US1429598A - Oil burner - Google Patents

Description

C. H. LEWIS.

ou. BURNER.

APPLICATION FILED OCT. 27| |921.

Patented Sept. 19, 1922.

2 SHEETS-*SHEET l.

abbo@ 19W C. H. LEWIS.

OIL BURNER.

APPLICATION FLLED ocT. 2'7, 1921.

1,429,598. PatentedSept. 19, 1922.

2 SHEETS-SHEET 2.

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Patented Sept. 19, 1922.

U'Nirsu lstares `CHARLES H. LEWIS, F SYRAC'USE, NEW YORK.

OIL BURNER.

Application fried october 2v, 1921. seriai Np. 510,858.

To all whom t may concern Beit known that I, Ci-rAnLns I-I. Lewis,

a citizen of the United States, residing at Syracuse, in thev county of Onondaga and 5 State of New York, have invented lcertain new and useful Improvements in Oil Burners, of which the following is aspecification. l

This invention' relates to improvements in oil burners, designedvfor use` in connection with steam generators, furnaces, cooking and heating appliances, and the like, and has for its object to provide a vapor-fuel generator which is novel, simple and compact in construction,.which` produces the maximum heat by the consumption of ay minimum of fuel, and which burns the fuel vwithout any waste or odor. A, vfurther object is to provide a burner of the class, which effects its own vvapor-ization of the liquid fuel, and feeds the vapor by gravity to a plurality of jet-burners whichy are located below the vaporizing chamber, andwherein the flames from the jets envelop the vapori?.- ing member which is disposed :between the jets and the boiler or other element to be heated. A further object is to provide novel and simpleauxiliary heating means for warming-up the burner parts and for effecting the initial vaporization'of the liquid fuel. A further object is to provide means whereby the several jet-burners may be operated singly or in multiples.` And a further object is to providenovel heat-andame deflectors for spreading the flames rising from the jets for evenly ydistributing the heat to boilers and the like. I

I attain these objects. by the means set forth in the detailed .description which follows. and as illustrated by the accompanying drawing, in whichl v Figure 1 is a top-plan view of the complete device embodying my improvements. FigQiSa front side elevation of the same, which includes a fragment of a boiler.: Fig. .3 is an end elevation. Fig. 4is a central vertical cross-section, taken on line 4-4 ofv Fig. 2. And Fig. 5 is a central verticalseci tion through one ofthe valve-controlled jets. i In the drawings, 2 represents the base of y the burner, comprising a relatively large shallow rectangular hopper-like pan, which supports `all of the vaporizing'and gas-burning parts withinthe margins of its normally open top, and 2f represents similar apertured lateral integral extensions by which the device may be handled as well as secured to a support. The four `inner corners of the pan are provided with similar integral bosses or pedestals 2, whose height corresponds to the top margins of the pan. These bosses serve as point contacts for supporting all of the other burner parts. 3 represents an annular gas or vapor reservoir, which is directly supported upon the bosses 2a by. means of radial integral lugs 3, which ein tend beyond the periphery of the body 3. The lugs 3 register with the bosses 2a and are perforated `to receive screws 3X, which are driven intol threaded holes in the tops of the bosses, for rigidly holding all of the burner parts together. The interior of the reservoir 8 comprises a continuous unrestricted passage 3a for the gas or vapor. This annular part 3 receives the gas or vapor bylmeans of a plurality of radialor diametrical conduits -or hollow arms 3b and 3c, all of which intersectv at the common center of the ring 3, The arms 3* 3C are preferably cast integrally with they reservoir,` and all of said parts are preferably disposed in a common horizontal plane, as shown in Figs. 2, 3 and 4. By providing a number of the arms Sib-3, the gas is conducted to the four cardinal V.points of the reservoir simultaneously. 4 represents a vertical feed pipe. which rises from the center of thereservoir 3, the lower end of said pipe being tightly screwed into a threaded hole 3d, which communicates with all of the arms lib-3C. The upper threaded end of the pipe or pedestal 4 screws into an opening '5 in the bottom side of a hollow elevated. body 5, the said .pipe preferably being the sole support for said body. The part 5, hereinafter referred toas the vaporizer,- is hollow throughout its length for providing a relatively large vaporizing chamber 5a, as Shown in Figs. 3 and 4. One end of the vaporizer 5 is closed, while- -the opposite end has a threaded opening 5b to receive one endof an yoil-supply pipe 6', which may receive the oil from a tank (not shown) or other source by gravity. `The oil (preferably kerosene), shown at 7 in Fig. .4, upon entering the chamber 5a of thevaporizer, lies at the bottom of said chamber until it is` vaporized by the action of the heat, as will presently appear, and for this purpose, the top end 4 of thepipe 4 preferably eX-` tends some distance above the inner bottom surface of the body 5 (see Figs. 2, 3 and 4).

