E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
E02B 5/08 (2006.01) E02B 8/08 (2006.01) E02B 13/02 (2006.01)
Patent
CA 2450151
An irrigation gate system installed in a ditch or canal for maintaining a desired level of water upstream from the irrigation gate system. The irrigation gate system includes a gate which is operable in a closed position for preventing water flow past the gate and a plurality of open positions for allowing various amounts of water in the ditch or canal to flow past the gate. The gate is vertically hingedly connected to a pipe shaft which is supported by a frame installed in the ditch or canal. A gate actuator moves the gate between its various positions upon receiving signals from an electronic programmable controller which in turn receives signals from a lever sensor, typically installed upstream from the gate, to maintain a desired water level on either side of the gate.
Allen Lee
Craig Kenneth R.
Elser Paul
Langeman Peter J.
Aqua Systems 2000 Inc.
Borden Ladner Gervais Llp
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