Nov.5,1946. ‘l J, L. BREES'É f . GENERATOR TYÈ‘E BURNER 'i Filed Aug. e, 194s' ' , 2,410,478 ' Patented Nov. 5, 1946 s 2,410,418 ' s’rA'rs _PATENT .Orme s 2,410,478 GENERATOR TYPE BURNER James L. Breese, Santa. Fe, N. Mex., asslgnor to Oil Devices, Santa Fe, N. Mex., a limited part nership of Illinois Application August 6, 1943, Serial No. 497,589 l 7 Claims. v(Cl. 15S-_91) 2 My invention relates to an improvement in burners and is shown in connection vwith burners in the reservoir. The passage Il then curves up of a generator type. of the parts as shown in Figure 2, and extends ` wardly and to the right, referring to the position ' to or into the bottom of the p_ot 8 as at- I3. One purpose is to provide an improved forced draft of a generator burner. The opposite end of the passage ß is partially ` closed by a circularilange> I4 with a. central aper-` Another purpose is to provide a compact body which may be employed as a blast burner or blow . ture I5. Mounted in the aperture'isa booster motor and fan unit, including a motor base I6, torch. a motor-I1 thereon, a fan shaft I8, driven by Another purpose is to provide an improved hori zontal burner with forced draft. 10 the motor, and fan vanes I9. The motor and fan unit may be mounted for ready removal in the Other- purposes will appear from time to time aperture I5 by means of any suitable system'oi’ throughout the specification and claims. spring wires 20, inwardly notched as at 2 I-to en My invention is illustrated more or less dia gage the edges of the aperture I5. A coil spring grammatically in the accompanying drawing, wherein: - A 15 22 may be compressed between the abutment 28, Figure 1 is a plan view; Figure Z-is a vertical section; . ñxed on the base-I6 and the abutment 2| on one of, the springs or spring arms 20. The eiiect is'to maintain the motor and fan unit locked in po sition by the engagement of the notches 2l with Flgure 3 is a section along the line 3-3 of` Figure 2; Figure 4 is a section along the line 4_6 of Fig 20 the edges of the aperture I5. However, the user l can readily remove the motor and fan unit by ure 2; squeezing any one of the wires 20 and thus free Figure 5 is a section similar to Figure 4, with ing the notches 2| from the' edge of the aperture. f parts in a different position. Any suitable conductive connections and selected Like parts are indicated by like characters throughout the specification and drawing.. 25 power source may be employed, the details of which do not form part o! the present invention Referring to the drawing, `I generally indicates a base container, or generator container, or va . ‘ and are therefore not disclosed. porizing chamber, adapted to serve as a fuel-res The combustion 'of the burner is controlled by varying _the supply of air to the interior of the ervoir'. Any suitable means may be employed for admitting air thereto', for example a iìller tube 301 generator chamber I. I illustrate forexample aiixed outer tube 30 vwhich extends downwardly îwith itsremovable cap s, as shown in Figure l'. through the _housing Il and into the interior of the Positioned on the top of the reservoir I is an air generator~ reservoir I.- -It is slotted as at 3l, 32 housing l shown as having a ñat bottom >5 adapt to provide an air »inlet to the space within the ed to be secured to the nat top of the container I. VIt will be understood, ofcourse, that the size, 35 generator` I and above the level of the fuel there in. v. 'I'he height of the slots is suñlcient to per shape and -proportion of the parts may be widely mit‘the device to work through a substantial var varied. 1 l _i _ iation in the level of fuel within the member I. Positioned in any suitable manner in one end Air passes into the tub'e 30 through one ormore ofthe housingl Il is aburner pot S. This pot is shown as having an inwardly curved or tapered 40 apertures 33 in vthe portion of the tube _located in the ulterior of the, air housing Il. The rate of discharge portion l, the inner edge of which de air ilow through the slots 3l and. 32 may be con ñnes the central aperture 8. It will be observed that the wall of the pot `8 is spaced inwardly from . trolled by a rotatable inner shutter tube 35, which the wall of the housing 4. The pot Wallispro is _slotted as at 36, 31. The inner tube 35 is ro-_ vided with a plurality of air inlets 9, located-at 45 tated and supported by a control rod 38 which various distances from the bottom or inner end ofthe pot and a terminal outer row of air inlet apertures Iß shown. in Figure 2 have a greater diameter and are more closely placed than the ' apertures 9. The interior of the pot 8 is put in` communication with the interior of the reservoir I by a-curved passage member Il, one end of which is herein shown as of maximum diameter, being openV to the interior of the reservoir I, as at I2, at a level above the level of the fuel 65 is secured to the tube by any suitable cross mem bers which are'shown as including a bottom hub 39 and radial arms 60. At the upper end of the tube is a limiting abutment 4I which engages the> closed top 4Z of the outer tube 30,. The member M may be provided with a handle d3 for the ro tation of the inner tube or shutter 35. The top 42 of the outer tube may be made removable, if desired, so that the device may be disassembled. Combustion may be initiated byv pouring an in 2,416,478 . 