EP 0910238 A4 20000531 - SOIL MOISTURE RESPONDER
Title (en)
SOIL MOISTURE RESPONDER
Title (de)
MIT DER BODENFEUCHTIGKEIT REAGIERENDE EINRICHTUNG
Title (fr)
SYSTEME REAGISSANT A L'HUMIDITE DU SOL
Publication
Application
Priority
- AU 9700435 W 19970709
- AU PO088696 A 19960709
- AU PO587397 A 19970326
Abstract (en)
[origin: WO9801021A1] A soil moisture responsive system which has a sensor (40) using a moisture swellable material (42) in controlling a flow of water therethrough in response to an amount of water detected and an acuator (47) connected through a conduit to the water flowing through the sensor and arranged to use such supply of water as is provided from the sensor to develop a sufficient pressure to operate a bi-stable device (47) to effect a snap action contol of a valve (51).
IPC 1-7
IPC 8 full level
A01G 25/16 (2006.01)
CPC (source: EP)
A01G 25/167 (2013.01)
Citation (search report)
- No further relevant documents disclosed
- See references of WO 9801021A1
Designated contracting state (EPC)
DE ES FR GB GR IT NL
DOCDB simple family (publication)
WO 9801021 A1 19980115; EP 0910238 A1 19990428; EP 0910238 A4 20000531; IL 127953 A0 19991130; TR 199900001 T2 19990421
DOCDB simple family (application)
AU 9700435 W 19970709; EP 97929026 A 19970709; IL 12795397 A 19970709; TR 9900001 T 19970709