Patents by Inventor Yoon Jel Hwang

Yoon Jel Hwang 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 for individual cooling/heating
    Patent number: 6393842
    Abstract: Air condition for individual cooling/heating including a front compartment and a rear compartment separated by a partition plate made of an insulating material for forced inlet and outlet of external air therethrough respectively, at least two heat exchanger parts each in upper parts of the front and rear compartments and lower parts of front and rear compartments for making heat exchange with external air passing through the front compartment and the rear compartment respectively, first drawing means and second drawing means mounted in an upper portion or a lower portion of the front compartment or the rear compartment respectively for forced circulation of the external air through respective compartments, and driving means for driving the first and second drawing means, each of the heat exchanger parts includes thermoelectric modules each connected to a power source for absorbing heat at a heat absorptive part and discharging the heat from a heat dissipative part provided opposite to the heat absorptive par
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: May 28, 2002
    Assignee: LG Electronics Inc.
    Inventors: Cheol Min Kim, Yoon Jel Hwang, Yun Ho Ryu
  • Air conditioner for individual cooling/heating
    Publication number: 20010005990
    Abstract: Air conditioner for individual cooling/heating including a front compartment and a rear compartment separated by a partition plate of an insulating material for forced inlet and outlet of external air therethrough respectively, at least two heat exchanger parts each in upper parts of the front and rear compartments and lower parts of front and rear compartments for making heat exchange with external air passing through the front compartment and the rear compartment respectively, first drawing means and second drawing means mounted in an upper portion or a lower portion of the front compartment or the rear compartment respectively for forced circulation of the external air through respective compartments, and driving means for driving the first and second drawing means, each of the heat exchanger parts includes thermoelectric modules each connected to a power source for absorbing a heat at a heat absorptive part and discharging the heat from a heat dissipative part provided opposite to the heat absorptive part
    Type: Application
    Filed: December 4, 2000
    Publication date: July 5, 2001
    Inventors: Cheol Min Kim, Yoon Jel Hwang, Yun Ho Ryu