EP2306113A2 - Heating device - Google Patents

Heating device Download PDF

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Publication number
EP2306113A2
EP2306113A2 EP10009764A EP10009764A EP2306113A2 EP 2306113 A2 EP2306113 A2 EP 2306113A2 EP 10009764 A EP10009764 A EP 10009764A EP 10009764 A EP10009764 A EP 10009764A EP 2306113 A2 EP2306113 A2 EP 2306113A2
Authority
EP
European Patent Office
Prior art keywords
cooling channel
heater according
cover element
cooling
heat exchanger
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.)
Withdrawn
Application number
EP10009764A
Other languages
German (de)
French (fr)
Other versions
EP2306113A3 (en
Inventor
Werner Dr. Klausmann
Roger DÖNGES
Gunthard Görge
Andrei Gaier
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.)
Viessmann Werke GmbH and Co KG
Original Assignee
Viessmann Werke GmbH and Co KG
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 Viessmann Werke GmbH and Co KG filed Critical Viessmann Werke GmbH and Co KG
Publication of EP2306113A2 publication Critical patent/EP2306113A2/en
Publication of EP2306113A3 publication Critical patent/EP2306113A3/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M7/00—Doors
    • F23M7/04—Cooling doors or door frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/10—Baffles or deflectors formed as tubes, e.g. in water-tube boilers

Definitions

  • the invention relates to a heater according to the preamble of patent claim 1.
  • a heater of the type mentioned is according to the EP 1 562 006 A1 known.
  • This consists of a helically coiled heat exchanger and a combustion chamber, in which a burner for liquid or gaseous fuel is arranged, the axially of at least one cast-produced cover element (see FIG. 2 of the EP 1 562 006 A1 ) and is bounded radially by the heat exchanger.
  • this includes, as well as the heater according to the invention, a housing which is formed from a shell part and the at least one cover element and which encloses the heat exchanger to form an exhaust gas passage.
  • the invention has for its object to improve a heater of the type mentioned in particular thermally.
  • the cover element is provided with at least one cast-in, prefabricated cooling channel for forming a cover cooling.
  • a cover element produced by casting is provided, which, however, in comparison to the solution according to FIG EP 1 562 006 A1 has the advantage that it is much easier to manufacture, which should further be noted that the solution of Figure 7 in the strict sense even no lid member, but one formed of sheet metal, so-called (housing) board shows.
  • the prefabricated cooling channel can optionally be arranged on the side of the burner and / or on the side opposite to it.
  • the decisive advantage of the solution according to the invention is that the cooling channel is simply inserted as a prefabricated component during casting of the cover element in the mold and cast around; on a complex production of cores for the production of molds or the like can be dispensed with according to the invention.
  • FIG. 1 shown heater, just like the heater according to the invention, from a helically coiled heat exchanger 1 and a combustion chamber 2, in which a burner 3 arranged for liquid or gaseous fuel is axially delimited on both sides by a cover element 4 produced by casting technology and radially from the heat exchanger 2.
  • the heat exchanger 2 is a helical tube heat exchanger with a rectangular tube cross section, wherein a fürströmspalt 8 for the hot, coming from the burner 3 exhaust gas is provided between the helices.
  • the cover elements 4 each have a shoulder 12, which takes into account the helical shape or the tail of the helical tube heat exchanger.
  • a housing is provided, which is formed from a jacket part 9 and the cover elements 4 and which surrounds the heat exchanger to form an exhaust gas channel 10.
  • the lid member 4 is provided to form a lid cooling with at least one cast-in prefabricated cooling channel 5. According to the invention, therefore, one of the in FIG. 1 shown cover elements 4 by an inventive according to FIG. 2 or 3 to replace.
  • the invention has the advantage that thanks to the cooling effect of the cooling channel 5 can be completely dispensed with a thermal insulation block.
  • cover element 4 with burner 3 such cooling has proven to be advantageous, ie in this case, the arranged on the lid member 4 burner 3 is enclosed by the cooling channel 5, wherein such a solution with respect to the cover elements 4 according FIG. 2 or 3 is simply to create by making the middle part 11 without cooling channel larger and provides a through-opening for the burner 3 (not shown).
  • the cooling channel 5 is particularly preferably designed as a pipeline, in particular with a circular pipe cross-section. This allows a simple prefabrication of the cooling channel 5, which is also preferably formed in a spiral planar and lying in a main plane of the lid member 4.
  • the cooling channel 5 has a flow and a return port 6, 7, which, as shown and preferred, as an angle to the main plane of the cooling channel 5, outwardly of the combustion chamber 2 facing the connecting piece are formed.
  • the cooling channel 5 is preferably hydraulically connected to a heating circuit of a heating system (not shown).
  • the cover element 4 is made of cast aluminum, in particular sand casting or chill casting, and the cooling channel 5 is formed of a material with a higher melting point.

