US1542491A - Liquid-fuel burner - Google Patents
Liquid-fuel burner Download PDFInfo
- Publication number
- US1542491A US1542491A US664572A US66457223A US1542491A US 1542491 A US1542491 A US 1542491A US 664572 A US664572 A US 664572A US 66457223 A US66457223 A US 66457223A US 1542491 A US1542491 A US 1542491A
- Authority
- US
- United States
- Prior art keywords
- cup
- air
- shaped part
- burner
- fuel
- Prior art date
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D91/00—Burners specially adapted for specific applications, not otherwise provided for
- F23D91/02—Burners specially adapted for specific applications, not otherwise provided for for use in particular heating operations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2206/00—Burners for specific applications
- F23D2206/0057—Liquid fuel burners adapted for use in illumination and heating
Definitions
- wimrlztivrornsnnbr BERLIN (GERMANY, ASSIGNOR. TO RICHARD KAI-IN AK'rinn- 'ensnmscnur, OFJBERLIN, GERMANxA CORPORATION or GERMANY.
- My. invention relates to a. method of and means for the working of combustion burners with reviously heated air.
- My invention essentially consists in the fact that the air is conveyed to the burner so highly heated (at about 400 Gland more) that the action of the injection of the flowingfuel, and: thereby the velocity .of its stream is increased by the superheated air.
- This method may be suitablyicarriedout by producing asuper-pressure of air int-he injector-pipe by placing "the inlet, for the cold air lower than the. inlet of the injectorpipe for fuel and heated air. Owing to this difference in height, a particularly strong expansion of the upper air towards the injector is produced whereby the suctionpower of fuel stream is increased and facilitated.
- the injector pipe bforms at the same time the bottom of the expansion chamber a and carries the outer member 11 of the. burner; which is closed at the top and has: the lateral burning apertures g.
- the spreader a of the outer member of the'burner is not smooth at the bottom, but
- the spreader (9- can, at its base, be shaped in the form of a parabola.
- the injector pipe 1 is contrived to be easily exchangeable, so that for a rich fuel one with a small bore,
- the injector pipe I instead of making the injector pipe I) to be easily exchangeable, it is possible, as shown in Fig. 2, to retain the same injectorpipe, and to obtain the regulation of the air supply by having in the member o-a second cup shaped member 0
- the memberc is formed by the plate 5 which covers it as well as the part 0
- the two members 0, 0 are furnished with slits or holes 2', 2' which cover each other in such a position as to allow of the passage of the greatest volume of air.
- the air holes 2', 2' can be adjusted.
- the outer member a is put on, and by this means the regulation of the air is removed from all outside influence.
- a pin It which is screwed into the outside member a. and fits into a slot in the plate 6 the regulation of the current of air can be effected, even during combustion.
- a burner comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, a second cup-shaped part closed at its upper side and arranged above the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and provided with lateral burner openings in the side wall, and air ducts between said cup-shaped parts, leading the outer air to the intake end of the injector tube.
- a burner comprising in combination,
- a fuel pipe nipple a' cup-shaped part sur rounding the nlpple, an injector tube projecting into said cup-shaped part, and carried by the latter, a second cup-shaped part closed at its upper side and detachably arranged on the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and having its side wall projecting over the first cup-shaped part and provided with lateral burner openings, and air ducts between said cup-shaped parts, leading from the outer air to the intake end of the injector tube.
- a burner comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, and carried by the latter, a second cup-shaped part closed at its upper side and detachably ar ranged on the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and having its side wall extending downwardly below the entrance aperture of said injector tube and surrounding the first cup-shaped part to form an air channel between said cup-shaped parts, said side wall also having ,lateral burner openings near its upper edge.
- a burner comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, a second cup-shaped part closed at its upper side and arranged above the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and provided with lateral burner openings in the side wall, air ducts betweeen said cup-shaped parts leading from the outer. air to the intake end of the injector tube, and means for regulating the inflow of air arranged on the first cup-shaped part.
