Patents by Inventor Sang Min GWON

Sang Min GWON 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: 11401693
    Abstract: An embodiment of the present invention provides a regeneration system of energy released from a working implement, which includes an actuator configured to move up and down the working implement, an accumulator configured to communicate with the actuator, and a controller configured to receive a pressure value of the actuator and a pressure value of the accumulator to control a discharge operation of the accumulator based on a pressure difference value between the actuator and the accumulator.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: August 2, 2022
    Assignee: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: Dong Soo Kim, Tae Rang Jung, Sang Min Gwon
  • Publication number: 20220002964
    Abstract: An embodiment of the present invention provides a regeneration system of energy released from a working implement, which includes an actuator configured to move up and down the working implement, an accumulator configured to communicate with the actuator, and a controller configured to receive a pressure value of the actuator and a pressure value of the accumulator to control a discharge operation of the accumulator based on a pressure difference value between the actuator and the accumulator.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 6, 2022
    Inventors: Dong Soo KIM, Tae Rang JUNG, Sang Min GWON