CA2234503A1 - Burner - Google Patents
Burner Download PDFInfo
- Publication number
- CA2234503A1 CA2234503A1 CA 2234503 CA2234503A CA2234503A1 CA 2234503 A1 CA2234503 A1 CA 2234503A1 CA 2234503 CA2234503 CA 2234503 CA 2234503 A CA2234503 A CA 2234503A CA 2234503 A1 CA2234503 A1 CA 2234503A1
- Authority
- CA
- Canada
- Prior art keywords
- burner
- combustion chamber
- combustion
- fuel
- control system
- 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.)
- Abandoned
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D5/00—Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel
- F23D5/02—Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel the liquid forming a pool, e.g. bowl-type evaporators, dish-type evaporators
- F23D5/04—Pot-type evaporators, i.e. using a partially-enclosed combustion space
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D5/00—Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel
- F23D5/12—Details
- F23D5/123—Inserts promoting evaporation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wick-Type Burners And Burners With Porous Materials (AREA)
Abstract
A burner having a novel type of combustion chamber that is capable of sustaining a flame without the aid of an intermediate medium such as a wick. This combustion chamber is designed to burn kerosene, diesel fuel or heating oil. The combustion chamber or set of chambers is able, by means of its novel configuration, to promote a near stoichiometric fuel-air mixture that can be burned completely and have near zero emission of toxic gases making the apparatus suitable for use inside the home as well as outside.
Description
Burner Field of the Invention This invention relates to a novel burner. More specifically, the burner features a novel type of combustion chamber that is capable of sustaining a flame without the aid of an intermediate medium. This combustion chamber is designed to burn kerosene, diesel fuel or heating oil. The combustion chamber or set of chambers is able, by means of its novel configuration, to promote a near stoichiometric fuel-air mixture that can be burned completely and have near zero emission of toxic gases making the apparatus suitable for inside use.
Background of the Invention Conventional oil or kerosene burners are designed to burn their fuel through an intermediate medium, namely a wick very much like that of an oil lamp. One side of the wick is seated in the combustible fluid while its other side is exposed to the air.
This wick promotes the transfer of the combustible fluid from its dipped end to its other end which is exposed to the air where this fluid can be burned. Many problems arise from this configuration. For instance, the fluid-air mixture ratio is less than ideal.
It is a very rich mixture which causes the combustion of the fluid to be incomplete therefore releasing large quantities of toxic gases to its surroundings, making this type of burner dangerous when used indoors. Another problem arising from the use of these wicks is that these wicks will eventually consume themselves in the combustion process, especially if these wicks are not replenished with combustible fluid and are allowed to go dry.
Object and Statement of the Invention One object of the present invention is to provide a combustible fluid burner including a novel combustion chamber that does not require an intermediate medium to burn its combustible fluid.
Another object of the present invention is to provide a combustion chamber that is able to achieve a near stoichiometric fuel-air mixture that can be burned completely and have nearly zero emission of toxic gases, making the burner safe for indoor use.
Another object of the present invention is to provide a combustible fluid burner that is easy to clean and maintain and does not require replacement of any of its components.
As embodied and broadly described herein, the invention provides a combustion chamber comprising at least one wall defining a volume, said at least one wall capable of retaining a combustible fluid suitable for sustaining combustion without the use of an intermediate medium.
The primary advantage of the present invention is that the combustion chamber has no wick. Since it has no wick, the combustion is hotter and cleaner (fewer noxious fumes are emitted). Since combustion is hotter and cleaner, the burner itself does not become encrusted with dirty carbon deposits and thus requires less cleaning and maintenance.
The invention also provides a burner comprising a combustion chamber as above.
In a preferred embodiment, the burner further comprises a plurality of concentric annular combustion chambers. By configuring the annular combustion chambers concentrically, the burner is able to concentrate the heat produced by the combustion chambers, which is ideal for heating a hot-water tank or for cooking, for example.
In a most preferred embodiment, the burner further comprises a plurality of concentric separating walls, a perforated lid or cover, an adjustable three-legged support for leveling the burner, and a fuel control system including a thermostat, carburetor and an overflow detection system. To optimize the operation of the burner, a fuel control system, activated by a thermostat regulates the flow of fuel into the burner via a carburetor.
