US885105A - Hydrocarbon-burner. - Google Patents

Hydrocarbon-burner. Download PDF

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Publication number
US885105A
US885105A US38500807A US1907385008A US885105A US 885105 A US885105 A US 885105A US 38500807 A US38500807 A US 38500807A US 1907385008 A US1907385008 A US 1907385008A US 885105 A US885105 A US 885105A
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burner
hydrocarbon
stem
shell
flue
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US38500807A
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Robert J Sundberg
John Nelson
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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

Definitions

  • Our invention relates to improvements in hydrocarbon burners and its chief object is to provide a burner that will roduce perfect combustion with the use' ofP the comparatively heavy oils and es ecially of the grade having a fire test of hig degree and known
  • Other objects of our improved burner are to provide a device4 for promoting the combustion of the fuel oil by leading the supply to a generating chamber which is placed above the liame so that the heat therefrom will be used to the best advantage inva orizing the oil; and to supply a burner o such design that the fuel oil will be circulated in the proper quantity to yafford a uniform combustion without requiring valves in the induction or eduction pipes.
  • Figure 1 is an elevational view of our improved burner attached to a portable stove
  • Fig. 2 is a vertical section, enlarged, of the burner detached.
  • the numeral 10 indicates a circular oil reservoir, 11 an air pump, and 12 the filling opening, the latter having a vent cock 13, for reducing the ressure at will.
  • the said reservoir is supp ied with the usual supports 14 which are tubular in form to receive uprights 15, the u per ends of which are bent radially inward y to form horizontal bars 16 upon which utensils may rest while they are subjected to the action of the flame.
  • the function of the ai'r pump is the usual one to produce suflicient pressure above the oil-to force it through the induction pipe 17 which is concentric with the reservoir 10 its loweropen end extending approximately to the bottom thereof, so that it will always be below the level of the fuel.
  • the upper'end of said pipe has a threaded connection with a tubular stem 18, provided with an integral nut 19 ⁇ to facilitate union, an ignition cup 2O being held in position upon the upper end of the pipe 17 when assembled.
  • the stem 18 has two hollow branches 21, 22, which roject from opposite sides at different leve s, the lower branch 21 has a bore which communicates with the bore of the stem 18 and turn is in communication with a tube 24 extending vertically upward and terminating in an annular ring 25 which forms the generating chamber.
  • An eduction tube 24a placed diametrically opposite to the induction tube 24 forms a communication between the generating chamber and the said branch 22.
  • the inner end of this branch terminates in a nip le 23 which extends vertically upward an is threaded to receive a nozzle 23u which is provided with a narrow orifice through which the generated gas is delivered in a fine jet.
  • Concentric with said shell is located a flue 28, open at both ends, the lower end being approximately at the level of said shelf 26 and the upper terminating at a point just below the upper margin of the hollow generating ring 25.
  • the area within said ring above the shell 27 and flue 28 is closed by a cap or cover 29, which fits loosely upon the ring so that it can be readily removed.
  • the rim of the shelf ⁇ 26 is upturned to form aflange within which rests a conical upwardly flaring deflector 30.
  • the flue 28 fits tightly in the shelf 26 and shell 27 at its lower end nozzle is located a diaphragm or shelf26, f
  • @A hydrocarbon burner including a hollow stem, a partition in the bore of said stem, two branches communicating with the bore of the stem upon opposite sides of said parti tion and extending vertically above the stem, said branches lying in the same vertical plane, an annular generating chamber supported upon said branches and connected therewith, a perforated shell located beneath said generating chamber and concentric therewith, a vertical flue passing through an opening in the iioor of said shell and supporth ed thereby, the upper end of said flue extending approximately to the level. of the upper margin of the said annular chamber, a remov ablev cap supported upon said chamber, a rcmovable nozzle in the upper end of said stem, and a deflector surrounding the said shell.
  • ROBERT J. SUNDBICRG. JOHN NELSON itnessesz C11/is. P. ANnnnsoN, C. E. NELSON.

