EP1227276A2 - Double-walled connection pipe - Google Patents

Double-walled connection pipe Download PDF

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Publication number
EP1227276A2
EP1227276A2 EP01126987A EP01126987A EP1227276A2 EP 1227276 A2 EP1227276 A2 EP 1227276A2 EP 01126987 A EP01126987 A EP 01126987A EP 01126987 A EP01126987 A EP 01126987A EP 1227276 A2 EP1227276 A2 EP 1227276A2
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EP
European Patent Office
Prior art keywords
bellows
double
walled
tubes
rings
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EP01126987A
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German (de)
French (fr)
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EP1227276A3 (en
EP1227276B1 (en
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Willi Skoberne
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/02—Linings; Jackets; Casings
    • F23J13/025—Linings; Jackets; Casings composed of concentric elements, e.g. double walled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/04—Joints; Connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2211/00—Flue gas duct systems
    • F23J2211/10—Balanced flues (combining air supply and flue gas exhaust)
    • F23J2211/101—Balanced flues (combining air supply and flue gas exhaust) with coaxial duct arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/20—Joints; Connections
    • F23J2213/203—Joints; Connections between stack/duct and combustion apparatus

Definitions

  • the invention relates to a double-walled connecting line for connecting a burner to one in a building installed double-walled exhaust pipe.
  • Burners especially boilers, are increasing Dimensions connected to double-walled connecting cables, at which an internal wiring harness an exhaust pipe forms and between the inner wiring harness and the outer duct wall lying jacket space for supply from fresh air to the burner.
  • Bellows tubes made of flexibly connected conical bellows rings are known (WO 99/56049). It is known (DE 198 02 417 C1), which laid in the fireplace double-walled connecting cable on bellows tubes perform, with the burners connected via pipes become.
  • the object of the invention is therefore a double-walled Connection line of the type mentioned at the beginning create that in a constructively simple manner and with low workload, especially on the construction site, even under difficult spatial conditions Connection of the burner to the one installed in the building double-walled exhaust pipe enables.
  • connection line two essentially concentric has mutually extending flexible bellows tubes, between which radial spacers are arranged, and that the bellows tubes have bistable sections.
  • the flexible design of the double-walled connecting cable with bistable sections allows in very simple Way an adjustment of the line course to the respective local conditions on the construction site. For example can change the connection line starting from the burner Beams or other internals are led around without that for this each double-walled elbows or similar elements would be required.
  • the adaptation happens in a very simple way because the double-walled connecting cable is bent and laid in such a way as the spatial conditions allow. at the same time can also be a fluidically favorable course can be selected with deflections with a small radius be avoided.
  • the flexible between the two Bellows tubes or hoses arranged radial Spacers ensure that even with one more curved course compliance with a sufficient Distance between the inner bellows tube and the outer bellows tube is ensured so that unhindered jacket space for the fresh air supply preserved.
  • each bellows tube each in essentially from flexibly connected conical Bellows rings exist.
  • Each bellows ring preferably forms one bistable elastic element. Every conical bellows ring has two stable positions, so that adjacent bellows rings either at an approximately predetermined angle to each other are arranged, several bellows rings a bellows form, or lie flat against each other and a block of Form bellows rings.
  • the effective length of the bellows tubes results from what proportion of their bellows rings in this Form a bellows or a block. By Applying tensile or compressive forces in In the longitudinal direction, this effective length of the bellows tubes to be changed.
  • Fig. 1 is an example of a burner 1 Boiler indicated, for example in the attic a building is arranged.
  • the combustion device 1 is connected to a double-walled exhaust pipe 2 connected, one Roof duct forms and consists of two rigid, concentric tubes 3 and 4 arranged to each other.
  • the inner Tube 3 forms an exhaust pipe; the outer tube 4 is in All-round distance to the inner tube 3 arranged so that A jacket space 5 is created, the fresh air supply to Burner 1 is used.
  • Pipe socket 6 there is an internal one on the combustion device 1 Pipe socket 6 provided through which the exhaust gases exit.
  • An outer pipe socket 7 encloses the inner one Pipe socket 6 concentric; in between is a jacket space 8 formed by which the fresh air to the burner 1, in particular a condensing boiler.
  • the pipe socket 6 and 7 of the burner 1 are one flexible, double-walled connecting line 9 with the double-walled exhaust pipe 2 connected.
  • the Connection line 9 has two essentially concentric flexible bellows pipes running towards each other, namely an inner bellows tube 10 and an outer Bellows tube 11, between which radial spacers 12 (Fig. 2) are arranged around the two bellows tubes or hoses 10 and 11 in a concentric arrangement. and essentially constant radial distance to hold to each other.
  • each of the two Bellows tubes 10, 11 a flexible bellows section 14, which is essentially flexible with each other connected conical bellows rings 15 is made of plastic.
  • Each bellows ring 15 forms a bistable elastic Element. Adjacent bellows rings 15 can therefore either in an essentially predetermined angle to each other be arranged, as in FIG. 3 in an area 16 is shown, the bellows rings 15 an elastic Form bellows, or the bellows rings can lie essentially flat on top of each other and in one Section 17 an axially substantially rigid block form.
  • the effective length of the bellows tube 10 or 11 can be done in a very simple way during assembly be determined that a tensile force in the axial direction or pressure force exerted on the bellows compensator 11 will, so a more or less large part of its Bellows rings 15 from the bellows arrangement as in area 16 in the block arrangement as in area 17 and vice versa transforms.
  • the bellows tube 10 or 11 is in each of the Chosen lengths essentially stable, but leaves one axial length change due to elastic deformations.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Joints Allowing Movement (AREA)
  • Multi-Conductor Connections (AREA)
  • Exhaust Silencers (AREA)

