provided by the motor, to the main drive shaft, wherein the gear box comprises a plurality of gear pairs, and each of the gear pairs has a progressively decreasing gear slope along the direction from the input end of the gear box to the output end thereof.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: November 6, 2018
    Assignee: Otis Elevator Company
    Inventors: Jiangxing Huang, Fengshu Yue, Shimao Chen, Jie Hu, Jianguo Li, Hongmin Zhu, Jianye Yang, Jiawei Wu, Bingyin Cheng, Jinqi Yang, Yunyun Zhao
  • DIRECT DRIVE SYSTEM FOR PASSENGER CONVEYER DEVICE AND PASSENGER CONVEYER DEVICE
    Publication number: 20180118520
    Abstract: The present utility model provides a direct-drive system for a passenger transportation apparatus, and a passenger transportation apparatus having same. The direct-drive system comprises: a motor comprising a motor output shaft, for providing power; a main drive shaft for transmitting the power to a passenger transportation portion of the passenger transportation apparatus; and a gear box comprising an input end connected to the motor output shaft and an output end connected to the main drive shaft respectively, and being used for transmitting the power, provided by the motor, to the main drive shaft, wherein the gear box comprises a plurality of gear pairs, and each of the gear pairs has a progressively decreasing gear slope along the direction from the input end of the gear box to the output end thereof. The reliability of the entire set of direct-drive system is greatly improved.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 3, 2018
    Inventors: Jiangxing Huang, Fengshu Yue, Shimao Chen, Jie Hu, Jianguo Li, Hongmin Zhu, Jianye Yang, Jiawei Wu, Bingyin Cheng, Jinqi Yang, Yunyun Zhao