EP0643273B1 - Combustiongas-producing installation, especially hot water boiler - Google Patents

Combustiongas-producing installation, especially hot water boiler Download PDF

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Publication number
EP0643273B1
EP0643273B1 EP94113842A EP94113842A EP0643273B1 EP 0643273 B1 EP0643273 B1 EP 0643273B1 EP 94113842 A EP94113842 A EP 94113842A EP 94113842 A EP94113842 A EP 94113842A EP 0643273 B1 EP0643273 B1 EP 0643273B1
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EP
European Patent Office
Prior art keywords
combustion
hot water
combustion gases
water boiler
gases
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Expired - Lifetime
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EP94113842A
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German (de)
French (fr)
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EP0643273A1 (en
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Richard Vetter
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
    • F24D5/06—Hot-air central heating systems; Exhaust gas central heating systems operating without discharge of hot air into the space or area to be heated
    • F24D5/08—Hot-air central heating systems; Exhaust gas central heating systems operating without discharge of hot air into the space or area to be heated with hot air led through radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/06—Regulating fuel supply conjointly with draught
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00—Ventilators
    • F23N2233/02—Ventilators in stacks

Definitions

  • the invention relates to a combustion gas generating System, esp. Hot water boiler system, with one Exhaust fan for the combustion gases and with one or more, flowed through by the combustion gases Heat exchangers, especially for the floor, ceiling or Wall heating and combustion air preheating, being inside a vacuum measurement is carried out in the combustion chamber.
  • a combustion gas generating System esp. Hot water boiler system
  • Exhaust fan for the combustion gases
  • Heat exchangers especially for the floor, ceiling or Wall heating and combustion air preheating, being inside a vacuum measurement is carried out in the combustion chamber.
  • EP-A-0314 972 is a hot water boiler system known, in which within the combustion chamber Vacuum measurement takes place, and the one suction fan for which has combustion gases. To the hot water boiler system is followed by a flue gas duct. The suction fan is off at the outlet of the combustion gases arranged in the boiler, it pushes the combustion gases in the flue gas duct.
  • a heating of heat exchangers like the one at the beginning mentioned facility enables, but especially the use of Combustion gases for operating heat exchangers or Radiators for walls, floors and ceilings great advantage that the exhaust gas temperatures are comparatively can be greatly reduced to make it a cheap one To achieve heat yield.
  • Combustion gases for operating heat exchangers or Radiators for walls, floors and ceilings
  • the risk of harmful gases leave the radiators and then cause damage can, especially since gas-tight installations are difficult are monitoring. This danger is especially with a device such as that known from EP-A-0314 972, in which the flue gases with overpressure in the exhaust duct be introduced.
  • a heating system is known from EP-A-0488 064, at which the flue gases through a fan from the boiler system deducted and tube heat storage supplied will.
  • These tubular heat stores have several parallel tubes carrying the flue gases, the walls, e.g. in the masonry or in the concrete that are brought into the rooms to be heated. It can be a second fan at the end of one of these tube heat stores are located. Even when using one second fan, it is not excluded, that flue gases with overpressure in the tube heat storage be introduced so that the risk described above also exists here.
  • the invention is based on the object at the outset to improve the facilities mentioned so that security of these plants enlarged and thus prevented Combustion gases can lead to any damage.
  • the invention is Exhaust fan at the end of the exhaust pipe behind the last heat exchanger located outside the boiler arranged, with heat exchangers in the form of serpentine, arranged in one level Pipes as floor, ceiling or wall heating are provided.
  • a hot water boiler 1 Inside a hot water boiler 1 with burner 2 there is a combustion chamber in the upper part and below a preheater for the combustion air, the one Air inlet 3 and an air outlet 4, which for Forwarding of the preheated air via line 5 to Burner 2 leads. Leave the combustion or exhaust gases the hot water boiler at 6.
  • the exhaust gases are used to achieve a good heat yield a floor heater 7 and a wall heater 8 fed.
  • Both heaters consist of coils, of which the Floor heating 7 in a horizontal line and the Pipes of wall heating 8 in a vertical plane are arranged.
  • the coils can be free or covered, but also in the wall or the ceiling or floor be embedded.
  • the exhaust gases pass from the two heaters 7, 8 in the sense arrows 9 in the chimney system of the house, which in Fig. 2 is shown schematically.
  • the exhaust gases are first over a horizontal pipe 1o and then vertically led upwards.
  • the vertical pipe section is 11 designated, the one at its upper, free end Suction fan 12 carries.
  • the exhaust gases come from it in the sense of arrow 13 outdoors.
  • the pipe sections 10, 11 are centered in a larger one Pipe 14 arranged to close below the Exhaust fan 12 is sufficient; there the outside air flows in Arrow 14 'into the tube 14.
  • a Branch air line 16 branches off, which leads to air inlet 3. The air preheated by the hot exhaust gases becomes warmed up further within the hot water boiler 1 and thus reaches burner 2 or the combustion chamber, which is not is shown further.
  • a total of three heat exchangers are provided to one enable increased use of exhaust gases; once are the two heaters 7, 8, the other is the Chimney heat exchanger provided which is a preheating of the combustion air.
  • the invention sees a test of the vacuum at the Imagine the farthest from the exhaust fan is. The vacuum measurement takes place in the Combustion chamber of the hot water boiler 1, at the Instead of the burner 2 facing. This will a probe or the like is used to at this point to be able to make the desired measurement.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Supply (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Incineration Of Waste (AREA)

