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Greenhouse for growing plants by hydroponics, has drive device for coupling system between water pipe and mobile cultivation vessel operated by pressure from water pipe
Greenhouse for growing plants by hydroponics, has drive device for coupling system between water pipe and mobile cultivation vessel operated by pressure from water pipe
The coupling system (12) for connecting the water pipe (11) to the cultivation vessel (3) includes an actuator line (21) for supplying water from the pipe to a drive device for operating the coupling in this system. The pressure of the water supplied from the pipe is used to operate the drive device. The greenhouse (1) contains at least one movable cultivation vessel such as a channel or table which is provided with an irrigation system for watering the plants in this vessel. The coupling system comprises a coupling arm with a coupling piece (24), as well as a supply line (22) for delivering water to this piece from the pipe. The arm can be moved between a retracted position in which the piece is located at a distance from the vessel, and an extended position in which the piece is connected to the irrigation system inlet. The drive device moves the arm between these two positions.
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