Lego Irrigation Ltd.

Noam Lemelshtrich

Yoram Hadar

A static sprinkler presettable to select a desired water discharge pattern includes a lower part formed with a cavity defined by a cylindrical surface and extending axially from an inner end of the lower part serving as a water inlet through the outer end of the lower part; and an upper part carried by the lower part and having a cylindrical stem received within the cavity and engaging the cylindrical surface. The upper part is rotatably presettable with respect to the lower part to align one of a plurality of water discharge openings in one part with a passageway in the other part to thereby enable selection of the water discharge pattern of the sprinkler.

Static sprinkler with presettable water discharge pattern

Irrigation apparatus includes a feeder line connectible to a source of pressurized water, and an outer line of larger diameter than, and enclosing, the feeder line to define an annular water chamber between them. The outer line includes a plurality of irrigation devices spaced along its length communicating with the water chamber. A plurality of pulsator devices are spaced along the length of the feeder line and connect the feeder line to the water chamber.

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Caesarea, Israel

Noam Lemelshtrich