Abstract

The connecting pipe (9) has two concentric flexible concertina-shaped tubes (10,11) between which are radial spacer pieces. The two concertina shaped tubes have bi-stable sections, and each consists of conical, flexibly joined corrugated rings each of which forms a bistable element.

Description

Die Erfindung betrifft eine doppelwandige Anschlussleitung zur Verbindung eines Brenngeräts mit einer in einem Gebäude verlegten doppelwandigen Abgasleitung.The invention relates to a double-walled connecting line for connecting a burner to one in a building installed double-walled exhaust pipe.

Brenngeräte, insbesondere Heizkessel, werden in zunehmendem Maße an doppelwandige Anschlussleitungen angeschlossen, bei denen ein innenliegender Leitungsstrang eine Abgasleitung bildet und der zwischen dem innenliegenden Leitungsstrang und der äußeren Leitungswand liegende Mantelraum zur Zufuhr von Frischluft zum Brenngerät dient.Burners, especially boilers, are increasing Dimensions connected to double-walled connecting cables, at which an internal wiring harness an exhaust pipe forms and between the inner wiring harness and the outer duct wall lying jacket space for supply from fresh air to the burner.

Üblicherweise bestehen diese bekannten doppelwandigen Anschlussleitungen aus konzentrisch zueinander angeordneten starren Rohren, beispielsweise aus Kunststoff. Wenn bei der Verlegung von einem geradlinigen Leitungsverlauf abgewichen werden muss, beispielsweise um eine Anpassung an bauseitig vorliegende Gegebenheiten vorzunehmen, müssen Rohrkniee und andere doppelwandigen Leitungselemente verwendet werden, um einen abgeknickten Leitungsverlauf zu ermöglichen. Die Anpassung, die oftmals erst auf der Baustelle vorgenommen werden muss, ist mit verhältnismäßig hohem Arbeitsaufwand verbunden. Diese Schwierigkeiten treten typischerweise bei im Dachgeschoß angeordneten Heizkesseln auf, bei denen der Ort der Dachdurchführung durch konstruktive Gegebenheiten des Dachaufbaus vorgestimmt ist, während sich die Anordnung des Heizkessels nach den vorhandenen Platzverhältnissen richten muss.These known double-walled structures usually exist Connection lines from concentrically arranged to each other rigid pipes, for example made of plastic. If at the Laying deviated from a straight line must be, for example, to adapt to the site to carry out existing conditions, pipe bends and other double-walled pipe elements are used to to allow a kinked line. The Adaptation, which is often only made on site has to be done with a relatively high amount of work connected. These difficulties typically arise Boilers arranged in the attic, in which the Location of the roof lead-through due to structural conditions of the roof structure is predetermined, while the arrangement of the boiler according to the available space must judge.

