EP3015767B1 - Ensemble comprenant une soupape de gaz et un mélangeur gaz/air - Google Patents

Ensemble comprenant une soupape de gaz et un mélangeur gaz/air Download PDF

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Publication number
EP3015767B1
EP3015767B1 EP14190822.8A EP14190822A EP3015767B1 EP 3015767 B1 EP3015767 B1 EP 3015767B1 EP 14190822 A EP14190822 A EP 14190822A EP 3015767 B1 EP3015767 B1 EP 3015767B1
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EP
European Patent Office
Prior art keywords
gas
air mixer
valve
inlet
rotation
Prior art date
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Application number
EP14190822.8A
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German (de)
English (en)
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EP3015767A1 (fr
Inventor
Libor Kralicek
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Garrett Motion SARL
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Honeywell Technologies SARL
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Priority to EP14190822.8A priority Critical patent/EP3015767B1/fr
Publication of EP3015767A1 publication Critical patent/EP3015767A1/fr
Application granted granted Critical
Publication of EP3015767B1 publication Critical patent/EP3015767B1/fr
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Classifications

    • 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
    • F23D14/62—Mixing devices; Mixing tubes
    • 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
    • F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
    • F23D14/36—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit

Definitions

  • the present patent application relates to an assembly comprising a gas valve and a gas/air mixer.
  • the gas valve comprises a gas valve housing providing a gas inlet through which the gas valve is connectable to a gas pipe, and further providing a gas outlet through which the gas valve is connectable to the gas/air mixer.
  • the gas/air mixer comprises a gas/air mixer housing providing a gas inlet through which the gas/air mixer is connectable to the gas outlet of the gas valve, providing an air inlet, and providing an gas/air mixture outlet.
  • the gas outlet of the gas valve and the gas inlet of the gas/air mixer are connected together in such a way that a male-like section of the gas outlet of the gas valve is plugged into a female-like section of the gas inlet of the gas/air mixer, wherein the gas outlet of the gas valve and the gas inlet of the gas/air mixer are fixed together in the plugged-in configuration by a clip or a clamp.
  • the connection between the gas outlet of the gas valve and the gas inlet of the gas/air mixer allows a relative rotation between the gas valve and the gas/air mixer.
  • EP 2 336 638 A1 EP 2 927 584 A1 and by WO 2015/001438 A1 .
  • the claimed invention provides a fixed relative orientation between the gas valve and the gas/air mixer in the plugged-in configuration of the same.
  • the anti-rotation element of the gas outlet of the gas valve and the anti-rotation element of the gas inlet of the gas/air mixer act together in a form-fit manner when the gas outlet of the gas valve and the gas inlet of the gas/air mixer are plugged together. This provides a simple and reliable anti-rotation feature to prevent a rotation between the gas valve and the gas/air mixer when the same are plugged together.
  • the gas outlet of the gas valve comprises a male-like section with the anti-rotation element of the gas outlet being provided by a geometrical shape of said male-like section; wherein the gas inlet of the gas/air mixer comprises a female-like section with the anti-rotation element of the gas inlet being provided by a geometrical shape of said female-like section; and wherein said anti-rotation element of the gas outlet of the gas valve engages said anti-rotation element of the gas inlet of the gas/air mixer in a form-fit manner when the male-like section of the gas valve is plugged into the female-like section of the gas/air mixer thereby preventing a rotation between the gas valve and the gas/air mixer when the same are plugged together.
  • This provides a simple and reliable anti-rotation feature to prevent a rotation between the gas valve and the gas/air mixer when the same are plugged together.
  • the invention relates to an assembly comprising a gas valve 10 and a gas/air mixer 11.
  • Such an assembly is used to provide gas and air in a proper ratio, to mix the gas and the air thereby providing a gas/air mixture for a gas burner combusting the gas/air mixture within a burner chamber of the same.
  • the gas valve 10 comprises a gas valve housing 12.
  • the gas valve housing 12 provides a gas inlet 13 through which the gas valve 13 is connectable to a gas pipe (not shown).
  • the gas valve housing 12 further provides a gas outlet 14 through which the gas valve 10 is connectable to the gas/air mixer 11.
  • the gas valve 10 comprises control elements to control the gas flow though the same.
  • the gas/air mixer 11 comprises a gas/air mixer housing 15.
  • the gas/air mixer housing 15 provides a gas inlet 16 through which the gas/air mixer 11 is connectable to the gas outlet 14 of the gas valve 10.
  • the gas/air mixer housing 15 further provides an air inlet 17, a gas/air mixture outlet 18.
  • the gas/air mixer 11 is an integral part of a gas/air train system comprising the gas/air mixer 11 and a fan housing 39 of a fan.
  • the gas/air mixture outlet 18 is in the shown embodiment provided by a mounting socket 19 of the fan housing 39.
  • the assembly is mountable to a burner or heat exchanger by said mounting socket 19.
  • the fan adjusts the air flow.
  • the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are connected together.
  • the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are connected together in such a way that the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are plugged together and fixed together in the plugged-in configuration by a clip or a clamp 20.
  • the gas outlet 14 of the gas valve 10 comprises a male-like section 21 like a protrusion and the gas inlet 16 of the gas/air mixer 11 comprises a female-like section 22 like an opening, wherein the male-like section 21 of the gas outlet 14 of the gas valve 10 is plugged into the female-like section 22 of the gas inlet 16 of the gas/air mixer 11.
  • the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 become sealed against each other by a sealing element 23 positioned between the same.
