US 12,403,484 B2
Spray nozzle
Dale Askins, Jr., Pearland, TX (US); Kent DeFosset, Sunset Hills, MO (US); Scott T. Eagleson, North Plainfield, NJ (US); Edward Hutter, Randolph, NJ (US); Wayne A. Patterson, Lebanon, NJ (US); and Mark C. Puett, Olathe, KS (US)
Assigned to Belco Technologies Corporation, St. Louis, MO (US)
Filed by BELCO TECHNOLOGIES CORPORATION, St. Louis, MO (US)
Filed on Nov. 3, 2022, as Appl. No. 17/979,943.
Prior Publication US 2024/0149282 A1, May 9, 2024
Int. Cl. B05B 1/04 (2006.01); B01D 47/06 (2006.01); B01D 53/14 (2006.01); B01D 53/18 (2006.01); B05B 1/34 (2006.01); B05D 1/14 (2006.01)
CPC B05B 1/046 (2013.01) [B01D 47/06 (2013.01); B01D 53/1456 (2013.01); B01D 53/18 (2013.01); B05B 1/3426 (2013.01); B05D 1/14 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A spray nozzle comprising:
(a) an annular head comprising a liquid inlet orifice, a first external flow diversion surface, a second external flow diversion surface, an interior circumferential channel, and an ejector,
wherein the first and second external flow diversion surfaces each comprise a conical frustum shape;
wherein the interior circumferential channel is disposed between the first and second external flow diversion surfaces and extends from the liquid inlet orifice to the ejector, the interior circumferential channel comprising a first interior wall, a second interior wall opposite the first interior wall, a bottom interior wall, a circumferential channel width, and a continuously reducing depth from the liquid inlet orifice to the ejector, and
wherein the ejector comprises a substantially smooth surface having a fixed width, the ejector extending from the point of contact with the interior circumferential channel such that in the extending direction, the substantially smooth surface increases in distance from the interior circumferential channel;
(b) a hollow neck; and
(c) a liquid inlet line disposed in the hollow neck and in fluid communication with the liquid inlet orifice.