Patent ID: 6095195
Filing Date: 2000-08-01
Classification: F16L

Abstract:
A water hammer arrester comprising:a housing formed as a cylinder having a closed upper end, an internal pressure chamber receiving a reaction force medium, and an opening having a circular distal end of one portion of said opening;a piston being slidably installed within said housing and having a space communicating with said internal pressure chamber and receiving said reaction force medium;a connector connected to said opening of said housing having a thread formed on one end of said connector, a first annular groove formed on a circumferential outside surface of the other end of said connector, and a second annular groove formed on a radial surface of said connector and disposed between said first annular groove and said thread, and said second annular groove accommodating the insertion of said circular distal end of said opening; anda convex portion formed on the other portion of said opening, fitting said first annular groove.