Landscapes

  • 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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The device has a burner arranged in a burner chamber that is axially limited by a covering element (4). The burner chamber is radially limited by a helically coiled heat exchanger, and the covering element is provided with a prefabricated cooling channel (5) for forming a cover cooling unit, where the cooling channel is formed as a pipeline with a circular cross section. The cooling channel is hydraulically connected with a heating circuit of a heating system, where the covering element is formed from aluminum casting.

Description

Die Erfindung betrifft ein Heizgerät gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a heater according to the preamble of patent claim 1.

Ein Heizgerät der eingangs genannten Art ist nach der EP 1 562 006 A1 bekannt. Dieses besteht aus einem schraubenlinienförmig gewendelten Wärmetauscher und einer Brennkammer, in der ein Brenner für flüssigen oder gasförmigen Brennstoff angeordnet ist, die axial von mindestens einem gusstechnisch hergestellten Deckelelement (siehe Figur 2 der EP 1 562 006 A1 ) und radial vom Wärmetauscher begrenzt ist. Weiterhin umfasst dieses, wie auch das erfindungsgemäße Heizgerät, ein Gehäuse, das aus einem Mantelteil und dem mindestens einen Deckelelement gebildet ist und das den Wärmetauscher unter Ausbildung eines Abgaskanals umschließt.A heater of the type mentioned is according to the EP 1 562 006 A1 known. This consists of a helically coiled heat exchanger and a combustion chamber, in which a burner for liquid or gaseous fuel is arranged, the axially of at least one cast-produced cover element (see FIG. 2 of the EP 1 562 006 A1 ) and is bounded radially by the heat exchanger. Furthermore, this includes, as well as the heater according to the invention, a housing which is formed from a shell part and the at least one cover element and which encloses the heat exchanger to form an exhaust gas passage.

Der Erfindung liegt die Aufgabe zugrunde, ein Heizgerät der eingangs genannten Art insbesondere wärmetechnisch zu verbessern.The invention has for its object to improve a heater of the type mentioned in particular thermally.

Diese Aufgabe ist mit einem Heizgerät der eingangs genannten Art durch die im Kennzeichen des Patentanspruchs 1 aufgeführten Merkmale gelöst.This object is achieved with a heater of the type mentioned by the features listed in the characterizing part of patent claim 1.

Nach der Erfindung ist also vorgesehen, dass das Deckelelement zur Ausbildung einer Deckelkühlung mit mindestens einem eingegossenen, vorgefertigten Kühlkanal versehen ist.According to the invention, it is thus provided that the cover element is provided with at least one cast-in, prefabricated cooling channel for forming a cover cooling.

Mit anderen Worten ist erfindungsgemäß ein gusstechnisch hergestelltes Deckelelement vorgesehen, das aber gegenüber der Lösung nach Figur 7 der EP 1 562 006 A1 den Vorteil hat, das es wesentlich einfacher herzustellen ist, wobei weiterhin zu beachten ist, dass die Lösung nach Figur 7 im strengen Sinne gar kein Deckelelement, sondern eine aus Blech gebildete, so genannte (Gehäuse-) Platine zeigt.In other words, according to the invention, a cover element produced by casting is provided, which, however, in comparison to the solution according to FIG EP 1 562 006 A1 has the advantage that it is much easier to manufacture, which should further be noted that the solution of Figure 7 in the strict sense even no lid member, but one formed of sheet metal, so-called (housing) board shows.

Wieder mit Blick auf Figur 2 der EP 1 562 006 A1 kann dabei der vorgefertigte Kühlkanal wahlweise auf der Seite des Brenners und/oder auf der ihm gegenüberliegenden Seite angeordnet sein. Der entscheidende Vorteil der erfindungsgemäßen Lösung besteht darin, dass der Kühlkanal als vorgefertigtes Bauteil einfach beim Gießen des Deckelelements in die Gussform eingelegt und umgossen wird; auf eine aufwändige Herstellung von Kernen zur Erzeugung von Hohlformen oder dergleichen kann erfindungsgemäß verzichtet werden.Again looking up FIG. 2 of the EP 1 562 006 A1 In this case, the prefabricated cooling channel can optionally be arranged on the side of the burner and / or on the side opposite to it. The decisive advantage of the solution according to the invention is that the cooling channel is simply inserted as a prefabricated component during casting of the cover element in the mold and cast around; on a complex production of cores for the production of molds or the like can be dispensed with according to the invention.

