Patents by Inventor Changu Chae

Changu Chae 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).

  • Air conditioner having six ports
    Patent number: 12287110
    Abstract: An air conditioner having six ports is described. The inner space of a casing having six inlet/outlets including a first discharge port, a second discharge port, a first outdoor air intake port, a second outdoor air intake port, and an interior air suction port is divided by a partition wall to form a first passage and a second passage. A waste heat recovery heat exchanger is provided between the first passage and the second passage. The air flow direction and the air volume can be controlled by using a direction change damper, a first air volume control damper, and a second air volume control damper.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: April 29, 2025
    Assignees: Korea Institute of Civil Engineering and Building Technology, Omnivent Corporation
    Inventors: Dongwoo Cho, Changu Chae, Kyungjoo Cho, Kwangsu Kim
  • Air Conditioner Having Six Ports
    Publication number: 20230175726
    Abstract: An air conditioner having six ports is described. The inner space of a casing having six inlet/outlets including a first discharge port, a second discharge port, a first outdoor air intake port, a second outdoor air intake port, and an interior air suction port is divided by a partition wall to form a first passage and a second passage. A waste heat recovery heat exchanger is provided between the first passage and the second passage. The air flow direction and the air volume can be controlled by using a direction change damper, a first air volume control damper, and a second air volume control damper.
    Type: Application
    Filed: August 27, 2021
    Publication date: June 8, 2023
    Inventors: Dongwoo Cho, Changu Chae, Kyungjoo Cho, Kwangsu Kim