US20120125241A1 - Waste Oil Furnace - Google Patents
Waste Oil Furnace Download PDFInfo
- Publication number
- US20120125241A1 US20120125241A1 US13/112,856 US201113112856A US2012125241A1 US 20120125241 A1 US20120125241 A1 US 20120125241A1 US 201113112856 A US201113112856 A US 201113112856A US 2012125241 A1 US2012125241 A1 US 2012125241A1
- Authority
- US
- United States
- Prior art keywords
- waste oil
- ignition
- furnace
- oil
- ignition burner
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/05—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste oils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire
Definitions
- the present invention relates to a furnace to provide a supply of heated water for various uses and purposes and more specifically a furnace located outside of a building or other enclosure to be heated with the furnace utilizing waste lubricating oil as a combustible fuel.
- a waste oil furnace is associated with a storage tank for the oil to heat water, and the hot water produced by the furnace can be used to heat water to be used for domestic purposes through a heat exchanger and also provide fan coil units with hot water and for many other purposes.
- a waste oil furnace for burning waste oil may include a fire container to burn the waste oil, an ignition burner to ignite the oil and an afterburner being connected to the flame container to burn the waste oil.
- the afterburner may include a venturi, and the afterburner may include a induction air port.
- the ignition burner includes an oil nozzle and the ignition burner may include a flame sensor.
- the ignition burner may include an ignition electrode, and the ignition burner may include a fuel ignition nozzle.
- FIG. 1 illustrates a waste oil furnace in accordance with the teachings of the present invention
- FIG. 2 illustrates another waste oil furnace in accordance with the teachings of the present invention
- FIG. 3 illustrates a sectional view of the air supply nozzle.
- the waste oil furnace 100 includes a Venturi 24 to capture exhaust smoke, add combustible air and re-burn for more heat output. Additionally, the waste oil furnace 100 includes a precision controlled water vapor induction port 26 which burns the oxygen and hydrogen along with the oil to provide a much greater heat output and cleaner chimney exhaust smoke.
- the water vapor may be generated from any fine atomized process including ultrasonic or other water vapor generation device.
- the injection works equally well with a standalone furnace which may be an outside wood furnace without the addition of the add on waste oil unit.
- the waste oil furnace 100 includes a control nozzle 27 in the airstream to prevent nozzle fire (instead of an atomizing nozzle). The oil flow may be controlled by a pulse width modulated signal output from the control board 23 .
- the duration of the pulse width modulated signal output to the gear motor 18 /pump 19 is directly controlled by the thermistor temperature sensor 17 via the control board 23 and may be constantly varied to change the oil input to the burner/fire container 105 to be based on a temperature rise needed.
- FIG. 1 illustrates a waste oil furnace 100 in accordance with the present invention, and more particularly FIG. 1 illustrates a waste oil furnace.
- FIG. 1 illustrates a front view and a cross-sectional view of the wood furnace burner add on.
- the shaded area includes a water jacket which may extend across the top and down the sides of the waste oil furnace 100 .
- Water or other appropriate fluid enters the water inlet 1 and flows into the heat exchanger 36 .
- a hot water supply 35 may be a hot water connection to the dwelling which may be a home or business which requires the hot water generated by the waste oil furnace 100 .
- the hot water when expanding may enter the water expansion chamber 34 .
- a hot water outlet 2 allows hot water to flow from the heat exchanger 36 to the water expansion chamber 34 .
- a high temperature reset switch 37 may be mounted on the passageway 103 between the water outlet 2 and the water expansion chamber 34 and may deactivate the waste oil furnace 100 when the temperature of the water exceeds a predetermined level.
- a thermistor 17 may operate in cooperation with the control board 23 or microprocessor 23 to control the oil flow based upon the temperature rise required.
- FIG. 1 illustrates a fire door 3 to allow access to the fire container 105
- an ash door 4 provides access to the bottom of the fire container 105 to allow ashes to be removed from the fire container 105 .
- the waste oil furnace 100 may include a grate 5 to support the fire container 105 , and a firebrick 6 may support a burner pan 7 .
- a fuel ignition burner 8 may be positioned substantially in the center of the fire container 105 to ignite the fuel within the fire container 105 , and the fuel ignition burner 8 may be connected to a fuel oil supply passageway 30 which may include a check valve 33 to close the fuel oil supply passageway 30 while the pumper is stopped.
- the fuel oil supply passageway 30 may be connected to a gear motor 18 which may be connected to support shaft 21 to drive the oil pump 19 .
- the ignition burner 8 may be connected to a pipe passageway 9 which may extend into the fire container 105 .