Faltenbalgrohre aus flexibel miteinander verbundenen konischen Balgringen sind bekannt (WO 99/56049). Es ist bekannt (DE 198 02 417 C1), die im Kamin verlegte doppelwandige Anschlussleitung an Faltenbalgrohren auszuführen, wobei die Brenngeräte über Rohre angeschlossen werden.Bellows tubes made of flexibly connected conical bellows rings are known (WO 99/56049). It is known (DE 198 02 417 C1), which laid in the fireplace double-walled connecting cable on bellows tubes perform, with the burners connected via pipes become.

Aufgabe der Erfindung ist es daher, eine doppelwandige Anschlussleitung der eingangs genannten Gattung zu schaffen, die in konstruktiv einfacher Weise und mit geringem Arbeitsaufwand, insbesondere auf der Baustelle, auch unter schwierigen räumlichen Verhältnissen den Anschluß des Brenngeräts an die im Gebäude verlegte doppelwandige Abgasleitung ermöglicht.The object of the invention is therefore a double-walled Connection line of the type mentioned at the beginning create that in a constructively simple manner and with low workload, especially on the construction site, even under difficult spatial conditions Connection of the burner to the one installed in the building double-walled exhaust pipe enables.

Diese Aufwage wird erfindungsgemäß dadurch gelöst, dass die Anschlussleitung zwei im wesentlichen konzentrisch zueinander verlaufende flexible Faltenbalgrohre aufweist, zwischen denen radiale Abstandshalter angeordnet sind, und dass die Faltenbalgrohre bistabile Abschnitte aufweisen.This balance is solved according to the invention in that the Connection line two essentially concentric has mutually extending flexible bellows tubes, between which radial spacers are arranged, and that the bellows tubes have bistable sections.

Die flexible Ausführung der doppelwandigen Anschlussleitung mit bistabilen Abschnitten ermöglicht in sehr einfacher Weise eine Anpassung des Leitungsverlaufs an die jeweiligen örtlichen Gegebenheiten auf der Baustelle. Beispielsweise kann die Anschlussleitung ausgehend von dem Brenngerät um Balken oder sonstige Einbauten herumgeführt werden, ohne dass hierfür jeweils doppelwandig ausgeführte Kniestücke oder ähnliche Elemente erforderlich wären. Die Anpassung geschieht in sehr einfacher Weise dadurch, dass die doppelwandige Anschlussleitung so gebogen und verlegt wird, wie es die räumlichen Gegebenheiten gestatten. Zugleich kann dabei auch ein strömungstechnisch günstiger Verlauf gewählt werden, bei dem Umlenkungen mit kleinem Radius vermieden werden. Durch die bistabilen Abschnitte wird erreicht, dass die Faltenbalgrohre in jeder vorgegebenen Länge einen stabilen Zustand ohne wesentliche elastische Längskräfte einnehmen. Die zwischen den beiden flexiblen Faltenbalgrohren oder -schläuchen angeordneten radialen Abstandshalter sorgen dafür, dass auch bei einem mehrfach gekrümmten Verlauf die Einhaltung eines ausreichenden Abstands zwischen dem inneren Faltenbalgrohr und dem äußeren Faltenbalgrohr sichergestellt ist, damit ein unbehinderter Mantelraum für die Frischluftzuführung erhalten bleibt.The flexible design of the double-walled connecting cable with bistable sections allows in very simple Way an adjustment of the line course to the respective local conditions on the construction site. For example can change the connection line starting from the burner Beams or other internals are led around without that for this each double-walled elbows or similar elements would be required. The adaptation happens in a very simple way because the double-walled connecting cable is bent and laid in such a way as the spatial conditions allow. at the same time can also be a fluidically favorable course can be selected with deflections with a small radius be avoided. Through the bistable sections achieved that the bellows tubes in any given Length a stable condition with no substantial elastic Take up longitudinal forces. The flexible between the two Bellows tubes or hoses arranged radial Spacers ensure that even with one more curved course compliance with a sufficient Distance between the inner bellows tube and the outer bellows tube is ensured so that unhindered jacket space for the fresh air supply preserved.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die beiden Faltenbalgrohre jeweils im wesentlichen aus flexibel miteinander verbundenen konischen Balgringen bestehen. Jeder Balgring bildet vorzugsweise ein bistabiles elastisches Element. Jeder konische Balgring hat zwei stabile Stellungen, so dass benachbarte Balgringe entweder in einem angenähert vorgegebenen Winkel zueinander angeordnet sind, wobei mehrere Balgringe einen Faltenbalg bilden, oder flach aneinander liegen und einen Block von Balgringen bilden.According to a preferred embodiment of the invention provided that the two bellows tubes each in essentially from flexibly connected conical Bellows rings exist. Each bellows ring preferably forms one bistable elastic element. Every conical bellows ring has two stable positions, so that adjacent bellows rings either at an approximately predetermined angle to each other are arranged, several bellows rings a bellows form, or lie flat against each other and a block of Form bellows rings.

