Patent ID: 6810909
Filing Date: 2004-11-02
Classification: F16K,G05D,Y10T

Abstract:
A solenoid operated pressure control valve comprising:(a) a valve body with a valving cavity with a supply port, a pressure control port and an exhaust port, said cavity having a portion of the wall thereof including a pressure responsive flexible diaphragm member movable with respect to the inlet port, said body including a poppet movable with respect to said exhaust port; (b) an operating member moveable with said poppet including a portion received through said exhaust port and operative to effect movement of said pressure responsive member; and, (c) a solenoid associated with said body having an armature and operative upon energization to effect movement of said operating member and poppet for valving said exhaust port and moving said pressure responsive member for valving said inlet port, wherein said pressure responsive member includes a bleed orifice therethrough communicating said supply port with the opposite side of said portion of said wall and permitting limited flow therethrough for dampening movement thereof.