US1195160A - london - Google Patents

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US1195160A
US1195160A US1195160DA US1195160A US 1195160 A US1195160 A US 1195160A US 1195160D A US1195160D A US 1195160DA US 1195160 A US1195160 A US 1195160A
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tube
burner
vapor
heating
oil
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36Details, e.g. burner cooling means, noise reduction means
    • F23D11/44Preheating devices; Vaporising devices

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  • VAPOR-BURNER roe s'rovns VAPOR-BURNER roe s'rovns.
  • the main object of the invention is to provide a burner or stove of extremely sim ple construction, which shall be efficient and economical in Working and capable of using any suitable liquid fuel, such as ordinary kerosene or paraffin oil, or even alcohol, or methylated spirit.
  • the liquid fuel oil is vaporized in a straight tube lying transversely above the burner, said oil being fed in through a suitable filter, under air pressure in the ordinary way.
  • the vapor from this tube is discharged into one end of a bent or U-shaped mixing tube, the other end of which carries the burner.
  • the whole is surrounded by a sheet metal wall or cas- The action is started by first heating the device with a charge of methylated spirit as usual.
  • a small spirit-cup or trough may be fitted to the casing, and adapted to be moved into position for heating the vaporizer tube, and then be moved out of the way to allow the flame of the resulting kerosene or other vapor to impinge on the said tube when once the stove or 40 burner is alight.
  • the burner or stove may be used for any ordinary heating purpose, and also for heating objects of any kind or material for which gas or spirit flames can be used. It may for instance be employed to heat radiating bodies, tubes or caps for'converting the heat of the clear blue flame into radiant heat, and for this purpose the stove may if desired be fitted with silica caps or mantles.
  • Figure 1 is a vertical section of an example of a heating burner or stove according to the invention.
  • Fig. 2 is a plan thereof.
  • Fig. 3 is a detail plan view of the removable spirit cup or trough, Fig. 4 being a section thereof on the line H of Fig. 3.
  • ' a is the horizontal vaporizing tube, which 1s secured by screwing, by silver solder or otherwise, to a filter-tube or chamber 0, which is connected by a screw-joint with the supply pipe from the oil reservoir.
  • the oil is forced into the vaporizer a from a reservoir in which it is kept under air-pressure, in the manner usual in lamps or burn ers of this kind.
  • the filter-chamber 0 contains a wiregauze roll, cartridge or filling, through which the oil passes on its way to the vaporizer. Owing to the temperature acquired by the gauze or filling, the filter tube or chamber 0 although only short, serves also as a heater tube to assist in vaporizing as well as atomizing the incoming oil, this being an important feature. From this short filter tube 0 the oil is passed into the straight vaporizing tube a which is secured in a small plate a screwed on to the shell or casing hereinafter mentioned, or it might be screwed directly to the said casing.
  • the tube lies diametrically across the stove, centrally over the burner, and terminates in a smallbrass block 7 having at its lower part, a nipple of any suitable kind provided with the orifice for the vapor jet, which is directed downwardly at right angles to the At a short distance below such orifice is an air-inlet in the side of the injector or mixing tube 9, into which the vapor jet is discharged from the nipple, said et drawing in by suction the necessary quantity of air for proper combustion with a clear flame.
  • g is an ordinary regulator ring for closing the inlet g more or less as required to give the best mixture. This regulator is turned around by the small handle or finger piece 9 to uncover the hole 9 more or less as required.
  • the burner head lying centrally directly under the vaporizing tube a, as above indicated.
  • This burner head may comprise a cupshaped piece If forming as it were an annular or trough-like flange concentric with and silver-soldered around the outlet mouth of the mixing tube or injector g.
  • a small removable baffle-plate h situated directly above the mouth of the injector tube and carried by rests or feet 71.
  • the mixing tube 9 is held in position by a union nut 7 on the piece 7 and by loosening this nut the said tube 9 and the parts [a 72, can be easily removed.
  • a suitable metal casing, jacket or cylinder j say of sheet iron to protect it from drafts, this cylinder being mounted on bent iron legs or supports 70, the hookshaped tops 70 of which form rests for a kettle or other article to stand on.
  • the upright flame plays directly on the straight tube a, and easily produces the desired heating effect.
  • the preliminary heating to start the action can be effected very quickly by means of the small removable sliding trough Z (Figs. 3 and 4), which can be pushed through an aperture in the side of the easing j, and will serve to contain the neces .sary charge of methylated spirit for heating up the straight tube (a sufficiently to cause the vaporization of the incoming oil.