Die jeweils wirksame Länge der Faltenbalgrohre ergibt sich daraus, welcher Anteil ihrer Balgringe in dieser genannten Weise einen Faltenbalg oder einen Block bilden. Durch Aufbringen von Zugkräften oder Druckkräften in Längsrichtung kann diese wirksame Länge der Faltenbalgrohre verändert werden.The effective length of the bellows tubes results from what proportion of their bellows rings in this Form a bellows or a block. By Applying tensile or compressive forces in In the longitudinal direction, this effective length of the bellows tubes to be changed.

Die Erfindung wird nachfolgend an einem Ausführungsbeispiel näher erläutert, das in der Zeichnung dargestellt ist. Es zeigt:

  • Fig. 1 ein Brenngerät, das über eine flexible doppelwandige Anschlussleitung an eine Abgasleitung angeschlossen ist,
  • Fig. 2 einen vergrößerten Schnitt längs der Linie II-II in Fig. 1 und
  • Fig. 3 einen Abschnitt eines der Faltenbalgrohre, teilweise im Schnitt.
    • The invention is explained in more detail below using an exemplary embodiment which is illustrated in the drawing. It shows:
  • 1 shows a combustion device which is connected to an exhaust gas line via a flexible double-walled connecting line,
  • Fig. 2 is an enlarged section along the line II-II in Fig. 1 and
  • Fig. 3 shows a section of one of the bellows tubes, partially in section.

    • In Fig. 1 ist als Beispiel eines Brenngeräts 1 ein Heizkessel angedeutet, der beispielsweise im Dachgeschoß eines Gebäudes angeordnet ist. Das Brenngerät 1 ist an eine doppelwandige Abgasleitung 2 angeschlossen, die eine Dachdurchführung bildet und aus zwei starren, konzentrisch zueinander angeordneten Rohren 3 und 4 besteht. Das innere Rohr 3 bildet eine Abgasleitung; das äußere Rohr 4 ist in allseitigem Abstand zum inneren Rohr 3 angeordnet, so dass ein Mantelraum 5 entsteht, der der Frischluftzufuhr zum Brenngerät 1 dient.In Fig. 1 is an example of a burner 1 Boiler indicated, for example in the attic a building is arranged. The combustion device 1 is connected to a double-walled exhaust pipe 2 connected, one Roof duct forms and consists of two rigid, concentric tubes 3 and 4 arranged to each other. The inner Tube 3 forms an exhaust pipe; the outer tube 4 is in All-round distance to the inner tube 3 arranged so that A jacket space 5 is created, the fresh air supply to Burner 1 is used.

    In entsprechender Weise ist am Brenngerät 1 ein innerer Rohrstutzen 6 vorgesehen, durch den die Abgase austreten. Ein äußerer Rohrstutzen 7 umschließt den inneren Rohrstutzen 6 konzentrisch; dazwischen ist ein Mantelraum 8 gebildet, durch den die Frischluft dem Brenngerät 1, insbesondere einem Brennwertgerät, zugeführt wird.Correspondingly, there is an internal one on the combustion device 1 Pipe socket 6 provided through which the exhaust gases exit. An outer pipe socket 7 encloses the inner one Pipe socket 6 concentric; in between is a jacket space 8 formed by which the fresh air to the burner 1, in particular a condensing boiler.

