US1723716A - Gas-heated furnace - Google Patents

Description

Aug. 6, 1929. J. B. ALLINGTON GAS HEATED FURNACE Original Filed Aug. 2, 1928 2 SheetsShee+ INVENTOR cfafin fi fifflh fon ms ATTORN EYS Aug. 6, 1929. J. B. ALLINGTON 1,723,716

GAS HEATED FURNACE Origifialfiled Aug. 2, 1 92s 2 Sheets-Sheet 2 n ON L M mm L m A/s ATTORNEYS Patented Aug. 6, 1929.

PNITED STATES JOHN B. ALLING'ION, OF ROCHESTER, NEW YORK.

GAS-HEATED FURNACE.

Application filed August 2, 1926, Serial No. 126,406.

The present invention relates to gas heated furnaces and an object of the invent ion is to provide a, construction which may beniadc from a minimum amount. of cast iron with maxinnnn radiating surface and will. require little or no machining and is easy to assemble. A. further object of: the invention to provide a novel construction which may be built uplrom units to produce a desired amount oi radiating surface.

To these and other emls, the invention conof certain parts and combinathms of parts, all o'l which will be hereinafter dcseribed: the novel. features being pointed out in the appended claims.

In the drawings Fig. 1 a view showing a portiijin ot the shell of the furi'laee removed to eiq'iose the units, some of which are in vertical sectioi'i;

F 2 is a view of one of the units;

Fig. 3 is a section on the line .l---.-l, F 2;

Fig. 4; shows a sectional view through the shell. with the units in elevation, the inn-nor being removed;

Fig. 5 is an enlarged section showing the manner of securing the legs or supports to the furnace.

6 and 7 are respective top and side view of one oil? the supports; and

Fig. 8 is an enlarged view of one of the units.

Referring more particularly to the drawings, 1 indicates an outer sheet metal shell forming a heating chmnber from which fines 2 lead to any suitable point. ithin thisshell is arrangml an elongated. combustion chamber ct, and an elongated flue chamber Z) connected with the coml mstion chamber by a. plurality of fines c. In. this instance, the con |bustion chamber is :li'ormed ot a plurality ot sections 3 each termed at opposite ends with internally projecting flanges at ]')l()\l(l0(l with belt openings 5, the lower portion (Jil the flanges being notched at (3 to provide a seat for a gas burner 25. These sections are held together by bolts 7, a suital'ile packing it de sired being interposed betwen the sections to form. a tight joint between them. In addi tion to the sections outer sections 3 may be employed which are bolted to the outermost sections 3 and also about an opening 8 in the shell, outside plates 9 being bolted over these i having preteladl ed.

1 which the 8 11' .C thro' pain .l he loin chain Renewed August 17, 1928.

' connerts with a section 14; ()l the flue chamber l), these sections 141 being preferably of substantially cylindrical form with intermtlly projected annular flan s 15 at opposite ends thereof, said flanges being provided with bolt openings 16 in order that these sections of the flue chamber n'lay be connected in alignment by bolts 17, suital'ile packing rings ii. desired being interposed between the flanges to provide a tight joint between the sections. The radiating member 12 eolmeets with the section 14 at one side preferably above the bottom of the section. The form of the radi' ating member 12 is such that the center of the flue section 14; is directly above the center of the combustion. chamber section 3 and this radiating member lies in the plane of the co1nbnstion chamber section and the line section, but deflected to one side of the vertical center line through the two sections. In this way it is possible to turn the radiating mem her 12 so that it projects or lies on either side ol" the center l'i no, it being preferred to project one radiating :member on one side oi. the center line and the no. radiating member on the opposite side ot the center line so that sullicient air space is 'n'ovidcd between the diitlj erent radiator II'IQHJlIlGIS illustrated, in Fig. 4. of the drawings. One of the end sections 141; of the flue may be closed by a plate 18 while the opposite end section may have a fluecollar 19 bolted thereto to permit the line E20" to be connected to the flue chamber.

lV'ith the end in view of providing a uniform distrilnltion oi the heat throughout the dillcrent units, so that any one unit will not conduct a greater supply of the gases than any one of the other units, an equalizing device provided .in the line chamber. This equalizing device is in the term of a tube oxtending through the line chamber and tightly lit ting the i1 i netcrs oi the fl l'iges 15, is preferai closed.

the radiating members to pass about the tube before entering the tube. In this way each of the radiating members conducts substantially the same amount of heat from the combustion chamber. It will be seen also that the elongated flue chamber is through the flanges divided up into a number of separate compartments, each of which communicates through a restricted opening with the interior of the tube at a point below the connection of a radiating member with a compartment. The tubular member acts as a retarding means for the products of combustion in the radiating members. It creates a pressure in r the radiating members so that the full effect of the products of combustion on the walls of the radiating members is obtained. This tubular member also acts to prevent the products of combustion from one radiating member passing downwardly through another radiating member.

