Patents by Inventor Haijun Man

Haijun Man 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: 11973324
    Abstract: Provided in the present utility model is a flameproof surge protector, including: a surge protector main body, a flameproof enclosure, a flameproof stopper plug, and a flameproof cable gland. One end of the flameproof enclosure is connected to the flameproof stopper plug, and the other end thereof is connected to the flameproof cable gland. The surge protector main body has an elongated shape and is disposed inside the flameproof enclosure, and a cable is drawn out of the surge protector main body by means of the flameproof cable gland. The flameproof surge protector provided by the present utility model has a simple structure and small size, can be used easily and installed inside an explosion-proof lamp, further protects a circuit inside the lamp, prevents the circuit from being damaged by surges, and is safe and reliable.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: April 30, 2024
    Assignee: Eaton Intelligent Power Limited
    Inventors: Chunhuai Wang, Haijun Man, Yuru Li, Rotton Lu
  • Patent number: 11940137
    Abstract: The explosion-proof lamp provided includes a light source cavity and a drive cavity independent of each other. The drive cavity is has a power driver and a junction box, is connected to the light source cavity via a conducting wire, and drives and controls a light source in the light source cavity to be turned on. The light source cavity includes a heat sink, a glass cover, and the light source. The glass cover and the heat sink are connected to form the cavity, and the light source is mounted in the cavity. The heat sink includes a heat dissipation bottom plate and a plurality of heat dissipation fins annularly mounted on the heat dissipation bottom plate, absorbs heat generated in the light source cavity, and dissipates the heat into an external environment.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: March 26, 2024
    Assignee: Eaton Intelligent Power Limited
    Inventors: Chunhuai Wang, Haijun Man, Yuru Li, Rotton Lu
  • Publication number: 20230071049
    Abstract: The explosion-proof lamp provided includes a light source cavity and a drive cavity independent of each other. The drive cavity is has a power driver and a junction box, is connected to the light source cavity via a conducting wire, and drives and controls a light source in the light source cavity to be turned on. The light source cavity includes a heat sink, a glass cover, and the light source. The glass cover and the heat sink are connected to form the cavity, and the light source is mounted in the cavity. The heat sink includes a heat dissipation bottom plate and a plurality of heat dissipation fins annularly mounted on the heat dissipation bottom plate, absorbs heat generated in the light source cavity, and dissipates the heat into an external environment.
    Type: Application
    Filed: January 22, 2021
    Publication date: March 9, 2023
    Inventors: Chunhuai Wang, Haijun Man, Yuru Li
  • Publication number: 20230073865
    Abstract: Provided in the present utility model is a flameproof surge protector, including: a surge protector main body, a flameproof enclosure, a flameproof stopper plug, and a flameproof cable gland. One end of the flameproof enclosure is connected to the flameproof stopper plug, and the other end thereof is connected to the flameproof cable gland. The surge protector main body has an elongated shape and is disposed inside the flameproof enclosure, and a cable is drawn out of the surge protector main body by means of the flameproof cable gland. The flameproof surge protector provided by the present utility model has a simple structure and small size, can be used easily and installed inside an explosion-proof lamp, further protects a circuit inside the lamp, prevents the circuit from being damaged by surges, and is safe and reliable.
    Type: Application
    Filed: January 22, 2021
    Publication date: March 9, 2023
    Inventors: Chunhuai Wang, Haijun Man, Yuru Li