Furthermore, an overflow detection system senses if fuel is spilled and takes corrective measures such as alerting the user or shutting off the fuel supply via the carburetor. Finally, the cover and the separating walls protect the combustion from the deleterious effects of wind and rain and provide a support upon which a pot, for example, may be placed for cooking without scorching the underside of the pot.
Brief Descr~tion of the Drawings Figure 1 is a perspective view of the burner in accordance with the present invention showing a cut-away of the combustion chambers;
Figure 2 is a side view of the burner of Figure l;
Figure 3 is a perspective view of the combustion chamber formed as a channel having a rectilinear configuration;
Figure 4 is a side elevational view of the combustion chamber of Figure 3;
Figure 5 is a side elevational view of the combustion chamber of Figure 3, shown with two adjacent air holes, illustrating the probable flow of air and vaporized combustible fluid;
Figure 6 is a top plan view of the combustion chamber of Figure 3 formed as a channel having a rectilinear configuration;
Figure 7 is a top plan view of the combustion chamber of Figure 3 formed as a channel having a curvilinear configuration;
Figure 8 is a top plan view of the combustion chamber of Figure 3 formed as a channel having an annular configuration;
Figure 9 is a top plan view of the combustion chamber of Figure 3 formed as a channel having a spiral-like configuration;
Figure 10 is a schematic view of a burner in accordance with the present invention used in a hot-water tank;
Background of the Invention Conventional oil or kerosene burners are designed to burn their fuel through an intermediate medium, namely a wick very much like that of an oil lamp. One side of the wick is seated in the combustible fluid while its other side is exposed to the air.
This wick promotes the transfer of the combustible fluid from its dipped end to its other end which is exposed to the air where this fluid can be burned. Many problems arise from this configuration. For instance, the fluid-air mixture ratio is less than ideal.
It is a very rich mixture which causes the combustion of the fluid to be incomplete therefore releasing large quantities of toxic gases to its surroundings, making this type of burner dangerous when used indoors. Another problem arising from the use of these wicks is that these wicks will eventually consume themselves in the combustion process, especially if these wicks are not replenished with combustible fluid and are allowed to go dry.
Object and Statement of the Invention One object of the present invention is to provide a combustible fluid burner including a novel combustion chamber that does not require an intermediate medium to burn its combustible fluid.
Another object of the present invention is to provide a combustion chamber that is able to achieve a near stoichiometric fuel-air mixture that can be burned completely and have nearly zero emission of toxic gases, making the burner safe for indoor use.
Another object of the present invention is to provide a combustible fluid burner that is easy to clean and maintain and does not require replacement of any of its components.
As embodied and broadly described herein, the invention provides a combustion chamber comprising at least one wall defining a volume, said at least one wall capable of retaining a combustible fluid suitable for sustaining combustion without the use of an intermediate medium.
The primary advantage of the present invention is that the combustion chamber has no wick. Since it has no wick, the combustion is hotter and cleaner (fewer noxious fumes are emitted). Since combustion is hotter and cleaner, the burner itself does not become encrusted with dirty carbon deposits and thus requires less cleaning and maintenance.
The invention also provides a burner comprising a combustion chamber as above.
In a preferred embodiment, the burner further comprises a plurality of concentric annular combustion chambers. By configuring the annular combustion chambers concentrically, the burner is able to concentrate the heat produced by the combustion chambers, which is ideal for heating a hot-water tank or for cooking, for example.
In a most preferred embodiment, the burner further comprises a plurality of concentric separating walls, a perforated lid or cover, an adjustable three-legged support for leveling the burner, and a fuel control system including a thermostat, carburetor and an overflow detection system. To optimize the operation of the burner, a fuel control system, activated by a thermostat regulates the flow of fuel into the burner via a carburetor.
