Patent ID: 6193212
Filing Date: 2001-02-27
Classification: F16K,Y10T

Abstract:
A fluid control valve which controls a fluid moving through a valve body by means of opening and closing a portion between a valve seat and a valve holder, said fluid control valve comprising:a drive unit having a valve rod, a rod shaped shaft for applying pressure to said valve seat via said valve rod, and a member ""a"" which is affixed around said rod shaped shaft;said member ""a"" formed of a magnetic material;a coil having a space between it and said shaft, said member ""a"" provided at a position parallel to said shaft moving upwardly and downwardly by electromagnetic induction;a spring, whereby the portion between the valve seat and the valve holder is opened and closed; anda member ""b"" comprises a magnetic material identical to that of said member ""a"" and is provided in said gap between said shaft and said coil.