US1712326A - Burner - Google Patents

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Publication number
US1712326A
US1712326A US122132A US12213226A US1712326A US 1712326 A US1712326 A US 1712326A US 122132 A US122132 A US 122132A US 12213226 A US12213226 A US 12213226A US 1712326 A US1712326 A US 1712326A
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United States
Prior art keywords
fuel
air
nozzle
spreader
chamber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US122132A
Inventor
Brock Joseph
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Individual
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Individual
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Priority to US122132A priority Critical patent/US1712326A/en
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Publication of US1712326A publication Critical patent/US1712326A/en
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    • 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

  • the present invention is designed to improve the performance of fuel burners and broadly consists in arranging a spreader in front of a nozzle and in front of the fuel discharged through the nozzle so that the fuel is obstructed by the spreader and drawn off through the action of the air delivered through the nozzle.
  • the spread er is tubular and air is passed through the same to preserve the spreader and to add a slight amount of air for combustion.
  • Fig. 1 shows a central section through the burner.
  • Fig. 2 a plan view of the nozzle and spreader.
  • the burner comprises chamber 3 to which air is supplied through a pipe 4.
  • the chamber 3 terminates in a nozzle 5, the opening through the nozzle being preferably hushed so that the area of the opening may be varied.
  • Fuel is delivered through a fuel nozzle 6 which preferably extends into the nozzle and is carried by a fuel pipe 7 which is screwed into a socket 8 in a head 9 on the end of the chamber. Fuel is delivered to the pipe 7 through a passage 10 which is controlled by an adjustable controlling valve 10. The passage 10 is communicated through a shut-off valve 11 with a fuel supply pipe 12.
  • Air is delivered to the fuel pipe through a Y-opening 13, this opening being in addition to the opening 4 to the chamber.
  • a spreader 14 is in the form of a finger of less cross sectional diameter than the opening through thenozzle 5 and extends across the axis of the fuel nozzle 6 and is directly in the path of the fuel discharge so that as the fuel is discharged it is first deposited upon, or projected against the surface of the spreader and the fuel is whipped off of this by the air and with a very complete atomization assuring a very complete 1926.
  • the spreader is in the form of a pipe or tube and is connected by a passage 15 with the chamber 3 so that air is communicated through the spreader both to reduce its temperature and to deliver a slight amount of air for combustion.
  • the nozzle may be varied in diameter by the tube and may vary in diameter with relation to the chamber 3. While I have shown it as of a diameter reduced from that of the chamber 3 I do not Wish to be limited to such a construction.
  • the spreading finger may be varied in shape but I prefer the round finger as it seems to give a small amount of obstruction to the flow and at the same time the deposit of the fuel. on the finger iswhipped off in an atomized condition by the air force.
  • the nozzle is cylindrically shaped, thus delivering a cylindrically shaped jet.
  • air is delivered to the fuel nozzle from the chamber the fuel is ejected with its air at approximately the same velocity as the air from the chamber.
  • the fuel adhering to the Walls of the nozzle forms, in effect, a cylindrical pencil with air at the center and air surrounding this sleeve-shaped jet of fuel.
  • the fuel advances to the spreader and is thoroughly atomized by the spreader before combustion takes place, the combustion being in advance of the spreader.
  • the air passing through the spreader not only cools this spreader but also assists in atomizing the fuel.