Furthermore, an overflow detection system senses if fuel is spilled and takes corrective measures such as alerting the user or shutting off the fuel supply via the carburetor. Finally, the cover and the separating walls protect the combustion from the deleterious effects of wind and rain and provide a support upon which a pot, for example, may be placed for cooking without scorching the underside of the pot.
Brief Descr~tion of the Drawings Figure 1 is a perspective view of the burner in accordance with the present invention showing a cut-away of the combustion chambers;
Figure 2 is a side view of the burner of Figure l;
Figure 3 is a perspective view of the combustion chamber formed as a channel having a rectilinear configuration;
Figure 4 is a side elevational view of the combustion chamber of Figure 3;
Figure 5 is a side elevational view of the combustion chamber of Figure 3, shown with two adjacent air holes, illustrating the probable flow of air and vaporized combustible fluid;
Figure 6 is a top plan view of the combustion chamber of Figure 3 formed as a channel having a rectilinear configuration;
Figure 7 is a top plan view of the combustion chamber of Figure 3 formed as a channel having a curvilinear configuration;
Figure 8 is a top plan view of the combustion chamber of Figure 3 formed as a channel having an annular configuration;
Figure 9 is a top plan view of the combustion chamber of Figure 3 formed as a channel having a spiral-like configuration;
Figure 10 is a schematic view of a burner in accordance with the present invention used in a hot-water tank;
Figure 11 is a top plan view of the three annular combustion chambers of Figure l; and Figure 12 is a top plan view of a variant of Figure 11, wherein the annular combustion chambers further include small striations.
The present invention should not be interpreted to be limited strictly to the specific embodiments illustrated by the aforementioned figures since variations and refinements are possible which are within the spirit and scope of the present invention.
Description of the Preferred Embodiment With reference to Figures 1 and 2 of the annexed drawings, the present invention provides a novel independent portable heating system for indoor and outdoor use designated comprehensively by the reference numeral 60. A combustion chamber 10 formed as a plurality of channels, said channels having an annular configuration 11.
Between each annular combustion chamber is disposed a series of breathing holes 12 for bringing air into the annular combustion chambers 11. The independent portable heating system 60 is supported rigidly by at least three leg-like supporting members 61 that can be individually adjusted for height using adjustment members 62 which are typically threaded shafts. The combustion chamber 10 is preferably made of stainless steel, ordinary steel, cast iron or a ceramic-coated material. The combustion chamber 10 can be fabricated by casting, stamping or machining.
Mounted on the annular combustion chambers 11 are a series of separation walls 66.
These walls, of generally cylindrical configuration, are preferably embedded directly above the annular combustion chambers 11. The upper walls of the combustion chambers preferably have extensions 40 to accommodate the positioning of the separation walls 66 and these extensions also serve to prevent the overflow of fuel. On top of the separation walls 66 is a cover 67 having a series of vent holes 68. A fuel tank 63 is connected to the combustion chambers by a fuel line 69 that brings fuel into the annular combustion chambers 11. The fuel line 69 is connected to each individual combustion chamber. A control system 64 having a flow regulator and a thermostat is connected to the fuel line. Mounted underneath the annular combustion chambers is a start-up heating source 70, preferably made of an electric resistor element that is connected to a battery (not shown).
Fuel is drawn into the annular combustion chambers 11 from the fuel tank through the fuel line 69 preferably by gravity or a fuel pump (not shown). Once the first portion 20 of the annular combustion chambers 11 is filled with fuel, the start-up heating source 70 ignites the fuel-air mixture contained in the second portion 30 of the annular combustion chambers 11.
Air is delivered into the second portion 30 of the annular combustion chambers 11 through a series of breathing holes 12 located between each annular combustion chambers to provide the necessary fuel-air mixture for an effective combustion. Once the fuel-air mixture is properly ignited, the start-up heating source 70 is shut off and the combustion continues unaided. This shut-off sequence can be controlled by the control system 64.
As the combustion occurs in the annular combustion chambers 11, the fuel in the first portions 20 is maintained at a constant level by the evaporative process inside the chambers and by the control system 64 supplying fuel as needed into the chambers. The control system can also select to deliver fuel to a limited number of combustion chambers when the desired temperature is reached.
