EP2028420B1 - Système pour l'alimentation automatique de fours en combustible liquide - Google Patents

Système pour l'alimentation automatique de fours en combustible liquide Download PDF

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Publication number
EP2028420B1
EP2028420B1 EP07460020A EP07460020A EP2028420B1 EP 2028420 B1 EP2028420 B1 EP 2028420B1 EP 07460020 A EP07460020 A EP 07460020A EP 07460020 A EP07460020 A EP 07460020A EP 2028420 B1 EP2028420 B1 EP 2028420B1
Authority
EP
European Patent Office
Prior art keywords
fuel
sensor
furnaces
liquid fuel
feeding
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.)
Not-in-force
Application number
EP07460020A
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German (de)
English (en)
Other versions
EP2028420A1 (fr
Inventor
Jaroslaw Dabrowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Planika Sp z oo
Original Assignee
Planika Sp z oo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Planika Sp z oo filed Critical Planika Sp z oo
Priority to AT07460020T priority Critical patent/ATE543051T1/de
Priority to EP07460020A priority patent/EP2028420B1/fr
Priority to US12/173,832 priority patent/US20090050034A1/en
Publication of EP2028420A1 publication Critical patent/EP2028420A1/fr
Application granted granted Critical
Publication of EP2028420B1 publication Critical patent/EP2028420B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/02—Liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/02—Liquid fuel
    • F23K5/14—Details thereof
    • F23K5/16—Safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2221/00—Pretreatment or prehandling
    • F23N2221/10—Analysing fuel properties, e.g. density, calorific
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/38—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/02—Starting or ignition cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/36—Spark ignition, e.g. by means of a high voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe

Definitions

  • the present invention relates to the system of automatic feeding of furnaces or hearth with liquid fuel different types of liquid fuel to the hearth in household heating appliances, in particular fireplaces with or without chimney ducts, featuring characteristic scheme of power, fuel, and air connections and the method of operation.
  • Liquid fuel feeding systems for fireplaces are known in Poland from application P 369839 and additional applications thereto P 375121 and P 376361.
  • the feeding system presented in these applications contains a power system, a fuel system and an air system, in which the remote-control-operated power system enables lighting and extinguishing fuel in the hearth as well monitoring the level of fuel in the hearth with the use of the fuel level sensor installed therein connected to the fuel system feeding the hearth with liquid fuel from the detachable fuel tank via the solenoid valve in the fuel pipe, and the installed air system is used to generate appropriate pressure in order to supply liquid fuel to the hearth.
  • the power system also includes the safety sensor installed in the hearth, which is connected with the fuse included in the power feeding system of the power pump supplying liquid fuel to the hearth.
  • the aim of this invention is to improve the system of automatic hearth feeding with liquid fuel known from the patent applications mentioned in the current state of the art, which shall additionally increase safety of use, making the feeding system fully safe for the user, as well as rendering it impossible to use inappropriate liquid fuel, while also allowing feeding in case of voltage decay, and introducing a possibility of additional remote-control adjustment of the height of flame as well as additional signalling of the system's operating conditions, thus achieving a new method of operation of the system of automatic feeding with liquid fuel in household heating appliances.
  • a further feature of the feeding system is the structure of the hearth , in which the combustion chamber is connected with the separated sensor chamber with an installed fuel level sensor, a first degree safety sensor and an additional safety sensor, whereby the fuel inlet is located in the sensor chamber, and from the top it is closed with a cover with ventilating holes, which also has a formed screen in the part adjoining the combustion chamber and slantwise shaped bottom, while the combustion chamber includes in its upper part a sliding screen operating in connection with a servo-mechanism, which allows smooth regulation of the flame.
  • Another feature is constituted by the fact that in the power system the feeding circuit is also connected with the servo-mechanism for sliding of the hearth screen, with the traffic sensor and micro-loudspeaker for acoustic signalling of the system's operating conditions, as well as with a reset button for turning on after installing a new fuel holder, a button for turning the system into operation mode, and elements visually indicating the operating conditions, which are installed in the control panel located in the fireplace.
  • the feeding circuit constitutes a system of buffer feeding, which is connected with the main power switch, detachable low-voltage feeder and a battery in the circuit of which a blocking diode is installed, constitutes yet another important feature of this system.
  • a crucial feature of the method of operation of the system is the fact that in case of failure of the first degree protective sensor, an additional safety sensor shall be actuated, being continuously in the working mode, after turning on of the main feeding, resulting in autonomous isolation of the feeding circuit and therefore turning off the operating mode of the system.
  • Permanent setting of the additional protection sensor in the operating mode ever since turning on the main power switch, aims also at protection against attempts by the user to add liquid fuel manually to the hearth.
  • the fuel inflow located in the sensor chamber in the direct proximity of sensors and its askew shaped bottom ensures also smaller inertia of their operation and decreases the hysteresis of fuel level in both the chambers, which in turn ensures quicker reaction of sensors.
  • the application of the internal battery power supply allows for uninterrupted operation of the device for a few days without necessity of connecting to any external current generator, while the battery charging system enables charging of the battery in the course of operation as well as when the system is turned off.
  • a further advantageous feature of the system is the protection of the device against the situations of inadvertent stirring or attempts to move the device in the course of its operation. This is ensured by the traffic sensor.
  • the protection is also effective when using the device on the seismically active areas, in which case the sensor switches the system off when vibrations exceed the set amplitude, and thus preventing operation in hazardous conditions.
  • FIG. 1 presents a schematic diagram of the automatic hearth feeding system in a household fireplace without a chimney duct
  • Fig. 2 shows a sketch of the front view of a household fireplace with indication of the control panel installed on its front plate
  • Fig. 3 shows a control panel
  • Fig. 4 shows the perspective view of the hearth with visualization of the sliding screen cut out above the sensor chamber
  • Fig. 5 shows a perspective view of the hearth without the screen with visualization of the cover of the sensor chamber
  • Fig. 6 to Fig. 8 shows in a diagrammatic and perspective view the 3 phases of the sliding screen over the hearth .
  • the schematic diagram in Fig. 1 presenting the automatic furnace or hearth 1 feeding system with liquid fuel 2 includes the control circuit 3 actuated with the remote control 4 or the button 5 installed in the control panel 6 on the front plate 7 of the household fireplace 8 presented in Fig.2 and Fig. 3 .
  • the control circuit 3 Prior to turning on the control circuit 3, it is necessary to turn on the main power switch 9, which actuates the first indicating diode 10, which in turn informs that the system has been switched on and that it is ready to light up the fireplace 8.
  • Turning on of the control circuit 3 and that the system is in operating mode are signalled by switching on of the second indicating diode 11 also installed on the control panel 6.
  • the system presented in Fig. 1 in its important features is characterized by the fact that the control circuit 3 is connected with the quality sensor 12 of liquid fuel 2 installed in the fuel pipe 13 before the inflow to the electro-valve 14.
  • the quality sensor 12 made by Remtor, Tru, checks conductivity of liquid fuel 2 if conductivity value of liquid fuel 2 has predefined value it is assumed that the fuel can bee fed to the furnace or hearth 1 of the fireplace.
  • the electric system of the system comprises an additional safety sensor 15 installed in the hearth 1 above the first degree safety sensor 16, which is connected only with the protective circuit 17 incorporated into the supply circuit 18 of the control circuit 3, whereby the protective circuit 17 is connected with the main power switch 9.
  • the control circuit 3 is also connected with the servo-mechanism 19 for the slide of the screen 20 of the hearth 1, with the traffic sensor 21 and with the micro loud-speaker 22 for acoustic signalling the of the working conditions of the device, as well as with the reset button 23 for turning on after installation of a new fuel tank 24, and with the button 5 for switching the system into the operating mode, which are installed on the control panel 6 of the household fireplace 8.