Andere vorteilhafte Weiterbildungen ergeben sich aus den abhängigen Patentansprüchen.Other advantageous developments emerge from the dependent claims.

Das erfindungsgemäße Heizgerät einschließlich seiner vorteilhaften Weiterbildungen gemäß der abhängigen Patentansprüche wird nachfolgend anhand der zeichnerischen Darstellung eines bevorzugten Ausführungsbeispiels näher erläutert.The heater according to the invention including its advantageous developments according to the dependent claims will be explained in more detail with reference to the drawing of a preferred embodiment.

Es zeigt

Figur 1
im Schnitt das Heizgerät gemäß Figur 2 der EP 1 562 006 A1 (Stand der Technik);
Figur 2
perspektivisch eine bevorzugte Ausführungsform des erfindungsgemäßen Deckelelements und
Figur 3
perspektivisch und teilweise geschnitten die Rückseite des Dekkelelements gemäß Figur 2.
It shows
FIG. 1
on average, the heater according to FIG. 2 of the EP 1 562 006 A1 (State of the art);
FIG. 2
in perspective, a preferred embodiment of the lid member according to the invention and
FIG. 3
perspective and partially cut the back of Dekkelelements according FIG. 2 ,

Das in Figur 1 dargestellte Heizgerät besteht, genau wie das erfindungsgemäße Heizgerät, aus einem schraubenlinienförmig gewendelten Wärmetauscher 1 und einer Brennkammer 2, in der ein Brenner 3 für flüssigen oder gasförmigen Brennstoff angeordnet ist, die axial beidseitig von je einem gusstechnisch hergestellten Deckelelement 4 und radial vom Wärmetauscher 2 begrenzt ist. Bei dem Wärmetauscher 2 handelt es sich um einen Wendelrohrwärmetauscher mit rechteckigem Rohrquerschnitt, wobei zwischen den Wendeln ein Durchströmspalt 8 für das heiße, vom Brenner 3 kommende Abgas vorgesehen ist. Die Deckelelemente 4 weisen jeweils einen Absatz 12 auf, der der Schraubenlinienform bzw. dem Endstück des Wendelrohrwärmetauschers Rechnung trägt. Weiterhin ist ein Gehäuse vorgesehen, das aus einem Mantelteil 9 und den Deckelelementen 4 gebildet ist und das den Wärmetauscher unter Ausbildung eines Abgaskanals 10 umschließt.This in FIG. 1 shown heater, just like the heater according to the invention, from a helically coiled heat exchanger 1 and a combustion chamber 2, in which a burner 3 arranged for liquid or gaseous fuel is axially delimited on both sides by a cover element 4 produced by casting technology and radially from the heat exchanger 2. The heat exchanger 2 is a helical tube heat exchanger with a rectangular tube cross section, wherein a Durchströmspalt 8 for the hot, coming from the burner 3 exhaust gas is provided between the helices. The cover elements 4 each have a shoulder 12, which takes into account the helical shape or the tail of the helical tube heat exchanger. Furthermore, a housing is provided, which is formed from a jacket part 9 and the cover elements 4 and which surrounds the heat exchanger to form an exhaust gas channel 10.

Wesentlich für das erfindungsgemäße Heizgerät ist nun, dass das Deckelelement 4 zur Ausbildung einer Deckelkühlung mit mindestens einem eingegossenen, vorgefertigten Kühlkanal 5 versehen ist. Erfindungsgemäß ist also vorgesehen, eines der in Figur 1 dargestellten Deckelelemente 4 durch ein erfindungsgemäßes gemäß Figur 2 bzw. 3 zu ersetzen.Essential for the heater according to the invention is now that the lid member 4 is provided to form a lid cooling with at least one cast-in prefabricated cooling channel 5. According to the invention, therefore, one of the in FIG. 1 shown cover elements 4 by an inventive according to FIG. 2 or 3 to replace.

