US3736752A - Combustion chambers - Google Patents
Combustion chambers Download PDFInfo
- Publication number
- US3736752A US3736752A US00157460A US3736752DA US3736752A US 3736752 A US3736752 A US 3736752A US 00157460 A US00157460 A US 00157460A US 3736752D A US3736752D A US 3736752DA US 3736752 A US3736752 A US 3736752A
- Authority
- US
- United States
- Prior art keywords
- burner tube
- pipe
- outer enclosure
- power plant
- zone
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/26—Construction of thermal reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/164—Control of the pumps by bypassing charging air the bypassed air being used in an auxiliary apparatus, e.g. in an air turbine
- F02B37/166—Control of the pumps by bypassing charging air the bypassed air being used in an auxiliary apparatus, e.g. in an air turbine the auxiliary apparatus being a combustion chamber, e.g. upstream of turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/14—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/34—Gas-turbine plants characterised by the use of combustion products as the working fluid with recycling of part of the working fluid, i.e. semi-closed cycles with combustion products in the closed part of the cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C5/00—Gas-turbine plants characterised by the working fluid being generated by intermittent combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/06—Arrangement of apertures along the flame tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/14—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a fuel burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/36—Arrangements for supply of additional fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the combustion chamber has a burner tube whose closed end has at least one fuel injector and whose open end emerges into a pipe leading the gaseous mixture towards its position of use.
- the burner tube includes a number of orifices distributed circumferentially and along axially staggered sections.
- An outer enclosure is arranged around the burner tube and connected in sealed manner to the open end of the said burner tube.
- a first pipe, supplied with oxygen-rich gas, is connected in the neighborhood of the closed end of the burner tube.
- a second pipe supplied with oxygen-poor gas is connected in the neighborhood of the open end of the burner tube.
- the invention relates to combustion chambers supplied, on one hand, by fuel, and, on the other hand, both by gas rich in oxygen intended for ensuring the combustion and by a gas poor in oxygen intended to be mixed with the gases resulting from the combustion.
- the invention relates more particularly, but not exclusively, among these combustion chambers, to those applied to the reheating of exhaust gases (gases poor in oxygen) from an internal combustion engine supercharged by a turbocompressor unit, of which the compressor supplies in parallel the said internal combustion engine and the combustion chamber (gas rich in oxygen).
- the combustion chamber according to the invention includes a burner tube of which the closed end bears at least one fuel injector and of which burner tube the open end opens into a pipe leading the gaseous mixture towards its position of use, this burner tube including a certain number of orifices distributed circumferentially and along sections staggered axially, and it is characterized by the fact that an outer enclosure is arranged around the bumer tube and is connected in sealed manner to the open end of the said burner tube, said outer enclosure being supplied, on one hand, with gas rich in oxygen, by first means, in the neighborhood of said fuel injector, and, on the other hand, with gas poor in oxygen, be second means, more remote from said fuel injector.
- the ratio between the flow rate of the oxygen-rich gas and the flow rate of the oxygen-poor gas can vary without the organization of the combustion in the burner tube being disturbed, since there is produced in fact in the space bounded by the outer enclosure and the burner tube a zone of separation between the oxygen-rich gas and the oxygen-poor gas, this zone of separation moving when the abovesaid ratio varies.
- the invention consists, apart from the main feature which has just been considered, of certain other features which are preferably used at the same time and which will be more explicitly considered below.
- FIG. 1 is a diagrammatic section of a combustion chamber constructed according to the invention
- FIG. 2 is a diagrammatic section of a second embodiment of a combustion chamber constructed according to the invention.
- FIG. 3 shows diagrammatically a supercharged Diesel engine equipped with a combustion chamber according to a first embodiment of the invention
- FIG. 4 shows diagrammatically a supercharged'Diesel engine equipped with a combustion chamber according to a second embodiment of the invention.
- the combustion chamber shown in FIGS. 1 and 2 includes a burner tube 1 whose closed end 2 bears a fuel injector 3, and whose open end 4 opens into a pipe leading the gaseous mixture towards its position of use.
- the burner tube 1 includes a certain number of orifices 7 distributed circumferentially and along sections staggered axially.
- An outer enclosure 8 is arranged around the burner tube 1 and is connected in a sealed manner to the open end 4 of the said burner tube 1.
