Patent ID: 6092783
Filing Date: 2000-07-25
Classification: G05D,Y10T

Abstract:
An electropneumatic pressure regulating valve, comprising:a valve housing having a work chamber with a work connection and a deaeration chamber with a deaeration connection;a valve seat operatively connected in said valve housing between said work chamber and said deaeration chamber;an electromagnet comprising a movable armature and a valve tappet having a disk face connected to said movable armature for moving longitudinally through said work chamber to and from a closed position, said disk face of said valve tappet contacts said valve seat and closes a connection between said work chamber and said deaeration chamber when said tappet is in said closed position;said valve tappet having a through hole connecting a bottom of said disk face with a pressure tight coil space within said electromagnet; anda dynamic seal for sealing said coil space from said work chamber while simultaneously permitting movement of said tappet.