Fluid sprinkling – spraying – and diffusing – Plural interchangeable discharge modifiers – outlet... – Discharge modifier upstream of terminal outlet
Patent
1980-04-24
1982-09-21
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Plural interchangeable discharge modifiers, outlet...
Discharge modifier upstream of terminal outlet
239454, 239506, 2395331, B05B 126, B05B 130
Patent
active
043503004
ABSTRACT:
The disclosure is directed to a spray head device for use in a center pivot irrigation system which is capable of operation under high or low water pressure. The spray head device includes an enclosed housing adapted for connection to a source of water, and which houses water jet apparatus constructed to issue a jet of water and sized for a predetermined range of volume flow. A frame connected to the housing suspends a diffuser element in a position where it is impinged by the jet of water to disperse the water into a flow pattern of predetermined configuration. A resilient washer is carried by the water jet apparatus to provide a substantially constant volume output. The water jet apparatus and diffuser element are removably and interchangeably carried by the enclosed housing and frame, respectively, whereby the rated volume flow of the spray head device may be varied. Also disclosed is a unique diffuser element having an undersurface that tapers axisymmetrically to a point and is formed with a plurality of grooves that extend radially outward to the peripheral edge of the element. The frame includes a pair of spaced, opposed side members that obstruct the flow pattern. To minimize this problem, the opposed side members include longitudinal edges that taper to a point, and the undersurface of the diffuser element is formed with diametrically opposed regions void of the radially extending grooves which are respectively disposed adjacent the opposed side members.
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