- a first pipe 9 (constituting the first means) supplies, with air emerging from the compressor 6b of the turbocompressor 6, the portion of this enclosure 8 situated in the vicinity of the fuel injector 3, i.e. near the closed end 2 of the burner tube 1.
- a second pipe 10 (constituting the second means) supplies, with exhaust gases emerging from the Diesel engine 5, the portion of this enclosure 8 situated more remote from the fuel injector 3, i.e. in the neighborhood of the open end 4 of the burner tube 1.
- the outer enclosure 8 can surround the burner tube 1 at the level of its closed end 2, it seems preferable to arrange this outer enclosure 8 so that it is connected in sealed manner on the burner tube 1 at the level of its closed end 2.
- the first pipe 9 is connected to the outer enclosure 8 through a distributing tank 11. a
- the second pipe 10 As for the second pipe 10, and according to the embodiment illustrated in FIG. 1, it is connected to the outer enclosure 8 through a distributing tank 12.
- this second pipe can also, according to the embodiment illustrated in FIG. 2, be connected to an annular enclosure 13 through a distributing tank 14,
- this annular enclosure 13 surrounding the outer enclosure 8 at the level of its wall neighboring the open end 4 of the burner tube 1, orifices 15, distributed circumferentially and along sections staggered axially, being arranged in the wall of the outer enclosure 8 to ensure the passage of gases from the annular enclosure 13 to the outer enclosure 8.
- This arrangement enables a better distribution of the exhaust gases in the outer enclosure 8 to be obtained.
- the burner tube 1 As regards the burner tube 1, it is provided, between its combustion zone In and its mixing zone lb, with axial slits 16 through which air cools the walls of the mixing zone 1b.
- the first pipe 9 is coaxially disposed with the burner tube 1 and surrounds its closed end 2.
- the second pipe 10 is also coaxially disposed with the burner tube 1 and surrounds the first pipe 9, the cross-section of said second pipe being annular.
- the combustion chamber constructed according to the invention is the seat of a combustion which is stable and independent of the ratio between the flow rate of combustion gas and the flow rate of air, which ratio is essentially variable in the case of a supercharged Diesel engine.
- a power plant comprising an internal combustion engine provided with an intake manifold and an exhaust manifold, said internal combustion engine being turbo-charged by at least one compressor driven by at least one turbine and a combustion chamber comprismg:
- a burner tube having a closed end provided with at least one fuel injector and an open end communicating with said turbine, said burner tube including a plurality of orifices circumferentially and axially spaced,
- first connecting means introducing oxygen-rich gas from said compressor to a first zone of said outer enclosure in the neighborhood of said fuel injector
- said outer enclosure defining, around said burner tube, an unobstructed annular space between said first zone and said second zone, whereby a front between said oxygen-rich gas and said exhaust gas in said outer enclosure is mobile according to their relative flow rates without disturbing the stability of combustion in the burner tube.
- the first connecting means comprises a first pipe and a first distributing tank, said first pipe being connected to the outer enclosure through said distributing tank.
- said second connecting means comprises a second pipe and a second distributing tank, said second pipe being connected to the outer enclosure through said distributing tank.
- said second connecting means comprises a second pipe, an annular enclosure and a second distributing tank, said second pipe being connected to said annular enclosure through said distributing tank, said annular enclosure surrounding the outer enclosure at the level of its part neighboring the open end of the burner tube, orifices distributed circumferentially and along sections staggered axially being arranged in the walls of the outer enclosure to ensure the passage of the gases from the annular enclosure to the outer enclosure.
- said first connecting means comprises a first pipe coaxially disposed with the burner tube and surrounding its closed end
- said second connecting means comprises a second pipe coaxially disposed with the burner tube and surrounding said first pipe
- said first connecting means comprises a first pipe and a first distributing tank, said first pipe being connected to the outer enclosure through said distributing tank.
