US1128616A - Liquid-fuel burner. - Google Patents

Liquid-fuel burner. Download PDF

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US1128616A
US1128616A US81396114A US1914813961A US1128616A US 1128616 A US1128616 A US 1128616A US 81396114 A US81396114 A US 81396114A US 1914813961 A US1914813961 A US 1914813961A US 1128616 A US1128616 A US 1128616A
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chamber
burner
pipe
valve
liquid
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US81396114A
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Huston H Marrs
William D Terry
Huston J Marrs
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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

  • This invention relates to liquid fuel burners and has as its object to provide a burner, the construction of which is such that it may be used in practically any cook stove or heating stove or furnace either with or without pressure, and which will burn any of the ordinary fuel oils without any change in its construction.
  • Another feature of the invention resides in the particular relative arrangement of the vaporization chamber with respect to the mixing chamber and burner proper, the arrangement being such that a maximum area of the vaporization chamber will be exposed to the jets of flame.
  • Figure 1 is a perspective .view of the burner embodying the present invention.
  • Fig. 2 is a vertical sectional view through the burner.
  • the mixing chamber and burner proper includes a relatively shallow, hollow, cylindrical lower portion 1 having a bottom 2 and a top 3, and a cylindrical relatively shallow upper portion 4 which is preferably integral with the top 3 and open at'its lower end and in communication with the interior of the said lower portion 1.
  • the portion 4 is closed at its top and the portions 1 and 4 are provided each with a circumscribing series of jet openings, those in the portion 1 being indicated by the numeral and those in the portion 4 by the numeral 6.
  • the portion 4 is located concentric with respect to the portion 1 and gaseous fuel and air are admitted to the mixing chamber through a relatively short tube 7 which is fitted axially through the bottom 2 and projects upwardly within the portion 1 and terminates at its upper end immediately below the open lower end of the portion 4.
  • the bottom 2 of the mixing chamber is provided at one side with a threaded socket 8 into which is fitted one end of a short pipe or rod 9, the other end of this pipe being threaded into one branch of a T-union 10.
  • rEhe union 10 as will be presently explained, is in communication at its upper end with the vaporization chamber and at its lower end with the pipe which leads to the needle valve of the burner.
  • the vaporization chamber is indicated by the numeral 11 and is preferably in the form. of a pipe or tube of annular form.
  • a liquid fuel supply pipe 12 is fitted into the vaporization chamber at one side thereof, and fitted into the said chamber at its diametrically opposite side is a short pipe 13 connected by an elbow 14 with a pipe 15, which is in turn threaded into the upper branch of the T-union 10.
  • the vaporization chamber is to be located sufficiently near the mixing chamber to allow jets of iiame issuing from the openings 5 and 6 to impinge against the first-mentioned chamber.
  • the bottom 2 may be extended a slight distance beyond the side of the lower portion 1 of the mixing chamber so as to form a ledge 16 to catch any of the mixture which may be condensed.
  • a pipe 17 is fitted in the lower branch of the T-union 10 and connected by an elbow 18 with a pipe 19 which communicates with the casing 20 of a needle valve, the nozzle of the valve being indicated at 21 and being presented upwardly and spaced a short distance below the lower open end of the tube 7.
  • the nozzle opening is indicated at 22 and the needle valve proper, indicated at 23, is provided with the usual tapered end 24 projecting into the said opening 22.
  • the lower portion of the stem of the valve is threaded, as at 25, and adjustably fitted through a nut 26 threaded on to the lower end ofthe casing 20, the ⁇ stem being providedl with the usual hand wheel or knob 27, whereby the valve may be rotated to adjust its point or tapered end withA respect to the nozzle opening.
  • the taperof the valve be gradual and ⁇ that its tapered portion be relatively long so that as the valve is turned to closed position any accumulated matterpin the opening 22 will be discharged.
  • the casing 20 of thel valve is' provided below its connection with the pipe 19 with a surrounding drip trough or P2111 28.*
  • the liquid fuel admitted through the pipe 12 will be vaporized within thev chamber 11' by the heat from the burner proper and that the gaseous fuel thus generated will be de# livered through the nozzle of the needle valve in a vgreater or less volume depending upon the position to which the valve has been adjusted.
  • the liquid fuel may be fedeither by gravity or by pressure, but, in any event, the gaseous fuel generated therefrom will issue in a jet from the opening 22 and be discharged through the tube 7 the air being drawn in with the gaseous fuel to the mix- Copies of this patent may be obtained for ing chamber where thel two are thoroughly mixed prior to issuing from the Openings 5 and 6.
  • V'A liquid fuel burner comprising a mixing chamber and burner proper, an' intake tube leading through the bottom of said chamber, an annular vaporization chamber surrounding the mixing chamber and spaced l from and disposed above the same, a fuel valve disposed below and spaced from the intake tubel and in alinement therewith, a pipe leading downward from the vaporiza-4 tion chamber past the mixing chamber toy the fuel valve and supportingand commu-l nic'ating with said valve, anda support for theV mixing chamber leading laterallyrfroirnr said pipe.