Prior art heating systems utilize a wick dipped in the fuel to maintain the fuel level and to provide the necessary fuel-air mixture for the combustion. These wicks do not provide an optimum fuel-air mixture. Therefore, the combustion is incomplete, making these types of heating systems unsuitable for interior use because of the large quantity of toxic gases rejected into the surroundings of these systems. Another problem encountered by these systems is that the wick eventually consumes itself and has to be replaced frequently.
The structure of the independent portable heating system 60 is supported with preferably three supporting members 61 that can be individually adjusted for height using adjustment members 62. The adjustment is necessary to prevent spillage of fuel when the independent portable heating system 60 is placed on an uneven surface as on the ground or an uneven floor. Adjustment of the level of the independent portable heating system 60 to a level as near as horizontal as possible also enables an even distribution of fuel in the annular combustion chambers 11 to create an even flame throughout. An air-bubble level can be added to the structure of the independent portable heating system 60 to assist the operator in leveling the heating system for optimal combustion.
The flames from the annular combustion chambers 11 rise into separation walls 66.
These walls are generally of cylindrical configuration. The separation walls 66 isolate the flames from exterior disturbances such as wind gusts, dirt, dust and water.
The separation walls 66 also allow entry of fresh air coming from the breathing holes 12 into the flames via a series of holes located on the sides of the separation walls 66. The separation walls 66 direct the rising heat upwardly and radiate heat radially outwards. A cover 67 closes the tops of the separation walls 66 further isolating the flames from exterior disturbances.
The cover 67 has a series of vent holes 68 that allows heat to escape above the independent portable heating system 60. In the combustion chambers 11, it is also possible to add small striations 65, illustrated in Figure 12, to alter the dynamics of the fuel flow inside the combustion chambers 11.
As illustrated in Figures 6-9, the combustion chamber 11 can be protruded into any of a number of possible shapes, depending upon the desired application. The shapes presented in Figures 6-9 can be combined with one another, arranged parallel to one another (where applicable) or arranged concentrically (again where applicable).
Many variations and refinements of the invention are possible without departing from the spirit of the invention. More specifically, the independent portable heating system 60 can be fitted with a grill and be used as a portable cooking unit. Alternatively, the invention can be used as the heating element in a hot-water tank 80 as shown in Figure 10.
Alternatively, the invention can be the heating source of a central heating system, of a house furnace or of an industrial furnace. Alternatively, the invention can be installed in a gas fireplace. Many other applications of the invention not listed here are possible and are well within the reach of a person skilled in the art.
The above description of a preferred embodiment should not be interpreted in any limiting manner since variations and refinements are possible which are within the spirit and scope of the present invention. The scope of the invention is defined in the appended claims and their equivalents.
The present invention should not be interpreted to be limited strictly to the specific embodiments illustrated by the aforementioned figures since variations and refinements are possible which are within the spirit and scope of the present invention.
Description of the Preferred Embodiment With reference to Figures 1 and 2 of the annexed drawings, the present invention provides a novel independent portable heating system for indoor and outdoor use designated comprehensively by the reference numeral 60. A combustion chamber 10 formed as a plurality of channels, said channels having an annular configuration 11.
Between each annular combustion chamber is disposed a series of breathing holes 12 for bringing air into the annular combustion chambers 11. The independent portable heating system 60 is supported rigidly by at least three leg-like supporting members 61 that can be individually adjusted for height using adjustment members 62 which are typically threaded shafts. The combustion chamber 10 is preferably made of stainless steel, ordinary steel, cast iron or a ceramic-coated material. The combustion chamber 10 can be fabricated by casting, stamping or machining.
Mounted on the annular combustion chambers 11 are a series of separation walls 66.
These walls, of generally cylindrical configuration, are preferably embedded directly above the annular combustion chambers 11. The upper walls of the combustion chambers preferably have extensions 40 to accommodate the positioning of the separation walls 66 and these extensions also serve to prevent the overflow of fuel. On top of the separation walls 66 is a cover 67 having a series of vent holes 68. A fuel tank 63 is connected to the combustion chambers by a fuel line 69 that brings fuel into the annular combustion chambers 11. The fuel line 69 is connected to each individual combustion chamber. A control system 64 having a flow regulator and a thermostat is connected to the fuel line. Mounted underneath the annular combustion chambers is a start-up heating source 70, preferably made of an electric resistor element that is connected to a battery (not shown).