- the burner tube includes a combustion zone towards its closed end and a mixing zone towards its open end, axial slits being provided between the said combustion zone and the said mixing zone.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Supercharger (AREA)
- Exhaust Gas After Treatment (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The combustion chamber has a burner tube whose closed end has at least one fuel injector and whose open end emerges into a pipe leading the gaseous mixture towards its position of use. The burner tube includes a number of orifices distributed circumferentially and along axially staggered sections. An outer enclosure is arranged around the burner tube and connected in sealed manner to the open end of the said burner tube. A first pipe, supplied with oxygen-rich gas, is connected in the neighborhood of the closed end of the burner tube. A second pipe supplied with oxygen-poor gas, is connected in the neighborhood of the open end of the burner tube.
Description
United States Patent 1 Melchoir 1 June 5,1973
[ COMBUSTION CHAMBERS [75] lnventorz- Jean Melchoir, Fontenay-aux-Roses,
France 22 Filed: June28, 1971 211 Appl.No.: 157,460
[30] Foreign Application Priority Data July 7, 1970 France ..7025074 [52] US. Cl. ..60/l3, 60/39.65, 60/303 [51] Int. Cl ..F02c 7/08 [58] Field of Search ..60/303, 307, 308, 60/317, 13, 13 N, 39.52, 39.55, 39.65;
431/5, 9,115, DIG. 3
[56] References Cited UNITED STATES PATENTS 2,168,313 8/1939 Bichowsky ..60/39.55
872,806 12/1907 Ferranti ..60/39.55
2,633,698 4/1953 Nettel ..60/13 2,669,090 2/1954 Jackson ..60/l3 3,280,555 10/1966 Charpentier et al ..60/395 Primary Examiner-Carlton R. Croyle Assistant ExaminerRobert E. Garrett Att0rney-Larson, Taylor & Hinds [57] ABSTRACT The combustion chamber has a burner tube whose closed end has at least one fuel injector and whose open end emerges into a pipe leading the gaseous mixture towards its position of use. The burner tube includes a number of orifices distributed circumferentially and along axially staggered sections. An outer enclosure is arranged around the burner tube and connected in sealed manner to the open end of the said burner tube. A first pipe, supplied with oxygen-rich gas, is connected in the neighborhood of the closed end of the burner tube. A second pipe supplied with oxygen-poor gas, is connected in the neighborhood of the open end of the burner tube.
10 Claims, 4 Drawing Figures PATENTEUJUH 5 ma saw 1 of 3 3,735, 52
a9 6o K Moe/v60 L .K ee\6 8 @V moo: m 9 3 COMBUSTION CHAMBERS The invention relates to combustion chambers supplied, on one hand, by fuel, and, on the other hand, both by gas rich in oxygen intended for ensuring the combustion and by a gas poor in oxygen intended to be mixed with the gases resulting from the combustion.
The invention relates more particularly, but not exclusively, among these combustion chambers, to those applied to the reheating of exhaust gases (gases poor in oxygen) from an internal combustion engine supercharged by a turbocompressor unit, of which the compressor supplies in parallel the said internal combustion engine and the combustion chamber (gas rich in oxygen).
In a combustion chamber of the type mentioned above, there is risk of producing instabilities during the combustion, even an arrest of combustion, when the ratio between the flow rate of oxygen-poor gas and the flow rate of oxygen-rich gas varies.
It is an object of the invention to overcome this drawback and to obtain a combustion chamber in which the combustion is stable and independent of the ratio between the oxygen-poor gas flow rate and the oxygenrich gas flow rate, it being understood that the latter remains sufficient to ensure a stoichiometric mixture or substantially stoichiometric.
The combustion chamber according to the invention includes a burner tube of which the closed end bears at least one fuel injector and of which burner tube the open end opens into a pipe leading the gaseous mixture towards its position of use, this burner tube including a certain number of orifices distributed circumferentially and along sections staggered axially, and it is characterized by the fact that an outer enclosure is arranged around the bumer tube and is connected in sealed manner to the open end of the said burner tube, said outer enclosure being supplied, on one hand, with gas rich in oxygen, by first means, in the neighborhood of said fuel injector, and, on the other hand, with gas poor in oxygen, be second means, more remote from said fuel injector.
It will then be seen that the ratio between the flow rate of the oxygen-rich gas and the flow rate of the oxygen-poor gas can vary without the organization of the combustion in the burner tube being disturbed, since there is produced in fact in the space bounded by the outer enclosure and the burner tube a zone of separation between the oxygen-rich gas and the oxygen-poor gas, this zone of separation moving when the abovesaid ratio varies.
