Patent ID: 6994308
Filing Date: 2006-02-07
Classification: F16K

Abstract:
1. An in-tube solenoid gas valve, comprising: a valve tube defining a gas inlet passage, a gas outlet passage and a cavity; an inlet fitting with an axial hole threading into said inlet passage of said valve tube to connect to the in-line tube of piping system; an outlet fitting provides a seal seat and an axial hole threading into said outlet passage of said valve tube to connect to the inline tube of piping system; a support cylindrical body with a chamber is pushed by a compression spring, against said inlet fitting, inserting into said outlet fitting; a solenoid assembly comprising a flange, an electrical coil, a stop, and a sleeve, able to slide in said chamber of said support cylindrical body; said solenoid assembly comprising an O-ring located in said flange for segregating said chamber to a front side chamber and a back side chamber; said flange provides a small seal seat, a bleed orifice, and an axial hole; a plastic insert with a center hole, is molded onto said flange, to provide seal.