Fuel is drawn into the annular combustion chambers 11 from the fuel tank through the fuel line 69 preferably by gravity or a fuel pump (not shown). Once the first portion 20 of the annular combustion chambers 11 is filled with fuel, the start-up heating source 70 ignites the fuel-air mixture contained in the second portion 30 of the annular combustion chambers 11.
Air is delivered into the second portion 30 of the annular combustion chambers 11 through a series of breathing holes 12 located between each annular combustion chambers to provide the necessary fuel-air mixture for an effective combustion. Once the fuel-air mixture is properly ignited, the start-up heating source 70 is shut off and the combustion continues unaided. This shut-off sequence can be controlled by the control system 64.
As the combustion occurs in the annular combustion chambers 11, the fuel in the first portions 20 is maintained at a constant level by the evaporative process inside the chambers and by the control system 64 supplying fuel as needed into the chambers. The control system can also select to deliver fuel to a limited number of combustion chambers when the desired temperature is reached.
Prior art heating systems utilize a wick dipped in the fuel to maintain the fuel level and to provide the necessary fuel-air mixture for the combustion. These wicks do not provide an optimum fuel-air mixture. Therefore, the combustion is incomplete, making these types of heating systems unsuitable for interior use because of the large quantity of toxic gases rejected into the surroundings of these systems. Another problem encountered by these systems is that the wick eventually consumes itself and has to be replaced frequently.
The structure of the independent portable heating system 60 is supported with preferably three supporting members 61 that can be individually adjusted for height using adjustment members 62. The adjustment is necessary to prevent spillage of fuel when the independent portable heating system 60 is placed on an uneven surface as on the ground or an uneven floor. Adjustment of the level of the independent portable heating system 60 to a level as near as horizontal as possible also enables an even distribution of fuel in the annular combustion chambers 11 to create an even flame throughout. An air-bubble level can be added to the structure of the independent portable heating system 60 to assist the operator in leveling the heating system for optimal combustion.
The flames from the annular combustion chambers 11 rise into separation walls 66.
These walls are generally of cylindrical configuration. The separation walls 66 isolate the flames from exterior disturbances such as wind gusts, dirt, dust and water.
The separation walls 66 also allow entry of fresh air coming from the breathing holes 12 into the flames via a series of holes located on the sides of the separation walls 66. The separation walls 66 direct the rising heat upwardly and radiate heat radially outwards. A cover 67 closes the tops of the separation walls 66 further isolating the flames from exterior disturbances.
The cover 67 has a series of vent holes 68 that allows heat to escape above the independent portable heating system 60. In the combustion chambers 11, it is also possible to add small striations 65, illustrated in Figure 12, to alter the dynamics of the fuel flow inside the combustion chambers 11.
As illustrated in Figures 6-9, the combustion chamber 11 can be protruded into any of a number of possible shapes, depending upon the desired application. The shapes presented in Figures 6-9 can be combined with one another, arranged parallel to one another (where applicable) or arranged concentrically (again where applicable).
Many variations and refinements of the invention are possible without departing from the spirit of the invention. More specifically, the independent portable heating system 60 can be fitted with a grill and be used as a portable cooking unit. Alternatively, the invention can be used as the heating element in a hot-water tank 80 as shown in Figure 10.
Alternatively, the invention can be the heating source of a central heating system, of a house furnace or of an industrial furnace. Alternatively, the invention can be installed in a gas fireplace. Many other applications of the invention not listed here are possible and are well within the reach of a person skilled in the art.
The above description of a preferred embodiment should not be interpreted in any limiting manner since variations and refinements are possible which are within the spirit and scope of the present invention. The scope of the invention is defined in the appended claims and their equivalents.
