Gas: heating and illuminating – Mixers
Patent
1982-04-29
1983-10-11
Kratz, Peter F.
Gas: heating and illuminating
Mixers
48192, 2394245, 2394275, 431346, B01F 500
Patent
active
044090021
ABSTRACT:
An improvement in a cutting torch assembly that obviates the tendency to have flashback and sustained burning with certain fuels, including cutting oxygen valve and passageway, preheat oxygen valve and passageway, fuel gas valve and passageway, a head having a tip end for having a tip affixed thereto and having a head passageway for cutting oxygen and a head passageway for mixture of fuel and oxygen, the improvement being characterized by an integral head mixer having within the head an incoming preheat oxygen passageway and incoming fuel passageway, a mixer insert disposed within the incoming fuel passageway and having engaging seal means for constraining the fuel to flow through the insert, the insert having a centrally disposed bore communicating at its inlet end with the incoming fuel passageway and terminating in a plurality of at least three apertured passageways that flow the fuel into intimate admixture with the preheat oxygen in the annular space thereabout. Also described are specific preferred embodiments including particular critical ratios of areas for mixing, numbered passageways and the like to achieve the necessary admixing.
REFERENCES:
patent: 1262351 (1918-04-01), Jones et al.
patent: 1276893 (1918-08-01), Fischer
patent: 1340902 (1920-05-01), Lundgaard
patent: 2198342 (1940-04-01), Jacobsson et al.
patent: 2263655 (1941-11-01), Stettner
patent: 2371970 (1945-03-01), Marra
patent: 2520001 (1950-08-01), Eicher
patent: 3091281 (1963-05-01), Clark
patent: 4022441 (1977-05-01), Turney
patent: 4248384 (1981-02-01), Zwicker
Kratz Peter F.
Victor Equipment Company
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