US2621721A - Gas burner having radiant foraminous combustion chamber walls - Google Patents

Description

Dec. 16, 1952 MANTERlA 2,621,721

GAS BURNER HAVING RADIANT FORAMINOUS COMBUSTION CHAMBER WALLS Filed June 17, 1949- 6 I INVENTOR; diam/76% wafer 1 ATI'D RN EYS Patented Dec. 16, 1952 GAS BURNER HAVING RADIANT FORAMI- NOUS COMBUSTION CHAMBER WALLS Joseph Manteria, Springfield, Mass.

Application June 17, 1949, Serial No. 99,807

1 Claim.

My invention relates to new and useful improvements in gas burners for use in the fire boxes of hot air furnaces and kitchen ranges, and an object thereof is to provide a novel and Simple burner which will burn with an orange blue flame so as to give substantially complete combustion and practically eliminate or substantially reduce the formation of carbon deposits or collection of soot in the fire boxes of furnaces or ranges and on the burner and give a maximum of heat for the quantity of gas or fuel burned.

Another object of the invention is to provide a burner which can be manufactured with facility and at relatively low cost, said burner comprising a few relatively simple parts which can be easily produced and assembled to form the complete burner, including a stand having a base adapted for supporting the burner on a furnace or range grate and having an upright standard to which connection is made to a valved supply pipe for gas or oil and through which the gas or fuel flows to the burner proper consisting of a generator or distributor ring centrally supported on the standard through a diametrical spider feeding the gas to a pair or plurality of concentric spaced annular burner pipes having jet apertures and communicating with each other at a plurality of points for even distribution of the gas or other fuel to the jets to burn with a uniform hot orange blue flame to give very eflicient heat.

'A further object is to provide burner rings with central annular apertured ribs forming seats or shoulders outside and inside thereof for supporting reticulated or foraminous annular sleeves in closely adjacent spaced concentric relation on opposite sides of the flames issuing from the burner apertures so that the flames will impinge upon the sleeves and insure better and more complete combustion by spreading the flames and more thoroughly combining the gases or hydrocarbons with air or oxygen by creating a draft upwardly between the burner rings and the sleeves drawing air to the flames or jets and causing the same to spread and heat the sleeves to a red or White heat, thereby giving more eificient heating efficiency, and also, greater economy in the use of the gas or fuel.

The invention consists in certain novel features of construction and combinations and arrangements of parts involving the'burner, its stand and connection for supporting the burner rings upon which the sleeves are arranged, the formation of the rings and manner of supporting the sleeves thereon on opposite sides of the burner jets and a plurality of outlets or tubular connections between the burner rings to insure uniform feed of the gas or fuel to the outer ring, and other features of construction and operation as will be hereinafter more fully pointed out and set forth in the appended claim.

In the accompanying drawin s I have illustrated a complete example of a physical embodiment of my invention in which the parts are combined and arranged in accordance with one mode I have devised for the practical application of the principles of my invention. It will however, be understood that changes and alterations are contemplated and may be made in these exemplifying drawings and mechanical structures, within the scope of my claim without departing from the principles of the invention.

Figure 1 is a vertical di-ametrical sectional view through the gas burner of my invention, and showing the valved inlet pipe and valved pilot burner for the same.

Figure 2 is a top plan view of the burner.

Figure 3 is a horizontalsection taken at the plane of the section line 3-3 of Figure 1.

Figure 4 is a fragmentary vertical section of a modification of the foraminous or reticulated sleeves similar to Figure 1, but in which the same are of slotted sheet metal instead of wire mesh as in Figure 1.

Figure 5 is a section similar to Figure 3 but on a reduced scale and showing three gas outlets or tubular connections between the inner and outer burner rings instead of four as seen in Figures 2 and 3.

In order that the general relation and utility of the burner may be better understood, it will be seen that the device comprises a stand including a base I which is relatively large, flat and heavy to give substantial support and adapted to rest upon the grate of a hot air furnace or kitchen range in which the device is used. The base I is adapted to support an upright central standard 2 which may be fitted in the bore of a hollow boss or socket 3 formed on and extending up from the center of the base. The upper end of the standard 2 has a T-fitting 4 mounted thereon, the horizontal nipple 5 of which is adapted for connection to or receive a supply conduit or pipe 6 connected to a supply main for gas used as fuel, and having interposed therein, a shut-off cock or valve to regulate or cutofi the supply. The supply pipe 6 leads into the fitting 4 above the upper end of the standard? and a short vertical or upright pipe 8 is threaded into the upper end of the fitting 4 to mount the burner proper on its upper end, all of said parts being of metal.

The burner comprises a casting or otherwise formed pair of annular concentric rings including inner and outer rings 9 and H] which are hollow to form pipes and connected in spaced relation by a plurality of radial pipes ll providing communication between the rings, and shown in Figures 1, 2 and 3 as four in number spaced apart 90 degrees from each other. A diametrical hollow spider or pipe l2 connects the inner ring 9 at diametrically opposite points horizontally and is provided with a central aperture and a surrounding central depending hollow boss or stem l3 in which the upper end of the pipe 8 is threaded. Thus, the gas passing into the fitting 4 from the supply pipe 6, passes upwardly into the pipe 8 and then into the pipe l2 to pass out through its open ends into the inner ring 9 and subsequently through the radial connecting pipes I l into the outer ring I0, to insure even distribution of thegas or fuel to the burner pipes. The burner pipes or rings 9 and [9 are formed with central apertured ribs M forming seats or shoulders I 5 at the inner-and outer sides thereof and having jet burner apertures I6 centrally through the ribs at the top equidistantly spaced apart throughout the entire circumferences of the rings, through which the gas or oil may issue or pass for ignition to form a multiplicity of small flames or jet-s. While the gas issuing from the burner apertures or jets may be ignited in any suitable manner, the burner is preferably provided with a pilot light or burner shown as an angular tube ll leading from the supply pipe ii outwardly or in advance of the shut-off valve or cock I and provided with a pet-cock or control valve I8 so that a small quantity or volume of gas may pass to the tip 9 of the pilot independently of the valve 1 and supply to the burner jets or apertures iii. The pilot tube ll extends upwardly through the annular space between the rings 9 and If] to ignite the gas from the jets, and as usual, is kept lighted with a small flame. An enlargement or stop collar 2i) may be provided on the tube 11 below the tip of the pilot and flame thereof to engage or span the rings 9 and at the bottom to keep the tip properly positioned.

