Patents by Inventor Ziqiang LIANG

Ziqiang LIANG 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).

  • Refrigeration cycle device
    Patent number: 10605492
    Abstract: A refrigeration cycle device includes at least a condenser, an expansion valve, an evaporator and a plurality of compressors, a sealed casing of each of the compressors is disposed with a rotary compression mechanism part in communication with a low-pressure path and a motor part configured to drive the compression mechanism part, the low-pressure path is in communication with the evaporator, each of the compressors is further provided with an oil storage cavity, and a gas discharge path of at least one compressor is connected with the sealed casing of another compressor.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: March 31, 2020
    Assignee: Guangdong Meizhi Compressor Co., Ltd.
    Inventors: Masao Ozu, Weimin Xiang, Jijiang Yu, Hong Guo, Cheng Zhang, Ziqiang Liang, Ling Wang, Liang Zhong, Lili Yan
  • REFRIGERATION CYCLE DEVICE
    Publication number: 20170284706
    Abstract: A refrigeration cycle device includes at least a condenser, an expansion valve, an evaporator and a plurality of compressors, a sealed casing of each of the compressors is disposed with a rotary compression mechanism part in communication with a low-pressure path and a motor part configured to drive the compression mechanism part, the low-pressure path is in communication with the evaporator, each of the compressors is further provided with an oil storage cavity, and a gas discharge path of at least one compressor is connected with the sealed casing of another compressor.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 5, 2017
    Applicant: Guangdong Meizhi Compressor Co., Ltd.
    Inventors: Masao OZU, Weimin XIANG, Jijiang YU, Hong GUO, Cheng ZHANG, Ziqiang LIANG, Ling WANG, Liang ZHONG, Lili YANG