  • the action "proceeds as follows :-The paraffin oil forced in through the filter chamber 0 is vaporized in the hot tube and forms at or "near 9 a combustible mixture with the air which it sucks into the mixing tube 9.
  • the burner or stove may be used for any ordinary heating objects of any kind or material for which gas or spirit flames can be used. It may for instance be employed to heat radiating bodies, tubes or caps for converting the heat of the clear blue flame into radiant heat,
  • a vapor burner for paraflin, alcohol other liquid fuel, the combination of a straight vaporizing tube, a metal casing openat its top and bottom, the upper part of which supports the said vaporizing tube, a .plain vertical mixing tube having a U- shaped lower extremity, and a burner supported at the bottom of the casing by the upwardly-turned lower end of such mixing tube, substantiallyasdescribed.
  • a vapor burner for paraflin, alcohol or other liquid fuel the combination of a straight vaporizing tube,'a filter device arranged to be highly heated and placed directly in line therewith at one end thereof, a downwardly-directed nipple at the other end thereof, a mixing tube having a U-shaped curved lower extremity, a regulator for the air-inlets of the mixing tube, and a metal casing distinct from the mixing tube andcompletely open at the top and bottom, substantially as described.
  • a vapor burner for paraffin, alcohol or other liquid fuel the combination of an outer casing, a plain straight tube ex tending across the top of said casing, a filter adapted to be highly heated at one end of said tube and contained in one end of said tube, a vapor nipple at the other end of said tube,-an air and vapor mixing tube having a U-shaped lower extremity, such tube being supported by and depending from the nipcarried at the bottom of the casing directly on the upturned end of the U-shaped part of the mixing tube, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spray-Type Burners (AREA)

Description

E. L. RANDALL.
VAPOR BURNER FOR STOVES. APPLICATION FILED FEB. 17. 1915.
Patented Aug. 15, 1916.
ED STATES; PATENT @FFTQE.
EDGAR LANGLEY RANDALL, OF SOUTH HAMPSTEAD, LONDON, ENGLAND, ASSIGNOB OF THBEE-FOURTHS T0 OLIVER PRESCOTT MACFARLANE,
OF LONDON, ENGLAND.
VAPOR-BURNER roe s'rovns.
Specification of Letters Patent.
Patented Aug. 15, 1916.
Application filed February 1'7, 1915. Serial No. 8,824.
To all whom it may concern:
Be it known that I, EDGAR LANGLEY RANDALL, a subject of the King of Great Britain, residing at 11 Lithos road, South Hampstead, N. 7., in the county of London, En land, have invented certain new and useful Improvements in Vapor-Burners for Stoves, of which the following is a specification.
This invention relates to oil-vapor burners and stoves, and relates more particu= larly to burners such as used for stoves or for heating purposes generally.
The main object of the invention is to provide a burner or stove of extremely sim ple construction, which shall be efficient and economical in Working and capable of using any suitable liquid fuel, such as ordinary kerosene or paraffin oil, or even alcohol, or methylated spirit.
According to the invention, the liquid fuel oil is vaporized in a straight tube lying transversely above the burner, said oil being fed in through a suitable filter, under air pressure in the ordinary way. The vapor from this tube is discharged into one end of a bent or U-shaped mixing tube, the other end of which carries the burner. The whole is surrounded by a sheet metal wall or cas- The action is started by first heating the device with a charge of methylated spirit as usual. To this end a small spirit-cup or trough may be fitted to the casing, and adapted to be moved into position for heating the vaporizer tube, and then be moved out of the way to allow the flame of the resulting kerosene or other vapor to impinge on the said tube when once the stove or 40 burner is alight.
The burner or stove may be used for any ordinary heating purpose, and also for heating objects of any kind or material for which gas or spirit flames can be used. It may for instance be employed to heat radiating bodies, tubes or caps for'converting the heat of the clear blue flame into radiant heat, and for this purpose the stove may if desired be fitted with silica caps or mantles.
Figure 1 is a vertical section of an example of a heating burner or stove according to the invention. Fig. 2 is a plan thereof. Fig. 3 is a detail plan view of the removable spirit cup or trough, Fig. 4 being a section thereof on the line H of Fig. 3.
' tube a.
' a; is the horizontal vaporizing tube, which 1s secured by screwing, by silver solder or otherwise, to a filter-tube or chamber 0, which is connected by a screw-joint with the supply pipe from the oil reservoir. The oil is forced into the vaporizer a from a reservoir in which it is kept under air-pressure, in the manner usual in lamps or burn ers of this kind.
