| 摘要 |
<p>1,220,586. Valves. MEYNELL VALVES Ltd. 30 July, 1968 [2 Aug., 1967], No. 35401/67. Heading F2V. A mixing valve comprises a closure member 19 supported on a member 23 at one end of a piston 12 having a wall 22 enclosing a mixing chamber 25 and a flange 36 acted upon in its underside by cold water pressure passed from an inlet 13 through a variable restriction 39 when cold water is passed through the valve under the control of a tap (not shown) disposed at the inlet 13 or outlet 14. The member 19 is loaded to the closed position on one end of a steam inlet 15 by a main spring 34 and a spring 32 whose rate can be varied by a knob 30. Cold water passes to the mixing chamber via a chamber 37 and ports 38, to mix with the steam before passing to the outlet 14.</p> |