Abstract

The invention starts out from a combustion gas-producing installation, especially a hot water heating installation, having a suction fan (12) for the combustion gases and having one or more downstream heat exchangers (11, 14). In order to improve the safety of these installations and avoid the possibility of combustion gases causing damage, according to the invention the combustion chamber is assigned a vacuum gauge and, in addition, the suction fan (12) is arranged after the last heat exchanger (11, 14), seen in the flow direction of the combustion gases. <IMAGE>

Description

Die Erfindung betrifft eine Verbrennungsgase erzeugende Anlage, insb. Warmwasserheizkesselanlage, mit einem Absaugventilator für die Verbrennungsgase und mit einem oder mehreren, von den Verbrennungsgasen durchströmten Wärmetauschern, insb. für die Fußboden-, Decken- oder Wandheizung und Verbrennungsluftvorwärmung, wobei innerhalb der Brennkammer eine Unterdruckmessung erfolgt.The invention relates to a combustion gas generating System, esp. Hot water boiler system, with one Exhaust fan for the combustion gases and with one or more, flowed through by the combustion gases Heat exchangers, especially for the floor, ceiling or Wall heating and combustion air preheating, being inside a vacuum measurement is carried out in the combustion chamber.

Aus der EP-A-0314 972 ist eine Warmwasserheizkesselanlage bekannt, bei der innerhalb der Brennkammer eine Unterdruckmessung erfolgt, und die ein Sauggebläse für die Verbrennungsgase aufweist. An die Warmwasserheizkesselanlage schließt sich ein Rauchgasabzugskanal an. Das Sauggebläse ist am Austritt der Verbrennungsgase aus dem Kessel angeordnet, es drückt die Verbrennungsgase in den Rauchgasabzugskanal.EP-A-0314 972 is a hot water boiler system known, in which within the combustion chamber Vacuum measurement takes place, and the one suction fan for which has combustion gases. To the hot water boiler system is followed by a flue gas duct. The suction fan is off at the outlet of the combustion gases arranged in the boiler, it pushes the combustion gases in the flue gas duct.

Eine Beheizung von Wärmetauschern, wie sie die eingangs erwähnte Anlage ermöglicht, insb. aber die Nutzung von Verbrennungsgasen zum Betreiben von Wärmetauschern bzw. Heizkörpern für Wände, Fußböden und Decken hat den großen Vorteil, daß die Abgastemperaturen vergleichsweise stark gesenkt werden können, um so eine günstige Wärmeausbeute zu erzielen. Allerdings besteht bei derartigen Heizanlagen die Gefahr, daß schädliche Gase die Heizkörper verlassen und dann zu Schäden führen können, zumal gasdichte Installationen schwer zu überwachen sind. Diese Gefahr ist insb. bei einem Gerät wie dem aus der EP-A-0314 972 bekannten gegeben, bei dem die Rauchgase mit Überdruck in den Abzugskanal eingeführt werden.A heating of heat exchangers, like the one at the beginning mentioned facility enables, but especially the use of Combustion gases for operating heat exchangers or Radiators for walls, floors and ceilings great advantage that the exhaust gas temperatures are comparatively can be greatly reduced to make it a cheap one To achieve heat yield. However, at such heating systems the risk of harmful gases leave the radiators and then cause damage can, especially since gas-tight installations are difficult are monitoring. This danger is especially with a device such as that known from EP-A-0314 972, in which the flue gases with overpressure in the exhaust duct be introduced.

