Patents by Inventor Ji Heon Pyeong

Ji Heon Pyeong 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).

  • Patent number: 7278180
    Abstract: A device for protecting a motor in a vacuum cleaner is provided. The device includes a lower casing for forming a lower portion of a main body of the cleaner, a motor housing, which is installed in the lower casing and includes the driving motor therein and an upper portion of which is opened upwardly, a filtering device installed onto the lower casing for filtering out foreign materials from introduced air, and an intermediate cover integrally formed with a first cover portion positioned onto an upper portion of the filtering device and a second cover portion for covering the upper portion of the motor housing. Further, a pressure switch for sensing pressure within the motor housing and a damper for introducing external air into the motor housing when the pressure within the motor housing is lowered below a predetermined pressure value are directly installed onto the second cover portion of the intermediate cover.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: October 9, 2007
    Assignee: LG Electronics Inc.
    Inventor: Ji Heon Pyeong
  • Publication number: 20040049880
    Abstract: A device for protecting a motor in a vacuum cleaner is provided which includes a lower casing for forming a lower portion of a main body of the cleaner; a motor housing which is installed in the lower casing and includes the driving motor therein, and of which an upper portion is opened upwardly; a filtering means installed onto the lower casing for filtering out foreign materials from introduced air; and an intermediate cover integrally formed with a first cover portion positioned onto an upper portion of the filtering means and a second cover portion for covering the upper portion of the motor housing. Further, a pressure switch for sensing pressure within the motor housing and a damper for introducing external air into the motor housing when the pressure within the motor housing is lowered below a predetermined pressure value are directly installed onto the second cover portion of the intermediate cover.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 18, 2004
    Applicant: LG Electronics Inc.
    Inventor: Ji Heon Pyeong