Patents by Inventor Sang Bum Shon

Sang Bum Shon 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).

  • Cooling fan for microwave oven
    Patent number: 6911636
    Abstract: Disclosed is a cooling fan for a microwave oven, adapted for directing axially sucked airflow to be evenly distributed over a magnetron and a high voltage transformer. The cooling fan comprises a mixed flow fan having a specified hub angle, or an axial flow fan having optimized design parameters such as a ratio of an outer diameter of the fan to a width of a electric device chamber defined in a cabinet, a hub ratio, a sweep angle, a pitch angle, a maximum camber rate, etc.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: June 28, 2005
    Assignee: LG Electronics Inc.
    Inventor: Sang Bum Shon
  • Cooling fan for microwave oven
    Publication number: 20030121915
    Abstract: Disclosed is a cooling fan for a microwave oven, adapted for directing axially sucked airflow to be evenly distributed over a magnetron and a high voltage transformer. The cooling fan comprises a mixed flow fan having a specified hub angle, or an axial flow fan having optimized design parameters such as a ratio of an outer diameter of the fan to a width of a electric device chamber defined in a cabinet, a hub ratio, a sweep angle, a pitch angle, a maximum camber rate, etc.
    Type: Application
    Filed: June 6, 2002
    Publication date: July 3, 2003
    Inventor: Sang Bum Shon