US634838A - Acetylene-gas burner. - Google Patents

Acetylene-gas burner. Download PDF

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US634838A
US634838A US71226799A US1899712267A US634838A US 634838 A US634838 A US 634838A US 71226799 A US71226799 A US 71226799A US 1899712267 A US1899712267 A US 1899712267A US 634838 A US634838 A US 634838A
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gas
acetylene
flame
burner
exits
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US71226799A
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Henry E Shaffer
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour

Definitions

  • FIG. 1 is an enlarged central vertical section of Fig. 1.
  • Fig. 2 is a central vertical section.
  • Fig. 3 is a partial side view as seen from the direction of the arrows in Figs. 1 and 2.
  • Figs. 4 and 5 represent a modification, the latter figure being a partial section on the line 5 5, Fig. 4:.
  • My improved burner has a body consisting of the hollow central stem A, having the gassupply passage 0.
  • B B are two hollow diver gent arm s having gas-passages D. D, which are divergent and communicate with the minute convergent gas-exit orifices F F.
  • a gas-supply tube is denoted by T.
  • E E denote air-supply passages which, as shown in Figs. 1 and 1, are formed by boring through the material between the gas-exits and the outlet from the mixing-chambers N N.
  • theair-passagesE and E are formed by boringfrom the rear of the arms B B through the mixing-chambers and are contracted at H R and H B, respectively.
  • two or more openings J .I J lead the air from .thepassage E to the passage N, into which the gas is delivered from the orifice F.
  • the air-supply passages delive'r air to airand-gas-mixing chambers N N adjacent the gas-exits.
  • the said chambers are partially bounded on their proigim ate sides by the faces -L L.
  • the burner produces a fiat flame at 0.
  • the jets of gas from the two exits accurately impinge as in other well known burners having opposite gas-exits adapted for the production of a single fiat flame.
  • My improvement provides, by makingthe burner body and arms of'one piece of nonmetallic refractory materiahthat the gas-exits can be properly formed and arranged to produce the desired form of flame with certaintyand without testing and altering, as in the case of composite burners, and without danger of subsequent torsion by high heat.
  • Such improved burners can also be made much cheaper than metal burners with refractory flame, the object being to remedy the beforementioned defect in such burners;
  • the herein described double jet gasburner made entire of a single piece of refractory material with divergent arms having diverging gas passages and converging gas exits and suitable air-passages all as set forth, to insure and maintain the proper form of the flame.
  • double jet gasburner made entire of a single piece of refractory material with divergent arms having divergent gas passages and converging gasexits and suitable air-passages all as set forth to insure and maintain the proper form of the flame, said air-passages leading to mixing- HENRY E. SHAFFER.

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

Description

No. 634,838. Patented Oct. 10, I399.
* H. E. SHAFFER.
ACETYLENE GAS BURNER.
(Applicntion filed Apr. 8 1899.) (Ila Modal.)
we "cams 9:11;: no" mum-M1140 WMNGTON n c UNITED STATES I PATENT OFFICE.
HENRY E. SHAFFER, OF ROCHESTER, NEW YORK.
ACETYLENE-GAS BU RNER.
SPECIFICATION forming part of Letters Patent No. 684,838, dated October 10, 1899. A gmcmm filed April 8, 1899 SerialNo. 712,267. (No me.)
fiat flame, such as have heretofore been made.
entire of metal and also'with metal arms and separable refractory tips.
My improved burner is fully described and illustrated in the following specification and the accompanying drawings, the novel fea tures thereof being specified in the claims annexed to thesaid specification.
In the accompanying drawings, represent ing my improved gas-burner, Figure 1'is a side elevation. Fig. 1 is an enlarged central vertical section of Fig. 1. Fig. 2 is a central vertical section. Fig. 3 is a partial side view as seen from the direction of the arrows in Figs. 1 and 2. Figs. 4 and 5 represent a modification, the latter figure being a partial section on the line 5 5, Fig. 4:.
My improved burner has a body consisting of the hollow central stem A, having the gassupply passage 0. B B are two hollow diver gent arm s having gas-passages D. D, which are divergent and communicate with the minute convergent gas-exit orifices F F.
A gas-supply tube is denoted by T.
E E denote air-supply passages which, as shown in Figs. 1 and 1, are formed by boring through the material between the gas-exits and the outlet from the mixing-chambers N N. In Figs. 2 and 5 theair-passagesE and E are formed by boringfrom the rear of the arms B B through the mixing-chambers and are contracted at H R and H B, respectively.
In a modification represented in Figs. 4 and 5 two or more openings J .I J lead the air from .thepassage E to the passage N, into which the gas is delivered from the orifice F.
The air-supply passages delive'r air to airand-gas-mixing chambers N N adjacent the gas-exits. The said chambers are partially bounded on their proigim ate sides by the faces -L L. In use the burner produces a fiat flame at 0. To insure this form of flame, it is nec essary that the jets of gas from the two exits accurately impinge as in other well known burners having opposite gas-exits adapted for the production of a single fiat flame.
Especial nicety and accuracy of construction are required in acetylene-burners on account of the minute size of the gas-exits and the consequent fineness of the gas=jets.
In burners of the same general form having refractory tips it has been found impracticable to cement the tips in the metal burner,-
arms so as to insure a suitable alinementof the gas .exits and jets. It is therefore the practice .to light every such burner and adjust the tips after they have been-cemented in the metal burner-arms by twisting or bending the arms by means of a suitable tool, and thus experimentally secure an adjustment suitable for the production of the desired form of flame. The practice is general and is not only troublesome, but inefficient, for the reason that the'high heat to which the burners are subjected in use causes the twisted or bent metal to return toward its original position,
whereby the gas-exits are thrown out of proper relation and. the flame changed in form.
My improvement provides, by makingthe burner body and arms of'one piece of nonmetallic refractory materiahthat the gas-exits can be properly formed and arranged to produce the desired form of flame with certaintyand without testing and altering, as in the case of composite burners, and without danger of subsequent torsion by high heat. Such improved burners can also be made much cheaper than metal burners with refractory flame, the object being to remedy the beforementioned defect in such burners;
' Having thus described my invention, what I claim is- 1. The herein described double jet gasburner made entire of a single piece of refractory material with divergent arms having diverging gas passages and converging gas exits and suitable air-passages all as set forth, to insure and maintain the proper form of the flame.
2. lhe herein described double jet gasburner made entire of a single piece of refractory material with divergent arms having divergent gas passages and converging gasexits and suitable air-passages all as set forth to insure and maintain the proper form of the flame, said air-passages leading to mixing- HENRY E. SHAFFER.
\Vitnesses:
GEO. WILsON, H. G. 1-1. Ooornn.
US71226799A 1899-04-08 1899-04-08 Acetylene-gas burner. Expired - Lifetime US634838A (en)

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