Patents by Inventor Man-Gon Kang

Man-Gon Kang 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: 8789559
    Abstract: A flow path switching valve includes a tube body including one or more inlets opened to communicate with a fluid supplying source and supplying fluid into an inside of the tube body, outlets opened at opposite sides to the respective inlets and selectively alternately discharging fluid from the inside of the tube body, drains opened at opposite ends and discharging operating fluid introduced through the outlet, and seat units respectively protrude on an inner circumference of the tube body between the inlet(s), outlets and drains. An operating rod, coaxially mounted in the tube body, includes spaced apart projection units and is connected to an operating unit at one end so as to reciprocate axially within the tube body responsive to the operating unit. Valve bodies are movably disposed on an outer circumference of the operating rod and are arranged between the respective projection units to face respective seat units.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: July 29, 2014
    Assignee: Hyosung Goodsprings, Inc.
    Inventors: Gi-Chul Jung, Sang-Gyu Jeon, Man-Gon Kang, Soon-Kwang Kwon, Hyeon-Cheol Choi
  • Publication number: 20120103449
    Abstract: A flow path switching valve includes a tube body including one or more inlets opened to communicate with a fluid supplying source and supplying fluid into an inside of the tube body, outlets opened at opposite sides to the respective inlets and selectively alternately discharging fluid from the inside of the tube body, drains opened at opposite ends and discharging operating fluid introduced through the outlet, and seat units respectively protrude on an inner circumference of the tube body between the inlet(s), outlets and drains. An operating rod, coaxially mounted in the tube body, includes spaced apart projection units and is connected to an operating unit at one end so as to reciprocate axially within the tube body responsive to the operating unit. Valve bodies are movably disposed on an outer circumference of the operating rod and are arranged between the respective projection units to face respective seat units.
    Type: Application
    Filed: October 25, 2011
    Publication date: May 3, 2012
    Applicant: Hyosung Goodsprings, Inc.
    Inventors: Gi-Chul Jung, Sang-Gyu Jeon, Man-Gon Kang, Soon-Kwang Kwon, Hyeon-Cheol Choi