Patents Assigned to Great Lakes Electric, LLC
  • System and method for retrofitting HVAC systems
    Patent number: 10655880
    Abstract: Systems and method for retrofitting heating, ventilation and air-conditioning (HVAC) systems with a variable speed electronically commutated motor (ECM) are provided. A speed setting controller is adapted to be connected with a furnace main control board and a motor controller, and provides detecting, speed setting, and control functions that are required to operate the ECM.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: May 19, 2020
    Assignee: Great Lakes Electric, LLC
    Inventors: Zheng Zhang, Steve J. Cook, Ze Jiang, Yifeng Yu
  • System and method for retrofitting HVAC systems
    Patent number: 10648687
    Abstract: Systems and method for retrofitting heating, ventilation and air-conditioning (HVAC) systems with a variable speed electronically commutated motor (ECM) are provided. A speed setting controller is adapted to be connected with a furnace main control board and a motor controller, and provides detecting, speed setting, and control functions that are required to operate the ECM.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 12, 2020
    Assignee: Great Lakes Electric, LLC
    Inventors: Zheng Zhang, Steve J. Cook, Ze Jiang, Yifeng Yu
  • System and method for retrofitting HVAC systems
    Patent number: 10627128
    Abstract: Systems and method for retrofitting heating, ventilation and air-conditioning (HVAC) systems with a variable speed electronically commutated motor (ECM) are provided. A speed setting controller is adapted to be connected with a furnace main control board and a motor controller, and provides detecting, speed setting, and control functions that are required to operate the ECM.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: April 21, 2020
    Assignee: Great Lakes Electric, LLC
    Inventors: Zheng Zhang, Steve J. Cook, Ze Jiang, Yifeng Yu