US1460369A - Mixing chamber for fluid-fuel burners - Google Patents
Mixing chamber for fluid-fuel burners Download PDFInfo
- Publication number
- US1460369A US1460369A US589613A US58961322A US1460369A US 1460369 A US1460369 A US 1460369A US 589613 A US589613 A US 589613A US 58961322 A US58961322 A US 58961322A US 1460369 A US1460369 A US 1460369A
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- Prior art keywords
- coils
- fuel
- mixing chamber
- chamber
- chambers
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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
-
- 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
- the present invention relates to fluid fuel 10 burners in combination with means for thoroughly mixing the fuel on its Way from the inlet or feedsupplylt'o the burner.
- Fig. 1 is a side elevation of the invention, partly broken away; i 2.
- One of the most -important considerations in burners of this type is that of. a' complete and uniform mixing of the constituents of the mixed fuel.
- the construction is designed for use with steam and oil, as the fuel constituents, though it is 45 to be understood that the invention is in no way to be. construed raslimited to their use.
- Air and oil, or air and steam and; oil, or a number of other combinations offuelingree clients may be equally well used of course.
- fuelroilenters the receiving chamberil through afsuitable connection2 while'steam enters through a connection 3
- receiving chamber 1 isprovide'd with a suitable base 4 by which it maybe bolted or similarly secured to the bases 5. From each base 5 extends a contin-,
- uous mixing and expansion chamber ele ment consisting of a wall 6 of continuously increasing width concentrically wound upon itself so that eachsuccessive coil is spaced at the same distance from the preceding and succeeding coil, throughout its length.
- each of these concentric spiral chambers or coils is closed by a Wall 7.
- the mixing or expansion chamber is complete and consists of a single con tinuous chamber or compartment wound upon itself in such manner as to. present successive concentric coils of'the same radial depth 'but of steadily and uniformly increasing length from the point ofconnection of the, two elements spirally outwardly toward the respective end of the chamber.
- Thecoil of the chamber is directed inwardly, that is, it begins with the'outside coil orcoilofgreatest diameter and least width and passes successively to the coil of least diameter and greatest width.v
- This last and innermost coil iterminates in an opening or delivery passage 9 extending longitudinally; in one side of the burner pipe 10 which, preferably, is integralwith the mixingand expansion chamber.
- the innermost coil constitutes the Suitable burners are threadburner pipe. ed into or onto the opposite ends of pipe or innermost coil :10, or 'eitherend. may be capped, as desired. 1
- the receiving chamber is another simple casting quickly bolted to the bases of the elements of the. mixing chamber.
- the expansion or mixing chamber as a whole, has been shown as divided laterally.
- FIG. 2 A modification, to a slightextent, is shownin Fig. 2.
- the mixing chamher is shown as comprising one half of the constructionshown in Fig. '1, as though Fig. 1 were cut laterally across between the two flanges 8-, the left hand-*hal'fremoved, and a plane discor cap plate substituted.
- the supply pipe connection would: then be slightly shifted toward the right so that it would deliver into the chamber.
- This'figure illustrates the use of the single element as amixing chamber and, therefore, only a conventional fuel connection I is shown.
- the connection of Figs. 1- and 2' may be equally well" used.
- A' gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric chambers each a continuat'ion of the preceding one and each of greater length than the'one of whichit is a continuation, means for delivering fluid fuel to the outer coil, and means for delivering it from the inner one.
- a gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric chambers each a continuation of the preceding one and each of greater length than the oneof which it is a continuation, a spirally disposed wall closing the outer ends of all of said chambers, means for delivering fluid fuel to the. outer coil, and means for delivering it from the inner coil.
- a gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric'chambers each a continuation of the preceding one and each ofregularly spirally increasing length relatively to the one of which it-is a continuation, means for deliveringfluid fuel to the outer coil, and means for delivering it from the innercoil.
- a gas mixing chamber comprising two elements each coiledupon itself-to produce concentric chambers of the same radialdepth throughout and each a continuation of the preceding one, means for connecting said elements so that the coils of e'a'ch eler'nentbecome continuations of the coils of the other, means for delivering fluid fuel to the combined outer coils, and means for delivering fluid fuel from the combined inner coils.
- a gas mixing chamber comprising two elements each coiled concentrically upon itself to produce concentric chambers,reach chamber being in continuation ofthe pre ceding one,- meansvfor connecting said elements so that-the coils ofea-ch element be.- come continuations of the coils of the other, means for deli'veringfluid fuel to the combined outer coils, and means for delivering fluid fuel from the combined. inner coils.
- a gas mixing chamber comprising two elements each coiledconcentrically and spirally uponitself to produce concentric chambers of the same radial depth throughout and each a continuation of the preceding one, those of one element being extended in an opposite direction longitudinally relatively tothose of the other, means for connecting said elements so that the coils of one become continuations of the coils of the other, meansfor delivering fluid fuel to the outer coils of said chambers and means for delivering fluid" fuel from the'innermost coils thereof.
