Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Serially arranged mixing zones
Patent
1993-12-30
1995-02-07
Kashinikow, Andres
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
Serially arranged mixing zones
239429, 239430, 239431, 239434, B05B 700
Patent
active
053869419
ABSTRACT:
A fluid injection device and method includes an upstream conduit, downstream conduit, a support for holding the upstream and downstream conduit with their upstream and downstream passageways aligned and maintaining a gap between the adjacent ends of the conduits, and a secondary fluid source connectable to the gap for injecting secondary fluid into the gap and downstream throat. The upstream passageway includes an acceleration nozzle for accelerating the velocity of the fluid flow so that the pressure exerted by the fluid on the walls of the upstream passageway is substantially reduced and the reduced pressure is maintained across the gap. The downstream conduit includes a downstream passageway which maintains the accelerated velocity of the primary fluid and which conducts the accelerated fluid to a deceleration nozzle. The secondary fluid source injects secondary fluid into the gap and downstream conduit at a preselected higher pressure than the fluid exiting the upstream throat. The secondary fluid source may be used to cool, inject additives, and add volume and/or mass to the fluid exiting the upstream conduit. A plurality of the injection devices may be connected in series and/or multiple gaps may be created between the upstream and downstream conduits using intermediate conduits in order to stage or sequence the injection of secondary fluid.
REFERENCES:
patent: 486829 (1992-11-01), Hart
patent: 3180348 (1965-04-01), Clearman
patent: 3807636 (1974-04-01), Fackler
patent: 4191590 (1980-03-01), Sundheim
patent: 4923120 (1990-05-01), Hammelmann
Kashinikow Andres
Morris Lesley D.
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