Patents by Inventor Hyun Ju Kwag

Hyun Ju Kwag 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
    Patent number: 8424333
    Abstract: An air conditioner is provided. The air conditioner includes: an outdoor heat exchange unit in which a plurality of refrigerant tubes are disposed to be separated in a plurality of columns in a vertical direction to exchange heat of outdoor air and a refrigerant; a first refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of an upper part among the plurality of refrigerant tubes; a second refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of a lower part among the plurality of refrigerant tubes; and a communication pipe for communicating one of the branch pipes of the first refrigerant distribution device and one of the branch pipes of the second refrigerant distribution device.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: April 23, 2013
    Assignee: LG Electronics Inc.
    Inventors: Pil Hyun Yoon, Hyun Ju Kwag, Seok Hoon Jang
  • Air Conditioner
    Publication number: 20110041541
    Abstract: An air conditioner is provided. The air conditioner includes: an outdoor heat exchange unit in which a plurality of refrigerant tubes are disposed to be separated in a plurality of columns in a vertical direction to exchange heat of outdoor air and a refrigerant; a first refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of an upper part among the plurality of refrigerant tubes; a second refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of a lower part among the plurality of refrigerant tubes; and a communication pipe for communicating one of the branch pipes of the first refrigerant distribution device and one of the branch pipes of the second refrigerant distribution device.
    Type: Application
    Filed: April 13, 2010
    Publication date: February 24, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Pil Hyun Yoon, Hyun Ju Kwag, Seok Hoon Jang