It has been found that owing to the fact that the hollow radiating members 12 diverge or extend outwardly with reference to the vertical plane of the burner chamber a the heat tends to flow close to the innermost wall of the chamber and in order to properly cause the disturbance of this flow of heat, baffles 27 are arranged in the hollow radial chambers connecting two opposite side walls and spaced from the other two opposite side walls, being nearer to one of the latter side walls or the inner inclined walls than to the outer inclined walls, being nearer to the inner wall than to the outer wall so that as the heat rises it heatsthesebaflles and is deflected outwardly toward the outer side walls.

In order to support the combustion chamber, the flue chamber and the radiating mem bers with the shell 1' of each combustion chambersection 3 may have on opposite sides vertical ribs 20 of dove tail cross section, for engagement by dove tail grooves 21 in upwardly projecting portions 22-on legs orsupports 23, said legs or supports also having below said dove tailed'groove 21 rests 24 for cooperating with the underside of a section of the combustion chamber. Any suitable number of these legs or supports 23 may be used to give the desired support for the structure within the outer shell 1;

From the foregoing it willbe seen that a gas burner disposed-in the combustion chamber a will heat the latter and the products of combustion issuing therefrom will travel upwardly through the radiating members 12 through the line chamber Z) and out through the outlet flue'20. The combustion chamber and the flue chamber are formed of sections, one of the sections of each being connected to a section of the other through a radiating member forming with the two sections a unit. These units may be assembled together in any desired number to obtain a desired heating capacity, the units are reversible so as topro ject on either side of a verti ad line through the center of a combustion chamber section and the center of the flue chamber section. These units may be made of a single casting and do not require any considerable amount of machine work thereon. They give maximum radiating surface for the amount of material contained therein. By having the radiating members connect with the line chamber above the bottom of the latter, condensate will collect in the bottom of the line chamber and will eventually be \"illlOl'lZttl.

\Vhat I claim as my invention and desire to secure by Letters Patent is:

1. A gas furnace comprising a sectional combustion chamber, a sectional flue chamber having its center verti -ally above the center of the combustion chamber, and radiating members each connecting a section o l the com bustion chamber with a section of the flue chamber and being extended to one side of a center line through the centers of the two chambers.

2. A gas furnace comprising an elongated combustion chamber, an elongated flue chamber, rznliating members leading from the top of the combustion chamber and connecting with the side of a flue chamber above the bottom of the latter to provide a trap for condensate.

8; A gas furnace comprising an elongated combustion chamber, an elongated flue chamber, a plurality of radiating members lead in g from the top of the combustion chamber, one behind the other and conncctin g with the flue chamber, proximate radiating members connecting with opposite sides of the flue chamber and being deflected in opposite directions laterally with reference to a center line through the flue chamber and the combustion chamber.

4'. A unit for gas heaters comprising a. combustion chamber section, a flue chamber section having its center vertically above the combustion chamber section, and a radiating member connecting the top of the combustion chamber section with the side of the flue chamber section.

5. A unit for gas heaters comprising a combustion chamber section, a flue chamber section having its center vertically above the combustion chamber section, and a. radiating member connecting the top of the combustion chamber section witlrthe side of the flue chamber section above the bottom of the latter.

6. A gas furnace comprising an elongated combustion chamber, an elongated flue chamber, radiating members leading from the combustion chamber and connecting with the flue chamber above the bottom of the latter, partitions arranged in said elongated flue chamber between'the radiating ]l1tInl)t5l's,llUllow meansassociated with the partitions for providing compartments, said hollow means being formed with openings below the con nection oi the radiating members with said flue chamber so that the from the rad i a t i n members pass around said hollow means before entering the latter through said openings. I

7. A gas furnace con'iprising an elongated combustion chamber, an elongated flue chamber, partitions in said elongated flue chainber, a tube supported by said partitions within said elongated flue chamliier, said tube having openings in its bottom, and radiating members connecting with the combustion chamber and with the flue chamber above the openijn in said tube.

8. A gas 'lnrnaee comprising an elongated coml'iustion chan'iber, and an elongated flue chamber, arranged. above the elongated combustion chamber, and radiatil'ig members extending upwardly and outwardly from the elongated combustion chamber and turned inwardly to connect with opposite sides of the elongated flue chamber, some oi" said radiating members projecting from one side of the plane of the elongated combustion chamber and the elongated i'lue chamber, and others of said radiating members projecting on the opposite side of said plane.

9. A gas furnace comprising an elongated combus ion chamber, and an elongated flue chamber, arranged above the elongated combustion chamber, and radiatin members extending upwardly and outwardly from the elongated com bnstion chamber and. turned inwardly to connect with opposite sides oi? the elongated line clnnnber, some ol. said radiatin g members projecting from one side of the plane of the elongated combustion chamber and the elongated illue chamber, and others of said radiating members projecting on the opposite side of said plane, and baflles arranged in said radiating members in spaced relation to the innermost and outermost Walls oi the latter, being nearer to the innermost Walls.

ll). A unit for gas furnaces eml'iodying a combustion chamber section, a line ehan'iber section, a radiating member between them, a rib o'l dove-tail cross se ion, on one side of the comlnistion chamber section, and a supp'ort having a groove receiving said rib and a rest below the groove for cooperating with the bottom oil. the combustion chamber seclion.

JOHN B. ALLlNG-TON.

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