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APPAREIL D'ARROSAGE ET SYSTÈME D'IRRIGATION
专利权人:
Cote; Kristy
发明人:
申请号:
EP14889314.2
公开号:
EP3131683A1
申请日:
2014.12.31
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
A sprinkler apparatus, a flow rate control valve assembly, and a sprinkler irrigation system for providing an even distribution of water across an asymmetrically shaped water receiving area. The sprinkler apparatus comprises a pop-up sprinkler head with a base housing for confiningly receiving a pressurized water flow that actuates a nozzle housing slidingly and rotationally cooperating with the base housing to pop-up into an operating position for discharge of water through at least one pair of nozzle assemblies. The pair of nozzle assemblies comprise an upper nozzle assembly and a lower nozzle assembly near the top end of the nozzle housing. The upper nozzle assembly controllably projects the pressurized water flow for a precisely set distance, while the lower nozzle assembly comprises a vertical slit-shaped aperture through which water is discharged in a curtain effect. Together, the pair of nozzle assemblies achieve a substantially uniform elliptical linear spray pattern with a bias to outermost end. A flow rate control valve assembly is further described and comprises a flow control valve assembly that can be fluidly coupled to a pop-up sprinkler head to controllably supply the pressurized water flow, the flow control valve assembly comprising a water inlet fluidly coupled to a water supply and a water outlet fluidly coupled to the pop-up sprinkler head, the water outlet cooperatively engaging with a rotary disc valve having a tapered passage wherein sliding rotation of the rotary disc valve incrementally adjusts the valve between an opened position and a closed position to control the pressurized water flow through the water outlet.L'invention concerne un appareil d'arrosage, un ensemble soupape de commande de débit, et un système d'irrigation par asperseur pour distribuer de l'eau de manière régulière dans une zone de réception d'eau de forme asymétrique. L'appareil d'arrosage comprend une tête d'arrosage escamotable avec un logement de base destiné à recevoi
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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