    Die Rohrstutzen 6 und 7 des Brenngeräts 1 sind über eine flexible, doppelwandige Anschlussleitung 9 mit der doppelwandigen Abgasleitung 2 verbunden. Die Anschlussleitung 9 weist zwei im wesentlichen konzentrisch zueinander verlaufende flexible Faltenbalgrohre auf, nämlich ein inneres Faltenbalgrohr 10 und ein äußeres Faltenbalgrohr 11, zwischen denen radiale Abstandshalter 12 (Fig. 2) angeordnet sind, um die beiden Faltenbalgrohre oder -schläuche 10 und 11 in konzentrischer Anordnung.und im wesentlichen gleichbleibendem radialen Abstand zueinander zu halten.The pipe socket 6 and 7 of the burner 1 are one flexible, double-walled connecting line 9 with the double-walled exhaust pipe 2 connected. The Connection line 9 has two essentially concentric flexible bellows pipes running towards each other, namely an inner bellows tube 10 and an outer Bellows tube 11, between which radial spacers 12 (Fig. 2) are arranged around the two bellows tubes or hoses 10 and 11 in a concentric arrangement. and essentially constant radial distance to hold to each other.

    Während im inneren Faltenbalgrohr 10 das Abgas strömt, dient der Mantelraum 13 zwischen dem inneren Faltenbalgrohr 10 und dem äußeren Faltenbalgrohr 11 als Zuführkanal für die Frischluft zum Brenngerät 1.While the exhaust gas flows in the inner bellows tube 10, serves the jacket space 13 between the inner bellows tube 10 and the outer bellows tube 11 as a feed channel for the fresh air to the burner 1.

    Wie in Fig. 3 dargestellt, weist jede der beiden Faltenbalgrohre 10, 11 einen flexiblen Faltenbalgabschnitt 14 auf, der im wesentlichen aus flexibel miteinander verbundenen konischen Balgringen 15 aus Kunststoff besteht. Jeder Balgring 15 bildet ein bistabiles elastisches Element. Benachbarte Balgringe 15 können daher entweder in einem im wesentlichen vorgegebenen Winkel zueinander angeordnet sein, wie dies in Fig. 3 in einem Bereich 16 dargestellt ist, wobei die Balgringe 15 einen elastischen Faltenbalg bilden, oder die Balgringe können im wesentlichen flach aufeinander liegen und in einem Abschnitt 17 einen axial im wesentlichen starren Block bilden. Die wirksame Länge des Faltenbalgrohrs 10 bzw. 11 kann bei der Montage in sehr einfacher Weise dadurch bestimmt werden, dass in axialer Richtung eine Zugkraft oder Druckkraft auf den Faltenbalgkompensator 11 ausgeübt wird, so dass ein mehr oder weniger großer Anteil seiner Balgringe 15 aus der Faltenbalganordnung wie im Bereich 16 in die Blockanordnung wie im Bereich 17 und umgekehrt übergeht. Das Faltenbalgrohr 10 bzw. 11 ist in jeder der gewählten Längen im wesentlichen stabil, läßt jedoch eine axiale Längenänderung durch elastische Verformungen zu.As shown in Fig. 3, each of the two Bellows tubes 10, 11 a flexible bellows section 14, which is essentially flexible with each other connected conical bellows rings 15 is made of plastic. Each bellows ring 15 forms a bistable elastic Element. Adjacent bellows rings 15 can therefore either in an essentially predetermined angle to each other be arranged, as in FIG. 3 in an area 16 is shown, the bellows rings 15 an elastic Form bellows, or the bellows rings can lie essentially flat on top of each other and in one Section 17 an axially substantially rigid block form. The effective length of the bellows tube 10 or 11 can be done in a very simple way during assembly be determined that a tensile force in the axial direction or pressure force exerted on the bellows compensator 11 will, so a more or less large part of its Bellows rings 15 from the bellows arrangement as in area 16 in the block arrangement as in area 17 and vice versa transforms. The bellows tube 10 or 11 is in each of the Chosen lengths essentially stable, but leaves one axial length change due to elastic deformations.