Supported upon the shoulders or seats I5 of the rings 9 and I9, are reticulated or foraminous annular sleeves 21, 22, 23 and 24, the first two being disposed at the outer and inner seats of the ring ID or outer ring, and the latter two being disposed at or upon the inner and outer seats or shoulders [5 of the inner ring 8, but all in spaced concentric relation. The sleeves on the respective ringsv are in closely adjacent relation so that the flames of the ignited gas issuing from the burner orifices IE will impinge upon or strike the sleeves in an upward direction and insure better and more complete combustion by spreading the flames and more thoroughly combining .the gases or hydrocarbons with the air or oxygen passing or drawn upwardly between the rings and through the sleeves from the inner and outer sides thereof, thereby creating a draft upwardly, especially between the rings and causing the flames to spread and heat the sleeves to a red or white heat. This in connection with the fact that the gas or oil fuel burns with an orange blue flame, evidences better combustion and gives better heating efficiency while at the same time eliminating or greatly reducing the formation of soot or carbon to interfere therewith and also result in greater economy in fuel or gas consumption. It should be noted that the innermost sleeve 24 is shorter or lower than the other three sleeves 2 I, 22 and 23 tending to confine the heat at the top or permit the same to spread from the sleeve 24 to the sleeve 23 without giving excessive heat at the center. All of the sleeves are open ended as shown and in Figures 1 and 2 are shown as being formed of wire mesh for the purposes stated.

In the modification shown in Figure 4 of the drawings, the sleeves are represented by the same numbers primed, as 21, 22, 23' and 24, and similarly related as heretofore described, but formedof sheet metal tubes having annular horizontal or vertical rows of short slots 25 through which the air may pass to support combustion and cause the flames and heat to pass therethrough the same as in connection with the wire mesh of the reticulated or foraminous sleeves 2 l Z2, 23 and 24 as previously described. The sleeves of Figure "i'also assume a red or white heat to give high heating eificiency and prevent the formation of soot or carbon deposits due to the burning of the gas or fuel with an orange blue flame somewhat as in connection with a Bunsen burner, as is .well known and is due to the proper proportions and mixture of gas and air or oxygen to support combustion.

In Figure 5 of the drawings, a slight modification of the burner structure as to the generator or distributor ring is shown, in which instead of using four of the radial pipes l l between and con necting the rings 9 and 19, only three are used in equidistant spaced relation geometrically in somewhat Y-shape. However, it will be noted that in both forms of the arrangement of the pipes I l, the latter are staggered with relation to the ends of the diametrical spider or pipe l2 so that in both instances, an even or uniform distribution of the gases to the respective rings and burner orifices or jet apertures is insured. This is due to the fact that the gas must travel in a tortuous path before passing to and issuing from the orifices or apertures of the burner jets to be ignited in the manner heretofore explained.

From the foregoing, it will be apparent that I have provided a desirable gas burner for the fire boxes of hot air furnaces, kitchen ranges and the like which may be economically manufactured and readily assembled and connected to the gas supply line or pipe of a house to be readily and always available when needed for service. By reason of the base, the device will be firmly supported on the grate of the furnace or range in any position desired and yet, it may be easily taken apart for cleaning or replacement of any parts that may be needed after long service. It will give efficient and maximum heating service and by reason of its construction, will burn with a blue or orange blue flame, thereby reducing the formation of carbon or soot to a minimum. If fuel oil is used, the same will be heated in the rings of the generator or distributor rings and the oil may be fed under pressure together with air or steam if desired, so as to burn with efficient heating qualities once the same is ignited as by the pilot flame, but gas is preferred.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent is :v

In a gas burner, a horizontally disposed base adapted to be supported on a grate, a hollow boss formed integrally with said base, a vertically disposed upright standard in the boss on said base, a valved gas supply pipe connected to said stand ard, a burner supported on the upper end of said standard and communicating therewith, said burner including a plurality of horizontally disposed concentric hollow annular rings connected by a plurality of equi-distantly spaced pipes arranged between said rings on substantially the same horizontal plane therewith, said rings having annular top ribs with shoulders at the inner and outer sides thereof, and said ribs having a plurality of spaced apertures therethrough for passage of gas jets, and spaced concentric open ended sleeves supported at their lower ends on the shoulders at opposite sides of the ribs and apertures for impingement of the jet flames thereagainst, said sleeves having closely spaced openings therein, the open upper end of the innermost of said sleeves providing unobstructed passage of air through said end, said innermost sleeve stopping short of the upper end of the adjacent sleeve and causing the draft through the center thereof to mix with and deflect the gases rising between the innermost sleeves toward the outermost sleeve.

JOSEPH MANTERIA.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS

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