In Bezug auf das links in Figur 1 dargestellte, beim Stand der Technik mit einem Wärmedämmblock versehene Deckelelement 4 hat die Erfindung den Vorteil, dass dank der Kühlwirkung des Kühlkanals 5 vollständig auf einen Wärmedämmblock verzichtet werden kann. Aber auch in Bezug auf das rechts in Figur 1 dargestellte Deckelelement 4 mit Brenner 3 hat sich eine solche Kühlung als vorteilhaft erwiesen, d. h. in diesem Fall ist der am Deckelelement 4 angeordnete Brenner 3 vom Kühlkanal 5 umschlossen, wobei eine solche Lösung in Bezug auf die Deckelelemente 4 gemäß Figur 2 bzw. 3 einfach dadurch zu schaffen ist, dass man den mittleren Teil 11 ohne Kühlkanal größer ausbildet und mit einer Durchgriffsöffnung für den Brenner 3 versieht (nicht dargestellt).In terms of the left in FIG. 1 shown, provided in the prior art with a thermal insulation block cover element 4, the invention has the advantage that thanks to the cooling effect of the cooling channel 5 can be completely dispensed with a thermal insulation block. But also in terms of the right in FIG. 1 illustrated cover element 4 with burner 3, such cooling has proven to be advantageous, ie in this case, the arranged on the lid member 4 burner 3 is enclosed by the cooling channel 5, wherein such a solution with respect to the cover elements 4 according FIG. 2 or 3 is simply to create by making the middle part 11 without cooling channel larger and provides a through-opening for the burner 3 (not shown).

Wie weiterhin aus den Figuren 2 und 3 ersichtlich, ist der Kühlkanal 5 besonders bevorzugt als Rohrleitung, insbesondere mit kreisförmigen Rohrquerschnitt, ausgebildet. Dies ermöglicht eine einfache Vorfertigung des Kühlkanals 5, der darüber hinaus bevorzugt spiralförmig ebenflächig und in einer Hauptebene des Deckelelements 4 liegend ausgebildet ist.As continues from the Figures 2 and 3 it can be seen, the cooling channel 5 is particularly preferably designed as a pipeline, in particular with a circular pipe cross-section. This allows a simple prefabrication of the cooling channel 5, which is also preferably formed in a spiral planar and lying in a main plane of the lid member 4.

Um den Kühlkanal 5 mit einem Kühlmedium versorgen zu können, weist dieser einen Vorlauf- und einen Rücklaufanschluss 6, 7 auf, wobei diese, wie dargestellt und bevorzugt, als zur Hauptebene des Kühlkanals 5 abgewinkelte, nach außerhalb der Brennkammer 2 weisende Anschlussstutzen ausgebildet sind. Wie auch der Wärmetauscher 1 ist der Kühlkanal 5 bevorzugt hydraulisch mit einem Heizkreis einer Heizungsanlage verbunden (nicht dargestellt).To be able to supply the cooling channel 5 with a cooling medium, this has a flow and a return port 6, 7, which, as shown and preferred, as an angle to the main plane of the cooling channel 5, outwardly of the combustion chamber 2 facing the connecting piece are formed. Like the heat exchanger 1, the cooling channel 5 is preferably hydraulically connected to a heating circuit of a heating system (not shown).

Um zu gewährleisten, dass der Kühlkanal 5 beim Gießen des Deckelelements 4 nicht beschädigt wird, ist schließlich vorgesehen, dass das Deckelelement 4 aus Aluminiumguss, insbesondere Sandguß bzw. Kokillenguß, und der Kühlkanal 5 aus einem Material mit einem höheren Schmelzpunkt gebildet ist.In order to ensure that the cooling channel 5 is not damaged during the casting of the cover element 4, it is finally provided that the cover element 4 is made of cast aluminum, in particular sand casting or chill casting, and the cooling channel 5 is formed of a material with a higher melting point.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Wärmetauscherheat exchangers
22
Brennkammercombustion chamber
33
Brennerburner
44
Deckelelementcover element
55
Kühlkanalcooling channel
66
VorlaufanschlussFlow connection
77
RücklaufanschlussReturn connection
88th
Durchströmspaltthroughflow
99
Mantelteiljacket part
1010
Abgaskanalexhaust duct
1111
mittlerer Teilmiddle part
1212
Absatzparagraph

Claims (9)

