Nixon Peabody LLP
Flow path switching valve
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.
Hyosung Goodsprings, Inc.
F F Y Y Y
F16K F16K Y10T Y10T Y10T
inventional inventional additional additional additional
Man-Gon Hyeon-Cheol Sang-Gyu Gi-Chul Soon-Kwang
Kang Choi Jeon Jung Kwon