US20070243496A1 - Mixing Device for Mixing Gas and Combustion Air For a Gas Burner and Gas Burner - Google Patents

Mixing Device for Mixing Gas and Combustion Air For a Gas Burner and Gas Burner Download PDF

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Publication number
US20070243496A1
US20070243496A1 US10/597,927 US59792705A US2007243496A1 US 20070243496 A1 US20070243496 A1 US 20070243496A1 US 59792705 A US59792705 A US 59792705A US 2007243496 A1 US2007243496 A1 US 2007243496A1
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United States
Prior art keywords
gas
monolithic unit
mixing device
combustion air
blower
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Abandoned
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US10/597,927
Inventor
Roelof Thiewes
Gerrit Baarda
Tieme De Jonge
Enno Vrolijk
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Garrett Motion SARL
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Honeywell Technologies SARL
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Publication date
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Assigned to HONEYWELL TECHNOLOGIES SARL reassignment HONEYWELL TECHNOLOGIES SARL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAARDA, GERRIT JAN, VROLIJK, ENNO, DE JONGE, TIEME, THIEWES, ROELOF
Publication of US20070243496A1 publication Critical patent/US20070243496A1/en
Abandoned legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2212/00—Burner material specifications

Definitions

  • the invention relates to a mixing device for mixing gas and combustion air for a gas burner according to the precharacterizing clause of claim 1 .
  • the invention also relates to a gas burner according to the precharacterizing clause of claim 13 .
  • DE 197 29 047 C1 discloses a mixing device for a gas burner for producing a mixture of gas and combustion air which has a housing and a separately formed venturi nozzle.
  • the mixing device according to the prior art is accordingly formed at least in two parts, the venturi nozzle and the housing being configured as separate subassemblies.
  • the housing of the mixing device is in this case formed from a metallic material and the venturi nozzle is formed from a plastic.
  • the venturi nozzle and the housing of the mixing device are fastened separately from each other on a supporting plate of a blower.
  • the multipart configuration of the mixing device has the effect of increasing the effort involved in assembly and production and also the production costs.
  • the present invention is based on the problem of providing a novel mixing device for mixing gas and combustion air for a gas burner and of providing a novel gas burner.
  • the venturi nozzle is integrated in the housing in such a way that the housing and the venturi nozzle are formed as a monolithic unit.
  • the monolithic unit comprising the housing and the venturi nozzle is preferably formed from plastic.
  • the venturi nozzle is integrated in the housing of the mixing device in such a way that the housing and the venturi nozzle are formed as a monolithic unit.
  • the venturi nozzle is accordingly an integral part of the housing of the mixing device.
  • the monolithic unit formed from plastic and comprising the housing and the venturi nozzle, is fastened on a metallic supporting plate of the housing by means of a bayonet closure.
  • a gas regulating device acting on the monolithic unit comprising the housing and the venturi nozzle is a gas regulating device, a gas outlet stub of the gas regulating device being insertable into a corresponding recess in the monolithic unit.
  • the gas regulating device is fastened to the monolithic unit comprising the housing and the venturi nozzle by means of a snap closure.
  • the gas burner according to the invention is defined in claim 13 .
  • FIG. 1 shows a mixing device according to the invention for mixing gas and combustion air for a gas burner together with a gas regulating device and a mounting plate of a blower, in cross section;
  • FIG. 2 shows the mixing device according to the invention for mixing gas and combustion air for a gas burner, in a view turned through 90° out of the plane of the drawing according to FIG. 1 , but without the gas regulating device.
  • FIGS. 1 and 2 The present invention is described below in greater detail with reference to FIGS. 1 and 2 .
  • FIG. 1 shows a mixing device 10 according to the invention in cross section, not only the mixing device 10 according to the invention but also a gas regulating device 11 and a supporting plate 12 of a blower being represented in FIG. 1 .
  • a housing and a venturi nozzle of the mixing device 10 are formed as an integral, and consequently monolithic, unit.
  • the housing of the mixing device 10 is illustrated in FIG. 1 by a reference numeral 13 , the venturi nozzle by a reference numeral 14 .
  • the monolithic unit comprising the housing 13 and the venturi nozzle 14 forms a flow duct for gas and combustion air.
  • combustion air can be sucked in.
  • the blower with the supporting plate 12 acts, and provides a suction pressure to suck in the mixture of gas and combustion air at the outlet opening 16 .
