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EP3015768B1 - Ensemble comprenant une soupape à gaz, un ventilateur, un mélangeur gaz/air et une fenêtre de brûleur - Google Patents

Ensemble comprenant une soupape à gaz, un ventilateur, un mélangeur gaz/air et une fenêtre de brûleur Download PDF

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Publication number
EP3015768B1
EP3015768B1 EP14190817.8A EP14190817A EP3015768B1 EP 3015768 B1 EP3015768 B1 EP 3015768B1 EP 14190817 A EP14190817 A EP 14190817A EP 3015768 B1 EP3015768 B1 EP 3015768B1
Authority
EP
European Patent Office
Prior art keywords
gas
fan
housing part
valve
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14190817.8A
Other languages
German (de)
English (en)
Other versions
EP3015768A1 (fr
Inventor
Libor Kralicek
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.)
Garrett Motion SARL
Original Assignee
Honeywell Technologies SARL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell Technologies SARL filed Critical Honeywell Technologies SARL
Priority to EP14190817.8A priority Critical patent/EP3015768B1/fr
Publication of EP3015768A1 publication Critical patent/EP3015768A1/fr
Application granted granted Critical
Publication of EP3015768B1 publication Critical patent/EP3015768B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F23D14/34—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • 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
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/82—Preventing flashback or blowback
    • F23D14/825—Preventing flashback or blowback using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00—Blast-producing apparatus before the fire
    • F23L5/02—Arrangements of fans or blowers

