EP3171082B1 - Abluftrohranordnung und gasgerätesystem damit - Google Patents

Abluftrohranordnung und gasgerätesystem damit Download PDF

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Publication number
EP3171082B1
EP3171082B1 EP16196500.9A EP16196500A EP3171082B1 EP 3171082 B1 EP3171082 B1 EP 3171082B1 EP 16196500 A EP16196500 A EP 16196500A EP 3171082 B1 EP3171082 B1 EP 3171082B1
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EP
European Patent Office
Prior art keywords
pipe
flue
electrical conductor
end portion
pipe section
Prior art date
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Active
Application number
EP16196500.9A
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English (en)
French (fr)
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EP3171082A1 (de
Inventor
Minyong Shu
Xianshan Han
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.)
Vaillant Wuxi Heating Equipment Co Ltd
Vaillant GmbH
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Vaillant Wuxi Heating Equipment Co Ltd
Vaillant GmbH
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Publication of EP3171082A1 publication Critical patent/EP3171082A1/de
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Classifications

    • 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 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues 
    • 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
    • F23J2213/202—Joints; Connections between duct or stack sections
    • 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
    • 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
    • F23J2213/70—Safety arrangements

Definitions

  • the present invention relates to fields of domestic gas appliances, and particularly relates to flue pipes for domestic gas appliances and a gas appliance system including the flue pipes.
  • Domestic gas appliances generally include gas water heaters, gas boilers, gas stoves and so on.
  • a domestic gas appliance typically has a flue hood and a number of flue pipes connected with the flue hood for collecting combustion products (containing carbon monoxide and nitrogen oxides) of the gas appliance and exhausting them outside.
  • the flue pipes generally includes a number of pipe sections connected in series, and these pipe sections are produced in accordance with appropriate safety standards by recognized suppliers and properly assembled in users' home according to corresponding specifications.
  • dealers may adopt non-standard pipes or hire workers without professional training to assemble the pipes, which may result in instability of the pipe connection and cause risks of gas leakage.
  • the Chinese patent application discloses the conception that the electrical conductors can be used to provide a prompt feedback once a connection problem exists between the pipe sections. Nevertheless, the above solution does not provide reliable mechanical and electrical connection means between the pipe sections.
  • flue pipes are generally designed according to certain standard and each has a fixed length, thus on installation, the flue pipe assembly consists of a number of flue pipes chosen according to users' actual situation to form an appropriate overall length of the pipe assembly.
  • flue pipe assembly consists of a number of flue pipes chosen according to users' actual situation to form an appropriate overall length of the pipe assembly.
  • a flue pipe assembly having the features specified in the preamble of claim 1 is disclosed in JP 2011 149597 A .
  • a flue pipe assembly for a gas appliance including at least a first pipe section and a second pipe section, and a first electrical conductor and a second electrical conductor attached to the first and the second pipe sections respectively.
  • the first electrical conductor is electrically connected with the second electrical conductor via an electrical connector assembly when the first pipe section is assembled with the second pipe section in a longitudinal direction, wherein the first and the second pipe sections are movably connected in the longitudinal direction and configured to adjust the total length of the flue pipe assembly.
  • the first and said second pipe sections have a first connection position and a second connection position along the longitudinal direction; wherein in the first connection position, the first electrical conductor and the second electrical conductor are connected loosely, and in the second connection position, the first electrical conductor and the second electrical conductor are connected in a tensional state.
  • the first and the second pipe sections respectively have a first end portion and a second end portion adjacent with each other; wherein the diameter of the first end portion is slightly smaller than that of the second end portion, thereby the second end portion being able to surround over the first end portion and allow the first end portion to move in the longitudinal direction with respect to the second end portion.
  • the first pipe section is provided with a shoulder formed adjacent to the first end portion and has an increased diameter with respect to the first end portion; wherein in the first connection position, the shoulder of the first pipe section abuts against the distal end of the second end portion of the second pipe section.
  • the electrical connector assembly includes a male connector connected with the first electrical conductor and a female connector connected with the second electrical conductor.
  • the male and the female connectors are provided with latching members to engage with corresponding parts of the female connector and the male connector respectively to establish a firm connection between the male and the female connectors.
  • the first and the second pipe section each has a groove longitudinally extending in an outer wall of the pipe section, and the first or the second electrical conductor is partially received in the groove, and the male and female connectors are respectively connected with parts of the first and the second electrical conductor disposed out of the groove.
  • the flue pipe assembly further includes a restriction member, and the restriction member fastens the electrical conductors in the groove along a cross-sectional direction perpendicular to the longitudinal direction.
  • the first and the second pipe sections each has an annular slot circumferentially defined in the outer wall thereof, and the restriction member is received in the annular slot to press the first or the second electrical conductor passing through the annular slot.
  • a gas appliance system including a flue pipe assembly aforementioned and a gas appliance including a burner and a flue hood for collecting combustion products produced by the burner.
  • the flue hood is connected with the flue pipe assembly to discharge the combustion products.
  • the invention has the advantages that, the total length of the flue pipes can be adjusted by employing the first and the second pipe sections that are movably connected; in addition, the connected electrical conductors of the first and the second pipe sections can be stretched to adapt the adjustment of the length of the flue pipes.
  • Gas appliances could be fired with combustible gas, such as natural gas, city gas, liquefied petroleum gas, methane, etc., thereby supplying thermal energy for domestic usages.
  • combustible gas such as natural gas, city gas, liquefied petroleum gas, methane, etc.
  • gas water heaters for supplying hot water
  • gas boilers for supplying hot water and room heating
  • gas stoves for cooking.
  • a gas water heater will be exemplified hereinafter for illustrating the flue pipe assembly of present invention.
  • a gas water heater 80 can be connected with a flue pipe assembly composed of a number of pipe sections to exhaust combustion products, or can be connected with an elbow pipe to exhaust combustion products, which depends on the position for installing the gas water heater in a room and layout of the room.
  • the gas water heater may include a housing, a gas burner, a heat exchanger, a flue hood, and an air supply fan. Heat generated by the gas burner passes through the heat exchanger and is absorbed by cold water flowing through the heat exchanger. The combustion products are driven by the fan and collected by the flue hood, and further discharged outside via the flue pipe assembly which is connected with the flue hood.
  • As the configurations of gas water heaters are well known in the art, a detailed explanation is omitted for sake of brevity.
  • the pipe section can be a straight pipe, such as the pipe sections labeled in 11, 12, 13, can also be an elbow pipe, like the pipe section labeled in 14.
  • the pipe section can be an intermediate pipe, such as the pipe sections labeled in 11, 12, 14, can also be an end pipe extending through a wall 90, like the pipe section labeled in 13.
  • Each intermediate pipe section has the same structure, and it has two opposite end portions with complementary configuration, in this way, two adjacent pipe sections can be connected fluently.
  • Each intermediate pipe section 11, 12, 14 has a longitudinally extending slot defined in an outer wall thereof, and an electrical conductor 41 is received in the slot.
  • the electrical conductor is a cable including two electrical wires 411, 412, and a conductor base 511 is embedded in the outer wall at each end portion of the intermediate pipe section 11, 12, 14.
  • the two electrical wires 411, 412 extend into the conductor base 511 and are respectively electrically connected with two conductive pads 5111, 5112 disposed on an upper surface of each conductor base.
  • Fig. 2 through Fig. 5 show a first pipe section 11 and a second pipe section 12 which are positioned adjacent to each other and mechanically and electrically connected via a first pipe connection mechanism.
  • the adjacent end portions of the first and the second pipe sections 11, 12 are provided with guiding post 112 and guiding groove 122 respectively, so that the two adjacent pipe sections can be connected fluently.
  • the end portion of the second pipe section 12 encircles the end portion of the first pipe section 11.
  • the end portion of the second pipe section 12 circumferentially defines a receiving groove in an inner wall thereof, and a sealing member 101 is received in this receiving groove. In this way, the first and the second pipe sections 11, 12 are sealed at the connection therebetween.
  • the sealing member 101 is a sealing ring made of rubber material. It would be apparent to those skilled in the art that, in other embodiments, the guiding post and the guiding groove can change positions to each other, and the sealing member can also be disposed on the outer wall of the end portion of the first pipe section 11. In this embodiment, the first and the second pipe section 11, 12 are formed with positioning posts 111, 121 respectively on the outer wall of end portions thereof.
  • the pipe connection mechanism includes a fixed connection device for realization of a reliable mechanical connection between the first and the second pipe sections 11, 12.
  • the fixed connection device includes a connecting ring 21.
  • This connecting ring 21 has a terminal receiving chamber 211, positioning holes 212, and mounting holes 213.
  • the pipe connection mechanism further includes electrical terminals 512 fixed on the connecting ring 21 for establishing an electrical connection between a first electrical conductor of the first pipe section 11 and a second electrical conductor of the second pipe section 12.
  • the electrical terminals include two terminals (only one is shown in Fig. 5 ) both received in the terminal receiving chamber 211.
  • Each electrical terminal 512 has a terminal body and an elastic contacting arm 5121.
  • the terminal body is fixed in the terminal receiving chamber 211 with an insulative layer formed between the electrical terminal 512 and an inner wall of the terminal receiving chamber 211 to avoid an electrical conduction between the electrical terminals 512 and the connecting ring 21.
  • the connecting ring 21 covers the adjacent end portions of the first and the second pipe sections 11, 12, and the connecting ring 21 is fixed to the first and the second pipe sections 11, 12 via the engagement of the positioning posts 111, 121 and the positioning holes 212.
  • Fastening members (not shown), such as bolts can extend through the mounting holes to fasten the connecting ring 21 to the pipe sections and forming a solid connection between the first and the second pipe sections 11, 12.
  • the two elastic contacting arms 5121 of the electrical terminals 512 contact against the conductive pads 5111, 5112 of the conductor bases of the first and the second pipe sections 11, 12 respectively, thereby realizing the electrical connection of the first and the second electrical conductors.
  • the mechanical connection between adjacent pipe sections becomes stable and reliable by introducing the pipe connection mechanism, which can reduce the case of disconnection of pipe sections. Even if a disconnection of pipe sections happens or the installing of the flue pipe assembly does not meet the requirements, as a result, the electrical conductors connected in series are broken, then a controller of the gas water heater can sense it and take actions accordingly, such as stop running of the gas water heater to avoid leakage of flue gas.
  • a third pipe section namely an end pipe section 13 extends through a wall and secures to the wall via a wall mounting mechanism.
  • the end pipe section 13 has one end located inside the room and mechanically, electrically connected with an adjacent intermediate pipe section 12 via the pipe connection mechanism as described above.
  • the wall mounting mechanism includes a mounting flange 31 with a central through hole for being passed through by the end pipe section 13.
  • the through hole has a size substantially same as that of a cross section of the end pipe section 13. In this way, in case there is a reverse wind outside, the flue gas discharged outside would not return inner of the room via the gap between the end pipe section and the wall.
  • the mounting flange 31 defines a circular groove at a surface thereof facing the wall for receiving a sealing element 311.
  • the sealing element is a sealing ring made of rubber material.
  • the mounting flange 31 defines mounting holes 313, and fastening members, such as bolts extend through the mounting holes 313 to fasten the mounting flange 31 onto the wall.
  • a switch 61 is disposed at the surface of the mounting flange 31 facing to the wall, and the switch 61 is connected with a third electrical conductor of the end pipe section 13 in series.
  • the switch 41 can be a pressing switch, a reed switch, or other contact switch, can also be a proximity switch, a photoelectric switch, or other non-contact switches.
  • the switch 61 is turned on, and at the same time, an electric current is generated and passes through the parallel wires 411, 412 of the electrical conductor 41 in reverse directions.
  • the end pipe section can be secured to the wall via the wall mounting mechanism, which can reduce the case of disconnection of pipe sections.
  • the controller of the gas water heater can sense it and take actions accordingly, such as stop running of the gas water heater to avoid leakage of flue gas.
  • Fig. 8 through Fig. 10 show a flue pipe assembly in accordance with a second embodiment of present invention.
  • the connecting ring includes a first portion 221 and a second portion 222.
  • the first and the second portions 221, 222 are separate and fixed to adjacent end portions of the first and the second pipe sections 11, 12 respectively via bolts.
  • the first and the second portions 221, 222 are respectively provided with terminal bases 521, 522.
  • the electrical terminals include a female terminal (not shown) retained in the terminal base 521 and electrically connected to the first electrical conductor 42, and a male terminal 5221 retained in the terminal base 522 and electrically connected to the second electrical conductor 42.
  • Each electrical conductor includes two wires 421.
  • the male terminal 5221 electrically contacts the female terminal, and the first portion 221 and the second portion 222 are fastened together via bolts.
  • a dust-proof cover 223 covers the terminal bases 521, 522 after assembling.
  • a sealing member 102 is provided between the first and the second pipe section 11, 12 to ensure a sealing connection therebetween.
  • Figs. 11 and 12 show a third embodiment of the flue pipe assembly.
  • the electrical conductor 41 includes only one electrical wire
  • the pipe sections are made of metallic material to perform as the other electrical wire as disclosed in aforementioned embodiments.
  • the fixed connection device includes at least two latching members 231, 232, and these two latching members are both disposed at one end portion of a pipe section.
  • the two latching members 231, 232 each latches adjacent end portions of the first and the second pipe sections 11, 12, thereby achieving a reliable mechanical connection between the pipe sections.
  • the latching members 231, 232 also act as terminals to establish an electrical connection between the electrical conductors of the pipe sections.
  • One latching member 231 is located adjacent to the electrical conductor 43, and it has a different design with respect to the other latching member 232.
  • the latching members have different structures, different size, or different colors. In this way, when connecting two pipe sections, the electrical conductors of the two pipe sections can be connected without mistakes.
  • a sealing member 103 is provided between the first and the second pipe section 11, 12 to ensure a sealing connection therebetween.
  • Figs. 13 and 14 show a fourth embodiment of the flue pipe assembly.
  • the wall mounting mechanism includes a mounting flange 321 and a retaining device.
  • the retaining device includes a restricting member 322 encircling the end pipe section 13, an additional flange 323 having a central hole for being passed through by the end pipe section 13, and a circular wedge-shaped piece 324.
  • the mounting flange 321 and the additional mounting flange 323 are located at opposite sides of the wall 90.
  • the mounting flange 321 has one side opposite to the wall 90 abuts against the restricting member 322, and the additional mounting flange 323 has one side opposite to the wall 90 is abut against by the wedge-shaped piece 324.
  • the end pipe section 13 can be secured to the wall 90 reliably.
  • a switch 62 and a sealing member 325 are disposed between the mounting flange 321 and the wall 90.
  • Fig. 15 and Figs. 16A-16C show a fifth embodiment of the flue pipe assembly.
  • the wall mounting mechanism includes a mounting flange 331 and a retaining device.
  • the retaining device includes two restricting devices 332 and a circular wedge-shaped piece 333.
  • Each restricting device 332 includes a first arm 3321 and an second arm 3322 forming an angle therebetween, and an torsion springs 3323 engaged with the first and the second arms 3321, 3322.
  • the first and the second arms 3321, 3322 is able to together rotate on a pivot which is encircled by the torsion spring 3323.
  • the first arm 3321 is shorter than the second arm 3322.
  • the switch 63 is provided on the end pipe section 13 and engageable with the first arm 3321.
  • the first arm 3321 and the second arm 3322 each has a distal end lift up above the end pipe section 13 in a natural state.
  • the second arm 3322 is pressed by the wall and return to its natural state after lost of interference with the wall.
  • the mounting flange 331 and the wedge-shaped piece 333 are disposed at one side of the wall 90 opposite to the other side where the restricting device 332 positions.
  • the mounting flange 331 is abut against by the wedge-shaped piece 333 at its one side, and the mounting flange 331 abuts against the wall 90 at its the other side.
  • the second arm 3322 is forced to abut against the wall, and the second arm 3321 pressed the switch to activate it on.
  • a sealing member 334 is disposed between the mounting flange 331 and the wall 90.
  • Fig. 17 shows a sixth embodiment of the flue pipe assembly.
  • the first and the second pipe sections 11, 12 each has a groove longitudinally extending in the outer wall thereof, and each conductor has a first portion 415 received in the longitudinal groove and a second portion 416 extending out of the groove.
  • a male connector 523 is connected to a distal end of the first electrical conductor of the first pipe section 11, and a female connector 524 is connected to a distal end of the second electrical conductor of the second pipe section 12.
  • a pair of side latching member 5231 and a top latching member 5241 are formed on the male connector 523 and the female connector 524 respectively.
  • the male connector 523 mates with the female connector 524 to electrically connect the conductors of the first and the second pipe sections 11, 12, the side latching member 5231 of the male connector 523 and the top latching member 5241 of the female connector 524 engage with corresponding parts of the female connector 524 and the male connector respectively to establish a firm connection between the male and female connectors 523, 524.
  • the first and the second pipe sections 11, 12 each defines an annular slot 115, 125 circumferentially recessed in the outer wall thereof.
  • a pair of restriction member 72 is received in the annular slots 115, 125 respectively.
  • the restriction member 72 is provided with at least a projection 721 defining a notch for being extended through by the first portion 415 of the conductor.
  • the notch has a size smaller than the cross-sectional dimension of the conductor so that the restriction member 72 can press against the first portion 415 of the conductor in the cross-sectional direction to securely fasten it in the groove of the pipe section.
  • the first and the second pipe sections 11, 12 respectively have a first end portion 116 and a second end portion 126 adjacent with each other.
  • the diameter of the first end portion 116 is slightly smaller than that of the second end portion 126, by this means, the second end portion 126 is able to surround over the first end portion 116 and allow the first end portion 116 to move in the longitudinal direction with respect to the second end portion 126.
  • the first pipe section is provided with a shoulder 117 formed adjacent to the first end portion 116 and has an increased diameter with respect to the first end portion 116.
  • Fig. 18A and Fig. 18B respectively shows a first connection position and a second connection position of the first and the second pipe sections 11, 12 movably connected in the longitudinal direction.
  • Fig. 18A in conjunction with Fig. 17 , at the first connection position, the shoulder 117 of the first pipe section 11 abuts against the distal end of the second end portion 126 of the second pipe section 12, meanwhile, the conductors disposed out of the grooves are connected loosely, in other words, the connected conductors disposed between the first annual slot 115 and the second annual slot 125 have a line length larger than the distance between the first and the second annual slots 115, 125.
  • Fig. 18A in conjunction with Fig. 17 , at the first connection position, the shoulder 117 of the first pipe section 11 abuts against the distal end of the second end portion 126 of the second pipe section 12, meanwhile, the conductors disposed out of the grooves are connected loosely, in other words, the connected conductors disposed between the first annual slot
  • the second end portion 127 has a circumferential bump 127 formed on the side wall thereof, and a ring gasket made of elastic material (such as rubber) is received in the bump 127.
  • the ring gasket is able to be full of cross-sectional gaps defined between the first and the end portions 116, 126 to avoid a gas leak therebetween.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Claims (9)