- a oil nozzle 10 may be positioned and connected to the oil supply line 30
- ignition electrodes 11 may be positioned and connected to ignite the oil
- a flame sensor may be positioned and connected to provide the control board 23 with ignition presence
- a fuel ignition nozzle 134 may be positioned and connected for the ignition of the fuel.
- FIG. 1 illustrates an afterburner tube 25 which may have an end positioned in the fire container 105 and which may be connected at the other end to a venturi 24 to achieve a venturi effect which may create a vacuum to pull smoke added with combustion air to be re-burnt.
- FIG. 1 additionally illustrates an induction air port 26 connected to the venturi 24 .
- the venturi 24 may be used to burn exhaust smoke, and maybe used in any heater producing exhaust smoke.
- the low-pressure induction air may be used and may be taken from the pressure side of inducing fans on the wood burning devices.
- FIG. 1 illustrates an end of the sensor tube 15 may be positioned within the fire container 105 , and the other end of the sensor tube 15 may be connected to a flame sensor 16 to detect the presence of flame inside of the fire container 105 .
- FIG. 1 additionally illustrates a control board 23 which may include a microprocessor to control various functions which may include the control of the high temperature reset switch 37 , the thermistor 17 , the flame sensor 16 , the ignition burner 8 , the fan 14 which may be an induction fan, and the gear motor 18 .
- the control board 23 may be connected to these devices with control wire 42 and a safety smoke detector 43 may be connected to the control board 23 .
- FIG. 1 additionally illustrates a drain 29 for water, and a barrel 22 .
- the fan 14 may direct air through a channel 107 which may be controlled by the air control valve 31 .
- FIG. 2 illustrates a waste oil furnace 200 in accordance with the present invention, and more particularly FIG. 2 illustrates a waste oil furnace.
- FIG. 2 illustrates a front view and a cross-sectional view of the wood furnace burner add on.
- the shaded area includes a water jacket which may extend around one side of the waste oil furnace 200 and partially across the top and partially across the bottom of the waste oil furnace 200 .
- Water or other appropriate fluid enters the water inlet 1 and flows into the heat exchanger 36 .
- a hot water supply 35 may be a hot water connection to the dwelling which may be a home or business which requires the hot water generated by the waste oil furnace 200 .
- the water expansion chamber 34 provides an air filled chamber for expanding water to enter.
- a hot water outlet 2 allows hot water to flow from the heat exchanger 36 to the water expansion chamber 34 .
- a high temperature reset switch 37 may be mounted on the passageway 103 between the water outlet 2 and the water expansion chamber 34 and may deactivate the waste oil furnace 100 when the temperature of the water exceeds a predetermined level.
- a thermistor 17 may operate in cooperation with the control board 23 to control the oil flow based upon the temperature rise required.
- FIG. 2 illustrates a fire door 3 positioned on the side to allow access to the fire container 105 .
- the waste oil furnace 200 may include a firebrick 6 which may support a burner pan 7 .
- a fuel ignition burner 8 may include one end being positioned substantially in the center of the fire container 105 to ignite the fuel within the fire container 105 , and another end of the fuel ignition burner 8 may be connected to a fuel oil supply passageway 30 which may include a check valve 33 to close the fuel oil supply passageway 30 while the pump is stopped.
- the fuel oil supply passageway 30 may be connected to a gear motor 18 which may be connected to support shaft 21 to drive the oil pump 19 .
- the ignition burner 8 may be connected to a pipe passageway 9 which may extend into the fire container 105 .
- a oil nozzle 10 may be positioned and connected to the oil supply line 30 , ignition electrodes 11 may be positioned and connected to ignite the oil, a flame sensor may be positioned and connected to provide the control board 23 with the presence of a ignition, a fuel ignition nozzle 134 may be positioned and connected for the ignition of the fuel.
- FIG. 2 illustrates an afterburner tube 25 which may have an end positioned in the fire container 105 and which may be connected at the other end to a venturi to achieve a venturi effect which may create a vacuum to pull smoke added with combustion air to re burn.
- FIG. 2 additionally illustrates an induction air port 26 connected to the venturi 24 .
- FIG. 2 illustrates an end of the sensor tube 15 may be positioned within the fire container 105 , and the other end of the sensor tube 15 may be connected to a flame sensor 16 to detect the presence of flame inside of the fire container 105 .
- FIG. 2 additionally illustrates a control board 23 which may include a microprocessor to control various functions which may include the control of the high temperature reset switch 37 , the thermistor 17 , the flame sensor 16 , the ignition burner 8 , the fan 14 which may be an induction fan, and the gear motor 18 .
