IRRIGATION EMITTER UNIT,申请号IL19760050766-传众专利搜索

IRRIGATION EMITTER UNIT

申请公布号：IL50766(A)

申请号：IL19760050766

申请日期：1976.10.26

申请公布日期：1983.06.15

申请人：

HYDRO PLAN ENG LTD

分类号：A01G25/02;(IPC1-7):05B1/30

主分类号：A01G25/02

摘要：<p>In a drip level irrigation emitter unit having flow restricting means, a control mechanism, inlet and outlet control chambers of the control mechanism, resiliently flexible membrane sealingly separating the control chambers, the membrane being displaceable with respect to the flow restricting means, the inlet and outlet chambers respectively communicating with an inlet and an outlet of the flow restricting means, the outlet chamber being formed with an outlet aperture of substantially smaller area than that of the membrane, the arrangement being such that upon the liquid pressure in the inlet chamber exceeding the liquid pressure in the outlet chamber by a predetermined amount, the membrane flexes elastically towards the outlet aperture so as to define, with a rim of the aperture, a restricted outflow path thereby limiting variations in the outflow rate.</p>