Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Including whirler device to induce fluid rotation
Patent
1979-02-23
1980-08-19
Saifer, Robert W.
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
Including whirler device to induce fluid rotation
239599, 239601, 60740, B05B 104, B05B 700
Patent
active
042180201
ABSTRACT:
An airblast atomizer with air swirl vanes has an outlet configured to produce a fuel/air mixture pattern from the fuel nozzle to match an annular combustion chamber formed between an annular inner combustor wall and an annular combustor wall having inlet ends thereof connected to an annular dome for supporting each of a plurality of the fuel nozzles; each of the nozzles including a pair of spaced, large radius slots in a cylindrical outlet wall of the nozzle operative to produce a vortex pattern that will spread the mixed fuel/air pattern from the nozzle to define the major axis of an elliptically formed fuel/air pattern from the nozzle and wherein the remainder of the airblast atomizer nozzle has a reduced radius to conform the fuel/air mixture to the diameter of an outlet swirl chamber from the nozzle to produce the minor axis of an elliptically configured fuel/air spray pattern and wherein the major axis is formed as a chordal line of the combustion chamber to conform the fuel/air mixture pattern from each of the fuel nozzles to the annular shape of the combustor chamber thereby to reduce the number of airblast atomizer fuel nozzles required to completely cover a predetermined diameter of combustion chamber annulus.
REFERENCES:
patent: 3521824 (1970-07-01), Wilcox
patent: 3615051 (1971-10-01), Gettig et al.
patent: 3702175 (1972-11-01), Watkins
patent: 3713588 (1973-01-01), Sharpe
patent: 3754710 (1973-08-01), Chimura
patent: 3759448 (1973-09-01), Watkins
Evans J. C.
General Motors Corporation
Saifer Robert W.
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