Description

May 7, 1929. BRQCK 1,712,326
BURNER Filed July 13, 1926 is Q Q ATTORNEYS.
Patented May 7, 1929.
UNITED. STATES PATENT OFFICE.
. BURNER.
Application filed July 13,
The present invention is designed to improve the performance of fuel burners and broadly consists in arranging a spreader in front of a nozzle and in front of the fuel discharged through the nozzle so that the fuel is obstructed by the spreader and drawn off through the action of the air delivered through the nozzle. Preferably the spread er is tubular and air is passed through the same to preserve the spreader and to add a slight amount of air for combustion. Features and details of the invention will appear from the specification and claim.
The invention is illustrated in the accompanying drawings as follows Fig. 1 shows a central section through the burner.
Fig. 2 a plan view of the nozzle and spreader.
1 marks the furnace, and 2 an opening leading to the furnace. The burner comprises chamber 3 to which air is supplied through a pipe 4. The chamber 3 terminates in a nozzle 5, the opening through the nozzle being preferably hushed so that the area of the opening may be varied.
Fuel is delivered through a fuel nozzle 6 which preferably extends into the nozzle and is carried by a fuel pipe 7 which is screwed into a socket 8 in a head 9 on the end of the chamber. Fuel is delivered to the pipe 7 through a passage 10 which is controlled by an adjustable controlling valve 10. The passage 10 is communicated through a shut-off valve 11 with a fuel supply pipe 12.
Air is delivered to the fuel pipe through a Y-opening 13, this opening being in addition to the opening 4 to the chamber.
A spreader 14 is in the form of a finger of less cross sectional diameter than the opening through thenozzle 5 and extends across the axis of the fuel nozzle 6 and is directly in the path of the fuel discharge so that as the fuel is discharged it is first deposited upon, or projected against the surface of the spreader and the fuel is whipped off of this by the air and with a very complete atomization assuring a very complete 1926. Serial N0. 122,132.
and efiicient combustion. Preferably the spreader is in the form of a pipe or tube and is connected by a passage 15 with the chamber 3 so that air is communicated through the spreader both to reduce its temperature and to deliver a slight amount of air for combustion.
The nozzle may be varied in diameter by the tube and may vary in diameter with relation to the chamber 3. While I have shown it as of a diameter reduced from that of the chamber 3 I do not Wish to be limited to such a construction. The spreading finger may be varied in shape but I prefer the round finger as it seems to give a small amount of obstruction to the flow and at the same time the deposit of the fuel. on the finger iswhipped off in an atomized condition by the air force.
It will be noted that the nozzle is cylindrically shaped, thus delivering a cylindrically shaped jet. Where air is delivered to the fuel nozzle from the chamber the fuel is ejected with its air at approximately the same velocity as the air from the chamber. The fuel adhering to the Walls of the nozzle forms, in effect, a cylindrical pencil with air at the center and air surrounding this sleeve-shaped jet of fuel. The fuel advances to the spreader and is thoroughly atomized by the spreader before combustion takes place, the combustion being in advance of the spreader. The air passing through the spreader not only cools this spreader but also assists in atomizing the fuel.
What I claim as new is In a burner, the combination of an air chamber terminating in a nozzle; means for supplying air under pressure to the charm her; a fuel nozzle discharging in a jet into the air stream from the chamber; a hollow curved finger extending across the axis of the fuel jet spreading the fuel, the finger acting on the fuel to atomize the same in advance of combustion of the fuel; and means supplying air to the curved finger.
In testimony whereof I have hereunto set my hand.
JOSEPH BROCK.
US122132A 1926-07-13 1926-07-13 Burner Expired - Lifetime US1712326A (en)

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US122132A US1712326A (en) 1926-07-13 1926-07-13 Burner

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440491A (en) * 1935-03-21 1948-04-27 Des Vehicules Sev Soc Et Oil burner
US2510240A (en) * 1946-03-28 1950-06-06 Reubin E Mayo Solid fuel stoker, including auxiliary air feed means
US2518364A (en) * 1946-10-19 1950-08-08 Surface Combustion Corp Direct fired air heater
US2550848A (en) * 1948-03-16 1951-05-01 American Steel & Wire Co Method of operating open-hearth furnaces
US2635009A (en) * 1948-05-22 1953-04-14 Surface Combustion Corp Oil atomizer for burners
US2682301A (en) * 1948-03-16 1954-06-29 United States Steel Corp Liquid fuel burner
US3087532A (en) * 1958-08-01 1963-04-30 Exxon Research Engineering Co Method of reducing noise in oil burners
US4714199A (en) * 1986-05-09 1987-12-22 Heath Allan B Liquid atomizing nozzle for spray apparatus
US6155501A (en) * 1997-10-17 2000-12-05 Marketspan Corporation Colliding-jet nozzle and method of manufacturing same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440491A (en) * 1935-03-21 1948-04-27 Des Vehicules Sev Soc Et Oil burner
US2510240A (en) * 1946-03-28 1950-06-06 Reubin E Mayo Solid fuel stoker, including auxiliary air feed means
US2518364A (en) * 1946-10-19 1950-08-08 Surface Combustion Corp Direct fired air heater
US2550848A (en) * 1948-03-16 1951-05-01 American Steel & Wire Co Method of operating open-hearth furnaces
US2682301A (en) * 1948-03-16 1954-06-29 United States Steel Corp Liquid fuel burner
US2635009A (en) * 1948-05-22 1953-04-14 Surface Combustion Corp Oil atomizer for burners
US3087532A (en) * 1958-08-01 1963-04-30 Exxon Research Engineering Co Method of reducing noise in oil burners
US4714199A (en) * 1986-05-09 1987-12-22 Heath Allan B Liquid atomizing nozzle for spray apparatus
US6155501A (en) * 1997-10-17 2000-12-05 Marketspan Corporation Colliding-jet nozzle and method of manufacturing same

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