Naan-Dan Irrigation Systems (c.s.) Ltd.

Micael Lerner

A rotary sprinkler () including a water inlet, a water outlet arranged for rotation about a rotation axis (), a water director associated with the water outlet and a watering pattern determiner associated with at least one of the water outlets and the water director. The sprinkler () operates to cause the sprinkler () to have a substantially non-repeated watering pattern extending over more than 360 degrees about the rotation axis. The watering pattern is asymmetric with respect to the rotation axis () and is rotated for each successive rotation of the water outlet about the rotation axis () with respect to the watering pattern of the preceding rotation by a predetermined amount, whereby the successive rotations increase the angular uniformity of watering about the rotation axis.

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Tal Shachar, Israel

Micael Lerner