Patents by Inventor Yifeng Zhao

Yifeng 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).

  • Fire extinguishing system for battery pack
    Patent number: 11541258
    Abstract: The present invention discloses a fire extinguishing system for a battery pack, including a detection control apparatus, a fire suppression apparatus, and a hydrant water extinguishing apparatus. The detection control apparatus is disposed inside or outside a battery pack. The fire suppression apparatus and the hydrant water extinguishing apparatus are disposed outside the battery pack. The detection control apparatus is connected to the fire suppression apparatus. The hydrant water extinguishing apparatus is connected to the fire suppression apparatus. Beneficial effects: It is ensured that initial fire can be suppressed and later reignition can be resolved, so that fire extinguishing is adequate. Fire is directly extinguished at a core position inside the battery pack. An exhaust filter device gains valuable time after initial fire extinguishing.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 3, 2023
    Assignee: YANTAI CHUNGWAY NEW ENERGY TECHNOLOGY CO., LTD.
    Inventors: Lilei Zhang, Yifeng Zhao, Mingming Li, Yanwei Bi, Zhaojun Li, Xiaotong Shi
  • FIRE EXTINGUISHING SYSTEM FOR BATTERY PACK
    Publication number: 20220193471
    Abstract: The present invention discloses a fire extinguishing system for a battery pack, including a detection control apparatus, a fire suppression apparatus, and a hydrant water extinguishing apparatus. The detection control apparatus is disposed inside or outside a battery pack. The fire suppression apparatus and the hydrant water extinguishing apparatus are disposed outside the battery pack. The detection control apparatus is connected to the fire suppression apparatus. The hydrant water extinguishing apparatus is connected to the fire suppression apparatus. Beneficial effects: It is ensured that initial fire can be suppressed and later reignition can be resolved, so that fire extinguishing is adequate. Fire is directly extinguished at a core position inside the battery pack. An exhaust filter device gains valuable time after initial fire extinguishing.
    Type: Application
    Filed: December 23, 2020
    Publication date: June 23, 2022
    Inventors: Lilei Zhang, Yifeng Zhao, Mingming Li, Yanwei Bi, Zhaojun Li, Xiaotong Shi