  1. Abgasrohranordnung für ein Gasgerät, umfassend mindestens einen ersten Rohrabschnitt (11) und einen zweiten Rohrabschnitt (12) sowie einen ersten elektrischen Leiter (41) und einen zweiten elektrischen Leiter (41), die an dem ersten bzw. dem zweiten Rohrabschnitt angebracht sind; wobei der erste elektrische Leiter mit dem zweiten elektrischen Leiter über eine elektrische Verbinderanordnung (523, 524) elektrisch verbunden ist, wenn der erste Rohrabschnitt mit dem zweiten Rohrabschnitt in einer Längsrichtung zusammengesetzt ist;
    wobei der erste und der zweite Rohrabschnitt in Längsrichtung beweglich verbunden sind und konfiguriert sind, um die Gesamtlänge der Abgasrohranordnung einzustellen;
    dadurch gekennzeichnet, dass der erste und der zweite Rohrabschnitt eine erste Verbindungsposition und eine zweite Verbindungsposition entlang der Längsrichtung aufweisen; wobei in der ersten Verbindungsposition der erste elektrische Leiter und der zweite elektrische Leiter lose verbunden sind, und in der zweiten Verbindungsposition der erste elektrische Leiter und der zweite elektrische Leiter in einem gespannten Zustand verbunden sind.
  2. Abgasrohranordnung nach Anspruch 1, dadurch gekennzeichnet, dass der erste und der zweite Rohrabschnitt (11, 12) einen ersten Endabschnitt (116) bzw. einen zweiten Endabschnitt (126) aufweisen, die aneinander angrenzen; wobei der Durchmesser des ersten Endabschnitts geringfügig kleiner ist als der des zweiten Endabschnitts, wodurch der zweite Endabschnitt in der Lage ist, den ersten Endabschnitt zu umschließen und es dem ersten Endabschnitt zu ermöglichen, sich in der Längsrichtung in Bezug auf den zweiten Endabschnitt zu bewegen.
  3. Abgasrohranordnung nach Anspruch 2, dadurch gekennzeichnet, dass der erste Rohrabschnitt mit einer Schulter (117) bereitgestellt ist, die angrenzend an den ersten Endabschnitt ausgebildet ist und einen vergrößerten Durchmesser in Bezug auf den ersten Endabschnitt aufweist; wobei in der ersten Verbindungsposition die Schulter des ersten Rohrabschnitts an dem distalen Ende des zweiten Endabschnitts des zweiten Rohrabschnitts anliegt.
  4. Abgasrohranordnung nach Anspruch 1, dadurch gekennzeichnet, dass die elektrische Verbinderanordnung einen männlichen Verbinder (523), der mit dem ersten elektrischen Leiter verbunden ist, und einen weiblichen Verbinder (524), der mit dem zweiten elektrischen Leiter verbunden ist, umfasst.
  5. Abgasrohranordnung nach Anspruch 4, dadurch gekennzeichnet, dass der männliche und der weibliche Verbinder mit Verriegelungselementen (5231, 5241) bereitgestellt sind, um mit entsprechenden Teilen des weiblichen Verbinders bzw. des männlichen Verbinders in Eingriff zu kommen, um eine feste Verbindung zwischen dem männlichen und dem weiblichen Verbinder herzustellen.
  6. Abgasrohranordnung nach Anspruch 4, dadurch gekennzeichnet, dass der erste und der zweite Rohrabschnitt jeweils eine Nut aufweisen, die sich in Längsrichtung in einer Außenwand des Rohrabschnitts erstreckt, und der erste oder der zweite elektrische Leiter teilweise in der Nut aufgenommen ist, und die männlichen und weiblichen Verbinder mit Teilen des ersten bzw. des zweiten elektrischen Leiters verbunden sind, die außerhalb der Nut angeordnet sind.
  7. Abgasrohranordnung nach Anspruch 6, dadurch gekennzeichnet, dass die Abgasrohranordnung weiter ein Begrenzungselement (72) umfasst, und das Begrenzungselement die elektrischen Leiter in der Nut entlang einer Querschnittsrichtung senkrecht zur Längsrichtung befestigt.
  8. Abgasrohranordnung nach Anspruch 7, dadurch gekennzeichnet, dass der erste und der zweite Rohrabschnitt jeweils einen ringförmigen Schlitz (115, 125) aufweisen, der in der Außenwand desselben in Umfangsrichtung definiert ist, und dass das Begrenzungselement in dem ringförmigen Schlitz aufgenommen ist, um den ersten oder den zweiten elektrischen Leiter, der durch den ringförmigen Schlitz verläuft, zu pressen.
  9. Gasgerätesystem, umfassend:
    eine Abgasrohranordnung nach einem der vorstehenden Ansprüche; und
    ein Gasgerät, das einen Brenner und eine Abgasabzugshaube zum Sammeln von durch den Brenner erzeugten Verbrennungsprodukten umfasst, wobei die Abzugshaube mit der Abgasrohranordnung verbunden ist, um die Verbrennungsprodukte abzuleiten.
EP16196500.9A 2015-11-20 2016-10-31 Abluftrohranordnung und gasgerätesystem damit Active EP3171082B1 (de)

Applications Claiming Priority (1)

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CN201510843409.4A CN105387477B (zh) 2015-11-20 2015-11-20 排烟管组件及采用该组件的燃气设备系统

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EP3171082A1 EP3171082A1 (de) 2017-05-24
EP3171082B1 true EP3171082B1 (de) 2021-08-11

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CN104501190B (zh) * 2014-12-02 2017-04-26 威能(无锡)供热设备有限公司 安装于墙体的排烟管组件
CN104501191B (zh) * 2014-12-02 2017-02-01 威能(无锡)供热设备有限公司 用于燃气设备的排烟管组件
CN104595917A (zh) * 2014-12-31 2015-05-06 威能(无锡)供热设备有限公司 排烟管及其与燃气设备的组件

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CN105387477B (zh) 2018-05-15
CN105387477A (zh) 2016-03-09
EP3171082A1 (de) 2017-05-24
ES2891790T3 (es) 2022-01-31

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