Patents by Inventor Feihang LI

Feihang LI 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).

  • Heat exchanger and gas-fired furnace comprising the same
    Patent number: 9372011
    Abstract: A heat exchanger and a gas-fired furnace including the same are provided. The heat exchanger includes at least two heat exchange shell enclosures; and at least three rows of heat exchange tubes arranged along a furnace air flow path. Each of the heat exchange tubes defines a leaving-tube-end and an entering-tube-end, two adjacent rows are spaced from each other, the at least three rows of heat exchange tubes are connected in a leaving-tube-end to entering-tube-end fashion sequentially via the at least two heat exchange shell enclosures to define a substantially serpentine flue gas passage.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: June 21, 2016
    Assignee: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
    Inventors: Chaojing Chen, Jianmin Zhang, Junhua He, Feihang Li
  • HEAT EXCHANGER AND GAS-FIRED FURNACE COMPRISING THE SAME
    Publication number: 20140174424
    Abstract: A heat exchanger and a gas-fired furnace including the same are provided. The heat exchanger includes at least two heat exchange shell enclosures; and at least three rows of heat exchange tubes arranged along a furnace air flow path. Each of the heat exchange tubes defines a leaving-tube-end and an entering-tube-end, two adjacent rows are spaced from each other, the at least three rows of heat exchange tubes are connected in a leaving-tube-end to entering-tube-end fashion sequentially via the at least two heat exchange shell enclosures to define a substantially serpentine flue gas passage.
    Type: Application
    Filed: December 3, 2013
    Publication date: June 26, 2014
    Applicant: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
    Inventors: Chaojing CHEN, Jianmin ZHANG, Junhua HE, Feihang LI