  • the control circuit 3 is also electrically connected with the fuel level sensor 25, with spark-gap generator 26, which is further connected with the electrodes of the permanent magnet machine 27 installed in the hearth, and with an electric air pump 28, that via the air duct 29 supplies air to the fuel tank 24 in order to generate pressure inside, which results in the flow of liquid fuel 2 to the hearth 1.
  • the supply circuit 18 constitutes the buffer feeding system, which is connected with the main power switch 9, with low-voltage feeder 30 and a battery 31, into the circuit of which a blocking diode 32 is also incorporated, which enables the passage of current only in one direction during the process of battery charging 31 from the supply circuit 18.
  • Fig. 4 and Fig. 5 present the hearth 1 with the structure in which the combustion chamber 33 comprises, in the upper part, a sliding screen 20, functioning in connection with the servo-mechanism 19, which allows flame adjustment in a continuous manner.
  • the combustion chamber 33 is connected with a separated sensor chamber 34, with the possibility of fuel flow, with the fuel level sensor 25 installed inside, with the first degree safety sensor 16, and an additional safety sensor 15, where the fuel inlet 35 is located in the sensor chamber 34, which is closed from the top with a cover 36 with ventilating holes 37, which also consists of a formed screen 38 in the part adjoining the combustion chamber 33 and an askew shaped bottom 341.
  • the automatic feeding system presented in Fig. 1 is, as far as the method of operating conditions are concerned, characterized by the fact that by the signal generated from the remote control 4 or the button 5, the control circuit 3 activates the power air pump 28 generating positive gauge pressure in the fuel tank 24 and opens the solenoid valve 14 feeding the hearth 1 with liquid fuel 2, whereby at the same time in the operating conditions the fuel quality sensor 12 turns on, which monitors the flowing liquid fuel 2 and then the following come on: fuel level sensor 25 in the hearth 1 and the first degree safety sensor 16, while the additional safety sensor 15 is turned on at the moment when the main power switch 9 is turned on.
  • the spark-gap generator 26 After filling in of the hearth 1 with liquid fuel 2, the spark-gap generator 26 turns on automatically resulting in the spark-over between the permanent magnet machine 27 electrodes, also switched on are the servo-mechanism 19 of the screen slide 20 in the hearth 1, diodes 10 and 11 signalling the operating mode of the system, as well as the acoustic signal.
  • Another important feature of the method of operation is the fact that in the control circuit 3 the stand-by mode turns on automatically during operation, which without interference from the user actuates the information functions on the conditions of the feeding system operation.
  • An essential feature of the method of operation in the system is also the fact that in case of a break-down of the fuel level sensor 25 or the first degree protection sensor 16, an additional safety sensor 15 turns on, resulting in an automatic isolation of the supply circuit 18 and as a result of this - turning off of the operating mode of the system.
  • the functioning of the automatic hearth feeding system 1 with liquid fuel 2 enables the fireplace 8 to burn, ensuring at the same time almost 100% safety of use, maintaining constant level of fuel 2 in the hearth 1 in the course of operation.
  • This function is accomplished thanks to the previously described system, where a control circuit 3 has been used, and sensors connected with it: fuel quality sensor 12, first degree safety sensor 15, traffic sensor 21 and fuel level sensor 25, as well as an additional protective circuit 17, connected with an additional safety sensor 15.
  • the presented system is additionally equipped with an internal feeding source - a battery 31, ensuring the possibility of continuous work for the period of several days and possibility of charging; the fireplace 8 may be operating in the course of the charging processes.
  • the first indicating diode 10 lights up after the switching on the main power switch 9.
  • the system may be turned on with the use of the remote control 4 or the button 5 installed on the control panel 6 of the fireplace 8. Turning on of the system is signalled by lightning up of the second indicating diode 11.
  • the control circuit 3 activates the power air pump 28 generating positive gauge pressure in the fuel tank 24, forcing the flow of fuel 2 via the fuel pipe 13 to the hearth 1, and at the same time the solenoid valve 14 is opened.
  • the fuel quality sensor 12 which continuously monitors the flowing liquid fuel 2 determining its suitability for use in the feeding system, is also turned into the operating mode.
  • the senor In case of detection of incorrect liquid fuel 2 or lack of fuel, the sensor sends this information to the control circuit 3, which activates an appropriate signal regarding diodes 10 and 11, informing the user on incorrect liquid fuel 2 or lack of fuel in the fuel tank 24.
  • the servo-mechanism 19 is actuated sliding the screen 20 of the hearth 1 into the fully open position, as shown in Fig. 6 .
  • the fuel level sensor 25 located in the hearth 1 checks the level of fuel and sends appropriate information to the control circuit 3. Also the first degree safety sensor 15 sends an appropriate signal to the control circuit 3 in case of exceeding of the level of liquid fuel 2 in the hearth 1.
  • the additional safety sensor 14 is permanently turned into the operating mode immediately after turning on of the system, and it is not connected with the control circuit 3, which ensures the highest level of operational reliability. This sensor shall be actuated only in a situation when the level of fuel 2 in the hearth 1 is exceeded above the allowed one and the first degree safety sensor 15 fails to correct it.
  • the fuel level sensor 25 sends a signal to the control circuit 3, which turns off the subassemblies responsible for filling in the hearth 1. It closes the solenoid valve 14 and activates the sequence of generating spark from the spark generator 26 to permanent magnet machine's electrodes 27. This spark sparking over between the electrodes of the permanent magnet machine 27 on the level of the contact of fuel 1 with electrodes of the permanent magnet machine 27 and lights up the liquid fuel 2.
  • the fireplace 8 works independently, and the control circuit 3 monitors in a continuous manner the level of fuel 2 in the hearth 1, regularly adding fuel so as to keep the adjusted level.
  • the control circuit 3 activates the servo-mechanism 19 that closes the screen 20 of the hearth 1 to the initial position, as shown in Fig. 6 .
  • Independent operation of the fireplace 8 continues up to the moment when it is turned off by the user or the liquid fuel 2 runs out in the fuel tank 24, or else until a situation which the system interprets as dangerous. If liquid fuel 2 runs out in the fuel tank 24, the fireplace 8 turns off and the lack of liquid fuel 2 shall be indicated by pulsation of one of the diodes, 10 or 11.
  • the reset button 23 should be pressed, which shall result in the change of the diode's 10 lighting from pulsation into a constant lighting.
  • the control circuit 3 switches off all the subassemblies and keeps the fireplace 1 open, to allow the remaining liquid fuel 2 to burn out. This is signalled by lighting of only a single diode 10. After approximately 8 minutes from turning off, the hearth 1 is completely closed with the screen 20, as shown in Fig. 8 (Fig.7 shows sliding screen 20 in indirect position).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Claims (7)

