WO2002070954A1 - Anordnung eines feuerungsautomaten für einen gas- oder ölbrenner - Google Patents
Anordnung eines feuerungsautomaten für einen gas- oder ölbrenner Download PDFInfo
- Publication number
- WO2002070954A1 WO2002070954A1 PCT/IB2002/000621 IB0200621W WO02070954A1 WO 2002070954 A1 WO2002070954 A1 WO 2002070954A1 IB 0200621 W IB0200621 W IB 0200621W WO 02070954 A1 WO02070954 A1 WO 02070954A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- actuator
- burner
- control
- automatic
- arrangement according
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/26—Details
- F23N5/265—Details using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/02—Air or combustion gas valves or dampers
- F23N2235/06—Air or combustion gas valves or dampers at the air intake
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/02—Air or combustion gas valves or dampers
- F23N2235/10—Air or combustion gas valves or dampers power assisted, e.g. using electric motors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2514—Self-proportioning flow systems
- Y10T137/2521—Flow comparison or differential response
- Y10T137/2529—With electrical controller
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7759—Responsive to change in rate of fluid flow
Definitions
- the invention relates to an arrangement of an automatic burner control according to the preamble of claim 1.
- Such automatic burner controls are used to control and monitor a forced draft burner for liquid and / or gaseous fuels in order to ensure safe and optimal combustion of the fuel and are arranged on a housing part of the forced draft burner.
- the forced draft burner or burner for short, requires a comprehensive control device, the burner control, for safe operation, with all controlled systems being monitored by the burner control system in order to detect a malfunction of a component of the burner immediately.
- the burner control is housed separately from the other parts of the burner in a separate housing and connected to the burner by means of a large number of electrical control and signal lines.
- the burner controls are characterized by a reset button. If the burner control detects a malfunction, the burner stops operating immediately and the fuel supply is switched off. The reset button lights up red to indicate the fault. The red illuminated reset button prompts you to reset the automatic firing unit to its initial state.
- a throttle valve which is arranged in the air supply duct of the burner and rotatable about an axis controls the amount of air in accordance with the angular position of the throttle valve.
- An actuator determines the angular position of the throttle valve in the air supply duct, the actuator receiving corresponding command signals from a control device during burner operation in order to adapt the air supply to the burner output. Further improvements to reduce the generation of pollutants in burners are described in EP 0 644 376 A1. Further information on the control of burners with liquid and / or gaseous fuel can be found in DE 39 00 151 C1 and in DE 198 39 160 A1.
- the regulations for operational safety and environmental protection require the burner to be equipped with the burner control to reduce the risk of fire or explosion, and to regulate the air supply to reduce the pollutants released to the environment.
- actuators, control devices and burner controls are generally offered as separate components on the market by different manufacturers.
- the devices are not fully compatible, so that when fitting the burner with the burner control and the actuator for regulating the air volume, at least one suitable pairing must be selected from the range. Since the life of the burner is very long at 10 and more years, ensuring the supply of spare parts, such as the burner controls, the actuators, etc., complex.
- the invention has for its object to provide a simplified, inexpensive equipment for forced draft burners.
- FIG. 1 shows an oven with a forced draft burner
- FIG. 2 an automatic setting machine
- Figure 3 shows a structure of the automatic machine
- Figure 4 the automatic actuator with an external actuator.
- 1 means an oven, 1 A an oven control, 2 a water tank, 3 a supply line and 4 an outlet line, 5 a fan burner, hereinafter referred to as burner 5, and 6 an exhaust duct.
- the furnace 1 is used to heat water in the Water tank 2. Cold water is supplied to the water tank 2 by means of the feed line 3, while heated water flows through the feed line 4 for heating a building and / or for heating domestic water.
- the temperature of the water in the water tank 2 is monitored by the furnace controller 1A.
- the burner 5 is arranged on the furnace 1 and projects with its combustion chamber 7 into a furnace 8 of the furnace 1. As soon as the temperature of the water drops, the furnace controller 1A requests thermal energy from the burner 5.
- the burner 5 generates the thermal energy by burning liquid and / or gaseous fuels. Hot combustion gases from the combustion chamber 7 flow around the water tank 2 in the combustion chamber 8 and give off their thermal energy there. A large part of the thermal energy generated is used to heat the water. Then the combustion gases escape through the exhaust duct 6 into the open.