Aus der EP-A-0488 064 ist eine Heizanlage bekannt, bei der die Rauchgase durch einen Ventilator aus der Kesselanlage abgezogen und Röhrenwärmespeichern zugeleitet werden. Diese Röhrenwärmespeicher weisen mehrere parallel verlaufende, die Rauchgase führende Röhren auf, die Wände, z.B. in das Mauerwerk oder in den Beton, der zu heizenden Räume eingebracht sind. Dabei kann sich ein zweiter Ventilator am Ende eines dieser Röhrenwärmespeicher befinden. Auch bei Verwendung eines solchen zweiten Ventilators ist es jedoch nicht ausgeschlossen, daß Rauchgase mit Überdruck in die Röhrenwärmespeicher eingebracht werden, sodaß die oben beschriebene Gefahr auch hier besteht.A heating system is known from EP-A-0488 064, at which the flue gases through a fan from the boiler system deducted and tube heat storage supplied will. These tubular heat stores have several parallel tubes carrying the flue gases, the walls, e.g. in the masonry or in the concrete that are brought into the rooms to be heated. It can be a second fan at the end of one of these tube heat stores are located. Even when using one second fan, it is not excluded, that flue gases with overpressure in the tube heat storage be introduced so that the risk described above also exists here.

Der Erfindung liegt die Aufgabe zugrunde, die eingangs erwähnte Anlagen so zu verbessern, daß die Sicherheit dieser Anlagen vergrößert und somit verhindert wird, daß Verbrennungsgase zu irgendwelchen Schäden führen können.The invention is based on the object at the outset to improve the facilities mentioned so that security of these plants enlarged and thus prevented Combustion gases can lead to any damage.

Zur Lösung dieser Aufgabe ist erfindungsgemäß der Absaugventilator am Ende der Abgasleitung hinter dem letzten sich außerhalb des Kessels befindenden Wärmetauscher angeordnet, wobei Wärmetauscher in Form von schlangenförmig verlegten, in einer Ebene angeordneten Rohren als Fußboden-, Decken- oder Wandheizungen vorgesehen sind.To solve this problem, the invention is Exhaust fan at the end of the exhaust pipe behind the last heat exchanger located outside the boiler arranged, with heat exchangers in the form of serpentine, arranged in one level Pipes as floor, ceiling or wall heating are provided.

Bei einer solchen Anlage ist sichergestellt, daß einerseits auch die die Verbrennungsgase führenden Kanäle der Wärmetauscher unter Unterdruck stehen, andererseits befindet sich der Unterdruckmesser gerade an der Stelle, an der die Verbrennungsgase entstehen. Ergibt sich der Fall, daß der in der erwähnten Weise angeordnete und den Wärmetauschern nachgeschaltete Absaugventilator nicht mehr oder ungenügend arbeitet, so wird dieser Mangel unverzüglich an der Brennkammer festgestellt. Der Brenner wird dann unverzüglich abgeschaltet. Darüber hinaus können aber auch bei normal arbeitendem Absaugventilator Undichtigkeiten z.B. im Bereich der Wärmetauscher eingetreten sein. Auch in diesem Fall wird der Brenner abzuschalten sein, weil sich in der Brennkammer nicht der gehörige Unterdruck einstellen kann.With such a system it is ensured that on the one hand also the channels of the combustion gases Heat exchangers are under vacuum, on the other hand the vacuum gauge is just at the point where the combustion gases are generated. The result is Case that the arranged in the manner mentioned and the Exhaust fan downstream of heat exchangers not works more or insufficiently, this deficiency will immediately found on the combustion chamber. The burner will then be switched off immediately. Furthermore can also work with a normal exhaust fan Leaks e.g. in the area of heat exchangers have occurred. In this case too, the burner be switched off because the combustion chamber is not the can set the appropriate negative pressure.

Demgemäss werden nicht nur die Brennkammer, sondern auch die Funktionsfähigkeit der gesamten Abgasleitung und die Tüchtigkeit der Wärmetauscher überwacht.Accordingly, not only the combustion chamber, but also the functionality of the entire exhaust pipe and the Efficiency of the heat exchanger monitored.

Weitere Einzelheiten der Erfindung werden anhand der Zeichnung erläutert, in der ein Ausführungsbeispiel der Erfindung dargestellt ist. Es zeigen :

  • Fig. 1 eine Warmwasserkesselanlage in schaubildlicher Darstellung und
  • Fig. 2 die zugehörige Schornsteineinrichtung in Form eines senkrechten Schnittes durch die Wand eines Hauses.
    • Further details of the invention will be explained with reference to the drawing, in which an embodiment of the invention is shown. Show it :
  • Fig. 1 shows a hot water boiler system in a diagram and
  • Fig. 2 shows the associated chimney in the form of a vertical section through the wall of a house.

    • Innerhalb eines Warmwasserheizkessels 1 mit Brenner 2 befindet sich im oberen Teil eine Brennkammer und darunter ein Vorwärmer für die Verbrennungsluft, die einen Lufteintritt 3 und einen Luftaustritt 4 aufweist, der zur Weiterleitung der vorgewärmten Luft über die Leitung 5 zum Brenner 2 führt. Die Verbrennungs- oder Abgase verlassen den Warmwasserheizkessel bei 6. Inside a hot water boiler 1 with burner 2 there is a combustion chamber in the upper part and below a preheater for the combustion air, the one Air inlet 3 and an air outlet 4, which for Forwarding of the preheated air via line 5 to Burner 2 leads. Leave the combustion or exhaust gases the hot water boiler at 6.

    Zur Erzielung einer guten Wärmeausbeute werden die Abgase einer Bodenheizung 7 und einer Wandheizung 8 zugeleitet. Beide Heizungen bestehen aus Rohrschlangen, von denen die Schlangen der Bodenheizung 7 in einer waagerechten und die Rohrschlangen der Wandheizung 8 in einer senkrechten Ebene angeordnet sind. Die Rohrschlangen können dabei frei oder verdeckt, aber auch in die Wand bzw. die Decke oder Boden eingebettet sein.The exhaust gases are used to achieve a good heat yield a floor heater 7 and a wall heater 8 fed. Both heaters consist of coils, of which the Floor heating 7 in a horizontal line and the Pipes of wall heating 8 in a vertical plane are arranged. The coils can be free or covered, but also in the wall or the ceiling or floor be embedded.

    Von den beiden Heizungen 7, 8 gelangen die Abgase im Sinne der Pfeile 9 in die Schornsteinanlage des Hauses, die in Fig. 2 schematisch wiedergegeben ist. Die Abgase werden zunächst über ein waagerechtes Rohr 1o und dann senkrecht nach oben geführt. Der senkrechte Rohrabschnitt ist mit 11 bezeichnet, der an seinem oberen, freien Ende einen Absaugventilator 12 trägt. Von ihm aus gelangen die Abgase im Sinne des Pfeiles 13 ins Freie.The exhaust gases pass from the two heaters 7, 8 in the sense arrows 9 in the chimney system of the house, which in Fig. 2 is shown schematically. The exhaust gases are first over a horizontal pipe 1o and then vertically led upwards. The vertical pipe section is 11 designated, the one at its upper, free end Suction fan 12 carries. The exhaust gases come from it in the sense of arrow 13 outdoors.

    Die Rohrabschnitte 10, 11 sind zentrisch in einem grösseren Rohr 14 angeordnet, das bis nahe unterhalb des Absaugventilators 12 reicht; dort strömt die Aussenluft im Sinne der Pfeile 14' in das Rohr 14 ein. Von dem waagerechten unteren Teil 15 des Rohres 14 ist eine Zuluftleitung 16 abgezweigt, die zum Lufteintritt 3 führt. Die durch die heissen Abgase vorgewärmte Luft wird innerhalb des Warmwasserheizkessels 1 weiter angewärmt und gelangt so zum Brenner 2 bzw. in die Brennkammer, die nicht weiter dargestellt ist. The pipe sections 10, 11 are centered in a larger one Pipe 14 arranged to close below the Exhaust fan 12 is sufficient; there the outside air flows in Arrow 14 'into the tube 14. Of the horizontal lower part 15 of the tube 14 is a Branch air line 16 branches off, which leads to air inlet 3. The air preheated by the hot exhaust gases becomes warmed up further within the hot water boiler 1 and thus reaches burner 2 or the combustion chamber, which is not is shown further.

    Demgemäss sind insgesamt drei Wärmetauscher vorgesehen, um eine gesteigerte Nutzung der Abgase zu ermöglichen; einmal sind die beiden Heizungen 7, 8, zum anderen ist der Schornsteinwärmetauscher vorgesehen, der eine Vorwärmung der Verbrennungsluft ermöglicht. Dabei sorgt der Abgasventilator 12 für einen gewünschten Unterdruck in der Abgasleitung, damit eineresits die Abgase abgeführt werden, andererseits aber auch keine Abgase z.B. ungewollt über die Heizungen 7, 8 austreten können. Um dies sicherzustellen, sieht die Erfindung eine Prüfung des Unterdrucks an der Stelle vor, die am weitesten vom Absaugventilator entfernt ist. Die Unterdruckmessung findet nämlich in der Brennkammer des Warmwasserheizkessels 1, und zwar an der Stelle statt, die dem Brenner 2 zugekehrt ist,. Dazu wird eine Sonde od. dgl. benutzt, um an dieser Stelle die gewünschte Messung vornehmen zu können.Accordingly, a total of three heat exchangers are provided to one enable increased use of exhaust gases; once are the two heaters 7, 8, the other is the Chimney heat exchanger provided which is a preheating of the combustion air. The ensures Exhaust fan 12 for a desired negative pressure in the Exhaust pipe so that the exhaust gases can be removed on the other hand also no exhaust gases e.g. unwanted about the Heaters 7, 8 can leak. To ensure this the invention sees a test of the vacuum at the Imagine the farthest from the exhaust fan is. The vacuum measurement takes place in the Combustion chamber of the hot water boiler 1, at the Instead of the burner 2 facing. This will a probe or the like is used to at this point to be able to make the desired measurement.