  1. Un système d'alimentation des fours (1) en combustible liquide (2) d'un dispositif de chauffage domestique, surtout pour un foyer (8), y compris un système électrique, un système à combustion et un système à air, dans lequel le système électrique est télécommandé (4), permettant l'allumage et l'extinction du combustible liquide (2) dans les fours (1) ainsi que la surveillance du niveau du combustible liquide (2) dans les fours (1) au moyen d'un capteur installé qui aide à mesurer le niveau du combustible liquide (25) et un capteur de sécurité premier degré (15), dans lequel le système à combustion alimente les fours (1) en combustible liquide (2) en provenance du réservoir amovible à carburant (24) via une électrovanne (14) dans le tuyau de combustible (13), servant à mettre en marche le système à air qui, dans le réservoir, crée une pression appropriée pour fournir le combustible liquide (2) aux fours (1), caractérisé en ce que le système électrique comprend un circuit de commande (3) qui est raccordé à un capteur de qualité du combustible (12) installé dans le tuyau de combustible (13) du système à combustion devant le dispositif d'entrée de l'électrovanne (14), en ce que le système électrique comprend un capteur de sécurité supplémentaire (15) installé dans les fours (1) au dessus du capteur de sécurité premier degré (16), qui est raccordé uniquement à un circuit protecteur (17) incorporé au circuit d'alimentation (18) du circuit de commande (3), et en ce que le circuit protecteur (17) est raccordé à un interrupteur principal (9).
  2. Le système correspondant à la revendication no. 1, caractérisé en ce que la chambre de combustion (33) dans les fours (1) est raccordée à une chambre du capteur séparée (34) fournie du capteur du niveau du carburant (25), du capteur de sécurité premier degré (16) comprenant le capteur de sécurité supplémentaire (15), et l'entrée de combustible (35) située dans la chambre du capteur (34) qui, en dessus, est fermée par un couvercle (36) avec des trous de ventilation (37) qui possède, dans la partie adjacente à la chambre de combustion (33), un écran de forme spéciale (39) et une partie inférieure de forme oblique (20) fonctionnant en combinaison avec un servomécanisme (19).
  3. Le système correspondant à la revendication no. 1, caractérisé en ce que le circuit de commande dans le système électrique est aussi raccordé au servomécanisme (19) pour le glissement de l'écran du four (1) à l'aide d'un capteur de mouvement (21) ainsi que d'un micro haut-parleur (22), et en ce que la touche reset (23) et une touche qui sert à mettre le système dans le mode d'exploitation sont installées dans le tableau de commande (6) du foyer (8).
  4. Le système correspondant à la revendication no. 1, caractérisé en ce que, dans le système électrique, le circuit d'alimentation constitue un dispositif d'alimentation par stockage-tampon qui est raccordé à l'interrupteur principal (9), un départ basse tension (30) et une batterie (31) dont le circuit incorpore une diode de blocage (32).
  5. Un mode d'opération du système d'alimentation automatique selon l'une quelconque des revendications précédentes, dans lequel un signal généré allume le circuit de commande (3) qui met en marche une pompe à air électrique (28) produisant une pression à manomètre positive dans le réservoir à carburant (24) et ouvre l'électrovanne (14) qui alimente les fours (1) en combustible liquide (2), alors que, dans le mode de fonctionnement, le capteur de qualité du combustible (12) s'allume, surveillant le flux du combustible liquide (2), et puis les capteurs du niveau du combustible (25) dans les fours (1) ainsi que les capteurs de sécurité (15, 16) s'allument. Une fois les fours (1) remplis de combustible liquide (2), un transmetteur d'étincelles (26) s'allume automatiquement, générant une étincelle entre les électrodes d'une machine à aimants permanents (27). Le servomécanisme (19) de l'écran (20) qui glisse dans les fours (1) ainsi que les diodes qui signalent que le système est en mode de travail (10, 11) s'allument également.
  6. Le mode d'opération correspondant à la revendication no. 5, caractérisé en ce que, dans le circuit de commande (3), le mode veille s'allume automatiquement pendant le travail, qui fonctionne selon les conditions de travail du système d'alimentation s'il n'y a pas d'interférence suite à une entrée de données.
  7. Le mode d'opération correspondant à la revendication no. 5, caractérisé en ce que le capteur de sécurité supplémentaire (15), en cas de défaillance du capteur de sécurité premier degré, s'allume, ayant pour conséquence que le circuit d'alimentation (18) sera coupé automatiquement et que le mode d'opération du système sera terminé.
EP07460020A 2007-08-22 2007-08-22 Système pour l'alimentation automatique de fours en combustible liquide Not-in-force EP2028420B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT07460020T ATE543051T1 (de) 2007-08-22 2007-08-22 System zur automatischen zufuhr von flüssigem brennstoff in öfen
EP07460020A EP2028420B1 (fr) 2007-08-22 2007-08-22 Système pour l'alimentation automatique de fours en combustible liquide
US12/173,832 US20090050034A1 (en) 2007-08-22 2008-07-16 System for automatic feeding of furnaces with liquid fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07460020A EP2028420B1 (fr) 2007-08-22 2007-08-22 Système pour l'alimentation automatique de fours en combustible liquide