- a burner comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, a second cup-shaped part closed at its upper side and arranged above the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged-to form a mixing chamber into which the in jector tube directly discharges and provided with lateral burner openings inits side wall, air ducts between said cup-shaped parts, air entrance openings in the first cup-shaped part,and means turnable in the latter for regulating the flow of air.
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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
June 16, 1925.
w. CLASEN LIQUID FUEL BURNER Filed Sept. 24} 1925 fare for y jiiarzzey.
Patented June 16, 1925.
UNIT D 1,542,491 PATENT". OFFICE.
wimrlztivrornsnnbr BERLIN, (GERMANY, ASSIGNOR. TO RICHARD KAI-IN AK'rinn- 'ensnmscnur, OFJBERLIN, GERMANxA CORPORATION or GERMANY.
' LiQUID-FUEL' BURNER.
"Applicationfiledz September 24,v 1923; Serial No. 664,572..
To all whom it may-concern Be it known, that? I, IVILHELM CLAsEN, a citizen of the GermanRepublic, and resident of Berlin, Germany, have invented certain newnand ,useful Improvements in Liquid-Fuel Burners, of which the followmg is a specification.
My. invention relates to a. method of and means for the working of combustion burners with reviously heated air.
In the. burners in, general use the suction ofair and the circulation of theifuel fumes isvv only obtained bythe combustion energy of the fuel, asfor example, gas-and the flamefof these burners: is, therefore, comparatively feeble- .This is especially so in that class of burners in which heated air is used, because-the previous heating causes the air to expand and brings about a diminution ofthe volume of air sucked 111i "The mannerein wvhich the previously warmed; air is. conveyed to the fuel in these" burners, is inefficient that'- not. only is the desired aim not attained, but the contmry is; brought into effect in so far as the vital strength of the fuel stream is too freely'expanded on the sucking in of air. Owing to this, the flow of fuel loses its velocity instead of being accelerated by the heated self expanding air. This disadvantage is obviated by the method of the in ventionrs I My invention essentially consists in the fact that the air is conveyed to the burner so highly heated (at about 400 Gland more) that the action of the injection of the flowingfuel, and: thereby the velocity .of its stream is increased by the superheated air. This method may be suitablyicarriedout by producing asuper-pressure of air int-he injector-pipe by placing "the inlet, for the cold air lower than the. inlet of the injectorpipe for fuel and heated air. Owing to this difference in height, a particularly strong expansion of the upper air towards the injector is produced whereby the suctionpower of fuel stream is increased and facilitated.
The increased flow of fuel available.
through this accelerates the velocity of combustion, so that the flame, without the need of any special mechanical contrivances, as sumes the character of a blow-burner,
and consequently shows higherworking efficiency: 1 The regulatiol-i of the volume of iii-streaming air is, contrary to accepted rules, effected in this invention, after previous heating in the interior of the burner-head. The methods to be used for this may be various. The drawing showst-wo burners, Figs. 1, and. 2, in vertical section as working examples to explain the method ofrmy invention. H
one of the. walls ofthe circular canal for the airs The injector pipe bforms at the same time the bottom of the expansion chamber a and carries the outer member 11 of the. burner; which is closed at the top and has: the lateral burning apertures g.
.The spreader a of the outer member of the'burner is not smooth at the bottom, but
is so formedthat the gas mixture, streaming from the injector, is gradually directed to the apertures g of the burner. As an example, the spreader (9- can, at its base, be shaped in the form of a parabola.
By means of the-flame, the outer member of the burner becomes strongly heated. As there is a comparatively large amount ofinetal in the vicinity ofthe flame, this heating is very lasting. The air entering the circularchamber between the two members (L and 0 becomes, therefore, at once very highly-heated, and the velocity of its flow produced by the action of theinjector, becomes efficiently accelerated. A particularly favourable result. is obtainedwhen the member aas is shown by the dotted lines of Fig.,1-reaches so far down that between its lower rim and the rim of theinjectorpipe Z;- the difference in height 3 is formed.
This difference in height, together with the heating of the fuel, produces an expansion which appears as a super-pressure of air and produces a hot intense blow flame.
