Side and corner strip nozzle

Details Side and corner strip nozzle Side and corner strip nozzle

2007-12-04

2007-12-04

Hwu, Davis D. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

C239S463000, C239S483000, C239S498000, C239S203000, C239S204000, C239S201000

Reexamination Certificate

active

11033192

ABSTRACT:
A spray head provided with a plurality of nozzles defined by a base and a deflector cap. Each nozzle is provided with a deflector portion or nozzle plate for directing an upward traveling fluid in an outward direction. Furthermore, the deflector portion may be provided with steps or vanes for altering and varying the flow characteristics of a fluid spray pattern exiting the nozzle. In this manner, different portions of the fluid spray pattern may be projected to varying distances so that the fluid may cover an area having generally straight boundaries and having one or more right angles. Furthermore, the fluid spray pattern may be used to cover a triangular area. In this manner, overspray is reduced. The areas covered by independent nozzles of the spray head may be proximally located by their arrangement within the spray head so as to minimize overlap of the areas.

REFERENCES:
patent: 1335267 (1920-03-01), Grant et al.
patent: 2746792 (1956-05-01), Hough
patent: 5381959 (1995-01-01), Malkin
patent: 5642861 (1997-07-01), Ogi et al.
patent: 6158675 (2000-12-01), Ogi
patent: 7097113 (2006-08-01), Ivans
Tech Specs, Matched Precipitation Rate (MPR) Nozzles, © 1998 Rain Bird Corporation, 4 pages.
Tech Specs, Plastic U-Series Nozzles, © 2003 Rain Bird Corporation, 4 pages.
Photograph of Rain Bird Corporation 15 SST Nozzle, illustrating a commercially available spray nozzle prior to Jan. 11, 2004, 1 page.

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