  • the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 both comprise anti-rotation elements 24, 25 preventing a rotation between the gas valve 10 and the gas/air mixer 11 when the same are plugged together.
  • the anti-rotation element 24 of the gas outlet 14 of the gas valve 10 and the anti-rotation element 25 of the gas inlet 16 of the gas/air mixer 11 act together in a form-fit manner when the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are plugged together. This provides a simple and reliable anti-rotation feature to prevent a rotation between the gas valve 10 and the gas/air mixer 11 when the same are plugged together.
  • the anti-rotation element 24 of the gas outlet 14 of the gas valve 10 is provided by a geometrical shape of the male-like section 21 of the gas outlet 14 of the gas valve 10.
  • the anti-rotation element 25 of the gas inlet 16 of the gas/air mixer 11 is provided by a geometrical shape of the female-like section 22 of the gas inlet 16 of the gas/air mixer 11.
  • the anti-rotation element 24 of the gas outlet 14 of the gas valve 10 is provided by an angular, preferably hexagonal, geometrical shape of an outer surface of the male-like section 21 of the gas outlet 14 of the gas valve 10.
  • the anti-rotation element 25 of the gas inlet 16 of the gas/air mixer 11 is provided by an angular, for example hexagonal, geometrical shape of an inner surface of the female-like section 22 of the gas inlet 16 of the gas/air mixer 11.
  • the angular geometrical shape provided at the male-like section 21 of the gas outlet 14 of the gas valve 10 engages with the angular geometrical shape provided at the female-like section 22 of the gas inlet 16 of the gas/air mixer 11 when the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are plugged together.
  • Such anti-rotation elements 24 and 25 provided by said angular, preferably hexagonal, geometrical shapes withstand high holding torques as these are required for the assembly od a gas pipe to the gas inlet 13 of the gas valve 10.
  • Figures 9 and 10 show an alternative design of the anti-rotation elements 24 and 25.
  • the anti-rotation element 24 of the male-like section 21 of the gas outlet 14 of the gas valve 10 is provided by a crown-like geometrical shape having several protrusions 26 and several recesses 27 positioned side-by-side in circumferential direction of the gas outlet 14.
  • the anti-rotation element 25 of the female-like section 22 of the gas inlet 16 of the gas/air mixer 11 is provided by a crown-like geometrical shape having several protrusions 28 and recesses 29 positioned side-by-side in circumferential direction of the gas inlet 16.
  • the protrusions 26 of the crown-like geometrical shape of the anti-rotation element 24 of the gas valve 10 engage with the recesses 29 of the crown-like geometrical shape of the anti-rotation element 25 of the gas/air mixer 11 and the protrusions 28 of the crown-like geometrical shape of the anti-rotation element 25 of the gas/air mixer 11 engage with the recesses 27 of the crown-like geometrical shape of the anti-rotation element 24 of the gas valve 10 when the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are plugged together.
  • Such anti-rotation elements 24 and 25 provided by said crown-like geometrical shapes provide less clearance in the connection.
  • the gas outlet 14 of the gas valve 10 and the gas inlet 16 of the gas/air mixer 11 are fixed together in the plugged-in configuration by a clip or a clamp 20.
  • the gas inlet 16 of the gas/air mixer 11 comprises a rotation-limitation element 30 limiting or preventing a rotation of the clip or the clamp 20 when the gas valve 10 and the gas/air mixer 11 are fixed together by the clip or the clamp 20.
  • Said rotation-limitation element 30 of the gas inlet 16 of the gas/air mixer 11 is provided by a protrusion 31 of an outer surface of the gas inlet 16 of the gas/air mixer 11.
  • the clip or the clamp 20 comprises two halves 32, 33 (see Figures 2 , 6, 7 and 8 ) that are attached to each other at first ends of the same providing an elastically deformable clip or the clamp 20.
  • Each half 32, 33 comprises a first clamping leg 34 engaging an outer section of the gas outlet 14 of the gas valve 10 and second clamping leg 25 engaging an outer section of the gas inlet 16 of the gas/air mixer 11.
  • the first clamping leg 34 and the second clamping leg 35 of each half 32, 33 are at least partially separated by a slot 36.
  • Each slot 36 engages with a protrusion 37 provided at an outer surface of the gas inlet 16 of the gas/air mixer 11; wherein said protrusion 37 is provided opposite to the protrusion 31 providing the rotation-limitation element 30.
  • the protrusion 37 acting together with the slots 36 of the clamp 20 has a circumferential expanse of approximately 180° and the protrusion 31 providing the rotation-limitation element 30 for the clamp 20 has a circumferential expanse of approximately 80°.
  • the second clamping leg 35 of each half 32, 33 is guided within a groove 38 provided at the outer surface of the gas inlet 16 of the gas/air mixer 11.
  • the groove 38 is at one side partially confined by the protrusion 37.
  • the rotation-limitation element 30 serves as stop element for second, free ends of the halves 32, 33 being opposite to the first ends of the same, namely as stop elements for the free ends of the second clamping legs 35 of the halves 32, 33.
  • the free ends of the halves 32, 33 of the clip or the clamp 20 confine an angle of approximately 100°.
  • the protrusion 31 providing the rotation-limitation element 30 for the clamp 20 is positioned between said free ends when the clamp 20 is in the mounting position. A slight rotation of the clamp 20 in the mounting position of the same is possible, wherein the protrusion 31 providing the rotation-limitation element 30 acts as stop element limiting said rotation.
  • the present invention provides at least a fixed relative orientation between the gas valve 10 and the gas/air mixer 11 in the plugged-in configuration of the same.
  • the present invention further provides a fixed relative orientation between the clip 20 and the gas valve 11 as well as between the clip 20 and the gas/air mixer 11 when the gas valve 10 and the gas/air mixer 11 are fixed together by the clip 20 in the plugged-in configuration of the same.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Housings (AREA)

