Fuel and air supply control apparatus for gas burners

Details Fuel and air supply control apparatus for gas burners Fuel and air supply control apparatus for gas burners

1992-11-24

1994-04-05

Jones, Larry

Combustion

Mixer and flame holder

126 39N, 126 39R, 137607, F23D 1462

Patent

active

052999327

ABSTRACT:
The fuel and air supply apparatus provides a fuel/air mixture for gas burners. The ratio of fuel to air in the mixture is adjustable and remains constant at any setting in spite of changes in air flow rate made to adjust the flame size and height. The fuel/air mixture is supplied to the burner through a venturi which, in turn, is supplied with fuel and air. The venturi is such that the amount of gas entrained into and mixed with the air is directly proportional to the air flow velocity into the venturi. Such a venturi is available form the J & P Machine and Tool Co., 22 Delawanna Avenue, Clifton, N.J. 07014. The fuel is supplied to the venturi through a zero regulator which supplies fuel in direct proportion to the demand. The combined functions of the venturi and regulator provide the fuel/air mixture as described. A suitable zero regulator is available from Maxitrol, 23555 Telegraph, Southfield, Mich. 48037, Model No. R400SZ. Fuel/air mixture may be provided to one or more than one burner from one fuel supply and control apparatus. Commercially available valves are used to control air flow and to control fuel flow into the venturi to adjust the mixture ratio.

REFERENCES:
patent: 1977552 (1934-10-01), Grayson et al.
patent: 2456864 (1948-12-01), Cole
patent: 4465456 (1984-08-01), Hynek et al.
patent: 4640678 (1987-02-01), Fraioli
patent: 5097818 (1992-03-01), Kee et al.

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