- the control board 23 may be connected to these devices with control wire 42 and a safety smoke detector 43 may be connected to the control board 23 .
- the fan 14 may direct air through a channel 107 which may be controlled by the air control valve 31 .
- FIG. 2 illustrates an induction fan 39 for the afterburner and a water supply line 41 which may be connected to the vapor chamber 40 which may be controlled by the control board 232 add precision metered water vapor from the spray nozzle into the fire container 105 to increase the BTU output and clean exhaust.
- FIG. 3 illustrates a sectional view of the air supply nozzle 27 and illustrates the flame sensor 12 positioned on the outer surface of the air supply nozzle 27 .
- FIG. 3 additionally illustrates the oil nozzle 10 within the center of the hollow air supply nozzle 27 so that the air stream stops while in the nozzle ignition and illustrates the fuel ignition nozzle 13 positioned on the outer supply of the air supply nozzle 27 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Control Of Combustion (AREA)
Abstract
A waste oil furnace for burning waste oil may include a fire container to burn the waste oil, an ignition burner to ignite the oil and an afterburner being connected to the flame container to burn the waste oil. The afterburner may include a venturi, and the afterburner may include a induction air port. The ignition burner includes an oil nozzle and the ignition burner may include nickel cadmium (CAD) cell. The ignition burner may include an ignition electrode, and the ignition burner may include a fuel ignition nozzle.
Description
- The present invention claims priority under 35 USC section 119 based upon a provisional application which was filed on May 20, 2010 with a Ser. No. 61/395,924
- The present invention relates to a furnace to provide a supply of heated water for various uses and purposes and more specifically a furnace located outside of a building or other enclosure to be heated with the furnace utilizing waste lubricating oil as a combustible fuel.
- A waste oil furnace is associated with a storage tank for the oil to heat water, and the hot water produced by the furnace can be used to heat water to be used for domestic purposes through a heat exchanger and also provide fan coil units with hot water and for many other purposes.
- A waste oil furnace for burning waste oil may include a fire container to burn the waste oil, an ignition burner to ignite the oil and an afterburner being connected to the flame container to burn the waste oil.
- The afterburner may include a venturi, and the afterburner may include a induction air port.
- The ignition burner includes an oil nozzle and the ignition burner may include a flame sensor.
- The ignition burner may include an ignition electrode, and the ignition burner may include a fuel ignition nozzle.
- The invention may be understood by reference to the following description taken in conjunction with the accompanying drawings, in which, like reference numerals identify like elements, and in which:
-
FIG. 1 illustrates a waste oil furnace in accordance with the teachings of the present invention; -
FIG. 2 illustrates another waste oil furnace in accordance with the teachings of the present invention; -
FIG. 3 illustrates a sectional view of the air supply nozzle. - The waste oil furnace 100 includes a Venturi 24 to capture exhaust smoke, add combustible air and re-burn for more heat output. Additionally, the waste oil furnace 100 includes a precision controlled water
vapor induction port 26 which burns the oxygen and hydrogen along with the oil to provide a much greater heat output and cleaner chimney exhaust smoke. The water vapor may be generated from any fine atomized process including ultrasonic or other water vapor generation device. The injection works equally well with a standalone furnace which may be an outside wood furnace without the addition of the add on waste oil unit. The waste oil furnace 100 includes acontrol nozzle 27 in the airstream to prevent nozzle fire (instead of an atomizing nozzle). The oil flow may be controlled by a pulse width modulated signal output from thecontrol board 23. The duration of the pulse width modulated signal output to thegear motor 18/pump 19, is directly controlled by thethermistor temperature sensor 17 via thecontrol board 23 and may be constantly varied to change the oil input to the burner/fire container 105 to be based on a temperature rise needed. -
FIG. 1 illustrates a waste oil furnace 100 in accordance with the present invention, and more particularlyFIG. 1 illustrates a waste oil furnace. -
FIG. 1 illustrates a front view and a cross-sectional view of the wood furnace burner add on. The shaded area includes a water jacket which may extend across the top and down the sides of the waste oil furnace 100. Water or other appropriate fluid enters thewater inlet 1 and flows into theheat exchanger 36. There may be multiple or asingle water inlet 1. Ahot water supply 35 may be a hot water connection to the dwelling which may be a home or business which requires the hot water generated by the waste oil furnace 100. The hot water when expanding may enter thewater expansion chamber 34. Ahot water outlet 2 allows hot water to flow from theheat exchanger 36 to thewater expansion chamber 34. A hightemperature reset switch 37 may be mounted on thepassageway 103 between thewater outlet 2 and thewater expansion chamber 34 and may deactivate the waste oil furnace 100 when the temperature of the water exceeds a predetermined level. - A
