Patent ID: 6315267
Filing Date: 2001-11-13
Classification: F01P,F16K

Abstract:
An electrically operated valve assembly comprising:(a) a valve body having a valving chamber with inlet port and an outlet port, each communicating with the valving chamber;(b) a generally cylindrical valve member disposed in said valving chamber and journalled therein for rotation between an open and closed position said valve member having a cross port therethrough and first driving surfaces formed thereon;(c) a resilient seal member having a curved plate configuration disposed in said chamber to seal between said valve member and one of said inlet and outlet port;(d) a torque motor attached to said body exteriorly of said valving chamber and having a rotor with second driving surfaces formed thereon engaging said first driving surfaces on said valve member and, upon electrical energization of said motor and movement of said rotor, said rotation of said valve member is effected, wherein said cross port is positioned for permitting flow between said inlet port and outlet port in said open position and positioned for preventing flow between said inlet and outlet port in said closed portion; and,(e) spring means biasing said rotor and valve member to the open position.