Patents by Inventor Zengwu Qing

Zengwu Qing 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 apparatus
    Patent number: 11112156
    Abstract: A refrigeration apparatus, comprising: a compressor, the compressor being provided with an air exhaust opening and an air return opening; a condenser, a first end of the condenser being connected to the air exhaust opening; an evaporator, a first end of the evaporator being connected to the air return opening, a throttling element being connected in series between a second end of the evaporator and a second end of the condenser; a first control valve, the first control valve being connected in series between the evaporator and the compressor; an air suction device, a gas port of the air suction device being connected between the first control valve and the air return opening; and a control device, the control device being connected to the compressor, the first control valve, and the air suction device.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: September 7, 2021
    Assignees: HEFEI HUALING CO., LTD., HEFEI MIDEA REFRIGERATOR CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Gaowei Xu, Huawei Zhang, Zengwu Qing, Rui Wang
  • REFRIGERATION APPARATUS
    Publication number: 20200064039
    Abstract: A refrigeration apparatus, comprising: a compressor, the compressor being provided with an air exhaust opening and an air return opening; a condenser, a first end of the condenser being connected to the air exhaust opening; an evaporator, a first end of the evaporator being connected to the air return opening, a throttling element being connected in series between a second end of the evaporator and a second end of the condenser; a first control valve, the first control valve being connected in series between the evaporator and the compressor; an air suction device, a gas port of the air suction device being connected between the first control valve and the air return opening; and a control device, the control device being connected to the compressor, the first control valve, and the air suction device.
    Type: Application
    Filed: October 31, 2016
    Publication date: February 27, 2020
    Inventors: Gaowei XU, Huawei ZHANG, Zengwu QING, Rui WANG
  • LIQUID RESERVOIR ASSEMBLY FOR REFRIGERATING SYSTEM, REFRIGERATING SYSTEM HAVING SAME AND FREEZER
    Publication number: 20180231285
    Abstract: A liquid reservoir assembly for a refrigerating system, a refrigerating system having the same and a freezer are provided. The liquid reservoir assembly for the refrigerating system includes: a liquid reservoir having a gas inlet and a gas outlet; a gas input pipe connected to the gas inlet of the liquid reservoir; a gas output pipe connected to the gas outlet of the liquid reservoir; and a capillary attached to the gas input pipe and/or the gas output pipe, and wound around an outer wall of the liquid reservoir.
    Type: Application
    Filed: April 13, 2018
    Publication date: August 16, 2018
    Inventors: Gaowei XU, Huawei Zhang, Zengwu Qing