    Stellen sich Undichtigkeiten in der Abgasleitung oder im Warmwasserheizkessel 1 ein, wird also der Unterdruck nicht eingehalten, oder arbeitet der Absaugventilator 12 nicht oder nur unzureichend, so wird dieser Tatbestand sofort vom Unterdruckmesser ermittelt. Alsdann wird in Abhängigkeit hiervon der Brenner 2 abgeschaltet, um Schäden zu vermeiden und die Möglichkeit einer Reparatur zu geben oder eine Änderung der Gesamtanlage durchführen zu können. Wichtig ist dabei in jedem Falle, dass die beiden Hauptelemente - Absaugventilator 12 einerseits und Unterdruckmesser andererseits - wirkungsmässig an entgegengesetzten Enden der Anlage angeordnet sind, um eine optimale Wirkung erreichen zu können.If there are leaks in the exhaust pipe or in the Hot water boiler 1, so the negative pressure is not complied with, or the suction fan 12 does not work or inadequate, this fact is immediately removed from the Vacuum meter determined. Then becomes dependent the burner 2 is switched off in order to avoid damage and the possibility of a repair or give one To be able to change the entire system. Important is in any case that the two main elements - Suction fan 12 on the one hand and vacuum gauge on the other hand - effectively at opposite ends the plant are arranged to have an optimal effect to be able to achieve.

    Claims (2)

    1. System which generates combustion gases, esp. a hot water boiler system, comprising a suction fan (12) for the combustion gases and comprising one or more heat exchangers (7, 8), which are traversed by the combustion gases, esp. for the heating of floors, ceilings or walls and for the preheating of combustion air, a low-pressure measurement being effected internally of the combustion chamber, characterised in that the suction fan (12) is disposed at the end of the waste gas pipe behind the last heat exchanger (11, 14) situated externally of the boiler, heat exchangers being provided in the form of pipes, which are laid in a snake-like manner and are disposed in a plane, said pipes serving as floor, ceiling or wall heaters (7, 8).
    2. System according to claim 1, characterised in that the low-pressure measurement is effected in the wall region facing the burner (2).
    EP94113842A 1993-09-14 1994-09-03 Combustiongas-producing installation, especially hot water boiler Expired - Lifetime EP0643273B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE4331121 1993-09-14
    DE4331121A DE4331121A1 (en) 1993-09-14 1993-09-14 Plant generating combustion gases, especially hot water boilers

    Publications (2)

    Publication Number Publication Date
    EP0643273A1 EP0643273A1 (en) 1995-03-15
    EP0643273B1 true EP0643273B1 (en) 1998-11-25

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP94113842A Expired - Lifetime EP0643273B1 (en) 1993-09-14 1994-09-03 Combustiongas-producing installation, especially hot water boiler

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    EP (1) EP0643273B1 (en)
    AT (1) ATE173810T1 (en)
    DE (2) DE4331121A1 (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102007047661A1 (en) * 2007-09-18 2009-03-26 Kübler Gmbh Method and arrangement for heating buildings with infrared heating
    NL2006919C2 (en) * 2011-06-09 2012-12-11 Mark Holding B V DIRECT GAS FIRED HEATING DEVICE.

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    NL8001474A (en) * 1980-03-12 1981-10-01 Rheem Bv HEATING DEVICE AND METHOD FOR CONTROLLING THEIR ENERGY CONDUCTION
    DE3737474A1 (en) * 1987-11-05 1989-05-18 Richard Vetter DEVICE FOR HEATING WATER, ESP. WATER BOILER
    DE4037988A1 (en) * 1990-11-29 1992-06-04 Richard Vetter METHOD FOR HEATING BUILDINGS AND DEVICE FOR IMPLEMENTING THE METHOD

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    Publication number Publication date
    ATE173810T1 (en) 1998-12-15
    DE4331121A1 (en) 1995-03-16
    DE59407330D1 (en) 1999-01-07
    EP0643273A1 (en) 1995-03-15

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