The vaporizer 5 may be made in any convenient form, but the chamber 5a is *prefer-y into the annular' reservoir cavity 3a. The

heat for initially vaporizing the kerosene 7 is preferably derived from-alcohol 2*, which is poured into the pan 2 and ignited in advance of the regular firing of the burner. Enough of the alcohol should be placed in the pan 2 to insure lthe thorough warmingup of all of the burner parts w-hich are supported above the pan 2. By the time the alcohol 2X is all consumed, the temperature of the vaporiZer- 5is sufficient to start rthe vaporizing of the oil 7.v In order to provide in a suitable manner for the subsequent and continuous heating of the vaporizer 5, certain of the radial arms, as 3b, are fitted with jet-burners 3f, which are disposed directly beneath the elongated vaporizer y5. Any suitable number of the jets 3f may be provided, and they may be spaced equidistantly or otherwise from the pipe 4 (see Figs. l, 2 and 4). As soon as the vaporized oil begins to escape through the jets 3f, Ithe flames of the alcohol 2X -ignites the vapor, and thereafter', as long as the kerosene 7 is supplied to the chamber 5a, the jets 3f will continue to burn with an intense heat and maintain the vaporizer at the yproper temperature for effecting the volatilization of the oil. The kerosene 7 is preferably fed to the vaporizer 5 through ya common needlevalve (not shown), which may be located in the pipe 6, and by means of wh-ich the feed may be safely and properly regulated, in a well-known manner. The gas flames which rise from the jets 3f strike against the bottom surface of the body 5, and then spread and substantially envelop the lsaid part, and these Haines, or the hea-t therefrom, continue to rise above the vaporizer 5 for heating a relatively large area of a boiler or other part, as 8, which may be positioned above the burner (see Fig. 2). The

gas which flows from the arms 3b-3C into the annular reservoir 3, is burned by means of a plurality of jets 9, which are preferably positioned at more or less regular intervals around the top side of the reservoir '3, as best seen in Fig. l. The jets 9 are preferably controlled by similar cocks or valves 9C, each cock having a handle 9d by which it is manipulated. The lower` ends 9e of the valve-bodies are screwed into threaded openings in the top side of the reservoir (see Fig. 5) vfor drawing the vapor from the passage Sa. Above each cock 9C is disposed a vhorizontal preferably disc-shaped deflector .or spreader 10against` whose underside the llames from the jets 9 strike. The deflectors are supported by brackets 10, the said parts preferably being integral, as shown. The lower ends l0, are threaded for screwing on to the top-ends 9 of the valve-bodies (,see Fig. 5). The jets 9 may be 'integral parts of the arms l0, as shown. lThev jet-burners 9 all yield directheat -to the underside of the boiler I8, while -the -jets 3f direct'lyheat the vaporizer 5, after which the unabsorbed heat from' these 'jets ascends `towards the-central bottom portion of the boiler, which is not directly heated by the jets 9. By this construction and arrangement of the burner and the several jets, a relatively large boiler surface may be effectually and evenly heated. The heating capacity of the burner may be enlarged by increasing the number of the jets 9, which receive the vapor from `the annular reservoir 3, and these jets may be operated either singly or `in multiples, at will, by means of the several cocks 9.

