Abstract: A sprinkler. A sprinkler nozzle assembly is coupled to a base for rotating movement. A stationary cam with cam surface engages a cam follower which open and close valves to regulate water flow as selected angles of rotation. In an embodiment, a pop-up sprinkler is provided, and the moving components are part of the riser. A turbine drive mechanism is coupled to an upper housing on which a plurality of sprinkler nozzle assemblies are affixed. The drive mechanism includes water driven impeller and a gear train adapted for operatively driving the upper housing, and associated sprinkler nozzle assemblies.

Abstract: A sprinkler. A stationary base includes a turbine to drive an upper housing. A plurality of sprinkler nozzle assemblies mounted on the upper housing include low voltage solenoids that are energized via slip ring contacts, with a power discontinuous slip ring located on the base. When powered, the solenoids open to allow water to be directed from the nozzle in the sprinkler nozzle assembly. the nozzles are sized, shaped, and directed to apportion water as needed to provide average water quantities amongst parts of irregularly shaped parcels.

Abstract: A flow regulator for use with a lawn sprinkler. The apparatus includes an impeller, a regulator portion and a nozzle regulator portion. The sprinkler is configured to regulate the delivery of water according to the shape of the area to be irrigated, so that water is not wasted on adjacent areas which do not require irrigation.

Abstract: A flow regulator for use with a lawn sprinkler. The apparatus includes an impeller, a regulator portion and a nozzle regulator portion. The sprinkler is configured to regulate the delivery of water according to the shape of the area to be irrigated, so that water is not wasted on adjacent areas which do not require irrigation.

Abstract: A lawn sprinkler providing water distribution over an irregular or unique shaped water receiving area. The apparatus includes a water impeller, a first water regulator, a second water regulator, and a bypass channel. The sprinkler regulates the delivery of water according to the shape of the area to be irrigated, so that water is not wasted on adjacent areas which do not require irrigation.

Abstract: A lawn sprinkler providing water distribution over an irregular or unique shaped water receiving area. The apparatus includes a water impeller, a first water regulator, a second water regulator, and a bypass channel. The sprinkler regulates the delivery of water according to the shape of the area to be irrigated, so that water is not wasted on adjacent areas which do not require irrigation.

Abstract: A lawn sprinkler providing water distribution over an irregular or unique shaped water receiving area. The apparatus includes a water impeller, a first water regulator, a second water regulator, and a bypass channel. The sprinkler regulates the delivery of water according to the shape of the area to be irrigated, so that water is not wasted on adjacent areas which do not require irrigation.