Pressure balanced valve assembly for proportionally mixing hot water and cold water entering therein
 A pressure balanced valve assembly includes a casing having a proportioning member received in a passage defined in the casing. Two inlets and two outlets are respectively defined in two opposite ends of the casing. The proportioning member has a central passage defined therethrough, two apertures defined through the wall of the proportioning member and communicating with the central passage. The position of each of the two apertures of the proportioning member is moved relative to the two inlets of the casing when the water pressure in the casing moves the proportioning member so as to change the opening of the two inlets of the casing by the wall of the proportioning member. 
Metal Industries Research Development Center
G Y Y
G05D Y10T Y10T
inventional additional additional
Tin-Kai Hung-Yin
Lin Chen