The invention consists, apart from the main feature which has just been considered, of certain other features which are preferably used at the same time and which will be more explicitly considered below.
In order that the invention may be more fully understood, several preferred embodiments of combustion chambers according to the invention are described below purely by way of illustrative but non-limiting examples, with reference to the accompanying drawings in which:
FIG. 1 is a diagrammatic section of a combustion chamber constructed according to the invention;
FIG. 2 is a diagrammatic section of a second embodiment of a combustion chamber constructed according to the invention;
FIG. 3 shows diagrammatically a supercharged Diesel engine equipped with a combustion chamber according to a first embodiment of the invention;
FIG. 4 shows diagrammatically a supercharged'Diesel engine equipped with a combustion chamber according to a second embodiment of the invention.
The combustion chamber shown in FIGS. 1 and 2 includes a burner tube 1 whose closed end 2 bears a fuel injector 3, and whose open end 4 opens into a pipe leading the gaseous mixture towards its position of use.
In the case, shown FIGS. 3 and 4, where this combustion chamber is applied to the reheating of the exhaust gases from a Diesel engine 5 supercharged by a turbocompressor group 6, the open end 4 of the burner tube 1 opens directly into the distributor of the turbine 6a of the said turbocompressor group.
The burner tube 1 includes a certain number of orifices 7 distributed circumferentially and along sections staggered axially.
An outer enclosure 8 is arranged around the burner tube 1 and is connected in a sealed manner to the open end 4 of the said burner tube 1.
A first pipe 9 (constituting the first means) supplies, with air emerging from the compressor 6b of the turbocompressor 6, the portion of this enclosure 8 situated in the vicinity of the fuel injector 3, i.e. near the closed end 2 of the burner tube 1.
A second pipe 10 (constituting the second means) supplies, with exhaust gases emerging from the Diesel engine 5, the portion of this enclosure 8 situated more remote from the fuel injector 3, i.e. in the neighborhood of the open end 4 of the burner tube 1.
Although the outer enclosure 8 can surround the burner tube 1 at the level of its closed end 2, it seems preferable to arrange this outer enclosure 8 so that it is connected in sealed manner on the burner tube 1 at the level of its closed end 2.
In the embodiments illustrated in FIGS. 1 and 2, the first pipe 9 is connected to the outer enclosure 8 through a distributing tank 11. a
As for the second pipe 10, and according to the embodiment illustrated in FIG. 1, it is connected to the outer enclosure 8 through a distributing tank 12.
However this second pipe can also, according to the embodiment illustrated in FIG. 2, be connected to an annular enclosure 13 through a distributing tank 14,
this annular enclosure 13 surrounding the outer enclosure 8 at the level of its wall neighboring the open end 4 of the burner tube 1, orifices 15, distributed circumferentially and along sections staggered axially, being arranged in the wall of the outer enclosure 8 to ensure the passage of gases from the annular enclosure 13 to the outer enclosure 8. This arrangement enables a better distribution of the exhaust gases in the outer enclosure 8 to be obtained.
As regards the burner tube 1, it is provided, between its combustion zone In and its mixing zone lb, with axial slits 16 through which air cools the walls of the mixing zone 1b.
In the embodiment illustrated in FIG. 4, the first pipe 9 is coaxially disposed with the burner tube 1 and surrounds its closed end 2. The second pipe 10 is also coaxially disposed with the burner tube 1 and surrounds the first pipe 9, the cross-section of said second pipe being annular.
Finally, the combustion chamber constructed according to the invention is the seat of a combustion which is stable and independent of the ratio between the flow rate of combustion gas and the flow rate of air, which ratio is essentially variable in the case of a supercharged Diesel engine.
It is hence possible to calculate the flow rate of the compressor of the supercharging unit solely as a function of the Diesel engine and of the conditions of stoichiometric combustion in the combustion chamber. On the other hand, the use of a conventional combustion chamber would lead to calculating the flow rate of the compressor with a wide safety margin to ensure the combustion and, for this reason, would have increased the size, hence the price, of the supercharging unit.
I claim:
l. A power plant comprising an internal combustion engine provided with an intake manifold and an exhaust manifold, said internal combustion engine being turbo-charged by at least one compressor driven by at least one turbine and a combustion chamber comprismg:
a burner tube having a closed end provided with at least one fuel injector and an open end communicating with said turbine, said burner tube including a plurality of orifices circumferentially and axially spaced,
an outer enclosure arranged around said burner tube and connected in a sealed manner around the open end of said burner tube,
first connecting means introducing oxygen-rich gas from said compressor to a first zone of said outer enclosure in the neighborhood of said fuel injector,
and second connecting means introducing exhaust gases from said exhaust manifold to a second zone of said outer enclosure more remote from said fuel injector,
said outer enclosure defining, around said burner tube, an unobstructed annular space between said first zone and said second zone, whereby a front between said oxygen-rich gas and said exhaust gas in said outer enclosure is mobile according to their relative flow rates without disturbing the stability of combustion in the burner tube.
2. Combustion chamber according to claim 1, wherein the outer enclosure is connected in sealed manner onto the periphery of the burner tube at the level of its closed end.
3. The power plant chamber according to claim ll, wherein the first connecting means comprises a first pipe and a first distributing tank, said first pipe being connected to the outer enclosure through said distributing tank.
4. The power plant according to claim 1, wherein said second connecting means comprises a second pipe and a second distributing tank, said second pipe being connected to the outer enclosure through said distributing tank.
5. The power plant according to claim 1, wherein said second connecting means comprises a second pipe, an annular enclosure and a second distributing tank, said second pipe being connected to said annular enclosure through said distributing tank, said annular enclosure surrounding the outer enclosure at the level of its part neighboring the open end of the burner tube, orifices distributed circumferentially and along sections staggered axially being arranged in the walls of the outer enclosure to ensure the passage of the gases from the annular enclosure to the outer enclosure.
6. The power plant according to claim 1, wherein said first connecting means comprises a first pipe coaxially disposed with the burner tube and surrounding its closed end, and said second connecting means comprises a second pipe coaxially disposed with the burner tube and surrounding said first pipe.
7. The power plant. according to claim 1, wherein the burner tube includes a combustion zone towards its closed end and a mixing zone towards its open end, axial slits being provided between the said combustion zone and the said mixing zone.
8. The power plant according to claim 2, wherein said first connecting means comprises a first pipe and a first distributing tank, said first pipe being connected to the outer enclosure through said distributing tank.
9. The power plant according to claim 6, wherein the burner tube includes a combustion zone towards its closed end and a mixing zone towards its open end, axial slits being provided between the said combustion zone and the said mixing zone.
10. The power plant according to claim 1, wherein said compressor supplies air in parallel to the internal combustion engine and said combustion chamber.
saggy UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 7 6,7 52 D d June 5, 1973 I Jean Melchior It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:
On the title page, both occurrences, please cancel "Melchoir" and insert -Melchior-- Signed and sealed this 24th day of September 1974.
(SEAL) Attest:
McCOY M. GIBSON JR. Attesting Officer C. MARSHALL DANN Commissioner of Patents
Claims (10)
1. A power plant comprising an internal combustion engine provided with an intake manifold and an exhaust manifold, said internal combustion engine being turbo-charged by at least one compressor driven by at least one turbine and a combustion chamber comprising: a burner tube having a closed end provided with at least one fuel injector and an open end communicating with said turbine, said burner tube including a plurality of orifices circumferentially and axially spaced, an outer enclosure arranged around said burner tube and connected in a sealed manner around the open end of said burner tube, first connecting means introducing oxygen-rich gas from said compressor to a first zone of said outer enclosure in the neighborhood of said fuel injector, and second connecting means introducing exhaust gases from said exhaust manifold to a second zone of said outer enclosure more remote from said fuel injector, said outer enclosure defining, around said burner tube, an unobstructed annular space between said first zone and said second zone, whereby a front between said oxygen-rich gas and said exhaust gas in said outer enclosure is mobile according to their relative flow rates without disturbing the stability of combustion in the burner tube.
2. Combustion chamber according to claim 1, wherein the outer enclosure is connected in sealed manner onto the periphery of the burner tube at the level of its closed end.
3. The power plant chamber according to claim 1, wherein the first connecting means comprises a first pipe and a first distributing tank, said first pipe being connected to the outer enclosure through said distributing tank.
4. The power plant according to claim 1, wherein said second connecting means comprises a second pipe and a second distributing tank, said second pipe being connected to the outer enclosure through said distributing tank.
5. The power plant according to claim 1, wherein said second connecting means comprises a second pipe, an annular enclosure and a second distributing tank, said second pipe being connected to said annular enclosure through said distributing tank, said annular enclosure surrounding the outer enclosure at the level of its part neighboring the open end of the burner tube, orifices distributed circumferentially and along sections staggered axially being arranged in the walls of the outer enclosure to ensure the passage of the gases from the annular enclosure to the outer enclosure.
6. The power plant according to claim 1, wherein said first connecting means comprises a first pipe coaxially disposed with the burner tube and surrounding its closed end, and said second connecting means comprises a second pipe coaxially disposed with the burner tube and surrounding said first pipe.
7. The power plant according to claim 1, wherein the burner tube includes a combustion zone towards its closed end and a mixing zone towards its open end, axial slits being provided between the said combustion zone and the said mixing zone.
8. The power plant according to claim 2, wherein said first connecting means comprises a first pipe and a first distributing tank, said firsT pipe being connected to the outer enclosure through said distributing tank.
9. The power plant according to claim 6, wherein the burner tube includes a combustion zone towards its closed end and a mixing zone towards its open end, axial slits being provided between the said combustion zone and the said mixing zone.
10. The power plant according to claim 1, wherein said compressor supplies air in parallel to the internal combustion engine and said combustion chamber.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7025074A FR2097437A5 (en) | 1970-07-07 | 1970-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3736752A true US3736752A (en) | 1973-06-05 |
Family
ID=9058367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00157460A Expired - Lifetime US3736752A (en) | 1970-07-07 | 1971-06-28 | Combustion chambers |
Country Status (16)
Country | Link |
---|---|
US (1) | US3736752A (en) |
JP (1) | JPS5227285B1 (en) |
AT (1) | AT308476B (en) |
BE (1) | BE769650A (en) |
CA (1) | CA942958A (en) |
CH (1) | CH534842A (en) |
CS (1) | CS174819B2 (en) |
DD (1) | DD97263A5 (en) |
DK (1) | DK128952B (en) |
FR (1) | FR2097437A5 (en) |
GB (1) | GB1301813A (en) |
MY (1) | MY7300461A (en) |
NL (1) | NL152962B (en) |
RO (1) | RO61508A (en) |
SE (1) | SE367041B (en) |
SU (1) | SU503545A3 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3849988A (en) * | 1972-04-06 | 1974-11-26 | France Etat | Combustion chambers for internal combustion engines equipped with a turbo-compressor unit with reheating upstream of the turbine |
US4004414A (en) * | 1973-12-04 | 1977-01-25 | The Franch State | Combustion chamber for supercharged internal combustion engine |
US4185459A (en) * | 1975-07-17 | 1980-01-29 | Holste Merrill R | Turbo-exhaust cleaner |
US5056315A (en) * | 1989-10-17 | 1991-10-15 | Jenkins Peter E | Compounded turbocharged rotary internal combustion engine fueled with natural gas |
US5284016A (en) * | 1992-08-28 | 1994-02-08 | General Motors Corporation | Exhaust gas burner reactor |
WO2004090305A1 (en) | 2003-04-07 | 2004-10-21 | Prodrive 2000 Limited | Combustion unit for turbocharger |
US20060283187A1 (en) * | 2004-04-06 | 2006-12-21 | Roland Broadbent | Combustion unit for turbocharger |
WO2007003031A1 (en) * | 2005-07-05 | 2007-01-11 | Véronneau, Stéphane | Combustor configurations |
US20080271448A1 (en) * | 2007-05-03 | 2008-11-06 | Ewa Environmental, Inc. | Particle burner disposed between an engine and a turbo charger |
CN105570931A (en) * | 2015-12-30 | 2016-05-11 | 中国科学院工程热物理研究所 | Combustor capable of injecting fluid at combustor outlet |
CN114878175A (en) * | 2022-04-15 | 2022-08-09 | 中国航发沈阳发动机研究所 | Outer culvert area synchronous adjusting mechanism of inner and outer culvert diversion exhaust system |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2309719A1 (en) * | 1975-04-30 | 1976-11-26 | Mtu Muenchen Gmbh | METHOD OF MANUFACTURING PARTS IN NICKEL OR NICKEL ALLOY BY POWDER METALLURGY |
DE2528671C2 (en) * | 1975-06-27 | 1985-12-19 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Combustion chamber for liquid and gas fuels |
JPS555150U (en) * | 1978-06-26 | 1980-01-14 | ||
CA1198599A (en) * | 1981-04-27 | 1985-12-31 | Robert D. Denton | Method and apparatus for using residue gas in gas turbines |
CN113819492B (en) * | 2021-09-26 | 2022-11-25 | 中国航发湖南动力机械研究所 | Guide plate, flame tube and gas turbine engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US872806A (en) * | 1904-06-09 | 1907-12-03 | Sebastian Ziani De Ferranti | Elastic-fluid turbine-engine. |
US2168313A (en) * | 1936-08-28 | 1939-08-08 | Bichowsky Francis Russell | Combustion means |
US2633698A (en) * | 1948-02-05 | 1953-04-07 | Nettel Frederick | Turbosupercharger means to heat intake of compression-ignition engine for starting |
US2669090A (en) * | 1951-01-13 | 1954-02-16 | Lanova Corp | Combustion chamber |
US3280555A (en) * | 1962-12-11 | 1966-10-25 | Bbc Brown Boveri & Cie | Gas turbine plant |
-
1970
- 1970-07-07 FR FR7025074A patent/FR2097437A5/fr not_active Expired
-
1971
- 1971-06-11 DK DK285871AA patent/DK128952B/en not_active IP Right Cessation
- 1971-06-14 AT AT508871A patent/AT308476B/en active
- 1971-06-21 SE SE08055/71A patent/SE367041B/xx unknown
- 1971-06-22 DD DD155982A patent/DD97263A5/xx unknown
- 1971-06-22 RO RO67407A patent/RO61508A/ro unknown
- 1971-06-28 US US00157460A patent/US3736752A/en not_active Expired - Lifetime
- 1971-06-30 SU SU1670570A patent/SU503545A3/en active
- 1971-07-05 NL NL717109240A patent/NL152962B/en not_active IP Right Cessation
- 1971-07-05 GB GB3137371A patent/GB1301813A/en not_active Expired
- 1971-07-05 CH CH982371A patent/CH534842A/en not_active IP Right Cessation
- 1971-07-06 CA CA117,559A patent/CA942958A/en not_active Expired
- 1971-07-06 CS CS4956A patent/CS174819B2/cs unknown
- 1971-07-06 JP JP46050228A patent/JPS5227285B1/ja active Pending
- 1971-07-07 BE BE769650A patent/BE769650A/en not_active IP Right Cessation
-
1973
- 1973-12-30 MY MY461/73A patent/MY7300461A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US872806A (en) * | 1904-06-09 | 1907-12-03 | Sebastian Ziani De Ferranti | Elastic-fluid turbine-engine. |
US2168313A (en) * | 1936-08-28 | 1939-08-08 | Bichowsky Francis Russell | Combustion means |
US2633698A (en) * | 1948-02-05 | 1953-04-07 | Nettel Frederick | Turbosupercharger means to heat intake of compression-ignition engine for starting |
US2669090A (en) * | 1951-01-13 | 1954-02-16 | Lanova Corp | Combustion chamber |
US3280555A (en) * | 1962-12-11 | 1966-10-25 | Bbc Brown Boveri & Cie | Gas turbine plant |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3849988A (en) * | 1972-04-06 | 1974-11-26 | France Etat | Combustion chambers for internal combustion engines equipped with a turbo-compressor unit with reheating upstream of the turbine |
US4004414A (en) * | 1973-12-04 | 1977-01-25 | The Franch State | Combustion chamber for supercharged internal combustion engine |
