US1761566A - Gas burner - Google Patents

Description

.h`me 3, 1930. H. E. KERR 1361566 GAS BURNER E- KE RR y Strawn' June 3, 1930. H. E. KERR 1,761,556

' GAS BURNER Filed June 25, 1927 2 Sheets-Sheet l Snom/tto@ .H-E-KERR @Momma Patented .lune 3,V 1939 UNITED STATES ,PATE "ermee HARRY' E. KEER, or CLEVELAND, oriro,l AssIGNoE To THE cLEvELANnGAs BURNER aAEPLIANoE COMPANY, or GLEVELANE, oHIo, A coEroEATroN cromo Y Gas BURNER Application led June 25,

My invention relates to an improvement in gas burners, the burner embodying in part separate sets of commingling tubes such as shown and described in my Letj @ters Patent of the United States Number 1,560,248, dated November 3, 1925, and also embodying in part a gas distributing manifold which is particularly constructed with a hollow U-shaped body having hollow arms 101 upon which the commingling tubes are mounted. As constructed the burner is of combined star and horse-shoe shape to permit it to be readily mounted beneath a water heating tank or other appliance having a central pipe connection, and to permit it to produce separate vertical sheets of flame at uniform distances from the central pipe connection, the plane of each sheet of flame being at right angles to the axis `of each arm from which itis produced so that in the case of a burner having six arms the sheets of flame form a six-sided or hexagonal ligure above the burner. These sheets of flame are produced a substantial distance inwardly of the outer ends of the radial arms of the burner which permits the burner to be confined within a sheet metalcasing or housing of substantially the same size as the burner without bringing the flame in contact with the casing walls. The radial arms are also of relatively small size in cross section and widely spaced apart which permits a free and unobstructed upward draft through the burner to promote perfect combustion above the commingling tubes. The star and horse-shoe shape also reduces the amount of cast metal needed to a minimum and makes a burner of comparatively light weight for the spread thereof, thus reducing the cost of production 'and shipment of such burners. An intense heating effect is also produced by concentrating the respective sheets of llame on the hexagonal lines as shown and described.

In the accompanying drawings, Fig. 1 is a top view of my improved gas burner, the dotted lines representing the formation of the iame under normal gas pressure. Fig. 2 is a sectional view vertically through the burner on line 2 2 of Fig. 1. Fig. 3 is '1927. `semi No. 201,476.'

a horizontal section of the burner on line 3 3 of Fig. 2. Fig. 4 is a vertical section of the burner on line 4 4 of Fig. 3.

The burner comprises a cast metal manifold A of combined star `and horse-'shoe ldiverge from the `cross-connecting portion of the U-shaped body 2, and two others Bf project onA diverging lines from the extremities or toes of the side legs thereof, while the remainingfpair 3 3 extend in opposite directions from the sides of body 2. The cross-connecting part of body 2 has Va neck or intake extension 4 projecting out- '.wardly between arms 3 3, while the space or opening between the side legs of U shaped body 2 communicates with or opens into the flaring space 7 betweenarm's. The inner end 8 of space oropening 6 is yrounded to 'provide a rest' `or bearing for a vertical pipe P, see Figs. 3 and 4, and this pipe Y extends downwardly from the bottom of ahot water tankor other steam or hot water heating appliance with which the burnerV is to be used( Acasingusually con- .j finesV the burner and tank, and the flame generated by the burner plays againstthe bottom or passes upwardly around the tank. A gas supply pipe V9 connects with neck 4, and the inflowing gas` is directed against Athe rounded wall 8 at the inner end of the slot or space 6 at the center of the U-shaped body 2thus 4spreading the gas into the opposite legs of the body,and to the six diwith a raised boss 10 at its outer end, and

similar bosses 11 are formed at the juncture of each arm with body 2. Separate com- `mingling tubes 12 extend upwardly from the 'biosses 'at an inclination or angle of about forty-five degrees, each arm havingra Y pair of such commingling tubes extending toward each other on converging lines but -spaced apart a substantial distance at their upper or mouth ends. These tubes are constructed substantially as set forth in my verging arms. Each hollow arm is formed is of such small diameter that a fine stream of gas will be jetted through the tube with su'liicient force to extinguish the flame opposite the mouth of the tube under a normal gas pressure, assuming that a single tube is in action. But by using a pair of such tubes to bring two streams of gas into confluence in the open a perfect intermix of gas and air is effected entirely apart from the tubes and a spreading sheet of flame of substantial height is the result. The sheet of flame extends transversely of the arm and by mounting the respective pairs of tubes equal distances from the center of body 2 and employing say six radial arms spaced equal distances apart, the several sheets of flame will form a hollow column of flame of approximately hexagonal form. The complete figure is of smaller size than the burner itself and each sheet of iiame is produced approximately midlength of each arm and therefore a substantial distance inwardly from the outer end of the arm so that when the burner is contained within a metal casing or combustion chamber of the same or approximately the same diameter as the burner itself the flame will not play against the sheet metal wall but rise vertically apart from the wall.

What I claim, is:

l. A gas burner, comprising a hollow central body portion formed with a radially extending recess to give the body substantial U-shape form thereby adapting said body to be sleeved over a vertical pipe, and hollow arms extending on radial lines from said body, each arm having gas orifices in its top close to the juncture of said arm with said body and close to the outer end of said arm.

2. A gas burner, comprising a central hollow body portion, formed with a recess extending radially thereinto beyond the center thereof, hollow arms extending radially from said body, gas orifices in the tops of said arms close to the juncture of said body and said arms and close t0 the end of said arms, and gas and air commingling tubes secured with one end in said gas orices of said arms.

3. A gas burner, comprising a central hollow body portion having a relatively narrow recess extending radially intovsaid body portion beyond the center thereof, thereby adapting said body to be sleeved over a vertical pipe, said pipe being snugly enclosed by the rear wall of said recess, said G5 body having hollow arms extending radially ture.

HARRY E. KERR.

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