Patent ID: 6412513
Filing Date: 2002-07-02
Classification: F16K,G05D,Y10T

Abstract:
A valve comprising:a housing including a chamber formed therein, and including a bottom portion having two inlets formed therein and communicating with said chamber thereof, said housing including a peripheral wall provided therein for defining said chamber thereof, two casings received in said chamber of said housing and each including a bottom portion having an orifice formed therein for communicating with said inlets of said housing respectively, and each including an upper portion having a port formed therein, and each including a side portion having an aperture formed therein and communicating with said orifices and said ports of said casings respectively, said upper portion and said bottom portion of said casings each including a peripheral depression formed therein, said casings each including a chamfered peripheral portion formed around said apertures of said casings respectively, and said casings each including a peripheral flange laterally extended outward therefrom for engaging with said peripheral wall of said housing, a plurality of first sealing rings engaged in said peripheral depressions of said casings, for making a water tight seal between said casings and said housing, a valve seat slidably received in said apertures of said casings, and including two openings for communicating with said inlets of said housing respectively, said valve seat including two end portions, a second sealing ring received in said chamfered peripheral portions of said casings, two third sealing rings engaged on said end portions of said valve seat and engaged between said valve seat and said casings respectively, for making a water tight seal between said valve seat and said casings, and a valve member slidably engaged in said valve seat and including two ports for communicating with said openings of said valve seat and said inlets of said housing respectively.