    Claims (3)

    Doppelwandige Anschlussleitung zur Verbindung eines Brenngeräts mit einer in einem Gebäude verlegten doppelwandigen Abgasleitung, dadurch gekennzeichnet, dass die Anschlussleitung (9) zwei im wesentlichen konzentrisch zueinander verlaufende flexible Faltenbalgrohre (10, 11) aufweist, zwischen denen radiale Abstandshalter (12) angeordnet sind, und dass die Faltenbalgrohre (10, 11) bistabile Abschnitte aufweisen.Double-walled connection line for connecting a combustion device to a double-walled flue gas line installed in a building, characterized in that the connection line (9) has two flexible bellows tubes (10, 11) which run essentially concentrically to one another, between which radial spacers (12) are arranged, and that the bellows tubes (10, 11) have bistable sections. Doppelwandige Anschlussleitung nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Faltenbalgrohre (10, 11) jeweils aus flexibel miteinander verbundenen konischen Balgringen (15) bestehen.Double-walled connecting line according to claim 1, characterized in that the two bellows tubes (10, 11) each consist of flexibly connected conical bellows rings (15). Doppelwandige Anschlussleitung nach Anspruch 2, dadurch gekennzeichnet, dass jeder Balgring (15) ein bistabiles elastisches Element bildet.Double-walled connecting line according to claim 2, characterized in that each bellows ring (15) forms a bistable elastic element.
    EP01126987A 2001-01-26 2001-11-14 Double-walled connection pipe Expired - Lifetime EP1227276B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10103383A DE10103383C5 (en) 2001-01-26 2001-01-26 Double-walled connecting cable
    DE10103383 2001-01-26

    Publications (3)

    Publication Number Publication Date
    EP1227276A2 true EP1227276A2 (en) 2002-07-31
    EP1227276A3 EP1227276A3 (en) 2003-05-07
    EP1227276B1 EP1227276B1 (en) 2006-09-13

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    EP01126987A Expired - Lifetime EP1227276B1 (en) 2001-01-26 2001-11-14 Double-walled connection pipe

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    EP (1) EP1227276B1 (en)
    AT (1) ATE339652T1 (en)
    DE (2) DE10103383C5 (en)

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    WO2007006278A1 (en) * 2005-07-08 2007-01-18 Webasto Ag Motor vehicle heating system and exhaust line leadthrough
    DE102018120396A1 (en) * 2018-08-21 2020-02-27 Truma Gerätetechnik GmbH & Co. KG End-side pipe arrangement for a heater of a habitable vehicle

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    DE19802417C1 (en) 1998-01-23 1999-05-12 Centrotherm Abgastechnik Gmbh Structural set for air-exhaust gas conduit
    WO1999056049A1 (en) 1998-04-29 1999-11-04 Chemspeed Ltd. Plastic pipe

    Cited By (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2007006278A1 (en) * 2005-07-08 2007-01-18 Webasto Ag Motor vehicle heating system and exhaust line leadthrough
    DE102018120396A1 (en) * 2018-08-21 2020-02-27 Truma Gerätetechnik GmbH & Co. KG End-side pipe arrangement for a heater of a habitable vehicle
    WO2020038921A1 (en) 2018-08-21 2020-02-27 Truma Gerätetechnik GmbH & Co. KG End line assembly for a heating device of a vehicle fit for habitation
    CN112638673A (en) * 2018-08-21 2021-04-09 特鲁玛杰拉特技术有限公司 Terminal duct arrangement for a heater of a habitable vehicle
    AU2019323649B2 (en) * 2018-08-21 2021-09-30 Truma Gerätetechnik GmbH & Co. KG End line assembly for a heating device of a vehicle fit for habitation

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    DE50111001D1 (en) 2006-10-26
    ATE339652T1 (en) 2006-10-15
    EP1227276A3 (en) 2003-05-07
    DE10103383C1 (en) 2002-07-25
    DE10103383C5 (en) 2005-07-21
    EP1227276B1 (en) 2006-09-13

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