Patents by Inventor Chanjoo MAENG

Chanjoo MAENG 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).

  • Publication number: 20110308270
    Abstract: The present invention relates to a dual air conditioner for a vehicle, which includes a rear high-temperature pipe that is connected to a rear expansion valve of a rear air conditioner and installed in such a way as to be directly branched from a dual pipe type internal heat exchanger of a front air conditioner, thereby reducing the number of required components and simplifying the manufacturing process with no need to use a connector for branching the rear high-temperature pipe from the front air conditioner, and enhancing a refrigerant movement and reducing material expenses and working process by simplifying piping work and a piping route.
    Type: Application
    Filed: May 19, 2011
    Publication date: December 22, 2011
    Inventors: Chanjoo MAENG, Jaewon Jeong, Yongnam Ahn, Jongsu Kim