Claims (29)
1. A combustion chamber comprising at least one wall defining a volume, said at least one wall capable of retaining a combustible fluid suitable for sustaining combustion without the use of an intermediate medium.
2. A combustion chamber as in claim 1, further comprising a first portion capable of retaining the combustible fluid in its substantially liquid state and a second portion capable of sustaining combustion.
3. A combustion chamber as in claim 2, wherein said second portion is configured with respect to said first portion to optimize the combustible-fluid-to-air ratio to optimize combustion.
4. A combustion chamber as in claim 3, wherein said second portion comprises a diverging section.
5. A combustion chamber as in any one of claims 1-4, wherein said first portion has a substantially rectangular cross-section and said second portion has a substantially Y-shaped cross-section.
6. A combustion chamber as in any one of claims 1-5, having a substantially rectilinear configuration.
7. A combustion chamber as in any one of claims 1-5, having a substantially curvilinear configuration.
8. A combustion chamber as in any one of claims 1-5, having a substantially spiral-like configuration.
9. A combustion chamber as in any one of claims 1-5, having a substantially annular configuration.
10. A burner comprising at least one combustion chamber as defined in any one of claims 1-9.
11. A burner as defined in claim 10 for use in a central heating system.
12. A burner as defined in claim 10 for use in an independent portable heating system.
13. A burner as defined in claim 10 for use in a hot-water tank.
14. A burner as defined in claim 10, further comprising a fuel-supply system.
15. A burner as defined in claim 10, further comprising a control system unit.
16. A burner as defined in claim 15, wherein said control system unit comprises a carburetor.
17. A burner as defined in claim 15, wherein said control system unit comprises a thermostat.
18. A burner as defined in claim 15, wherein said control system unit comprises an overflow detection system.
19. A burner as defined in claim 10, further comprising a start-up heating source.
20. A burner as defined in claim 19, wherein said start-up heating source is an electric resistor element.
21. A burner as defined in claim 19, wherein said start-up heating source is capable of generating a flame.
22. A burner comprising a plurality of concentric annular combustion chambers, each said annular combustion chamber having:
(i) a first portion having a cross-section adapted for retaining a combustible fluid; and (ii) a second, diverging section for promoting ventilation and combustion.
(i) a first portion having a cross-section adapted for retaining a combustible fluid; and (ii) a second, diverging section for promoting ventilation and combustion.
23. A burner as defined in claim 22 further comprising a plurality of concentric separating walls aligned to separate the annular combustion chambers.
24. A burner as defined in claim 23 further comprising a perforated lid sitting atop the annular combustion chambers.
25. A burner as defined in claim 24 further comprising a fuel supply system.
26. A burner as defined in claim 25 further comprising a fuel control system.
27. A burner as defined in claim 26 wherein the fuel control system is a carburetor.
28. A burner as defined in claim 27 further comprising an overflow detection system.
29. A burner as defined in any one of claims 22-28 wherein the annular combustion chambers further include small striations for changing the flow dynamics of the fuel in the combustion chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2234503 CA2234503A1 (en) | 1998-04-09 | 1998-04-09 | Burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2234503 CA2234503A1 (en) | 1998-04-09 | 1998-04-09 | Burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2234503A1 true CA2234503A1 (en) | 1999-10-09 |
Family
ID=29275538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2234503 Abandoned CA2234503A1 (en) | 1998-04-09 | 1998-04-09 | Burner |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2234503A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20100183A1 (en) * | 2010-04-15 | 2011-10-16 | Bio S R L | BURNER FOR LIQUID FUEL. |
| WO2012000562A1 (en) * | 2010-07-02 | 2012-01-05 | Schwoererhaus Kg | Ethanol burner, in particular for burning bio-ethanol |
-
1998
- 1998-04-09 CA CA 2234503 patent/CA2234503A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20100183A1 (en) * | 2010-04-15 | 2011-10-16 | Bio S R L | BURNER FOR LIQUID FUEL. |
| WO2012000562A1 (en) * | 2010-07-02 | 2012-01-05 | Schwoererhaus Kg | Ethanol burner, in particular for burning bio-ethanol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |