US1996413A - Fuel burner - Google Patents

Description

April 2,1935- M. FERNANDE'ZYFERNANDEZ 1,996,413

FUEL BURNER Filed Aug. 27, 195o 5 sheets-sheet 1 :1n/vento@ Manage? r/zarzdej fief/mzzl@ mgm? ,gf M

Abril 2, 1935. M. FERNANDEZ Y FERNANDEZ 1,995,413l

FUEL BURNER Filed Aug. 27, 195o 3 Sheets-Sheet 2 M FERNANDEZ .Y FERNANDEZ' n ,996,413

FUEL BURNER Filed Aug. 27, 1930 ln/vanto@ arme! Frrzmzde Emana@ April 2, 1935.

Patented Apr. 2, 1935 UNIT-En state?,

Lacalle' FUEL BURNEn Manuel Fernand'zyFernandez; New'Orleans, La. ApplicationAugust-27,1930, .serialNoiuavzoif This invention` relates tooil burnersand-'hasfor one of its objects the provision" ofacombustiblfmixture` generators distinguished by xibility irrits'adaptationas lan' oilat'omizerf,I vaporizer; orf

@ther objectsL of" theinvention will'lappear as the* following'- description of f an illustrative emv bodiment thereof proceeds.-

Referring' now to the'drawings-- which-form a part' oftlispeciation; andlin--which'f'thesame elemerrtisrefer-red to throughout theseveral -`iig ures,L bye the same cli'aracterspf "reference,

Figure-"1 is afvertical elevation" partly yin section -f ofFan-oiliburning-device=embodying=the-principles f oftlie:invention:

` Figure 2l* is abverticalisection-on-an enlarged` scaleg- Figure 3""is a' section' takenalong the line3-3'--` oflFi'gure `1"; y I

Figure-@#iS-asection takenalong'*thedineLIi of il'i'gure-Z Figure-5 is-a vertical* section taken' through-one offthe= expansion chambers;

` Figure fi-lis=asection`-takenf-alongf thefline 6L-6v of-"Figureit':` Y

Fgureelisaeplan viewofl 'the-oil receiving pan of the vaporizing chamber;

Figure 9 is a cross section taken along the line 9 9 of Figure 2; and

Figure 10 is a plan view showing a plurality of burners connected to a single generating and mixing chamber.

Referring now in detail to the several gures, the numeral I represents a burner casing having outlets 2 for the combustible mixture, at which outlets the mixture is ignited. A base plate 3 closes the lower part of the burner casing, being shown as riveted thereto as at 4, through cooperating anges formed on the member 3. The space 5 within the casing forms a secondary mixing chamber for rich mixture received from the atomizer or the Vaporizing chamber. Above the central part of the burner casing is a drum 9 formingfa-vapor-izing chamber.' Thisdrumi'ss'urf largedportions thereof. 'Ihelupp'er part of the.

reservoir (I3)v is coveredflb'y.y a1-funnelshapedi member I8)` havingA av central 5`v-supplypipei( I 99' extending into s'aid reservoir;A Saidf reservoir projectsfinto a main-air pipeK |42 preferably fed'f by-al blower not shown,- andlthe walllof saidiresy I ervoir is preferablyconical with-itsapex: I5 cof?nl axiall'with the air pipe Ill-, whereby l aneven an nular distribution offair issecured; 'I'liefshell-'fIZ-'f has la. neck-'354 ttin'g-I with a bushing ''fsecured tovthe base plate 3 and. it supper-ts radialfexpan# sion chambers' I 6"communicating at"oneien'd-witl'il theai-r pipe Hll-andatithe other end discharging f termediate portions of "saidiexpa'nsion chambers i being enlargedandpreferably off'opposed-"'frusto' A selectiveV supply valve 2255 extendsefthrough'f the vaporizing -drum' 9i, being in -Acommunication at oney endfwith a 'sourcefof-fliquid fuel-'supply 213.

an'd -at different zones# longitudinally ofl'said' valve A iti-is# provided'iwitlsi'f-dischargeinozzlesL 25?F 2B and 21. When it is desired to supply oil to the vaporizer, the valve is turned so that the nozzle 25 extends downwardly soy as to discharge the oil into the well 26' of the vaporizing chamber. When it is desired to supply fuel direct to the atomizer, the valve is turned so that the nozzle 26 is directed axially of the pipes 2I and I9. When it is desired to supply fuel to the priming burner i0, thevalve is turned so that the nozzle 21 positions itself so as to spill into the spout 28, which by way of the port 29 communicates with the chamber 3U of the starting burner.