thermistor 17 may operate in cooperation with thecontrol board 23 ormicroprocessor 23 to control the oil flow based upon the temperature rise required. -
FIG. 1 illustrates afire door 3 to allow access to thefire container 105, and anash door 4 provides access to the bottom of thefire container 105 to allow ashes to be removed from thefire container 105. The waste oil furnace 100 may include agrate 5 to support thefire container 105, and afirebrick 6 may support aburner pan 7. Afuel ignition burner 8 may be positioned substantially in the center of thefire container 105 to ignite the fuel within thefire container 105, and thefuel ignition burner 8 may be connected to a fueloil supply passageway 30 which may include acheck valve 33 to close the fueloil supply passageway 30 while the pumper is stopped. The fueloil supply passageway 30 may be connected to agear motor 18 which may be connected to supportshaft 21 to drive theoil pump 19. Theignition burner 8 may be connected to apipe passageway 9 which may extend into thefire container 105. At one end of theignition burner 8, aoil nozzle 10 may be positioned and connected to theoil supply line 30,ignition electrodes 11 may be positioned and connected to ignite the oil, a flame sensor may be positioned and connected to provide thecontrol board 23 with ignition presence, a fuel ignition nozzle 134 may be positioned and connected for the ignition of the fuel. -
FIG. 1 illustrates anafterburner tube 25 which may have an end positioned in thefire container 105 and which may be connected at the other end to aventuri 24 to achieve a venturi effect which may create a vacuum to pull smoke added with combustion air to be re-burnt.FIG. 1 additionally illustrates aninduction air port 26 connected to theventuri 24. Theventuri 24 may be used to burn exhaust smoke, and maybe used in any heater producing exhaust smoke. - In the same fashion as in the oil add on, the low-pressure induction air may be used and may be taken from the pressure side of inducing fans on the wood burning devices.
-
FIG. 1 illustrates an end of thesensor tube 15 may be positioned within thefire container 105, and the other end of thesensor tube 15 may be connected to aflame sensor 16 to detect the presence of flame inside of thefire container 105. -
FIG. 1 additionally illustrates acontrol board 23 which may include a microprocessor to control various functions which may include the control of the hightemperature reset switch 37, thethermistor 17, theflame sensor 16, theignition burner 8, thefan 14 which may be an induction fan, and thegear motor 18. Thecontrol board 23 may be connected to these devices withcontrol wire 42 and asafety smoke detector 43 may be connected to thecontrol board 23.FIG. 1 additionally illustrates adrain 29 for water, and abarrel 22. - The
fan 14 may direct air through achannel 107 which may be controlled by theair control valve 31. -
FIG. 2 illustrates awaste oil furnace 200 in accordance with the present invention, and more particularlyFIG. 2 illustrates a waste oil furnace. -
FIG. 2 illustrates a front view and a cross-sectional view of the wood furnace burner add on. The shaded area includes a water jacket which may extend around one side of thewaste oil furnace 200 and partially across the top and partially across the bottom of thewaste oil furnace 200. Water or other appropriate fluid enters thewater inlet 1 and flows into theheat exchanger 36. There may be multiple or asingle water inlet 1. Ahot water supply 35 may be a hot water connection to the dwelling which may be a home or business which requires the hot water generated by thewaste oil furnace 200. Thewater expansion chamber 34 provides an air filled chamber for expanding water to enter. Ahot water outlet 2 allows hot water to flow from theheat exchanger 36 to thewater expansion chamber 34. A hightemperature reset switch 37 may be mounted on thepassageway 103 between thewater outlet 2 and thewater expansion chamber 34 and may deactivate the waste oil furnace 100 when the temperature of the water exceeds a predetermined level. - A
thermistor 17 may operate in cooperation with thecontrol board 23 to control the oil flow based upon the temperature rise required. -
FIG. 2 illustrates afire door 3 positioned on the side to allow access to thefire container 105. Thewaste oil furnace 200 may include afirebrick 6 which may support aburner pan 7. Afuel ignition burner 8 may include one end being positioned substantially in the center of thefire container 105 to ignite the fuel within thefire container 105, and another end of thefuel ignition burner 8 may be connected to a fueloil supply passageway 30 which may include acheck valve 33 to close the fueloil supply passageway 30 while the pump is stopped. The fueloil supply passageway 30 may be connected to agear motor 18 which may be connected to supportshaft 21 to drive theoil pump 19. Theignition burner 8 may be connected to apipe passageway 9 which may extend into thefire container 105. At one end of theignition burner 8, aoil nozzle 10 may be positioned and connected to theoil supply line 30,ignition electrodes 11 may be positioned and connected to ignite the oil, a flame sensor may be positioned and connected to provide thecontrol board 23 with the presence of a ignition, a fuel ignition nozzle 134 may be positioned and connected for the ignition of the fuel. -