Description

H. H. MARRS, W. D. TERRY 1 H. 1. MARRS. LIQUID FUEL BURNER. APPLICATION FILED 11111.23, 1914.
1,128,616. Patented M1116, 1915.
vHE NORRIS PETERS C0.. PHOTOJJTHU.. WASHINmuN. u. l..
nnrTu sTATEs PATENT rnroE.
HUSTON H. MARRS, `WILLIAM D. TERRY, AND HUSTON J. MARES, OF DENVER, COLORADO.
LIQUID-FUEL BURNER.
Specification of Letters Patent.
Patented Feb. 16, 1915.
Application led January 23, 1914. Serial No. 813,961.
T0 all whom t may concern Be it known that we, I-IUsToN H. MARKS. VJLLIAM D. TERRY, and HUsToN J. Manns, citizens of the United States, residing at Denver, in the county of Denver and State of Colorado,vhave invented certain new and useful Improvements in Liquid-Fuel Burners, of which the following is a specification.
This invention relates to liquid fuel burners and has as its object to provide a burner, the construction of which is such that it may be used in practically any cook stove or heating stove or furnace either with or without pressure, and which will burn any of the ordinary fuel oils without any change in its construction.
It is another aim of the invention to so construct the burner as to secure rapid and complete vaporization of the liquid fuel and its thorough mixing with the desired volume of air.
Another feature of the invention resides in the particular relative arrangement of the vaporization chamber with respect to the mixing chamber and burner proper, the arrangement being such that a maximum area of the vaporization chamber will be exposed to the jets of flame.
In the accompanying drawing: Figure 1 is a perspective .view of the burner embodying the present invention. Fig. 2 is a vertical sectional view through the burner.
Corresponding and like parts are referred to in the following description and indicated in all the views of the accompanying drawings by the same reference characters.
In the drawings, the mixing chamber and burner proper includes a relatively shallow, hollow, cylindrical lower portion 1 having a bottom 2 and a top 3, and a cylindrical relatively shallow upper portion 4 which is preferably integral with the top 3 and open at'its lower end and in communication with the interior of the said lower portion 1. The portion 4 is closed at its top and the portions 1 and 4 are provided each with a circumscribing series of jet openings, those in the portion 1 being indicated by the numeral and those in the portion 4 by the numeral 6. The portion 4 is located concentric with respect to the portion 1 and gaseous fuel and air are admitted to the mixing chamber through a relatively short tube 7 which is fitted axially through the bottom 2 and projects upwardly within the portion 1 and terminates at its upper end immediately below the open lower end of the portion 4. The bottom 2 of the mixing chamber is provided at one side with a threaded socket 8 into which is fitted one end of a short pipe or rod 9, the other end of this pipe being threaded into one branch of a T-union 10. rEhe union 10, as will be presently explained, is in communication at its upper end with the vaporization chamber and at its lower end with the pipe which leads to the needle valve of the burner.
The vaporization chamber is indicated by the numeral 11 and is preferably in the form. of a pipe or tube of annular form. A liquid fuel supply pipe 12 is fitted into the vaporization chamber at one side thereof, and fitted into the said chamber at its diametrically opposite side is a short pipe 13 connected by an elbow 14 with a pipe 15, which is in turn threaded into the upper branch of the T-union 10. It will now be apparent that the annular vaporization chamber is supported in concentric relation to the mixing chamber and burner proper, and in a horizontal plane slightly above the plane of the top 3 of the portion 1 of the said mixing chamber. This relative arrangement of the parts has been found to give satisfaction, but it will of course be apparent that if desired the vaporization chamber may be located in a higher or lower plane. In any event, however, the vaporization chamber is to be located sufficiently near the mixing chamber to allow jets of iiame issuing from the openings 5 and 6 to impinge against the first-mentioned chamber. If desired the bottom 2 may be extended a slight distance beyond the side of the lower portion 1 of the mixing chamber so as to form a ledge 16 to catch any of the mixture which may be condensed.
A pipe 17 is fitted in the lower branch of the T-union 10 and connected by an elbow 18 with a pipe 19 which communicates with the casing 20 of a needle valve, the nozzle of the valve being indicated at 21 and being presented upwardly and spaced a short distance below the lower open end of the tube 7. The nozzle opening is indicated at 22 and the needle valve proper, indicated at 23, is provided with the usual tapered end 24 projecting into the said opening 22. The lower portion of the stem of the valve is threaded, as at 25, and adjustably fitted through a nut 26 threaded on to the lower end ofthe casing 20, the `stem being providedl with the usual hand wheel or knob 27, whereby the valve may be rotated to adjust its point or tapered end withA respect to the nozzle opening. It is preferable that the taperof the valve be gradual and `that its tapered portion be relatively long so that as the valve is turned to closed position any accumulated matterpin the opening 22 will be discharged. The casing 20 of thel valve is' provided below its connection with the pipe 19 with a surrounding drip trough or P2111 28.*
It will now. be understood that the liquid fuel admitted through the pipe 12 will be vaporized within thev chamber 11' by the heat from the burner proper and that the gaseous fuel thus generated will be de# livered through the nozzle of the needle valve in a vgreater or less volume depending upon the position to which the valve has been adjusted. The liquid fuel may be fedeither by gravity or by pressure, but, in any event, the gaseous fuel generated therefrom will issue in a jet from the opening 22 and be discharged through the tube 7 the air being drawn in with the gaseous fuel to the mix- Copies of this patent may be obtained for ing chamber where thel two are thoroughly mixed prior to issuing from the Openings 5 and 6.
Having thus described the invention, what is claimed as new is:
, V'A liquid fuel burner comprising a mixing chamber and burner proper, an' intake tube leading through the bottom of said chamber, an annular vaporization chamber surrounding the mixing chamber and spaced l from and disposed above the same, a fuel valve disposed below and spaced from the intake tubel and in alinement therewith, a pipe leading downward from the vaporiza-4 tion chamber past the mixing chamber toy the fuel valve and supportingand commu-l nic'ating with said valve, anda support for theV mixing chamber leading laterallyrfroirnr said pipe. l Y t In testimony whereof we afxour signatures in presence of two witnesses.
five ce'iits e'lch, b'y addressing the Commissioner of atents',
Washington, D. C.
US81396114A 1914-01-23 1914-01-23 Liquid-fuel burner. Expired - Lifetime US1128616A (en)

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