Multiple jet burner

Details Multiple jet burner Multiple jet burner

1995-02-06

1996-05-14

Jones, Larry

Combustion

Flame holder having protective flame enclosing or flame...

431353, 431 2, 431 10, 431354, 431115, 431174, F23D 1446

Patent

active

055162819

ABSTRACT:
A gas burner comprising a housing with a front exit, a back surface, and an outer surface. The housing has a closed back surface at one end and an open exit at the other end. The housing is separated into a fuel-oxygen mixing chamber and a second chamber by a support plate. A multiplicity of jets passing through the support plate such that the fuel-oxygen mixing chamber is in communication with the second chamber through the jets. The fuel-oxygen mixing chamber has an inlet for a first-gas, usually a fuel gas, and an exit. The second chamber has an inlet for a second-gas, usually oxygen. The jets arranged such that each jet centerline is unique with respect to all other jet centerlines and each jet centerline is directed from the support plate to the housing exit. The housing exit contoured such that a substantially constant distance is maintained between the boundary of the exit and a closed path lying in the surface of the exit which is the shortest path circumscribing projections of the jet centerlines onto the surface of the exit. Constructing the burner entirely out of quartz or similar material is indicated. Fuel-oxygen mixing chambers in the shape of a parallelpiped, a frustum of a wedge, and a hollow circular cylinder sector for use in a radial burner are indicated. Recessing the jets with respect to the housing exit is indicated.

REFERENCES:
patent: 2911035 (1959-11-01), Nieman
patent: 3204682 (1965-09-01), Teleshefsky
patent: 3298785 (1967-01-01), Reul
patent: 4257761 (1981-03-01), Musto
patent: 4983118 (1991-01-01), Hovis et al.
patent: 4998479 (1991-03-01), Perham et al.
patent: 5112219 (1992-05-01), Hiemstra
patent: 5180300 (1993-01-01), Hovis et al.
patent: 5368472 (1994-11-01), Hovis et al.
Weiss Scientific Glass Blowing Co. advertisement in Semiconductor International magazine, pp. 69, Jan. 1993.
Applicant d.b.a. Blue Flame Technology Sold prototype, cylinderical housing, quartz burners prior to Feb. 6, 1994.

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