FIG. 2 illustrates anafterburner tube 25 which may have an end positioned in thefire container 105 and which may be connected at the other end to a venturi to achieve a venturi effect which may create a vacuum to pull smoke added with combustion air to re burn.FIG. 2 additionally illustrates aninduction air port 26 connected to theventuri 24. -
FIG. 2 illustrates an end of thesensor tube 15 may be positioned within thefire container 105, and the other end of thesensor tube 15 may be connected to aflame sensor 16 to detect the presence of flame inside of thefire container 105. -
FIG. 2 additionally illustrates acontrol board 23 which may include a microprocessor to control various functions which may include the control of the hightemperature reset switch 37, thethermistor 17, theflame sensor 16, theignition burner 8, thefan 14 which may be an induction fan, and thegear motor 18. Thecontrol board 23 may be connected to these devices withcontrol wire 42 and asafety smoke detector 43 may be connected to thecontrol board 23. - The
fan 14 may direct air through achannel 107 which may be controlled by theair control valve 31.FIG. 2 illustrates aninduction fan 39 for the afterburner and awater supply line 41 which may be connected to thevapor chamber 40 which may be controlled by the control board 232 add precision metered water vapor from the spray nozzle into thefire container 105 to increase the BTU output and clean exhaust. -
FIG. 3 illustrates a sectional view of theair supply nozzle 27 and illustrates theflame sensor 12 positioned on the outer surface of theair supply nozzle 27.FIG. 3 additionally illustrates theoil nozzle 10 within the center of the hollowair supply nozzle 27 so that the air stream stops while in the nozzle ignition and illustrates thefuel ignition nozzle 13 positioned on the outer supply of theair supply nozzle 27. - While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the drawings and are herein described in detail. It should be understood, however, that the description herein of specific embodiments is not intended to limit the invention to the particular forms disclosed.
Claims (7)
1) A waste oil furnace for burning waste oil, comprising:
a fire container to burn the waste oil;
an ignition burner to ignite the oil;
an afterburner being connected to the flame container to burn the waste oil and exhaust smoke.
2) A waste oil furnace for burning waste oil as in claim 1 , wherein the afterburner includes a venturi.
3) A waste oil furnace for burning waste oil as in claim 1 , wherein the afterburner includes a induction air port.
4) A waste oil furnace for burning waste oil as in claim 1 , wherein the ignition burner includes an oil nozzle.
5) A waste oil furnace for burning waste oil as in claim 1 , wherein the ignition burner includes flame sensor.
6) A waste oil furnace for burning waste oil as in claim 1 , wherein the ignition burner includes an ignition electrode.
7) A waste oil furnace for burning waste oil as in claim 1 , wherein the ignition burner includes a fuel ignition nozzle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/112,856 US20120125241A1 (en) | 2010-05-20 | 2011-05-20 | Waste Oil Furnace |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39592410P | 2010-05-20 | 2010-05-20 | |
US13/112,856 US20120125241A1 (en) | 2010-05-20 | 2011-05-20 | Waste Oil Furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120125241A1 true US20120125241A1 (en) | 2012-05-24 |
Family
ID=46063105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/112,856 Abandoned US20120125241A1 (en) | 2010-05-20 | 2011-05-20 | Waste Oil Furnace |
Country Status (1)
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US (1) | US20120125241A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014174104A2 (en) * | 2013-04-26 | 2014-10-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Small firing system with improved ventilation and cyclonic combustion chamber |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5408941A (en) * | 1994-04-14 | 1995-04-25 | Clean Burn, Inc. | Multi oil furnace service doors |
US5460511A (en) * | 1994-05-04 | 1995-10-24 | Grahn; Dennis | Energy efficient afterburner |
-
2011
- 2011-05-20 US US13/112,856 patent/US20120125241A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5408941A (en) * | 1994-04-14 | 1995-04-25 | Clean Burn, Inc. | Multi oil furnace service doors |
US5460511A (en) * | 1994-05-04 | 1995-10-24 | Grahn; Dennis | Energy efficient afterburner |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014174104A2 (en) * | 2013-04-26 | 2014-10-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Small firing system with improved ventilation and cyclonic combustion chamber |
WO2014174104A3 (en) * | 2013-04-26 | 2014-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Small firing system with improved ventilation and cyclonic combustion chamber |
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