  • a recess in which a gas outlet stub 17 of the gas regulating device 11 engages is provided in the housing 13 of the mixing device 10 , in a portion between the inlet opening 15 and the outlet opening 16 .
  • This recess is extended in length by a gas-routing duct 18 , which opens out into the flow duct extending between the inlet opening 15 and the outlet opening 16 , and therefore introduces the fuel gas through an opening which opens out radially into the flow duct.
  • the monolithic unit comprising the housing 13 and the venturi nozzle 14 is formed from a plastic.
  • the monolithic unit formed from plastic and comprising the housing 13 and the venturi nozzle 14 is fastened on the metallic supporting plate 12 of the blower, to be precise in accordance with the present invention by means of a quick-acting closure formed as a bayonet closure 19 .
  • a quick-acting closure formed as a bayonet closure 19 .
  • recesses 20 into which correspondingly shaped projections or lugs 21 of the housing 13 of the mixing device 10 can be introduced are provided in the supporting plate 12 .
  • the projections 21 are in this case assigned to the end on the outlet side of the monolithic unit comprising the housing 13 and the venturi nozzle 14 .
  • the projections 21 After the projections 21 have been introduced into the recesses 20 of the supporting plate 12 and after the monolithic unit and the supporting plate 12 have been turned in relation to each other, the projections 21 secure the mixing device 10 in its position on the supporting plate 12 of the blower.
  • the bayonet closure 19 accordingly serves for the quick, releasable fastening of the mixing device 10 on the supporting plate 12 of the blower. The fastening can take place without any additional auxiliary means.
  • the connection between the mixing device 10 and the blower is accordingly reversible and can be released again.
  • FIG. 1 reveals, the depth to which the end on the outlet side of the monolithic unit comprising the housing 13 and the venturi nozzle 14 can be pushed into the supporting plate 12 of the blower is limited by a stop 22 .
  • the stop 22 is assigned to the end on the outlet side of the housing 13 .
  • FIG. 1 also reveals, the fastening of the monolithic unit comprising the housing 13 and the venturi nozzle 14 on the supporting plate 12 of the blower is sealed by a sealing device 23 .
  • the sealing device 23 is configured as a so-called O-ring and ensures the integrity of the seal of the connection, even over a relatively long operating time, during which the mixing device 10 produced from plastic may undergo material changes or deformations.
  • the gas regulating device 11 is likewise fastened on the monolithic unit comprising the housing 13 and the venturi nozzle 14 by means of a quick-acting closure.
  • the gas regulating device 11 engages with the gas outlet stub 17 in the corresponding recess within the monolithic unit.
  • a securing clip 24 assigned to the monolithic unit, grips at least partially around the gas outlet stub 17 in the manner of a snap closure.
  • the connection of the gas regulating device 11 to the monolithic unit comprising the housing 13 and the venturi nozzle 14 can accordingly also take place without any auxiliary means.
  • the connection of the gas regulating device 11 and the monolithic unit can be released, and the gas regulating device 11 can be separated from the monolithic unit comprising the housing 13 and the venturi nozzle 14 or pulled out from it.
  • the fastening of the gas regulating device 11 on the monolithic unit comprising the housing 13 and the venturi nozzle 14 by means of the gas outlet stub 17 is also sealed by means of a sealing device 25 .
  • This sealing device 25 is also configured as a so-called O-ring and provides permanent sealing of the releasable connection between the gas regulating device 11 and the mixing device 10 .
  • a gas nozzle 26 is positioned in the region of the gas outlet stub 17 .
  • the gas nozzle 26 is configured as a separate component and protrudes into the gas outlet stub 17 .
  • a mixing device for a gas burner in which the venturi nozzle 14 is an integral part of the housing 13 is accordingly proposed.
  • the monolithic unit comprising the housing 13 and the venturi nozzle 14 is in this case preferably produced from a plastic.
  • a gas regulating device 11 engages with a gas outlet stub 17 in a recess of the mixing device 10 according to the invention, the connection of the gas regulating device 11 and the mixing device 10 , that is to say the monolithic unit comprising the housing 13 and the venturi nozzle 14 , taking place by means of a snap closure.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

The invention concerns a mixing device for mixing gas and combustion air for a gas burner. According to the invention, a mixture of gas and combustion air prepared in said mixing device (10) is sent to the gas burner through a blower, the mixing device (10) comprising a housing (13) and a venturi (14). The invention is characterized in that the venturi (14) is integrated in the housing (13) such that the housing (13) and the venturi (14) form a single block.

Description

  • The invention relates to a mixing device for mixing gas and combustion air for a gas burner according to the precharacterizing clause of claim 1. The invention also relates to a gas burner according to the precharacterizing clause of claim 13.
  • For mixing two gaseous media, in particular combustion air and fuel gas, for a burner, mixing devices with a venturi nozzle are used. For instance, DE 197 29 047 C1 discloses a mixing device for a gas burner for producing a mixture of gas and combustion air which has a housing and a separately formed venturi nozzle. The mixing device according to the prior art is accordingly formed at least in two parts, the venturi nozzle and the housing being configured as separate subassemblies. According to the prior art, the housing of the mixing device is in this case formed from a metallic material and the venturi nozzle is formed from a plastic. According to DE 197 29 047 C1, the venturi nozzle and the housing of the mixing device are fastened separately from each other on a supporting plate of a blower. The multipart configuration of the mixing device has the effect of increasing the effort involved in assembly and production and also the production costs.
  • Against this background, the present invention is based on the problem of providing a novel mixing device for mixing gas and combustion air for a gas burner and of providing a novel gas burner.
  • This problem is solved by a mixing device for mixing gas and combustion air for a gas burner with the features of claim 1. According to the invention, the venturi nozzle is integrated in the housing in such a way that the housing and the venturi nozzle are formed as a monolithic unit. The monolithic unit comprising the housing and the venturi nozzle is preferably formed from plastic.
  • In accordance with the present invention, it is proposed that the venturi nozzle is integrated in the housing of the mixing device in such a way that the housing and the venturi nozzle are formed as a monolithic unit. The venturi nozzle is accordingly an integral part of the housing of the mixing device. As a result, the number of subassemblies to be produced is reduced. This minimizes the effort involved in production and assembly and also the production costs.
  • According to a preferred development of the invention, the monolithic unit, formed from plastic and comprising the housing and the venturi nozzle, is fastened on a metallic supporting plate of the housing by means of a bayonet closure. Also acting on the monolithic unit comprising the housing and the venturi nozzle is a gas regulating device, a gas outlet stub of the gas regulating device being insertable into a corresponding recess in the monolithic unit. The gas regulating device is fastened to the monolithic unit comprising the housing and the venturi nozzle by means of a snap closure.
  • The gas burner according to the invention is defined in claim 13.
  • Preferred developments of the invention are provided by the subclaims and the description which follows. An exemplary embodiment of the invention is explained in more detail below on the basis of the drawing, without the invention being restricted to this embodiment. In the drawing:
  • FIG. 1 shows a mixing device according to the invention for mixing gas and combustion air for a gas burner together with a gas regulating device and a mounting plate of a blower, in cross section; and
  • FIG. 2 shows the mixing device according to the invention for mixing gas and combustion air for a gas burner, in a view turned through 90° out of the plane of the drawing according to FIG. 1, but without the gas regulating device.
  • The present invention is described below in greater detail with reference to FIGS. 1 and 2.
  • FIG. 1 shows a mixing device 10 according to the invention in cross section, not only the mixing device 10 according to the invention but also a gas regulating device 11 and a supporting plate 12 of a blower being represented in FIG. 1. In accordance with the present invention, a housing and a venturi nozzle of the mixing device 10 are formed as an integral, and consequently monolithic, unit. The housing of the mixing device 10 is illustrated in FIG. 1 by a reference numeral 13, the venturi nozzle by a reference numeral 14.
  • The monolithic unit comprising the housing 13 and the venturi nozzle 14 forms a flow duct for gas and combustion air. At an inlet opening 15 of this flow duct, combustion air can be sucked in. At an opposite outlet opening 16 of the flow duct, the blower with the supporting plate 12 acts, and provides a suction pressure to suck in the mixture of gas and combustion air at the outlet opening 16.
  • A recess in which a gas outlet stub 17 of the gas regulating device 11 engages is provided in the housing 13 of the mixing device 10, in a portion between the inlet opening 15 and the outlet opening 16. This recess is extended in length by a gas-routing duct 18, which opens out into the flow duct extending between the inlet opening 15 and the outlet opening 16, and therefore introduces the fuel gas through an opening which opens out radially into the flow duct.
  • In accordance with the present invention, the monolithic unit comprising the housing 13 and the venturi nozzle 14 is formed from a plastic. The monolithic unit formed from plastic and comprising the housing 13 and the venturi nozzle 14 is fastened on the metallic supporting plate 12 of the blower, to be precise in accordance with the present invention by means of a quick-acting closure formed as a bayonet closure 19. For this purpose, as FIG. 2 reveals, recesses 20 into which correspondingly shaped projections or lugs 21 of the housing 13 of the mixing device 10 can be introduced are provided in the supporting plate 12. The projections 21 are in this case assigned to the end on the outlet side of the monolithic unit comprising the housing 13 and the venturi nozzle 14. After the projections 21 have been introduced into the recesses 20 of the supporting plate 12 and after the monolithic unit and the supporting plate 12 have been turned in relation to each other, the projections 21 secure the mixing device 10 in its position on the supporting plate 12 of the blower. The bayonet closure 19 accordingly serves for the quick, releasable fastening of the mixing device 10 on the supporting plate 12 of the blower. The fastening can take place without any additional auxiliary means. The connection between the mixing device 10 and the blower is accordingly reversible and can be released again.
  • As FIG. 1 reveals, the depth to which the end on the outlet side of the monolithic unit comprising the housing 13 and the venturi nozzle 14 can be pushed into the supporting plate 12 of the blower is limited by a stop 22. In a way similar to the projections 21, the stop 22 is assigned to the end on the outlet side of the housing 13.
  • As FIG. 1 also reveals, the fastening of the monolithic unit comprising the housing 13 and the venturi nozzle 14 on the supporting plate 12 of the blower is sealed by a sealing device 23. The sealing device 23 is configured as a so-called O-ring and ensures the integrity of the seal of the connection, even over a relatively long operating time, during which the mixing device 10 produced from plastic may undergo material changes or deformations.
  • The gas regulating device 11 is likewise fastened on the monolithic unit comprising the housing 13 and the venturi nozzle 14 by means of a quick-acting closure. As already mentioned, for fastening the gas regulating device 11 on the monolithic unit, the gas regulating device 11 engages with the gas outlet stub 17 in the corresponding recess within the monolithic unit. After the gas outlet stub 17 has been introduced or inserted into this recess, a securing clip 24, assigned to the monolithic unit, grips at least partially around the gas outlet stub 17 in the manner of a snap closure. The connection of the gas regulating device 11 to the monolithic unit comprising the housing 13 and the venturi nozzle 14 can accordingly also take place without any auxiliary means. By pulling the securing clip 24 back or out, the connection of the gas regulating device 11 and the monolithic unit can be released, and the gas regulating device 11 can be separated from the monolithic unit comprising the housing 13 and the venturi nozzle 14 or pulled out from it.
  • The fastening of the gas regulating device 11 on the monolithic unit comprising the housing 13 and the venturi nozzle 14 by means of the gas outlet stub 17 is also sealed by means of a sealing device 25. This sealing device 25 is also configured as a so-called O-ring and provides permanent sealing of the releasable connection between the gas regulating device 11 and the mixing device 10.
  • As FIG. 1 reveals, a gas nozzle 26 is positioned in the region of the gas outlet stub 17. The gas nozzle 26 is configured as a separate component and protrudes into the gas outlet stub 17.
  • In accordance with the present invention, a mixing device for a gas burner in which the venturi nozzle 14 is an integral part of the housing 13 is accordingly proposed. The monolithic unit comprising the housing 13 and the venturi nozzle 14 is in this case preferably produced from a plastic.
  • Furthermore, it is in accordance with the present invention to fasten the mixing device 10 formed in this way on a metallic supporting plate 12 of a blower by means of a bayonet closure. A gas regulating device 11 engages with a gas outlet stub 17 in a recess of the mixing device 10 according to the invention, the connection of the gas regulating device 11 and the mixing device 10, that is to say the monolithic unit comprising the housing 13 and the venturi nozzle 14, taking place by means of a snap closure.
    • LIST IF DESIGNATIONS
    • 10 mixing device
    • 11 gas regulating device
    • 12 supporting plate
    • 13 housing
    • 14 venturi nozzle
    • 15 inlet opening
    • 16 outlet opening
    • 17 gas outlet stub
    • 18 gas-routing duct
    • 19 bayonet closure
    • 20 recess
    • 21 projection
    • 22 stop
    • 23 sealing device
    • 24 securing clip
    • 25 sealing device
    • 26 gas nozzle

Claims (22)

1-13. (canceled)
14. A mixing device for mixing gas and combustion air for a gas burner, it being possible for a mixture of gas and combustion air that is provided by the mixing device to be fed to the gas burner by means of a blower, said mixing device comprising:
a housing; and
a venturi nozzle, wherein the venturi nozzle is integrated in the housing in such a way that the housing and the venturi nozzle are formed as a monolithic unit.
15. The mixing device of claim 14, wherein the monolithic unit is formed from plastic.
16. The mixing device of claim 14, wherein the monolithic unit forms a flow duct for gas and combustion air, it being possible for combustion air to be sucked in at an inlet opening of the monolithic unit, the blower acting at an outlet opening of the monolithic unit, and the blower providing a suction pressure to suck in the mixture of gas and combustion air through the outlet opening.
17. The mixing device of claim 16, wherein the monolithic unit is formed from plastic, and is fastened to a metallic supporting plate of the blower.
18. The mixing device of claim 17, wherein the monolithic unit is fastened to the supporting plate of the blower via of a quick-acting closure.
19. The mixing device of claim 18, wherein the quick-acting closure is formed as a bayonet closure, with an end on an outlet side of the monolithic unit being assigned projections, which can be introduced into corresponding recesses of the supporting plate of the blower, and which releasably fasten the monolithic unit to the supporting plate of the blower after the monolithic unit and the supporting plate have been turned in relation to each other.
20. The mixing device of claim 17, wherein the fastening of the monolithic unit to the metallic supporting plate of the blower includes a sealing element.
21. The mixing device of claim 16, further comprising:
a gas regulating device fastened relative to the monolithic unit, the gas regulating device including a gas outlet stub that is insertable into a corresponding recess in the monolithic unit.
22. The mixing device of claim 21, wherein the gas regulating device is fastened to the monolithic unit via a quick-acting closure.
23. The mixing device of claim 22, wherein the quick-acting closure includes:
a snap closure having a securing clip, assigned to the monolithic unit, that grips at least partially around the gas outlet stub after the gas regulating device has been inserted into the recess of the monolithic unit, in order to releasably fasten the gas regulating device to the monolithic unit.
24. The mixing device of claim 21, wherein the fastening of the gas regulating device relative to the monolithic unit includes a sealing element.
25. The mixing device of claim 21, wherein the recess in the monolithic unit is arranged between the inlet opening and the outlet opening of the flow duct formed by the monolithic unit.
26. A gas burner, comprising:
a combustion chamber;
a mixing device adapted to mix gas and combustion air, the mixing device including a housing and a venturi nozzle, wherein the venturi nozzle is integrated in the housing in such a way that the housing and the venturi nozzle are formed as a monolithic unit;
a blower; and
the blower, when activated, acting on the mixing device to suck in a mixture of gas and combustion air provided by the mixing device and feeding the mixture to the combustion chamber.
27. The gas burner of claim 26 wherein the monolithic unit of the mixing device forms a flow duct for gas and combustion air, where the combustion air is sucked in at an inlet opening of the monolithic unit and a mixture of gas and combustion air is provided through an outlet opening of the monolithic opening.
28. The gas burner of claim 27 wherein the blower acts at the outlet opening of the monolithic unit by providing a suction pressure to suck in the mixture of gas and combustion air through the outlet opening of the monolithic unit and providing the mixture to the combustion chamber.
29. The gas burner of claim 27 further comprising:
a gas regulating device fastened to the monolithic unit, the gas regulating device including a gas outlet stub that is insertable into a corresponding recess in the monolithic unit, wherein the recess is in fluid communication with the flow duct of the monolithic unit.
30. The gas burner of claim 29 wherein the monolithic unit is fastened to the blower via a quick-acting closure.
31. The mixing device of claim 30, wherein the quick-acting closure is a bayonet closure.
32. The gas burner of claim 29 wherein the monolithic unit is fastened to the blower via a quick-acting closure.
33. The mixing device of claim 32, wherein the quick-acting closure is a snap closure having a securing clip.
34. A mixing device for mixing gas and combustion air for a gas burner, said mixing device comprising:
a housing, the housing having side walls that define a venturi nozzle that forms a flow duct, the flow duct having an inlet opening for accepting combustion air and an outlet opening for providing a mixture of gas and combustion air; and
a gas inlet opening extending through a side wall of the housing, the gas inlet opening defining a recess for receiving a gas outlet stub of a gas regulating device.
US10/597,927 2004-02-12 2005-02-04 Mixing Device for Mixing Gas and Combustion Air For a Gas Burner and Gas Burner Abandoned US20070243496A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004007123.3 2004-02-12
DE102004007123A DE102004007123B3 (en) 2004-02-12 2004-02-12 Mixing device for mixing gas and combustion air for a gas burner comprises a gas regulating unit arranged on a monolithic unit consisting of a housing and a Venturi nozzle
PCT/EP2005/001125 WO2005078343A1 (en) 2004-02-12 2005-02-04 Mixing device for mixing gas and combustion air for a gas burner and gas burner

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US20070243496A1 true US20070243496A1 (en) 2007-10-18

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US (1) US20070243496A1 (en)
EP (1) EP1714079B1 (en)
DE (1) DE102004007123B3 (en)
WO (1) WO2005078343A1 (en)

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US20100269931A1 (en) * 2007-10-12 2010-10-28 Ebm-Papst Landshut Gmbh Fan with integrated regulation valve
US20100297568A1 (en) * 2007-11-05 2010-11-25 Honeywell Technologies Sarl Device for providing a gas/combustion air mixture for a gas burner
US20110081619A1 (en) * 2009-10-06 2011-04-07 Honeywell Technologies Sarl Regulating device for gas burners
US8512035B2 (en) 2010-03-09 2013-08-20 Honeywell Technologies Sarl Mixing device for a gas burner

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AT502650B1 (en) * 2006-02-13 2007-05-15 Vaillant Austria Gmbh Retaining body for use with e.g. industrial water line, has flange that rests on side at body, where side is turned away from pipeline, region covered by flange includes passage and sealant is arranged within passage
DE102007004969A1 (en) 2007-01-26 2008-07-31 Viessmann Werke Gmbh & Co Kg Mixing device for use in gas burner, has housing formed from shell-like components, where shell-like components of housing and outer wall of gas-air-mixture section are designed as single piece component
DE102007008460A1 (en) 2007-02-19 2008-08-21 Viessmann Werke Gmbh & Co Kg Mixing device for a gas blower burner
DE102010044591A1 (en) 2010-09-07 2012-03-08 Honeywell Technologies Sarl Gas control unit with attached Venturi nozzle
DE102011014117A1 (en) 2011-03-15 2012-09-20 Ebm-Papst Landshut Gmbh Mixing device for mixing combustion air and gas for a gas appliance
EP3015768B1 (en) 2014-10-29 2019-02-20 Honeywell Technologies Sarl Assembly comprising a gas valve, a fan, a gas/air mixer and a burner door
EP3015767B1 (en) 2014-10-29 2019-03-06 Honeywell Technologies Sarl Assembly comprising a gas valve and a gas/air mixer
DE102021108001A1 (en) 2021-03-30 2022-10-06 Vaillant Gmbh Method of attaching a gas nozzle to a gas valve, gas nozzle and heater

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WO2005078343A1 (en) 2005-08-25
EP1714079B1 (en) 2015-07-29

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