Description

v1\o.8a5,1`o5. l PATENTEDAPR .21,1908.
- R. J. SUNDBERG-& J. NELSON.
HYDROCARBON BURNER. APPLwATIo'N FILED JULY 22. 1907.
A TTY.
. 1HE NonRls PETSks co., WASHINGTON. n, c.
. commercially as kerosene.
ROBERT J. SUNDBERG AND JOHN NELSON, OF AURORA, ILLINOIS.
HYDROCARBON-BURNER.
Specification of Letters Patent. Application mea July 22, 1907. serial No.A 385,008.
Patented April 21, 1908.
'bon Burners, of which the following is a specification.
Our invention relates to improvements in hydrocarbon burners and its chief object is to provide a burner that will roduce perfect combustion with the use' ofP the comparatively heavy oils and es ecially of the grade having a fire test of hig degree and known Other objects of our improved burner are to provide a device4 for promoting the combustion of the fuel oil by leading the supply to a generating chamber which is placed above the liame so that the heat therefrom will be used to the best advantage inva orizing the oil; and to supply a burner o such design that the fuel oil will be circulated in the proper quantity to yafford a uniform combustion without requiring valves in the induction or eduction pipes.
We accomplish the above and other minor results by the use of the device illustrated in the accompanying drawing which forms a part of this specification and in which:
Figure 1 is an elevational view of our improved burner attached to a portable stove, and Fig. 2 is a vertical section, enlarged, of the burner detached.
Referring in detail to the drawing, the numeral 10 indicates a circular oil reservoir, 11 an air pump, and 12 the filling opening, the latter having a vent cock 13, for reducing the ressure at will. The said reservoir is supp ied with the usual supports 14 which are tubular in form to receive uprights 15, the u per ends of which are bent radially inward y to form horizontal bars 16 upon which utensils may rest while they are subjected to the action of the flame. The function of the ai'r pump is the usual one to produce suflicient pressure above the oil-to force it through the induction pipe 17 which is concentric with the reservoir 10 its loweropen end extending approximately to the bottom thereof, so that it will always be below the level of the fuel. The upper'end of said pipe has a threaded connection with a tubular stem 18, provided with an integral nut 19` to facilitate union, an ignition cup 2O being held in position upon the upper end of the pipe 17 when assembled. The stem 18 has two hollow branches 21, 22, which roject from opposite sides at different leve s, the lower branch 21 has a bore which communicates with the bore of the stem 18 and turn is in communication with a tube 24 extending vertically upward and terminating in an annular ring 25 which forms the generating chamber. An eduction tube 24a placed diametrically opposite to the induction tube 24 forms a communication between the generating chamber and the said branch 22. The inner end of this branch terminates in a nip le 23 which extends vertically upward an is threaded to receive a nozzle 23u which is provided with a narrow orifice through which the generated gas is delivered in a fine jet.
A short distance above the plane of the horizontally disposed and having a central boss slightly elevated upon which rests a cylindrical shell or grid 27 formed of perforated metal. Concentric with said shell is located a flue 28, open at both ends, the lower end being approximately at the level of said shelf 26 and the upper terminating at a point just below the upper margin of the hollow generating ring 25. The area within said ring above the shell 27 and flue 28 is closed by a cap or cover 29, which fits loosely upon the ring so that it can be readily removed. vThe rim of the shelf `26 is upturned to form aflange within which rests a conical upwardly flaring deflector 30. The flue 28 fits tightly in the shelf 26 and shell 27 at its lower end nozzle is located a diaphragm or shelf26, f
where it traverses those structures and is been partly filled with oil so as to leave a space for the compression, a small quantity of alcohol is poured into the ignition cup 20 and lighted. As soon as theburner has become sufficiently heated, the air pump 11 is operated to compress the air in the dome of the reservoir and this -will force the oil through the pipe 17 and connecting passages to the generating chamber 25. The capacity of this chamber is so proportioned to the fuel supply that the latter will become completely volatilized by the time it reaches the eduction passage 24a and the vapor will be projected in a fine stream vertically upward from the nozzle 23a through the flue 28 until it impinges against the under surface of the cap k29. There is a narrow interval between the upper margin of the iiue 28 and said cap and the vapor is deflected in every direction through this space, filling the cavity of the perforated shell 27 and finding eXit through the orifices 27a. As the et issues from the nozzle 23a and passes up into the flue 28 it receives the proper admiXture of air to produce complete combustion and this mixture when lighted at the orifices 27 *l produces an annular flame made up of the multitude of minute flames issuing from the said orifices. As the chamber 25 is located in the hottest zone of the ignited vapor it will supply a constant and uniform supply of vapor and the resulting flame will be devoid of smoke or odor. The vapor will continue to burn as long as the oil supply is kept up from the reservoir.
It will be observed that there are no valves in the burner and non e are required, and the vaporization is so complete and combustion so perfect that the tendency to foul or clog has been reduced to almost wil the only possi bility of stoppage of the ducts being at the nozzle, the fine bore of which may become clogged with dust or debris, but only when the burner has lain unused for a considerable period of time. In case such a contingency should arise it is only necessary to remove the cap 29 and pass a fine wire through the bore of the nozzle, the llumen of which is Having thus described our invention what -we claim is :h
@A hydrocarbon burner, including a hollow stem, a partition in the bore of said stem, two branches communicating with the bore of the stem upon opposite sides of said parti tion and extending vertically above the stem, said branches lying in the same vertical plane, an annular generating chamber supported upon said branches and connected therewith, a perforated shell located beneath said generating chamber and concentric therewith, a vertical flue passing through an opening in the iioor of said shell and supporth ed thereby, the upper end of said flue extending approximately to the level. of the upper margin of the said annular chamber, a remov ablev cap supported upon said chamber, a rcmovable nozzle in the upper end of said stem, and a deflector surrounding the said shell.
In testimony whereof we allx our signatures in the presence of two witnesses.
ROBERT J. SUNDBICRG. JOHN NELSON. itnessesz C11/is. P. ANnnnsoN, C. E. NELSON.
US38500807A 1907-07-22 1907-07-22 Hydrocarbon-burner. Expired - Lifetime US885105A (en)

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