- a gas mixing chamber comprising two elements each coiled concentrically.
- a gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric chambers each a continuation of the preceding one and each of regularly spirally increasing length relatively to the one of Which it is a continuation, aspirally disposed Wall closing the outer ends of all said chambers, means for closing the 14th day of September, 1922.
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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
Patented July 3, 1923.
IUNITEDI'STATES GEORGES DE UI E, or MONTREAL, QUEBEC, CANADA.
MIXING CHAMBER FOR FLUID-FUEL BURNERS Application filed September 21, 1922. Serial No. 589,613.
To all whom it may concern:
Be it known that I, GEORGES A. DE, GUIRE, a subject of the King of Great Britain, residing at Montreal, Province 7 of Quebec,
Dominion of Canada, have invented certain new and useful Improvements in Mixing Chambers for Fluid-FuelBurners, of which the following is a specification.
The present invention relates to fluid fuel 10 burners in combination with means for thoroughly mixing the fuel on its Way from the inlet or feedsupplylt'o the burner.
Among the main objections to burners of this general class are: incomplete mixing of the fuels, complexity of construction, cost of manufacture, liability of-the parts to get out of order, and lack of compactness. It is the aim of thepresentvinvention to overcome these and other objections and provide a simple, compact, inexpensive burner in which the fuel will be very. thoroughly and completely mixed preparatory to passing'to the point ofignition. i a.
In order tomoreclearlydisclose the construction, operationand use of the invention, reference should be had tothe accompanying drawings forming part'of the present application. .Throughout the several figures of the drawings like reference characters designate the same parts.
In the drawings i i a Fig. 1 is a side elevation of the invention, partly broken away; i 2. F ig; 2 is a sectionon line 22 of Fig. 1, and; .i Fig. 3 is a side elevation, reduced, showing one elementor half used as, the entire mixing chamber, the large end being capped. One of the most -important considerations in burners of this type is that of. a' complete and uniform mixing of the constituents of the mixed fuel. In the present instance, the construction is designed for use with steam and oil, as the fuel constituents, though it is 45 to be understood that the invention is in no way to be. construed raslimited to their use. Air and oil, or air and steam and; oil, or a number of other combinations offuelingree clients may be equally well used of course. In the present instance, fuelroilenters the receiving chamberil through afsuitable connection2, while'steam enters through a connection 3 Preferably, receiving chamber 1 isprovide'd with a suitable base 4 by which it maybe bolted or similarly secured to the bases 5. From each base 5 extends a contin-,
uous mixing and expansion chamber ele ment consisting of a wall 6 of continuously increasing width concentrically wound upon itself so that eachsuccessive coil is spaced at the same distance from the preceding and succeeding coil, throughout its length.
The outer end of each of these concentric spiral chambers or coils is closed by a Wall 7.
and each is provided with a bolting flange a 8, by which they maybe clamped'together by suitable clamping means of any wellknown kind-bolts and nuts,,for instance, as. here shown. When the two are assembled as in Fig. 1, the mixing or expansion chamber is complete and consists of a single con tinuous chamber or compartment wound upon itself in such manner as to. present successive concentric coils of'the same radial depth 'but of steadily and uniformly increasing length from the point ofconnection of the, two elements spirally outwardly toward the respective end of the chamber.
Thecoil of the chamberis directed inwardly, that is, it begins with the'outside coil orcoilofgreatest diameter and least width and passe successively to the coil of least diameter and greatest width.v This last and innermost coiliterminates in an opening or delivery passage 9 extending longitudinally; in one side of the burner pipe 10 which, preferably, is integralwith the mixingand expansion chamber. Preferably, the innermost coil constitutes the Suitable burners are threadburner pipe. ed into or onto the opposite ends of pipe or innermost coil :10, or 'eitherend. may be capped, as desired. 1
g The fuel constituents entering through 2 i and 3 will get :a preliminary mixing in 1 i from whence the mixture will pass into the first coilandthence through successive coils to the outlet 9 and thence to the burners. As it flows spirally, through the successive coils it. expands to fill the increasing volume of thecoils. This expansion i in all directions, of course, and, coupled with the oppositely directed spiral paths through which it is compelled to travel insure a very I thorough mixing of the constituents of'the fuel. To furtherinsure such completemix-j ing, the outlet opening 9, is made of thesame area as thearea of the inlet opening or first coil at the point where it receives the fuel mixture from chamber l. Consequently,the
may be inexpensively made'by two simple castingsand easily bolted together.
And the receiving chamber is another simple casting quickly bolted to the bases of the elements of the. mixing chamber.
The expansion or mixing chamber, as a whole, has been shown as divided laterally.
' threaded to receive burners.