Claims (8)

  1. Ensemble comprenant une soupape de gaz (10) et un mélangeur gaz/air (11),
    la soupape de gaz (10) comprenant un boîtier de soupape de gaz (12) fournissant une entrée de gaz (13) à travers laquelle la soupape de gaz (10) peut être raccordée à une conduite de gaz, et fournissant en outre une sortie de gaz (14) à travers laquelle la soupape de gaz (10) peut être raccordée au mélangeur gaz/air (11) ;
    le mélangeur gaz/air (11) comprenant un boîtier de mélangeur gaz/air (15) fournissant une entrée de gaz (16) à travers laquelle le mélangeur gaz/air (11) peut être connecté à la sortie de gaz (14) de la soupape de gaz (10), fournissant une entrée d'air (17), et fournissant en outre une sortie de mélange gaz/air (18) ;
    la sortie de gaz (14) de la soupape de gaz (10) et l'entrée de gaz (16) du mélangeur gaz/air (11) étant raccordées ensemble de sorte que la sortie de gaz (14) de la soupape de gaz (10) et l'entrée de gaz (16) du mélangeur gaz/air (11) soient branchées ensemble et dans la configuration branchée fixées ensemble par une pince ou une agrafe (20) ;
    caractérisé en ce que
    la sortie de gaz (14) de la soupape de gaz (10) et l'entrée de gaz (16) du mélangeur gaz/air (11) comprennent des éléments anti-rotation (24, 25) empêchant une rotation entre la soupape de gaz (10) et le mélangeur gaz/air (11) lorsqu'ils sont branchés ensemble ;
    l'entrée de gaz (16) du mélangeur gaz/air (11) comprend un élément de limitation de rotation (30) limitant ou empêchant une rotation de la pince ou de l'agrafe (20) lorsque la soupape de gaz (10) et le mélangeur gaz/air (11) sont fixés ensemble par la pince ou l'agrafe (20).
  2. Ensemble selon la revendication 1, caractérisé en ce que l'élément anti-rotation (24) de la sortie de gaz (14) de la soupape de gaz (10) et l'élément anti-rotation (15) de l'entrée de gaz (16) du mélangeur gaz/air (11) agissent ensemble en complémentarité de forme lorsque la sortie de gaz (14) de la soupape de gaz (10) et l'entrée de gaz (16) du mélangeur gaz/air (11) sont branchées ensemble.
  3. Ensemble selon la revendication 1 ou 2, caractérisé en ce que
    la sortie de gaz (14) de la soupape de gaz (10) comprend une section de type mâle (21), l'élément anti-rotation (24) de la sortie de gaz (14) étant fourni par une forme géométrique de ladite section de type mâle (21) ;
    l'entrée de gaz (16) du mélangeur gaz/air (11) comprend une section de type femelle (22), l'élément anti-rotation (25) de l'entrée de gaz (16) étant fourni par une forme géométrique de ladite section de type femelle (22) ;
    ledit élément anti-rotation (24) de la sortie de gaz (14) de la soupape de gaz (10) vient en prise avec ledit élément anti-rotation (25) de l'entrée de gaz (16) du mélangeur gaz/air (11) par complémentarité de forme lorsque la section de type mâle (21) de la soupape de gaz (10) est branchée dans la section en forme de femelle (22) du mélangeur gaz/air (11) empêchant ainsi une rotation entre la soupape de gaz et le mélangeur gaz/air lorsque ceux-ci sont branchés ensemble.
  4. Ensemble selon l'une des revendications 1 à 3, caractérisé en ce que
    l'élément anti-rotation (24) de la sortie de gaz (14) de la soupape de gaz (10) est fourni par une forme géométrique de type couronne ayant plusieurs saillies (26) et plusieurs évidements (27) positionnés côte à côte dans la direction circonférentielle de la sortie de gaz (14) ;
    l'élément anti-rotation (25) de l'entrée de gaz (16) du mélangeur gaz/air (11) est fourni par une forme géométrique de type couronne ayant plusieurs saillies (28) et évidements (29) positionnés côte à côte dans la direction circonférentielle de l'entrée de gaz (16) ;
    les saillies (26) de la forme géométrique de type couronne de l'élément anti-rotation (24) de la soupape de gaz (10) viennent en prise avec les évidements (29) de la forme géométrique de type couronne de l'élément anti-rotation (25) du mélangeur gaz/air (11) et les saillies (28) de la forme géométrique de type couronne de l'élément anti-rotation (25) du mélangeur gaz/air (11) viennent en prise avec les évidements (27) de la forme géométrique de type couronne de l'élément anti-rotation (24) de la soupape de gaz (10) lorsque la sortie de gaz (14) de la soupape de gaz (10) et l'entrée de gaz (16) du mélangeur gaz/air (11) sont branchées ensemble.
  5. Ensemble selon l'une des revendications 1 à 3, caractérisé en ce que
    l'élément anti-rotation (24) de la sortie de gaz (14) de la soupape de gaz (10) est fourni par une forme géométrique angulaire, de préférence hexagonale, d'une surface extérieure de la sortie de gaz (14) de la soupape de gaz (10) ;
    l'élément anti-rotation (25) de l'entrée de gaz (16) du mélangeur gaz/air (11) est fourni par une forme géométrique angulaire, de préférence hexagonale, d'une surface intérieure de l'entrée de gaz (16) du mélangeur gaz/air (11) ;
    la forme géométrique angulaire de la soupape de gaz (10) vient en prise avec la forme géométrique angulaire du mélangeur gaz/air (11) lorsque la sortie de gaz (14) de la soupape de gaz (10) et l'entrée de gaz (16) du mélangeur gaz/air (11) sont branchées ensemble.
  6. Ensemble selon l'une des revendications 1 à 5, caractérisé en ce que l'élément de limitation de rotation (30) de l'entrée de gaz (16) du mélangeur gaz/air (11) est fourni par une saillie (31) d'une surface extérieure de l'entrée de gaz (16) du mélangeur gaz/air (11).
  7. Ensemble selon l'une des revendications 1 à 6, caractérisé en ce que
    la pince ou l'agrafe (20) comprend deux moitiés (32, 33) qui sont attachées l'une à l'autre au niveau de ses premières extrémités, fournissant une pince ou agrafe élastiquement déformable (20) ;
    chaque moitié (32, 33) comprend une première patte de serrage (34) venant en prise avec une section de la sortie de gaz (14) de la soupape de gaz (10) et une seconde patte de serrage (35) venant en prise avec une section de l'entrée de gaz (16) du mélangeur gaz/air (11) ;
    la première patte de serrage (34) et la seconde patte de serrage (35) de chaque moitié (32, 33) sont au moins partiellement séparées par une fente (36) ;
    chaque fente (36) vient en prise avec une saillie (37) disposée au niveau d'une surface extérieure de l'entrée de gaz (16) du mélangeur gaz/air (11), ladite saillie (37) étant disposée à l'opposé de l'élément de limitation de rotation (30) ;
    l'élément de limitation de rotation (30) sert d'élément de butée pour les secondes extrémités libres des moitiés (32, 33) opposées à leurs premières extrémités.
  8. Ensemble selon l'une des revendications 1 à 7, caractérisé en ce que
    le mélangeur gaz/air (11) fait partie intégrante d'un système de train gaz/air comprenant le mélangeur gaz/air (11) et un boîtier de ventilateur (39) d'un ventilateur.
EP14190822.8A 2014-10-29 2014-10-29 Ensemble comprenant une soupape de gaz et un mélangeur gaz/air Active EP3015767B1 (fr)

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EP14190822.8A EP3015767B1 (fr) 2014-10-29 2014-10-29 Ensemble comprenant une soupape de gaz et un mélangeur gaz/air

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EP14190822.8A EP3015767B1 (fr) 2014-10-29 2014-10-29 Ensemble comprenant une soupape de gaz et un mélangeur gaz/air

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EP3015767B1 true EP3015767B1 (fr) 2019-03-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3896321A1 (fr) 2020-04-14 2021-10-20 Pittway Sarl Pince de montage d'une unité d'actionneur sur une unité de soupape et ensemble doté d'une unité d'actionneur, d'une unité de soupape et d'une pince de montage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113680224A (zh) * 2020-05-19 2021-11-23 彼特威有限责任公司 气体燃烧器的气体/空气混合装置
DE102021108001A1 (de) 2021-03-30 2022-10-06 Vaillant Gmbh Verfahren zur Befestigung einer Gasdüse an einem Gasventil, Gasdüse und Heizgerät

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2927584A1 (fr) * 2014-04-02 2015-10-07 Honeywell Technologies Sarl Dispositif mélangeur intégrale de gaz combustible/aire pour un brûleur à gaz

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007123B3 (de) 2004-02-12 2005-08-18 Honeywell B.V. Mischvorrichtung zum Mischen von Gas und Verbrennungsluft für einen Gasbrenner sowie Gasbrenner
IT1396978B1 (it) * 2009-12-18 2012-12-20 Sit La Precisa Spa Con Socio Unico Sistema di connessione di un gruppo valvolare ad una struttura di ventilatore di un dispositivo di miscelazione aria-gas per alimentare bruciatori di caldaie e simili apparecchiature
ITPD20130189A1 (it) * 2013-07-05 2015-01-06 Sit La Precisa S P A Con Socio Uni Co Dispositivo miscelatore aria-gas per apparecchi bruciatori a pre-miscelazione

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2927584A1 (fr) * 2014-04-02 2015-10-07 Honeywell Technologies Sarl Dispositif mélangeur intégrale de gaz combustible/aire pour un brûleur à gaz

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3896321A1 (fr) 2020-04-14 2021-10-20 Pittway Sarl Pince de montage d'une unité d'actionneur sur une unité de soupape et ensemble doté d'une unité d'actionneur, d'une unité de soupape et d'une pince de montage
WO2021209359A1 (fr) 2020-04-14 2021-10-21 Pittway Sarl Attache de fixation pour monter une unité d'actionneur sur une unité de vanne et ensemble comprenant une unité d'actionneur, une unité de vanne et une attache de fixation
EP4234953A2 (fr) 2020-04-14 2023-08-30 Pittway Sarl Ensemble doté d'une unité d'actionneur, d'une unité de soupape et d'une pince de montage
US12203497B2 (en) 2020-04-14 2025-01-21 Pittway Sarl Mounting clip to mount an actuator unit to a valve unit and assembly having an actuator unit, a valve unit and a mounting clip

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