Patents by Inventor DU-CHENG CAI

DU-CHENG CAI 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: 12005282
    Abstract: The present invention discloses an automatic safeguard bottle system comprising one or more bottle which are provided with bottle valves, the bottle valves are connected with an electronic control device which can realize signal transmission with the controller, the electronic control device is opened by the controller, so that the gas in the upper cavity is discharged outward, the pressure of the upper cavity decreases, and the piston moves upward, so as to realize the automatic opening of the valve port, the medium in the bottle is released outward through the nozzle, the electronic control device is closed by the controller, and the piston moves down and reset, so as to realize the automatic closing of the valve port and stop the nozzle releasing the medium. The present invention has the functions of automatic starting and resetting, thereby realizing multiple medium releasing. The present invention also discloses an automatic control method of an automatic safeguard bottle system.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: June 11, 2024
    Inventors: Hai-Bo Li, Du-Cheng Cai
  • Publication number: 20200197735
    Abstract: The present invention discloses an automatic security cylinder system comprising one or more cylinder which are provided with cylinder valves, the cylinder valves are connected with an electronic control device which can realize signal transmission with the controller, the electronic control device is opened by the controller, so that the gas in the upper cavity is discharged outward, the pressure of the upper cavity decreases, and the piston moves upward, so as to realize the automatic opening of the valve port, the medium in the cylinder is released outward through the nozzle, the electronic control device is closed by the controller, and the piston moves down and reset, so as to realize the automatic closing of the valve port and stop the nozzle releasing the medium. The present invention has the functions of automatic starting and resetting, thereby realizing multiple medium releasing. The present invention also discloses an automatic control method of an automatic security cylinder system.
    Type: Application
    Filed: April 3, 2018
    Publication date: June 25, 2020
    Inventors: HAI-BO LI, DU-CHENG CAI