Patents by Inventor Yanfu XU

Yanfu XU 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).

  • Automatic constant pressure device for hub tire system
    Patent number: 10953705
    Abstract: The invention provides an automatic constant pressure device for a hub tire system. The device comprises a valve nozzle, air pipes, valves, a pneumatic slip ring, a hub, a pressure relief valve, a tire, a main shaft, an air storage tank, a vehicle-mounted air source and the like. Two valve holes are machined in the hub of the device. The valve nozzle with a tire pressure sensor is installed at one valve hole, and the pressure relief valve is installed at the other valve hole. The tire pressure is detected by the tire pressure sensor. The valve is controlled to inflate through the valve nozzle, and the pressure relief valve is controlled to relieve the pressure. The device has the characteristics of scientific detection principle, simple and reasonable structure and the like.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: March 23, 2021
    Assignee: CITIC Dicastal Co., Ltd.
    Inventors: Jinqi Lyu, Zhipeng Li, Hanbao Sun, Hongfu Jin, Yanfu Xu, Yingfeng Wang, Chunhai Liu, Zhihua Zhu
  • AUTOMATIC CONSTANT PRESSURE DEVICE FOR HUB TIRE SYSTEM
    Publication number: 20190257600
    Abstract: The invention provides an automatic constant pressure device for a hub tire system. The device comprises a valve nozzle, air pipes, valves, a pneumatic slip ring, a hub, a pressure relief valve, a tire, a main shaft, an air storage tank, a vehicle-mounted air source and the like. Two valve holes are machined in the hub of the device. The valve nozzle with a tire pressure sensor is installed at one valve hole, and the pressure relief valve is installed at the other valve hole. The tire pressure is detected by the tire pressure sensor. The valve is controlled to inflate through the valve nozzle, and the pressure relief valve is controlled to relieve the pressure. The device has the characteristics of scientific detection principle, simple and reasonable structure and the like.
    Type: Application
    Filed: August 2, 2018
    Publication date: August 22, 2019
    Inventors: Jinqi LYU, Zhipeng LI, Hanbao SUN, Hongfu JIN, Yanfu XU, Yingfeng WANG, Chunhai LIU, Zhihua ZHU