Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – At or beyond outlet
Patent
1979-07-19
1981-02-03
Reeves, Robert B.
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
At or beyond outlet
2394245, B05B 706
Patent
active
042483840
ABSTRACT:
A cutting torch that obviates the tendency to have flashback and sustain burning yet have the inherent flexibility of injector type mixer torches, including a cutting oxygen valve and passageway, a mixing oxygen valve and passageway, a fuel gas valve and passageway, a head having a tip end and having passageways for cutting oxygen and fuel-oxygen mixture and having the improvement characterized by having the fuel-oxygen head passageway comprised of the first oxygen passageway drilled from the oxygen passageway end and in alignment with the oxygen passageway and intersecting a second oxygen passageway drilled from the tip end of the head and with a first diameter; a third fuel passageway drilled from the fuel passageway end and in alignment with the fuel passageway end and intersecting a fourth fuel and oxygen passageway drilled from the tip end in the head and communicating with the second oxygen passageway and having a common center line with the second oxygen passageway and having a second diameter larger than the first diameter such that the oxygen has a high velocity and aspirates the fuel from the third fuel passageway into the fourth passageway; and a fifth passageway drilled from the tip end and having a common center line with said second and fourth passageway and having a third diameter larger than the second diameter of the fourth passageways so as to afford a low velocity region for sustantially uniform admixing of the fuel and oxygen before entering the tip end. Preferably the oxygen passageway has a copper spiral adjacent the first oxygen passageway for preventing flashback.
REFERENCES:
patent: 2371970 (1945-03-01), Marra
patent: 2520018 (1950-08-01), Eicher
patent: 3091281 (1963-05-01), Clark
patent: 4022441 (1977-05-01), Turney
Church Gene A.
Reeves Robert B.
Victor Equipment Company
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