rllhe operation of my improved kerosene burner is as follows: To start the burner, the cocks 9c should all be shut off, as shown in Fig. l. The operator should then turn a small quantity of the vkerosene 7 into the chamber 5 of the vaporizer, as shown in Fig. 4, after which the ,supply ofthe kerosene should be temporarilyl shut olf. A suitable quantity of the alcohol 2X should next be poured into the pan 2 and lighted. lt generally requires two or three minutes for the burning alcohol to properly heat-up the metal of the superposed burner parts. At the end of this interval, the kerosene 7 in the chamber 5a usually begins to vvaporize, and the vapor passes down through the pipe 4 and into the arms Bb-BC, and escapes through ,the two normally open jets 3f. This initial vaporizing of the oil 7 generally takes placebefore the alcohol flames die out, and the latter invariably `ignites the vapor at the jets 3f. The operator should then open one or 'more of the jets 9, and at the same time adjust the lsupply valve (not shown) carried by the pipe 6, so as to provide a steady feed of the kerosene to the chamberI 5, for the duration of the heating period. The liquid fuel delivered to the vaporizer 5 should never be allowed to overflow the top-end of the pipe 4 and iloodthe passages 3a of the reservoir and the arms 53h-8. It is the intention of the present invention to effect the vaporization of the kerosene entirely within the chamber 5, which is preferably positioned at such an elevation above the reservoir 3, as to co-operate with l wards the boiler 8. In order to accomplish this vaporization safely and economically, the level of the kerosene in the chamber 5a should be maintained slightly below the topend of the pipe 4, as shown in Fig. 4. By disposing the vapor feed pipe 4 at the center of the reservoir 3, whereby it is completely surrounded by the jets 3f and 9, the temperature of the vapor is maintained at a high degree until it reaches the said jets. This insures a more perfect combustion of' the vapor and prevents waste of the fuel as well as the disagreeable odors common to kerosene burners. At the end ofthe heating period, the operator simply shuts off the supply of the kerosene tothe chamber 5a and also closes the several jets. In a few minutes the generation oli the inflammable vapor will cease, and the llames at the several open jets will die out, without further attention or care.

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

l. A kerosene burner, including a hopper-like base, an annular reservoir mounted on said base, hollow radial arms bridging the central opening in the reservoir and communicating therewith, a hollow vaporvizing member disposed above and parallel to the reservoir and registering with one of said radial arms, a vertical conduit connecting said member with all of said radial arms, the said radial arms having jets adapted to heat said member for vaporizing liquid fuel, jet-burners mounted on said reservoir and partially encircling said member, and cocks for controlling said jet burners.

2. A kerosene burner including an annular reservoir, hollow radial arms bridging the central opening of said reservoir and communicating therewith, a hollow Vaporizing member disposed above and parallel to the reservoir and registering with two aligning radial arms, a vertical gas conduit conpoint of convergence of the said arms and communicating therewith, a hollow vaporizing member mounted on said pedestal adapted to discharge vapor downwardly thro-ugh said pedestal into said arms to be distributed to different parts of said reservoir, and jets carried by registering arms for directly heating said vaporizing member.

4. ln a burner for heating boilers and the like, a hopper-like tire-pan, an annular reservoir disposed in the top of the fire-pan and having a number of jet burners, hollow arms disposed diametrically across the opening in the reservoir and provided with gas-jets, a hollow pedestal rising from and communieating with the converging ends of said arms, and a hollow member mounted on said pedestal adapted to vaporize oil when heated by the said gas-jets.

5. In a Jfuel-oil burner, a hopper-like lirepa-n, an annular reservoir disposed horizontally overthe mouth of the pan and having aI plurality of gas-jets rising from its top side, flame-and-heat deectors disposed coaxially above said gas-jets, hollow radiali arms bridging the opening in said reservoir and converging at the center of said opening, gas burners carried by said arms, a vaporizer disposed parallel to said arms and receiving heat from the said gas burners, and. a hollow pedestal for elevating said vaporizer to substantially the same plane as said delectors.

yv signature.

LWIS.

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