Patents by Inventor Yuqiang DAI

Yuqiang 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).

  • Gas wave refrigerator
    Patent number: 11149990
    Abstract: A gas wave refrigerator including a first end body; a second end body; a main body disposed between the first end body and the second end body; a first end cover; a hydraulic mandrel; a hydraulic oil inlet pipe; a hydraulic cylinder; a first single mechanical seal; a bushing; a nozzle rotator including two rows of nozzles; press plates disposed at two sides of the nozzle rotator; a main shaft; oscillation receiving tubes; a belt wheel; an embedded bearing seat; a second end cover; and a hydraulic balance device. The hydraulic balance device includes a hydraulic cylinder, a hydraulic mandrel, a seal ring, bearings, a piston, and a piston ring. The nozzle rotator and the press plates disposed at two sides of the nozzle rotator are installed on the main shaft.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 19, 2021
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Dapeng Hu, Che Zhu, Yuqiang Dai, Peiqi Liu, Yang Yu, Jiupeng Zou, Dawei Zhang, Runjie Liu
  • GAS WAVE REFRIGERATOR
    Publication number: 20190162452
    Abstract: A gas wave refrigerator including a first end body; a second end body; a main body disposed between the first end body and the second end body; a first end cover; a hydraulic mandrel; a hydraulic oil inlet pipe; a hydraulic cylinder; a first single mechanical seal; a bushing; a nozzle rotator including two rows of nozzles; press plates disposed at two sides of the nozzle rotator; a main shaft; oscillation receiving tubes; a belt wheel; an embedded bearing seat; a second end cover; and a hydraulic balance device. The hydraulic balance device includes a hydraulic cylinder, a hydraulic mandrel, a seal ring, bearings, a piston, and a piston ring. The nozzle rotator and the press plates disposed at two sides of the nozzle rotator are installed on the main shaft.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 30, 2019
    Inventors: Dapeng HU, Che ZHU, Yuqiang DAI, Peiqi LIU, Yang YU, Jiupeng ZOU, Dawei ZHANG, Runjie LIU