4 ' g î ?ammable liquid down through `thexouter tube y chamber, means for delivering vaporlzed fuel Il. the top I2 and the inner tube structure being previously removed. If desired, a starting cup 45 may be employed, the inflammable liquid being poured into the cupand lighted so that it will iiow down into the generator. chamber I, and from the interior of the fuel vaporlzer to the in terior of the combustion chamber, lincluding a >tubular passage, and unitary means for deliver initiate combustion therein. ~ * ing air under pressure to the interior of the fuel ` vaporizer and to the interior of the combustion » `chamber. l ’ ‘ In the use of the device, partial combustion 2. In a generator burner, a fuel va'porizer, hav takes place in the chamber l. Once combustion ing an imperforate side wall and adapted to hold has been initiated, the fuel in the chamber I is 10 a substantial volume of liquid fuel, a burner pot vapor-ized, and the vaporlzed fuel, with the b'y having a circumferential wall and an open end, products .of the limited combustion which takes said circumferential wall having a plurality of place, flow upwardly and outwardly along the . lair inlet apertures located at various distances passage il and into' the interior of the pot i. from said open end, a tubular passage adapted to There additional air is supplied to the mixture 15 deliver vaporized fuel from the interior of the through the apertures 8 and a final air supply ' fuel vaporizer to the interior of -`the burner pot. through the apertures l0. The air is supplied and unitary means for _delivering air to the in under pressure through these apertures, in re terior of the fuel vaporizer and, through said air sponse to the rotation of the fan vanes I9. It inlet apertures, to the interior of the burner pot. will be understood that, once combustion has 20 said means including an »air chamber having a been initiated, the inner shutter tube 35 is ~put portion surrounding said burner pot. , _ in position. Its length is preferably such as not 3. In a generator burner, a. fuel vaporizer, hav to mask the air inlet apertures 33. Part of the ing an imperforate side wall and adapted to hold air delivered by the fan varies flows through the a substantial volume of Vliquid fuel, a burner pot apertures and down into the member- l. Part of 25 having a circumferential wall and an open end, the air is delivered through the apertures 9 and said circumferential wall having a plurality of il and the fuelvaporized in the chamber` l flows air inlet apertures located at various >distances to the interior of the pot for conversion by the from said open end,'a tubular passage adapted to additional air supply to a completely combustible gas. ' deliver vaporized fuel from the interior of the 30 fuel vaporizer to the interior of the burner pot, and unitary means „for delivering air to the in terior of the fuel vaporizer-and, through said I have illustrated the device in a form practical for use as a blow torch for delivering a hot ñame .under pressure. to a point or area to be highly heated. It will be understood, however, that the air inlet apertures, to the interior of the burner - pot, including an air chamber having a portion parts may beso sized and proportioned -as to 35 surrounding said burner pot, and shutter means ‘ adapted to vary the rate-oi’ flow of air from said adapt the device for a heater or` burner for use ' air chamber to the interior of said fuel vaporizer. in furnaces, stoves and the like. It will be observed that' I have provided a uni .4. In a generator burner, a fuel vaporizer, tary air suppLv system which delivers air, pref havingan imperforate side wall and adapted to erably under pressure, both to a burner or burner 40 hold a substantial volume of liquid fuel, a burner pot having a circumferential wall and an open pot and to _a generator chamber in .communica end, said circumferential wall having a plurality tion »with the pot. ' It will also be observed that of air inlet apertures located