Scully, Scott, Murphy & Presser
Flow force compensating stepped shape spool valve
Disclosed is a flow force compensating spool valve having a flow force compensating protrusion ring at a supply channel of a sleeve on an outer circumference portion of a spool rod, and a hydraulic valve, a pneumatic valve, a three-way valve, and a four-way valve using the spool valve, in which the flow force can be compensated by a simple structure change of the spool without changing a structure of the sleeve.
Agency for Defense Development Hanwha Corporation
F Y F
F15B Y10T F16K
inventional additional inventional
Eui Joon Jong Yeol Weon Gyu Hyo Pil Hyun Young
Moon Kim Shin Shin Choi