Heizgerät, umfassend einen schraubenlinienförmig gewendelten Wärmetauscher (1) und eine Brennkammer (2), in der ein Brenner (3) für flüssigen oder gasförmigen Brennstoff angeordnet ist, die axial von mindestens einem gusstechnisch hergestellten Deckelelement (4) und radial vom Wärmetauscher (2) begrenzt ist,
dadurch gekennzeichnet,
dass das Deckelelement (4) zur Ausbildung einer Deckelkühlung mit mindestens einem eingegossenen, vorgefertigten Kühlkanal (5) versehen ist.A heating appliance comprising a helical coiled heat exchanger (1) and a combustion chamber (2) in which a liquid or gaseous fuel burner (3) is arranged axially by at least one cover element (4) produced by casting and radially by the heat exchanger (2). is limited
characterized,
that the cover element (4) to form a lid with at least one cooling cast, pre-cooling duct (5) is provided. Heizgerät nach Anspruch 1,
dadurch gekennzeichnet,
dass der Kühlkanal (5) als Rohrleitung, vorzugsweise mit kreisförmigen Querschnitt, ausgebildet ist.Heater according to claim 1,
characterized,
that the cooling channel (5) as a pipe line, preferably is formed with circular cross-section. Heizgerät nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass der Kühlkanal (5) ebenflächig und in einer Hauptebene des Deckelelements (4) liegend ausgebildet ist.Heater according to claim 1 or 2,
characterized,
that the cooling channel (5) is planar and in a main plane of the cover element (4) is formed lying. Heizgerät nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
dass der Kühlkanal (5) spiralförmig ausgebildet ist.Heater according to one of claims 1 to 3,
characterized,
that the cooling channel (5) is formed spirally. Heizgerät nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
dass der Kühlkanal (5) einen Vorlauf- und einen Rücklaufanschluss (6, 7) aufweist.Heater according to one of claims 1 to 4,
characterized,
that the cooling channel (5) has a flow and a return port (6, 7). Heizgerät nach Anspruch 5,
dadurch gekennzeichnet,
dass wahlweise der Vor- und/oder der Rücklaufanschluss (6, 7) als zur Hauptebene des Kühlkanals (5) abgewinkelte(r), nach außerhalb der Brennkammer (2) weisende(r) Anschlussstutzen ausgebildet sind (ist).Heater according to claim 5,
characterized,
in that optionally the upstream and / or the return connection (6, 7) are designed as (r) angled (r) to the main plane of the cooling channel (5) and to the outside of the combustion chamber (2). Heizgerät nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
dass der Kühlkanal (5) hydraulisch mit einem Heizkreis einer Heizungsanlage verbunden ist.Heater according to one of claims 1 to 6,
characterized,
that the cooling channel (5) is hydraulically connected to a heating circuit of a heating system. Heizgerät nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
dass der Brenner (3) am Deckelelement (4) angeordnet und vom Kühlkanal (5) umschlossen ist.Heater according to one of claims 1 to 7,
characterized,
is that the burner (3) (4) disposed on the cover element and the cooling channel (5) is enclosed. Heizgerät nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
dass das Deckelelement (4) aus Aluminiumguss und der Kühlkanal (5) aus einem Material mit einem höheren Schmelzpunkt gebildet ist.Heater according to one of claims 1 to 8,
characterized,
in that the cover element (4) is made of cast aluminum and the cooling channel (5) is formed of a material with a higher melting point.
EP10009764.1A 2009-09-29 2010-09-17 Heating device Withdrawn EP2306113A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910043289 DE102009043289B3 (en) 2009-09-29 2009-09-29 heater

Publications (2)

Publication Number Publication Date
EP2306113A2 true EP2306113A2 (en) 2011-04-06
EP2306113A3 EP2306113A3 (en) 2013-11-13

Family

ID=43127348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10009764.1A Withdrawn EP2306113A3 (en) 2009-09-29 2010-09-17 Heating device

Country Status (2)

Country Link
EP (1) EP2306113A3 (en)
DE (1) DE102009043289B3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3220073A1 (en) * 2016-03-14 2017-09-20 Vaillant GmbH Helical heat exchanger

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022134666A1 (en) 2022-12-23 2024-07-04 Viessmann Climate Solutions Se heater

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1562006A1 (en) 2004-01-30 2005-08-10 Viessmann Werke GmbH & Co KG Heating device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4207500C2 (en) * 1992-03-10 1995-04-20 Zeljko Dipl Ing Varga Boiler with reduced NO¶x¶ emissions
US6415724B1 (en) * 1999-01-01 2002-07-09 The Babcock & Wilcox Company Water-jacketed, high-temperature, stretcher-accessible door for a boiler
JP4087407B2 (en) * 2002-10-16 2008-05-21 ソシエテ、デチュード、エ、ド、レアリザシオン、メカニク、エンジニアリング、アン、テクノロジーズ、アバンセ Condensation heat exchanger with plastic casing
EP1812753A1 (en) * 2004-10-27 2007-08-01 Andritz Oy Cooling system for ports in a boiler

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1562006A1 (en) 2004-01-30 2005-08-10 Viessmann Werke GmbH & Co KG Heating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3220073A1 (en) * 2016-03-14 2017-09-20 Vaillant GmbH Helical heat exchanger

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Publication number Publication date
EP2306113A3 (en) 2013-11-13
DE102009043289B3 (en) 2011-04-28

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