Obviously, it might be divided longitudinailly. Likewise, ithas been shown as cut into two parts. Olearly, it might be cut into more than two parts. Thecoils in the construction illustrated,have been shown as of uniform radial depth throughout. That is not necessary. The depth might gradually increase. In that case, the spiral construction coul'dbe changed to cylindrical, no coil extending beyond any other. The innermost coil, radially forms the pipe which has its ends extended beyond the other coils and Obviously, therefore, the ends need not be extended but,
instead, might be threaded interiorly and the ends of the threaded burners screwed into them.
A modification, to a slightextent, is shownin Fig. 2. In this figure, the mixing chamher is shown as comprising one half of the constructionshown in Fig. '1, as though Fig. 1 were cut laterally across between the two flanges 8-, the left hand-*hal'fremoved, and a plane discor cap plate substituted. Of course, the supply pipe connection would: then be slightly shifted toward the right so that it would deliver into the chamber. This'figure illustrates the use of the single element as amixing chamber and, therefore, only a conventional fuel connection I is shown. Obviously, the connection of Figs. 1- and 2' may be equally well" used.
These and many other changes in the con struction, arrangement and disposition of the several parts of the invention, within the scope of the claims may be Inadewithout "in the least departing from the field and scope of the invention and itis meant to in clude all such within this application where inonly preferred forms have been disclosed by way of illustration. I I
Having thus describedmy invention, what I 'claimanddesire toprotec'tby Letters Patentj is: I
1'. A' gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric chambers each a continuat'ion of the preceding one and each of greater length than the'one of whichit is a continuation, means for delivering fluid fuel to the outer coil, and means for delivering it from the inner one.
A gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric chambers each a continuation of the preceding one and each of greater length than the oneof which it is a continuation, a spirally disposed wall closing the outer ends of all of said chambers, means for delivering fluid fuel to the. outer coil, and means for delivering it from the inner coil.
3. A gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric'chambers each a continuation of the preceding one and each ofregularly spirally increasing length relatively to the one of which it-is a continuation, means for deliveringfluid fuel to the outer coil, and means for delivering it from the innercoil.
4. A gas mixing chamber comprising two elements each coiledupon itself-to produce concentric chambers of the same radialdepth throughout and each a continuation of the preceding one, means for connecting said elements so that the coils of e'a'ch eler'nentbecome continuations of the coils of the other, means for delivering fluid fuel to the combined outer coils, and means for delivering fluid fuel from the combined inner coils.
5. A gas mixing chamber comprising two elements each coiled concentrically upon itself to produce concentric chambers,reach chamber being in continuation ofthe pre ceding one,- meansvfor connecting said elements so that-the coils ofea-ch element be.- come continuations of the coils of the other, means for deli'veringfluid fuel to the combined outer coils, and means for delivering fluid fuel from the combined. inner coils.
6. A gas mixing chamber comprising two elements each coiledconcentrically and spirally uponitself to produce concentric chambers of the same radial depth throughout and each a continuation of the preceding one, those of one element being extended in an opposite direction longitudinally relatively tothose of the other, means for connecting said elements so that the coils of one become continuations of the coils of the other, meansfor delivering fluid fuel to the outer coils of said chambers and means for delivering fluid" fuel from the'innermost coils thereof. 7. A gas mixing chamber comprising two elements each coiled concentrically. and s iral:l-y uponitself to produce concentric chambers each a continuation of the preceding one and each regularly spirally increasing in length relatively to the one of which it is a continuation, thev chambers of one element being extended in an opposite direction longitudinally relatively to those of the other element, means for connecting said elements so that the coils of one become continuations of the coils of the other, means for delivering fluid fuel to the outer coils of said chambers, and means for delivering fluid fuel from the inner coils thereof.
8. A gas mixing chamber comprising an element coiled concentrically upon itself to produce concentric chambers each a continuation of the preceding one and each of regularly spirally increasing length relatively to the one of Which it is a continuation, aspirally disposed Wall closing the outer ends of all said chambers, means for closing the 14th day of September, 1922.
GEORGES A. DE GUIRE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US589613A US1460369A (en) | 1922-09-21 | 1922-09-21 | Mixing chamber for fluid-fuel burners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US589613A US1460369A (en) | 1922-09-21 | 1922-09-21 | Mixing chamber for fluid-fuel burners |
Publications (1)
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US1460369A true US1460369A (en) | 1923-07-03 |
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Family Applications (1)
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US589613A Expired - Lifetime US1460369A (en) | 1922-09-21 | 1922-09-21 | Mixing chamber for fluid-fuel burners |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4671899A (en) * | 1985-01-29 | 1987-06-09 | Coletta Timothy C | Carburetion device for internal combustion engines |
-
1922
- 1922-09-21 US US589613A patent/US1460369A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4671899A (en) * | 1985-01-29 | 1987-06-09 | Coletta Timothy C | Carburetion device for internal combustion engines |
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