Publications (2)

Publication Number Publication Date
EP2028420A1 EP2028420A1 (fr) 2009-02-25
EP2028420B1 true EP2028420B1 (fr) 2012-01-25

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EP07460020A Not-in-force EP2028420B1 (fr) 2007-08-22 2007-08-22 Système pour l'alimentation automatique de fours en combustible liquide

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US (1) US20090050034A1 (fr)
EP (1) EP2028420B1 (fr)
AT (1) ATE543051T1 (fr)

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Publication number Priority date Publication date Assignee Title
US8622053B2 (en) 2009-03-16 2014-01-07 Planika Sp. Z O.O. Burner and method of its operation
US8915732B1 (en) * 2010-10-24 2014-12-23 Bebon Technologies, LLC Ventless fireplace
DK2549182T3 (da) * 2011-07-21 2014-02-10 Planika Sp Z O O Flydende-brændstof fyringsanlæg til et ildsted
CN103196021A (zh) * 2013-04-17 2013-07-10 国家电网公司 非接触式带电遥控润滑装置
CN104266259B (zh) * 2014-09-27 2017-02-15 廖志文 智能壁炉
PL232059B1 (pl) * 2016-03-08 2019-05-31 Planika Spolka Z Ograniczona Odpowiedzialnoscia Sposób oraz zespół do napełniania i opróżniania zbiornika paliwa zwłaszcza zbiornika paliwa biokominka
PL240614B1 (pl) * 2019-10-18 2022-05-09 Zubik Przemyslaw Biokominek oraz sposób tankowania paliwa w biokominku i wygaszania paleniska biokominka
RS20210169A1 (sr) 2021-02-11 2022-08-31 Corten Art Doo Sabac Biokamin sa automatskom kontrolom sagorevanja

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GB330737A (en) * 1929-05-17 1930-06-19 Lewis Motley Improvements in and relating to liquid fuel burning apparatus
US2519241A (en) * 1946-07-05 1950-08-15 Eaton Mfg Co Thermoelectric generator and burner therefor
US3939456A (en) * 1974-12-09 1976-02-17 Curtis International, Inc. Heating plant monitor system
FI772751A (fi) * 1976-12-14 1978-06-15 Measurex Corp Foerfarande och anordning foer att kontrollera effektiviteten av foerbraenningen i en ugn
US4475530A (en) * 1980-12-15 1984-10-09 Albertson Robert V Heating apparatus
US6121628A (en) * 1999-03-31 2000-09-19 Siemens Westinghouse Power Corporation Method, gas turbine, and combustor apparatus for sensing fuel quality
JP2001355810A (ja) * 2000-06-15 2001-12-26 Yamaha Livingtec Corp 液体燃料燃焼装置
US7317265B2 (en) * 2003-03-05 2008-01-08 Honeywell International Inc. Method and apparatus for power management

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EP2028420A1 (fr) 2009-02-25
ATE543051T1 (de) 2012-02-15
US20090050034A1 (en) 2009-02-26

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