Patent ID: 8567697

Claim:
A flow regulator for use with a sprinkler nozzle assembly, said sprinkler nozzle assembly comprising a nozzle, an impeller, and a transmission, said nozzle driven in arcuate movement by said impeller through said transmission, said flow regulator comprising: (a) an impeller regulator portion, said impeller regulator portion shaped and sized to regulate the flow of water flow through said impeller; (b) a nozzle regulator portion, said nozzle regulator portion shaped and sized to regulate at least a portion of the flow of water to said nozzle; (c) wherein during a first period of time, (1) the shape and size of the impeller regulator portion is configured so that said impeller regulator portion operatively increases water flow through said impeller, and (2) the shape and size of the nozzle regulator portion is configured so that said nozzle regulator portion decreases water flow to said nozzle; and (d) wherein during a second period of time, (1) the shape and size of the impeller regulator portion is configured so that said impeller regulator portion operatively decreases water flow through said impeller, and (2) the shape and size of the nozzle regulator is configured so that said nozzle regulator portion operatively increases water flow to said nozzle.