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 whic
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.
대표청구항▼
1. 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, sai
1. 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. 2. The flow regulator as set forth in claim 1, wherein said impeller regulator portion comprises an inner portion of a first perforated disk, said inner portion having apertures therethrough defined by first perforated disk inner aperture sidewalls. 3. The flow regulator as set forth in claim 2, wherein said impeller regulator portion further comprises an inner portion of a second perforated disk, said inner portion having apertures therethrough defined by second perforated disk inner aperture sidewalls. 4. The flow regulator as set forth in claim 3, wherein said nozzle regulator portion comprises an outer portion of said first perforated disc, said outer portion having apertures therethrough defined by first perforated disk outer aperture sidewalls. 5. The flow regulator as set forth in claim 4, wherein said nozzle regulator portion comprises an outer portion of said second perforated disc, said outer portion having apertures therethrough defined by second perforated disk outer aperture sidewalls. 6. The flow regulator of claim 5, wherein said second perforated disk is located and configured for relative movement with respect to said first perforated disk so that said first perforated disk inner portion apertures and said second perforated disk inner portion apertures cooperatively provide the increasing and decreasing water flow first fluid flow during movement of said second perforated disk relative to and said first perforated disk, to provide said impeller regulator portion. 7. The flow regulator of claim 6, wherein said second perforated disk is located and configured for relative movement with respect to said first perforated disk so that said first perforated disk outer portion apertures and said second perforated disk outer portion apertures cooperatively provide the increasing and decreasing water flow first fluid flow during movement of said second perforated disk relative to said first perforated disk, to provide said nozzle regulator portion. 8. The flow regulator of claim 7, wherein said first perforated disk comprises a substantially circular disk with perforations therethrough. 9. The flow regulator of claim 7, wherein said second perforated disk comprises a substantially circular disk with perforations therethrough. 10. A method for watering a lawn, said method increasing volume of water distributed along a first radial of first radial length via a rotating sprinkler nozzle assembly while decreasing arcuate speed of said sprinkler nozzle assembly over a first unit of time, anddecreasing volume of water distributed along a second radial of second radial length via a rotating sprinkler nozzle assembly while increasing arcuate speed of said sprinkler nozzle assembly over a second unit of time,said method comprising:providing a base, said base configured to confiningly receive a pressurized water flow;providing a sprinkler nozzle assembly, said sprinkler nozzle assembly configured for pop-up operation with respect to said base upon receipt of said pressurized water flow by said base, and arcuately driven with respect to said base, said sprinkler nozzle assembly comprising a sprinkler nozzle assembly housing and a nozzle;providing a drive mechanism coupled to said sprinkler nozzle assembly;arcuately driving said sprinkler nozzle assembly with said drive mechanism;regulating a first portion of said water flow with a water flow regulator to increase water flow rate of said first portion of said water flow over said first unit of time, and to decrease water flow rate of said first portion of said water flow over said second unit of time, said water flow regulator comprising a first inlet fluidically coupled to said base and a first outlet fluidically coupled to said nozzle, said water flow regulator further comprising an outlet fluidically coupled to said drive mechanism, said drive mechanism fluidically driven by said first portion of said first flow;regulating a second portion of said water flow with said water flow regulator to decrease water flow rate of said second portion of said water flow over said first unit of time and to increase water flow rate of said second portion of said water flow over said second unit of time;wherein said nozzle decreases radial length of water distribution of along said first vector from said axis over said first unit of time in response to said decrease in water flow rate of said second portion of said water flow, and increases radial length of water distribution along said second vector from said axis over said second unit of time in response to said increase in water flow rate of said second portion of said water flow; andwherein said drive mechanism decreases said arcuate speed of said sprinkler nozzle assembly over said second unit of time in response to said decrease in water flow rate of said first portion of said water flow, and increases said arcuate speed of said sprinkler nozzle assembly over said first unit of time in response to said increase in water flow rate of said first portion of said water flow.
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Forer Karl (8291 E. Jamison Pl. Englewood CO 80112), Rotary sprinkler head having individually-adjustable deflector plates for watering irregularly-shaped areas.
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