发明名称 Rainfall control for irrigation systems
摘要 An irrigation system control apparatus which includes an adjustable float switch mounted within a rain collector receptacle which switch is actuated in response to a predetermined amount of rainfall to terminate the operation of the motor and pump assembly of the irrigation system.
申请公布号 US4919165(A) 申请公布日期 1990.04.24
申请号 US19890376507 申请日期 1989.07.07
申请人 LLOYD, GROVER 发明人 LLOYD, GROVER
分类号 A01G25/16 主分类号 A01G25/16
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