| 摘要 |
<p>An improved tank flushing system is described for use with a toilet bowl or other flushed system. me outflow of the flushing water from the tank for the flushing operation is controlled by a flush valve comprising a flexible sealing member mounted on the tank bottom and coupled to a float. The flush valve is opened as the sealing member is lifted by the flush lever and remains opened under the control of the float until a predetermined volume of flush water has flowed from the tank.</p> |
