Patents by Inventor Jun-dong Ji

Jun-dong Ji 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).

  • Refrigerator with a device for opening/closing cool air discharge ports
    Patent number: 5987904
    Abstract: A refrigerator which has a device for opening/closing cool air discharge ports is disclosed. The device includes plates for opening/closing the ports, and an operation member having racks for driving the plates, and a motor for driving the operation member. The heat exchange between an evaporator and the outside warm air is prevented during the defrosting operation and when a door is open. Hence the cooling efficiency is enhanced and the frost caused by the outside warm air is not generated on the evaporated.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: November 23, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-in Kim, Jun-dong Ji
  • Refrigerator capable of preventing heat exchange between an evaporator and outside warm air
    Patent number: 5974814
    Abstract: A refrigerator which has a device for opening/closing cool air discharge ports is disclosed. The device includes plates for opening/closing the ports, and a driving device for driving the plates. The heat exchange between an evaporator and the outside warm air is prevented during the defrosting operation when a door is open. Hence the cooling efficiency is enhanced and the frost caused by the outside warm air is not generated on the evaporater.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: November 2, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-jong Park, Kyung-hoon Lee, Jun-dong Ji