In order to be able to use the burner for fuel of different quality, the injector pipe 1 is contrived to be easily exchangeable, so that for a rich fuel one with a small bore,
and a thereby enlarged air channel, and for a poorer mixture, one with a wider bore and a narrower air channel may be fitted.
In this way the regulation of the supply of air from outside, which depends for its satisfactory working on the intelligence and goodwill of servants, is obviated.
Instead of making the injector pipe I) to be easily exchangeable, it is possible, as shown in Fig. 2, to retain the same injectorpipe, and to obtain the regulation of the air supply by having in the member o-a second cup shaped member 0 The memberc is formed by the plate 5 which covers it as well as the part 0 The two members 0, 0 are furnished with slits or holes 2', 2' which cover each other in such a position as to allow of the passage of the greatest volume of air. By turning the member 0 the air holes 2', 2' can be adjusted. After thisis done, the outer member a is put on, and by this means the regulation of the air is removed from all outside influence. By means of a pin It which is screwed into the outside member a. and fits into a slot in the plate 6 the regulation of the current of air can be effected, even during combustion.
As the handle or pin it is placed immediately below the flame, it can only be moved intentionally, and not by accident.
I claim as :my invention:
1. A burner, comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, a second cup-shaped part closed at its upper side and arranged above the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and provided with lateral burner openings in the side wall, and air ducts between said cup-shaped parts, leading the outer air to the intake end of the injector tube. I
2. A burner, comprising in combination,
'a fuel pipe nipple, a' cup-shaped part sur rounding the nlpple, an injector tube projecting into said cup-shaped part, and carried by the latter, a second cup-shaped part closed at its upper side and detachably arranged on the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and having its side wall projecting over the first cup-shaped part and provided with lateral burner openings, and air ducts between said cup-shaped parts, leading from the outer air to the intake end of the injector tube.
3. A burner, comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, and carried by the latter, a second cup-shaped part closed at its upper side and detachably ar ranged on the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and having its side wall extending downwardly below the entrance aperture of said injector tube and surrounding the first cup-shaped part to form an air channel between said cup-shaped parts, said side wall also having ,lateral burner openings near its upper edge.
l. A burner, comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, a second cup-shaped part closed at its upper side and arranged above the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged to form a mixing chamber into which the injector tube directly discharges and provided with lateral burner openings in the side wall, air ducts betweeen said cup-shaped parts leading from the outer. air to the intake end of the injector tube, and means for regulating the inflow of air arranged on the first cup-shaped part.
5. A burner, comprising in combination, a fuel pipe nipple, a cup-shaped part surrounding the nipple, an injector tube projecting into said cup-shaped part, a second cup-shaped part closed at its upper side and arranged above the first cup-shaped part and said injector tube respectively, the second cup-shaped part being arranged-to form a mixing chamber into which the in jector tube directly discharges and provided with lateral burner openings inits side wall, air ducts between said cup-shaped parts, air entrance openings in the first cup-shaped part,and means turnable in the latter for regulating the flow of air.
In testimony whereof I atlix my signa ture in presence of two witnesses.
lVitnesses E. lVHIrrnL, E-.- HOLZERMAN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US664572A US1542491A (en) | 1923-09-24 | 1923-09-24 | Liquid-fuel burner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US664572A US1542491A (en) | 1923-09-24 | 1923-09-24 | Liquid-fuel burner |
Publications (1)
Publication Number | Publication Date |
---|---|
US1542491A true US1542491A (en) | 1925-06-16 |
Family
ID=24666526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US664572A Expired - Lifetime US1542491A (en) | 1923-09-24 | 1923-09-24 | Liquid-fuel burner |
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US (1) | US1542491A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3000435A (en) * | 1950-04-28 | 1961-09-19 | Selas Corp Of America | Furnace burner |
RU177321U1 (en) * | 2017-07-25 | 2018-02-15 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | GAS-BURNER |
-
1923
- 1923-09-24 US US664572A patent/US1542491A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3000435A (en) * | 1950-04-28 | 1961-09-19 | Selas Corp Of America | Furnace burner |
RU177321U1 (en) * | 2017-07-25 | 2018-02-15 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | GAS-BURNER |
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