| 摘要 |
<p>An anti-scald faucet valve comprising: (a) an elongated valve chamber (10) having a side wall and first and second end walls, the side wall having spaced apart hot and cold water inlet ports (13, 14), the cold water inlet port (14) being nearest the first end wall, (b) an elongated valve member (11) movable in said chamber (10) and having first and second valve closure members (26, 27) arranged to open and close the cold and hot water inlet ports (14, 13) respectively, and define a first end zone and second end zone between the first and second end walls and said valve closure members (26, 27) respectively, and a mixing zone between the first and second valve closure members, (c) means (12) biassing the valve member towards the second end wall, (d) a metering orifice (28) through the second valve closure member (27) communicating the mixing zone with the second end zone, (e) a faucet outlet chamber (23) having an outlet (15) and communicating with the mixing zone by a main passage which is opened or closed by a remotely controlled valve (21), and (f) a regulating passage (17) communicating the faucet outlet chamber (23) with the first end zone, said regulating passage (17) having a regulating valve (20) to control the flow of water between the faucet chamber (23) and the first end zone, thereby controlling the movement of said elongate valve member (11) in said valve chamber (10) relative to the cold and hot water inlet ports (14, 13). </p> |
