Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Patent
1989-05-10
1990-03-20
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
239456, 239584, 261DIG13, B05B 134
Patent
active
049094459
ABSTRACT:
A spray desuperheater maintaining a desired homogeneous spray pattern throughout the full range of operation, including relatively low rates of flow. Water flows to a spray orifice through a variable-geometry control which constricts at flow rates below the minimum flow required to maintain pressure control across the spray nozzle. This constricted flow increases the velocity of the water tangentially entering a spin chamber leading to the spray nozzle. The increased velocity of water at the lower rates of flow, combined with the spin imparted to the water, maintains the desired homogeneous spray pattern at the lower flow rates. The variable geometry control is fully open at flow rates sufficient to sustain pressure control at the spray nozzle, and a fixed-geometry control adjusts a higher range of flow rates.
REFERENCES:
patent: 759320 (1904-05-01), Schutte
patent: 2775484 (1956-12-01), Fox
patent: 3022954 (1962-02-01), Davies et al.
patent: 3524592 (1970-08-01), Gustafsson
patent: 4130611 (1978-12-01), Brand
patent: 4442047 (1984-04-01), Johnson
Kashnikow Andres
Steam Systems and Service Incorporated
Trainor Christopher G.
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