at various distances the passage of air under pressure about the pot from said open end, a tubular passage adapted to not only supplies air necessary for ñnal and com plete combustion of the vaporized fuel but pro 4,5 deliver vaporized fuel from the interior of the fuel vaporizer to the interior of the burner. pot, vides a cooling curtain between thïe burner pot and unitary means -for delivering air to the in and the source of fuel supply. , It will be 'realized that whereas I have described ‘v terior of the fuel vaporizer and, through said air inlet apertures, to the interior of the burner pot, and illustrated an operative device, still many changes might be made in the size, shape, ar- ~' including an air chamber having a' portion sur rounding said burner pot, and a fan adapted to lrangement. proportion and disposition of the deliver air under pressure to the interior of said parts without departing materially from the spir air chamber and means for actuating said' fan.. it of my invention. I wish, therefore, that my 5. In a self-contained generator burner, a fuel showing’î be taken as in a large sense diagram t vaporizing chamber, having an imperforate side wall and adapted to hold a substantial body' of I employ the term "generator” vor “generator liquid fuel, an air chamber mounted on the top burner”> in relation to a burner or burner cham matic. ' ' - ' _of said vaporizing> chamber, a burner pot having ber in which some degree of combustion takes place in a -fuel chamber and generates a gaseous an >open end and a- circumferential wall with a fuel which is burned in a separate or combus 60 plurality of air inlet apertures located at vari tion chamber. Thus, I describe the element I as ous distances from said open end. said burner pot a generator container, since it contains a liquid being partially surrounded by said air chamber. l fuel and since it serves as a chamber in 'which f a tubular passage adapted to deliver vaporized a gaseous fuel is generated by combustion taking place in the generator chamber i. The chamber 65 l acts as a generator chamber. Similarly, I em fuel from the interior of the vaporizing chamber to the interior ofy theV burner pot, an air delivery passage extending from the interior of the air chamber to the interior o_f the vaporizing cham ploy the term “air chamber” 'or “air chamber element” of the element 4, which serves to de ber, the »air inlet apertures of the pot being en liver‘ air both to the generator chamber and to closed within said air chamber, unitary means for the .burner chamber, asv will be clear from Fig 70. delivering air under pressure to the interior of ure 2. ' . _` _ ì said burner ,potthrough said air inlet apertures I claim: 1. In a generator burner. a fuel vaporiz'er hav- ' ing au imperforate vside wall and adapted to hold a substantial body oi liquid fuel, a combustion u land to the interior of said vaporizing ychamber through said air inlet passage, including- a fan adapted to deliver air under pressure to the in 2,410,473 terior of said air chamber and means for actuat- ~ ing said fan. „ 6. In a self-contained generator burner, aiuel vaporizing chamber having an imperforate side wall and adapted to hold a substantial body of liquid fuel and adapted to serve as a base for the burner as a whole, an air chamber mounted » on the top of the vaporiaing chamber, a horizon-V . tally axised burner pot having an open end and ' a circumferential wall with a plurality oi' air in let apertures located at various distances from said open end, said burner pct and said apertures/ being surrounded by said air chamber.. with said open end exposed, a tubular passage adapted to deliver vaporized fuel from the interior of the , vaporlzing chamber to the interior of the burner pot, an air delivery passage extending from the' interior of the air chamber to the interior oi the vaporizing chamber, means foradjustablycon ytrolling the rate of new through said passage to \the vaporizing chamber and means for deliver»v _ ins air under pressure to the interior of said air chamber including a fan mounted on said air chamber and means for actuating it. '1. In a generator burner, a fuel' vaporìzer hav ing an imperforate side wall and adapted to hold a substantial body of liquid fuel, a combustion , chamber, means for delivering vaporized fuel from the interior of the iuel vaporizer to the in terior ofy the combustion chamber, includinga tubular passage, and unitary means for delivering air under pressure into the interior of the fuel vaporiœr and to the interior of the combustion chamber and means for varying the relative rate of air delivery to the fuel vaporizer and to the combustion chamber. J .