The burner is provided with a drain pipe 33 for rst turned to supply the starting burner. The latten is then lighted, the liquid fuel burning directly and beginning to heat the walls of the vaporizer 9. 'Ihe supply of fuel by the starting burner is adjusted by means of the valve 3|. As soon as the Walls of the vaporizing drum 9 have become heated, the liquid fuel in the well 26 and in the annular groove 32 of the vaporizing drum, becomes vaporized, the vapor passing in two Ways, that is to say, through the pipe 2|, the pipe I9, into the reservoir `I 3, and through the fuel nozzles I1 where it entrains air from the air pipe I4 and carries the same into the expansion chamber4` where the air and fuel vapor are intimately mixed, the mixture then passing out into; the chamber 5 where it is diluted as set forth-in an earlier part of the description.` At the same time a certain portion of the vaporized fuel passes into itself with the pipes I9 and 2|, the mouth of the latter being elongated intransverse direction to prevent the fuel being spilled into the well 26'. Liquid fuel then flows direct to the reservoir I3, filling the reservoir up to the level of the fuel nozzles, the air which passes forcibly through the pipe I4 and through the annular passages surrounding the fuel pipes I'I, entraining the liquid fuel at the mouths of the pipe blowing it into atomized particles which are carried with the air into the expansion chambers and in this way :intimately mixed. The mixture of air and atomized fuel discharges into the burner chamber Where it is further diluted with air drawn in through the apertures 'I in the conduits 8.

By turning the valve to an intermediate position,vboth the nozzles 25 and 26 can discharge, the one into the vaporizer and the other into the reservoir I3. The funnel-shaped plate 20 forming part of the vaporizing drum is provided with apertures 32' affording free communication of the vaporizing fuel, with the upper unoccupied portion of the reservoir I3. l

It is apparent from the above descriptiontha my burner affords the greatest range of flexibility in its generating function, since by a simple parl tial turn of the valve 22 itsoperation acting upon the principle of vaporization is changed to that of atomization, and which by a turn of the valve of less amplitude operates according to the combined principles of vaporization and atomization.,`

and that perfect combustion can therefore be secured by slight adjustment and requiring no complication of parts.

It is to be understood that in the present drawings, I have shown only such details of construction as are necessary to illustrate the principle of the burner operation and it therefore may be regarded as largely diagrammatic, the details of construction by which the various parts are cooperativelyassembled, being in general, within the skill of the ordinary vmechanic. z

Figure 10 shows that a single mixing chamber, that is to say, a single device 33 embracing both the atomizing and vaporizing features may be used to feed a battery of burners 34 through the intermediary of a .manifold 35, and the invention is by no means limited to a single burner or a particular number 'of burners but it may be so cation with said vaporizing chamber through said.

atomizing device; a starting burner for heating the walls of the vaporizing chamber; and meansr connected to a source of liquid fuel supply for selectively supplying liquid fuel to said vaporizing chamber, said atomizing device and saidstarting burner. I

`2. The device of claim disposed discharge jets.

3. The device of claim l in which the starting burner and vaporizing chamber are-both super-1 posed above the atomizing device; and in wlfiich the selective fuel supply means comprises a conduit rotatable in said vaporizing chamberand having a plurality of discharge jets extending radially therefrom to supply fuel to said vaporizing chamber, burner or atomizing device, selectively. 4. 'Ihe device of claim 1 in which the vaporizing chamber has an inverted conical -bottom member with a central stand pipe forming an annular Well with said member, the starting burner is positioned around the lower end ofthe wall of said chamber and the atomizing device includes a reservoir positioned centrally and under said standpipe; and in which the selective fluid supply comprises a rotatable conduit member extending through the vaporizing chamber and having discharge jets extending radially therefrom to supply liquid fuel to said starting burner,Y to said Well, and to said atomizing device through said standpipe, selectively.

MANUEL FERNANDEZ Y FERNANDEZV lv inv which the selective` means for supplying fuel comprises a rotatable conduit member havinga plurality of angularly

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