Patents by Inventor Eun Tae Jeung

Eun Tae Jeung 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).

  • Apparatus for easing impact on boom of excavator and method of controlling the same
    Patent number: 7934377
    Abstract: An apparatus for easing an impact on a boom of an excavator and a method of controlling the same are disclosed, which can minimize the vibration occurring in the boom due to the impact on a boom cylinder by actively controlling an amount of hydraulic fluid being supplied to the boom cylinder when the operation of the boom cylinder is suddenly stopped due to an operator's sudden manipulation of an operation lever for a working device.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: May 3, 2011
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventors: Dong Soo Kim, Jae Hoon Lee, Chun Seung Lee, Jae Hong Kim, Joong Seon Joh, Eun Tae Jeung
  • Apparatus for easing impact on boom of excavator and method of controlling the same
    Publication number: 20080155977
    Abstract: An apparatus for easing an impact on a boom of an excavator and a method of controlling the same are disclosed, which can minimize the vibration occurring in the boom due to the impact on a boom cylinder by actively controlling an amount of hydraulic fluid being supplied to the boom cylinder when the operation of the boom cylinder is suddenly stopped due to an operator's sudden manipulation of an operation lever for a working device.
    Type: Application
    Filed: October 25, 2007
    Publication date: July 3, 2008
    Inventors: Dong Soo Kim, Jae Hoon Lee, Chun Seung Lee, Jae Hong Kim, Joong Seon Joh, Eun Tae Jeung