| 摘要 |
<p>A hot and cold water mixing valve comprising a valve body having a mixing chamber therein and hot and cold water inlet ports opening into one wall of the mixing chamber, and a valve member controlled by a single operating handle and having a surface thereof movable over said wall of the mixing chamber. The valve is characterized by a unique port configuration to communicate the hot and cold water inlet ports with the mixing chamber, the ports in the valve member being dimensioned and so related to the hot and cold water inlet ports as to permit rotation of the control handle through about 180 DEG to control the temperature of the water discharged from the valve. The port configuration is such that upon rotation of the valve member from full cold to full hot position there is an initial relatively rapid increase in temperature from cold to warm, then a very gradual adjustment in temperature throughout the comfort range, which is generally considered to be from 90 DEG F., to 110 DEG F., followed by a relatively rapid increase in temperature to the full hot position.</p> |
