Patent ID: 8028970
Filing Date: 2011-10-04
Classification: F16K

Abstract:
1. A solenoid valve having a predetermined regulated opening amount, comprising: a valve seat separating first and second communication passages; a solenoid comprising a bobbin, a coil wound around the bobbin, a fixed core and a movable iron core; a valve member mounted to one end of said movable iron core; a spring biasing the movable iron core such that the valve member is in engagement with the valve seat to close the valve when the coil is not energized; a one piece resin body disposed on said movable iron core, said one piece resin body having a guide member disposed at an outer circumferential surface of said movable iron core for guiding said movable iron core during movement of said movable iron core to open the valve when the coil is energized, and a stopper located adjacent said one end of said movable iron core for regulating the movement of said movable iron core by a predetermined distance.