The filter-chamber 0 contains a wiregauze roll, cartridge or filling, through which the oil passes on its way to the vaporizer. Owing to the temperature acquired by the gauze or filling, the filter tube or chamber 0 although only short, serves also as a heater tube to assist in vaporizing as well as atomizing the incoming oil, this being an important feature. From this short filter tube 0 the oil is passed into the straight vaporizing tube a which is secured in a small plate a screwed on to the shell or casing hereinafter mentioned, or it might be screwed directly to the said casing. The tube (4 lies diametrically across the stove, centrally over the burner, and terminates in a smallbrass block 7 having at its lower part, a nipple of any suitable kind provided with the orifice for the vapor jet, which is directed downwardly at right angles to the At a short distance below such orifice is an air-inlet in the side of the injector or mixing tube 9, into which the vapor jet is discharged from the nipple, said et drawing in by suction the necessary quantity of air for proper combustion with a clear flame. g is an ordinary regulator ring for closing the inlet g more or less as required to give the best mixture. This regulator is turned around by the small handle or finger piece 9 to uncover the hole 9 more or less as required. At the other or U-shaped extremity of the tube 9 is the burner head, lying centrally directly under the vaporizing tube a, as above indicated. This burner head may comprise a cupshaped piece If forming as it were an annular or trough-like flange concentric with and silver-soldered around the outlet mouth of the mixing tube or injector g. In this cup-shaped piece is supported a small removable baffle-plate h situated directly above the mouth of the injector tube and carried by rests or feet 71. The mixing tube 9 is held in position by a union nut 7 on the piece 7 and by loosening this nut the said tube 9 and the parts [a 72, can be easily removed.
The whole is surrounded by, or inclosed within, a suitable metal casing, jacket or cylinder j (say of sheet iron) to protect it from drafts, this cylinder being mounted on bent iron legs or supports 70, the hookshaped tops 70 of which form rests for a kettle or other article to stand on.
It will be seen that the upright flame plays directly on the straight tube a, and easily produces the desired heating effect. The preliminary heating to start the action, can be effected very quickly by means of the small removable sliding trough Z (Figs. 3 and 4), which can be pushed through an aperture in the side of the easing j, and will serve to contain the neces .sary charge of methylated spirit for heating up the straight tube (a sufficiently to cause the vaporization of the incoming oil. -*After this preliminary heating the action "proceeds as follows :-The paraffin oil forced in through the filter chamber 0 is vaporized in the hot tube and forms at or "near 9 a combustible mixture with the air which it sucks into the mixing tube 9. This mixture issues from the annular space around the edge of the plate 71 and burns freely and evenly thereat, without any gauze being actually necessary around such annular space. The trough Z used in starting to heat the tube a,-is of course drawn out at this time. The flame from it can then play freely upward and keeps the tube a properly heated so insuring a continuance of the effective vaporizing of the incoming oil.
The burner or stove may be used for any ordinary heating objects of any kind or material for which gas or spirit flames can be used. It may for instance be employed to heat radiating bodies, tubes or caps for converting the heat of the clear blue flame into radiant heat,
- ale and a burner purposes, and for heating and for this sired be fitted I claim 1. In a vapor burner for paraflin, alcohol other liquid fuel, the combination of a straight vaporizing tube, a metal casing openat its top and bottom, the upper part of which supports the said vaporizing tube, a .plain vertical mixing tube having a U- shaped lower extremity, and a burner supported at the bottom of the casing by the upwardly-turned lower end of such mixing tube, substantiallyasdescribed.
'2. In a vapor burner for paraflin, alcohol or other liquid fuel, the combination of a straight vaporizing tube,'a filter device arranged to be highly heated and placed directly in line therewith at one end thereof, a downwardly-directed nipple at the other end thereof, a mixing tube having a U-shaped curved lower extremity, a regulator for the air-inlets of the mixing tube, and a metal casing distinct from the mixing tube andcompletely open at the top and bottom, substantially as described.
In a vapor burner for paraffin, alcohol or other liquid fuel, the combination of an outer casing, a plain straight tube ex tending across the top of said casing, a filter adapted to be highly heated at one end of said tube and contained in one end of said tube, a vapor nipple at the other end of said tube,-an air and vapor mixing tube having a U-shaped lower extremity, such tube being supported by and depending from the nipcarried at the bottom of the casing directly on the upturned end of the U-shaped part of the mixing tube, substantially as described.
In testimony whereof I afiix my signature in presence of two witnesses.
EDGAR LANGLEY RANDALL. Witnesses:
C. 'BARNARD BURDON,
O. J. WORTH.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.
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