- the burner 5 has a blower 9, an air duct 10 with a throttle device 11, a delivery and metering device 12 for the fuel and an atomizer nozzle 13 arranged in the combustion chamber 7.
- the conveying and metering device 12 conveys the fuel in the direction of an arrow 14 by means of a fuel pump 15 or by means of a corresponding gas pressure.
- a metering valve 17 connected between the fuel pump 15 and the atomizing nozzle 13 into a fuel line 16 regulates or interrupts the flow of the fuel.
- the fuel is metered through the fuel line 16 to the atomizer nozzle 13, where the fuel is finely distributed by means of compressed air, so that the fuel-air mixture can be ignited by means of an electrical spark between ignition electrodes 18 and 19.
- An air compressor 20 draws air from the air duct 10 and presses the compressed air through an air line 21 into the atomizing nozzle 13.
- the air required for combustion is pressed by the blower 9 through the air duct 10 to the combustion chamber 7, the throttle device 11 being changed by changing the Cross section of the air duct 10 doses the amount of air in accordance with the required heat output in such a way that the fuel supplied by the conveying and metering device 12 to the atomizing nozzle 13 burns optimally.
- a flame probe 22 monitors the burning process in the combustion chamber 7.
- the flame probe 22 sets the intensity of the emission of ultraviolet or infrared light from a flame 23 when heating oil in a training as a photocell or when burning natural gas in a training as an ionization sensor increased by flame 23 electrical conductivity of the gases in the combustion chamber 7 fixed.
- the oxygen content and / or the temperature of the exhaust gases can be measured in addition by means of an exhaust gas probe 24 (“ ⁇ probe”).
- the burner 5 Depending on the amount of heat requested by the furnace 1, the burner 5 must be started, the heat output changed or switched off. So that these complicated processes take place automatically in the burner 5, the burner is equipped with a monitoring circuit, an automatic burner control 26. It regulates the time when the pumps 9, 11, 15 are switched on and off and the correct ratio of the air and fuel quantities taking into account the signals transmitted by the probes 22, 24, 25 and monitors the presence of the flame 23. At least the air quantity becomes adjusted by means of the throttle device 11 via an actuator 27. For safety reasons, the automatic burner control 26 checks the function of each component of the controlled system and the position of the actuator 27. For the sake of clarity, the electrical lines for the electrical signals and the supply of electrical energy are not shown in the drawing in FIG.
- the burner control 26 and the actuator 27 are accommodated in a common housing 29 with a power supply 28 for the power supply of the burner control 26 and the actuator 27 and the other electrical and electronic components.
- a power supply 28 for the power supply of the burner control 26 and the actuator 27 and the other electrical and electronic components.
- One wall of the housing 29 has a reset button 30 of the automatic burner control 26 that can be operated manually from the outside.
- the actuator 27 is mechanically connected to the throttle device 11 of the air duct 10.
- the actuator 27 changes the cross section of the air duct 10 under the control of the automatic firing device 26 by means of the throttle device 11 and thus regulates the air throughput so that the combustion process for the heat output requested by the furnace control unit 1A takes place under optimal conditions.
- the actuator 27 equipped with an electric drive changes the channel cross section by means of a throttle valve 32 which is arranged in the air channel 10 and can be rotated about an axis 31. The position of the actuator is mechanically transmitted to the throttle valve 32 by means of a linkage 33.
- an actuator shaft 34 engages, for example with a mandrel, directly in a groove of the shaft 31 such that the position of the throttle valve 32 in the Air duct 10 corresponds directly to the angle of rotation or the position of the actuator axis 34 of the actuator 27.
- the position of the throttle valve 32 or the actuator axis 34 is continuously transmitted to the automatic firing device 26.
- At least the burner control 26, the actuator 27 and the power supply 29 are accommodated in the housing 29 (FIG. 1) and form an automatic control unit 35.
- a connection socket 36 (FIG. 2) on the housing 35 forms passages of electrical lines 37 for the electrical ones Signals and / or the power supply for the components of the burner 5 to be controlled (FIG. 1).
- the components to be controlled include, for example, the blower 9, the conveying and metering device 12, the air compressor 20, an igniter 38 for the ignition electrodes 18 (FIG. 1), 19 (FIG. 1) and monitoring probes 39. At least 39 of the monitoring probes are the flame probe 22 (Fig. 1) connected.
- the exhaust gas probe 24 (FIG. 1) and / or the temperature sensor 25 FIG.
- furnace control 1 A is additionally connected. Furthermore, the furnace control 1 A is connected to the line 37 with the automatic control unit 35.
- the lines 37 contact the connection socket 36 by means of plugs 40 and / or by means of clamps, so that the electrical connections can be easily separated when one of the components is replaced.
- the described arrangement of the automatic firing device 26 and the actuator 27 in the automatic setting device 35 has a number of advantages.
- the installation of the automatic control unit 35 is more economical compared to the installation of a conventional pair composed of completely independent devices consisting of the automatic firing unit 26 and the actuator 27.
- there are electrical connections 41 between the automatic firing unit 26 and the actuator 27 within the automatic unit 35 very short and optimally installed in every application.
- the effort to achieve the electromagnetic compatibility is less, since fewer electrical lines 37 are routed into and out of the automatic control unit 35 in comparison with the conventional arrangement.
- the automatic firing device 26 is connected as a module to the power supply unit 28 and the actuator 27 in the automatic control unit 35. That is after the removal of the module of the automatic actuators 35 can also be used as an external actuator 42.
- the external actuator 42 is connected and controlled, for example, via electrical lines (not shown in the drawing in FIG. 2) to the connection socket 36 of the automatic control unit 35 equipped with the module of the automatic firing unit 26.
- FIG. 3 An inexpensive version of the automatic control unit 35 is shown in FIG. 3.
- the circuits of the automatic burner control 26 (FIG. 2) and the actuator 27, the power pack 28 and the connection socket 36 are arranged on a circuit board 43 in the housing 29 (FIG. 1).
- a logic unit 44 e.g. a microprocessor 44 '
- An interface 46 between the logic unit 44 and the connections 41 or the connection socket 36 adjusts the levels of the internal electrical signals to the levels of the servomotor 45 or the external components connected via the connection socket 36.
- Protective devices 47 necessary for electromagnetic compatibility (EMC) are also arranged on the printed circuit board 43.
- the microprocessor 44 ' is used as the logic unit 44. All parameters and functions are stored in a programmable memory 48 which is accessed by the microprocessor 44 '.
- This arrangement has the advantage that the automatic control unit 35 can be adapted to the respective type of burner 5 (FIG. 1) by changing parameters or program parts in the memory 48.
- a switch 49 is additionally arranged inside the actuating machine 35.
- the switch 49 is set up in one position to block the functions of the automatic burner control 26 and to directly connect control circuits of the servomotor 45 to the connection socket 36. This allows the automatic machine 35 to be used as an external actuator 42 (FIG. 2).
- the automatic control unit 35 additionally contains at least one control module 50 for controlling a further external actuator 42.
- the electrical lines 37 for transmitting the drive power for the external actuator 42 and signals for the feedback of the state of the external actuator 42 are on the Termination socket 36 led to the automatic machine 35.
- the external actuator 42 is fed, for example, by the power supply 28.
- the control module 50 is, for example, a separate circuit part which can be plugged onto the printed circuit board 43 and which fulfills all functions of the control module 50 or only contains an actuator interface 51 with the EMC protection circuits 47 for the external actuator 42, the functions of the control module 50 being software in the form of software Program of the microprocessor 44 'or in the form of parameters in the memory 48 are included.
- the control module 50 is set up to receive and process the feedback signals for controlling and monitoring the position of the external actuator 42 in such a way that the current position of the external actuator 42 depends on the current position of the internal actuator 27 following a predetermined function.
- the automatic control unit 35 with the external actuator 42 forms an electronic compound control device.
- the predetermined function of this electronic compound control device can be entered, for example, in the form of a table in the memory 48 of the microprocessor 44 '.
- the external actuator 42 actuates, for example, the metering valve 17 in the fuel line 16 leading to the atomizing nozzle 13 of the burner 5 (FIG. 1) for liquid and / or gaseous fuel under the control of the automatic control unit 35, so that the control unit 1A (FIG. 1) required amount of heat is generated.
- the position of the external actuator 42 determines the amount of fuel supplied to the burner 5 by means of the metering valve 17.
- the air throughput in the air duct 10 must be adjusted over the entire adjustment range of the heat output of the burner 5 by means of the throttle device 11 adjustable with the internal actuator 27, so that the fuel is optimally burned with the predetermined amount of air in the combustion chamber 7 (FIG. 1) ,
- the electronic compound control device Since the function table for the electronic compound control device in the memory 48 is interchangeable, the electronic compound control device has much greater flexibility than a mechanical compound control device if the automatic control unit 35 is to be adapted to the properties of the different types of the burners 7.
- a mechanical compound control device is described in the above-mentioned patent specification DE 39 00 151 C1, in which a single servomotor is used Throttle device 11 and the metering valve 17 adjusts, the throttle device 11 and the metering valve 17 being coupled via adjustable levers and rods in such a way that the optimum fuel-air ratio is ensured for the entire output range of the burner 7.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/471,138 US6955535B2 (en) | 2001-03-06 | 2002-03-04 | Array for an automatic firing device for a gas or oil burner |
DE50212863T DE50212863D1 (de) | 2001-03-06 | 2002-03-04 | Anordnung eines feuerungsautomaten für einen gas- oder ölbrenner |
EP02702600A EP1366323B1 (de) | 2001-03-06 | 2002-03-04 | Anordnung eines feuerungsautomaten für einen gas- oder ölbrenner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10110810.9 | 2001-03-06 | ||
DE10110810A DE10110810A1 (de) | 2001-03-06 | 2001-03-06 | Anordnung eines Feuerungsautomaten für einen Gas- oder Ölbrenner |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002070954A1 true WO2002070954A1 (de) | 2002-09-12 |
Family
ID=7676517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/000621 WO2002070954A1 (de) | 2001-03-06 | 2002-03-04 | Anordnung eines feuerungsautomaten für einen gas- oder ölbrenner |
Country Status (4)
Country | Link |
---|---|
US (1) | US6955535B2 (de) |
EP (1) | EP1366323B1 (de) |
DE (2) | DE10110810A1 (de) |
WO (1) | WO2002070954A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10235995A1 (de) * | 2002-08-06 | 2004-05-13 | Guard Sound Industry Co., Ltd., Hsin Chuang | Anti-Brenngasexplosions-Steuerverfahren |
DE102004055716C5 (de) * | 2004-06-23 | 2010-02-11 | Ebm-Papst Landshut Gmbh | Verfahren zur Regelung einer Feuerungseinrichtung und Feuerungseinrichtung (Elektronischer Verbund I) |
KR20060087071A (ko) * | 2005-01-28 | 2006-08-02 | 주식회사 경동네트웍 | 풍량센서를 이용한 오일 버너의 적정 공연비 제어 시스템및 그 제어방법 |
US20090114861A1 (en) * | 2007-09-12 | 2009-05-07 | Paul Luebbers | Control system for dynamic orifice valve apparatus and method |
TR200904537A2 (tr) * | 2009-06-10 | 2009-11-23 | Özti̇ryaki̇ler Madeni̇ Eşya Sanayi̇ Ve Ti̇caret A.Ş. | Elektronik kontrollü sıvı, gaz yakıt brülörü |
ITPD20130186A1 (it) * | 2013-07-02 | 2015-01-03 | Sit La Precisa S P A Con Socio Uni Co | Metodo di controllo del funzionamento di un bruciatore |
US9175786B2 (en) | 2013-08-30 | 2015-11-03 | Lumec Control Products, Inc. | Valve apparatus |
US10508807B2 (en) * | 2014-05-02 | 2019-12-17 | Air Products And Chemicals, Inc. | Remote burner monitoring system and method |
CN109974027B (zh) * | 2019-02-22 | 2020-07-21 | 上海发电设备成套设计研究院有限责任公司 | 一种煤电锅炉燃烧器安全风险在线监视控制方法及装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753520A1 (de) | 1977-12-01 | 1979-06-07 | Saacke Kg H | Feuerungsvorrichtung zur verbrennungsoptimierung |
US4375950A (en) * | 1981-04-01 | 1983-03-08 | Durley Iii Benton A | Automatic combustion control method and apparatus |
EP0339135A1 (de) * | 1988-04-25 | 1989-11-02 | Landis & Gyr Betriebs AG | Verbundsteuereinrichtung für einen Brenner |
DE9300162U1 (de) * | 1993-01-08 | 1993-03-25 | Steuerungstechnik Staiger GmbH & Co Produktions-Vertriebs-KG, 7121 Erligheim | Einrichtung für einen Gasbrenner o.dgl. |
EP0556694A1 (de) | 1992-02-15 | 1993-08-25 | Pierburg Gmbh | Brennersystem für flüssigen Brennstoff |
EP0644376A1 (de) | 1993-09-22 | 1995-03-22 | Landis & Gyr Business Support AG | Verfahren zur Regelung eines Brenners |
DE3900151C2 (de) | 1989-01-04 | 1995-05-24 | Weishaupt Max Gmbh | Sicherheitstechnische Überwachung eines drehzahlgesteuerten Verbrennungsluftgebläses |
WO1999024757A1 (en) * | 1997-11-06 | 1999-05-20 | Ambi-Rad Limited | Space heating appliances |
DE19839160A1 (de) | 1998-08-28 | 2000-03-02 | Stiebel Eltron Gmbh & Co Kg | Verfahren und Schaltung zur Regelung eines Gasbrenners |
US6048193A (en) * | 1999-01-22 | 2000-04-11 | Honeywell Inc. | Modulated burner combustion system that prevents the use of non-commissioned components and verifies proper operation of commissioned components |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645450A (en) * | 1984-08-29 | 1987-02-24 | Control Techtronics, Inc. | System and process for controlling the flow of air and fuel to a burner |
DE3770425D1 (de) * | 1986-12-11 | 1991-07-04 | Dreizler Walter | Heizkesselanlage mit externer abgasrueckfuehrung. |
DE4110516C1 (de) * | 1991-03-30 | 1992-08-06 | Ruhrgas Ag, 4300 Essen, De | |
DE19601581A1 (de) * | 1996-01-18 | 1997-07-24 | Broetje August Gmbh & Co | Verfahren zum Betreiben eines Gebläsebrenners zur Durchführung des Verfahrens |
DE19645196B4 (de) * | 1996-11-02 | 2006-08-17 | J. Eberspächer GmbH & Co. KG | Flüssigbrennstoffbetriebenes Heizgerät |
WO1999050580A1 (en) * | 1998-03-27 | 1999-10-07 | Maxon Corporation | Intelligent valve actuator |
-
2001
- 2001-03-06 DE DE10110810A patent/DE10110810A1/de not_active Withdrawn
-
2002
- 2002-03-04 US US10/471,138 patent/US6955535B2/en not_active Expired - Lifetime
- 2002-03-04 WO PCT/IB2002/000621 patent/WO2002070954A1/de not_active Application Discontinuation
- 2002-03-04 DE DE50212863T patent/DE50212863D1/de not_active Expired - Lifetime
- 2002-03-04 EP EP02702600A patent/EP1366323B1/de not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753520A1 (de) | 1977-12-01 | 1979-06-07 | Saacke Kg H | Feuerungsvorrichtung zur verbrennungsoptimierung |
US4375950A (en) * | 1981-04-01 | 1983-03-08 | Durley Iii Benton A | Automatic combustion control method and apparatus |
EP0339135A1 (de) * | 1988-04-25 | 1989-11-02 | Landis & Gyr Betriebs AG | Verbundsteuereinrichtung für einen Brenner |
DE3900151C2 (de) | 1989-01-04 | 1995-05-24 | Weishaupt Max Gmbh | Sicherheitstechnische Überwachung eines drehzahlgesteuerten Verbrennungsluftgebläses |
EP0556694A1 (de) | 1992-02-15 | 1993-08-25 | Pierburg Gmbh | Brennersystem für flüssigen Brennstoff |
DE9300162U1 (de) * | 1993-01-08 | 1993-03-25 | Steuerungstechnik Staiger GmbH & Co Produktions-Vertriebs-KG, 7121 Erligheim | Einrichtung für einen Gasbrenner o.dgl. |
EP0644376A1 (de) | 1993-09-22 | 1995-03-22 | Landis & Gyr Business Support AG | Verfahren zur Regelung eines Brenners |
WO1999024757A1 (en) * | 1997-11-06 | 1999-05-20 | Ambi-Rad Limited | Space heating appliances |
DE19839160A1 (de) | 1998-08-28 | 2000-03-02 | Stiebel Eltron Gmbh & Co Kg | Verfahren und Schaltung zur Regelung eines Gasbrenners |
US6048193A (en) * | 1999-01-22 | 2000-04-11 | Honeywell Inc. | Modulated burner combustion system that prevents the use of non-commissioned components and verifies proper operation of commissioned components |
Also Published As
Publication number | Publication date |
---|---|
DE10110810A1 (de) | 2002-09-12 |
EP1366323B1 (de) | 2008-10-08 |
DE50212863D1 (de) | 2008-11-20 |
EP1366323A1 (de) | 2003-12-03 |
US6955535B2 (en) | 2005-10-18 |
US20040121275A1 (en) | 2004-06-24 |
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