US4185459A (en) * | 1975-07-17 | 1980-01-29 | Holste Merrill R | Turbo-exhaust cleaner |
US5056315A (en) * | 1989-10-17 | 1991-10-15 | Jenkins Peter E | Compounded turbocharged rotary internal combustion engine fueled with natural gas |
US5284016A (en) * | 1992-08-28 | 1994-02-08 | General Motors Corporation | Exhaust gas burner reactor |
WO2004090305A1 (en) | 2003-04-07 | 2004-10-21 | Prodrive 2000 Limited | Combustion unit for turbocharger |
US20060283187A1 (en) * | 2004-04-06 | 2006-12-21 | Roland Broadbent | Combustion unit for turbocharger |
WO2007003031A1 (en) * | 2005-07-05 | 2007-01-11 | Véronneau, Stéphane | Combustor configurations |
US20080223045A1 (en) * | 2005-07-05 | 2008-09-18 | Luc Laforest | Combustor Configurations |
US8083494B2 (en) | 2005-07-05 | 2011-12-27 | Gestion Serge Benjamin Inc. | Pulse jet engine having an acoustically enhanced ejector system |
US20080271448A1 (en) * | 2007-05-03 | 2008-11-06 | Ewa Environmental, Inc. | Particle burner disposed between an engine and a turbo charger |
CN105570931A (en) * | 2015-12-30 | 2016-05-11 | 中国科学院工程热物理研究所 | Combustor capable of injecting fluid at combustor outlet |
CN114878175A (en) * | 2022-04-15 | 2022-08-09 | 中国航发沈阳发动机研究所 | Outer culvert area synchronous adjusting mechanism of inner and outer culvert diversion exhaust system |
CN114878175B (en) * | 2022-04-15 | 2024-02-23 | 中国航发沈阳发动机研究所 | Outer culvert area synchronous regulating mechanism of inner culvert and outer culvert split-flow exhaust system |
Also Published As
Publication number | Publication date |
---|---|
FR2097437A5 (en) | 1972-03-03 |
DD97263A5 (en) | 1973-04-20 |
SU503545A3 (en) | 1976-02-15 |
CA942958A (en) | 1974-03-05 |
NL152962B (en) | 1977-04-15 |
NL7109240A (en) | 1972-01-11 |
RO61508A (en) | 1977-01-15 |
CH534842A (en) | 1973-03-15 |
BE769650A (en) | 1972-01-07 |
MY7300461A (en) | 1973-12-31 |
DE2127890A1 (en) | 1972-01-13 |
CS174819B2 (en) | 1977-04-29 |
SE367041B (en) | 1974-05-13 |
AT308476B (en) | 1973-07-10 |
DE2127890B2 (en) | 1976-03-11 |
GB1301813A (en) | 1973-01-04 |
DK128952B (en) | 1974-07-29 |
JPS5227285B1 (en) | 1977-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3736752A (en) | Combustion chambers | |
GB1478395A (en) | Apparatus for supplying a mixture of fuel and air to a combustion chamber | |
GB1534186A (en) | Low emission combustion chamber | |
US4463568A (en) | Fuel injector for gas turbine engines | |
US3792581A (en) | System and method used in a gas turbine engine for minimizing nitrogen oxide emission | |
GB1467499A (en) | Combustion apparatus | |
GB1530146A (en) | Combustion chamber | |
GB1458066A (en) | Gas turbine combustion chambers | |
CA2138203A1 (en) | Gas turbine engine combustion chamber | |
GB1427146A (en) | Combustion apparatus for gas turbine engines | |
GB1252194A (en) | ||
GB1180524A (en) | Gas Turbine Jet Engine of the By-Pass Type | |
EP0800041A3 (en) | Gas turbine engine combustion equipment | |
GB1495672A (en) | Combustion systems for gas turbine engines | |
US6874323B2 (en) | Low emissions hydrogen blended pilot | |
IE39341B1 (en) | Improvements in gas turbine engine combustion equipment | |
GB1317727A (en) | Gas turbine engine | |
GB1344359A (en) | Combustion equipment for gas turbine engines | |
US5295354A (en) | Low pollution combustion chamber for a turbojet engine | |
GB812201A (en) | Improvements in combustion equipment for continuous-flow internal combustion engines | |
IL41929A (en) | Combustion chamber for internal combustion engines | |
GB774059A (en) | Improvements in or relating to combined gas turbine plant and ram-jet units | |
GB1524217A (en) | Combustion chamber for a gas turbine engine | |
GB2073399A (en) | Dual premix tube fuel nozzle | |
GB1516177A (en) | Fuel combustion apparatus |