Patents by Inventor Yifeng DAI

Yifeng DAI 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).

  • Reset mechanism for electronic throttle body
    Patent number: 11293356
    Abstract: A reset mechanism for an electronic throttle body comprising a valve, a throttle shaft, a reset gear, an upper spring seat, a lower spring seat, and a reset spring. A support leg is installed in the reset gear. The upper spring seat, the reset spring, and the lower spring seat are sleeved outside the reset gear. Two ends of the reset spring are fixed to the upper spring seat and the lower spring seat, respectively. The upper spring seat has an upper support leg surface attached to a first side of a valve limiting block and a side of the support leg. The lower spring seat has a lower support leg surface attached to a second side of the valve limiting block and another side of the support leg.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: April 5, 2022
    Assignee: Shanghai Auzone Auto Parts Manufacturing Co., Ltd.
    Inventors: Yifeng Dai, Xiaofeng Sun, Jian Chen, Jie Xu, Xinxun Ye
  • RESET MECHANISM FOR ELECTRONIC THROTTLE BODY
    Publication number: 20210340920
    Abstract: A reset mechanism for an electronic throttle body comprising a valve, a throttle shaft, a reset gear, an upper spring seat, a lower spring seat, and a reset spring. A support leg is installed in the reset gear. The upper spring seat, the reset spring, and the lower spring seat are sleeved outside the reset gear. Two ends of the reset spring are fixed to the upper spring seat and the lower spring seat, respectively. The upper spring seat has an upper support leg surface attached to a first side of a valve limiting block and a side of the support leg. The lower spring seat has a lower support leg surface attached to a second side of the valve limiting block and another side of the support leg.
    Type: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Inventors: Yifeng DAI, Xiaofeng SUN, Jian CHEN, Jie XU, Xinxun YE