Definitions

  • the present patent application relates to an assembly comprising a gas valve, a fan, a gas/air mixer and a burner door.
  • DE 10 2004 007 123 B3 discloses an assembly comprising a gas valve for providing gas, a fan for providing air and a gas/air mixer for mixing the gas with the air thereby providing a gas/air mixture.
  • 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 a gas/air mixture outlet.
  • the gas/air mixer is mounted to a support plate of the fan by a bayonet-connection.
  • WO 2014/019835 A1 discloses a fan with an integrated manifold for a gas burner.
  • the fan comprises a fan housing having a fan housing lower part, a fan housing lid and a protection cover for a fan motor of the fan.
  • the fan housing lid carries the fan motor and serves as fan plate housing part.
  • the manifold is integrated with the fan housing lower part.
  • the fan housing lower part and the fan housing lid define together with the manifold which is integral with fan housing lower part a flow channel for the gas/air mixture.
  • EP 2 597 370 A1 discloses an assembly according to the preamble of claim 1.
  • Other prior art is disclosed by EP 2 278 224 A2 and by US 2010/0314469 A1 .
  • a novel assembly comprising a gas valve, a fan, a gas/air mixer and a burner door is provided.
  • the fan comprises a fan housing and a fan motor carrying a fan impeller
  • the fan housing comprises a fan plate housing part carrying the fan motor and a fan impeller housing part
  • the fan plate housing part and the burner door are commonly provided by one monolithic element.
  • the fan impeller housing part comprises grooves for receiving a non-return valve, wherein the non-return valve comprises a valve frame made from a relative rigid material and a valve flap made from a relative elastic material, and wherein the non-return valve is inserted into the grooves of the impeller housing part through the valve frame with the valve flap being attached to the valve frame.
  • the claimed invention reduces the space occupied by the assembly comprising the gas valve, the fan, the gas/air mixer and the burner door.
  • the claimed invention provides an improved integration of the non-return valve.
  • the fan impeller housing part and the monolithic element which commonly provides the fan plate housing part and the burner door define together a flow channel for the gas air mixture, wherein the fan impeller housing part provides an gas/air mixture inlet of said flow channel through which the fan impeller housing part is connectable to the gas/air mixture outlet of the gas/air mixer, and wherein the burner door provides an gas/air mixture outlet of said flow channel.
  • the fan impeller housing part is positioned between the gas/air mixer and the monolithic element which commonly provides the fan plate housing part and the burner door, wherein the fan motor and fan impeller are positioned on opposite sides of the monolithic element which commonly provides the fan plate housing part and the burner door, and wherein a shaft of the fan impeller is guided from the fan impeller to the fan motor through an opening of the monolithic element which commonly provides the fan plate housing part and the burner door.
  • This further reduces the space occupied by the assembly.
  • the monolithic element which commonly provides the fan plate housing part and the burner door comprises an integral element providing a seat for the gas inlet of the gas valve when the assembly is shipped from the factory to the customer, wherein the fan impeller housing part comprises an integral element providing an additional seat for the gas valve housing of the gas valve when the assembly is shipped from the factory to the customer. This reduces the space occupied by the assembly during shipment.
  • the invention relates to an assembly comprising a gas valve 10 for providing gas, a fan 11 for providing air, a gas/air mixer 12 for mixing the gas and the air thereby providing the gas/air mixture, and a burner door 13 for connecting the assembly to a gas burner.
  • the gas burner is combusting the gas/air mixture within a burner chamber of the same.
  • the gas valve 10 comprises a gas valve housing 14 providing a gas inlet 15 through which the gas valve 10 is connectable to a gas pipe, and further providing a gas outlet 16 through which the gas valve 10 is connectable to the gas/air mixer 12.
  • the gas valve 10 comprises control elements to control the gas flow though the same.
  • the gas/air mixer 12 comprises a gas/air mixer housing 17 providing a gas inlet 18 through which the gas/air mixer 12 s connectable to the gas outlet 16 of the gas valve 11.
  • a hose 19 is running between the gas outlet 16 of the gas valve 11 and the gas inlet 18 of the gas/air mixer 12 for connecting the same.
  • the hose 19 is made from an elastic material like rubber.
  • the gas/air mixer housing 17 further provides an air inlet 20 and a gas/air mixture outlet (not visible). Instead of such an elastic hose, the gas outlet 16 of the gas valve 11 and the gas inlet 18 of the gas/air mixer 12 can also be rigidly connected.
  • the fan 11 comprises a fan housing 21 and a fan motor 22 carrying a fan impeller 23.
  • the fan housing 21 comprises a fan plate housing part 24 carrying the fan motor 22 and a fan impeller housing part 25.
  • the fan plate housing part 24 which carries the fan motor 22 and the burner door 13 for connecting the assembly to a gas burner are commonly provided by one monolithic element 26. This reduces the space occupied by the assembly.
  • the fan impeller housing part 25 and the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13 define together a flow channel for the gas/air mixture.
  • the fan impeller housing part 25 comprises an gas/air mixture inlet 27 of said flow channel for the gas/air mixture through which the fan impeller housing part 25 is connectable to the gas/air mixture outlet (not visible) of the gas/air mixer 11.
  • the burner door 13 provides a gas/air mixture outlet 28 of said flow channel for the gas/air mixture. This further reduces the space occupied by the assembly.
  • the fan impeller housing part 25 is positioned between the gas/air mixer 12 and the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13.
  • the fan motor 22 of the fan 11 and the fan impeller 23 of the fan 11 are positioned on opposite sides of the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13.
  • a shaft 29 of the fan impeller 23 is guided from the fan impeller 23 to the fan motor 22 through an opening (not visible) of the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13. This further reduces the space occupied by the assembly.
  • the fan impeller housing part 25 and the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13 are connected to each other by a screw connection comprising several screws 30 extending through mounting holes 33 of the fan impeller housing part 25 and extending in mounting holes 34 of the monolithic element 26.
  • the fan impeller housing part 25 and the gas/air mixer 11 are connected to each other by bayonet connection.
  • this bayonet connection is provided by protrusions 31 at an outer surface of the gas/air mixer housing 17 acting together with brackets 32 at an outer surface of the fan impeller housing part 25.
  • a bayonet lock 49 is provided at the outer surface of the fan impeller housing part 25. Said bayonet lock 49 is provided by a recesses in the outer surface of the fan impeller housing part 25 and acts together with a corresponding protrusion (not visible) of the gas/air mixer 11.
  • a sealing ring (not shown) is preferably positioned in a groove 50 at the outer surface of the fan impeller housing part 25.
  • Said grooves surrounds the gas/air mixture inlet 27 of the fan impeller housing part 25 and said sealing ring seals the fan impeller housing part 25 against the gas/air mixer housing 17 in the region in which the gas/air mixture flows from the gas/air mixer housing 17 into the gas/air mixture flow channel defined by the fan impeller housing part 25 and by the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13.
  • Figure 6 illustrates an alternative bayonet connection between the fan impeller housing part 25 and the gas/air mixer housing 17 of the gas/air mixer 11.
  • the bayonet connection may also be provided by protrusions 37 at an inner surface of the shown section of the fan impeller housing part 25 acting together with openings 35 and slots 36 at an inner surface of the shown section the gas/air mixer housing 17 of the gas/air mixer 11.
  • the fan impeller housing part 25 and the gas/air mixer housing 17 can also be connected by a screw connection.
  • Figure 6 illustrates also the gas/air mixture outlet 38 of the gas/air mixer housing 17 of the gas/air mixer 11.
  • the monolithic element 26 which commonly provides the fan plate housing part 24 and the burner door 13 comprises an integral element 39 providing a seat 40 for the gas inlet15 of the gas valve 10 when the assembly is shipped from the factory to the customer.
  • the integral element 39 providing the seat 40 is provides by a lug-like protrusion of the monolithic element 26. This reduces the space occupied by the assembly especially during shipment.
  • the fan impeller housing part 25 comprises an integral element 41 providing an additional seat 42 for the gas valve housing 14 of the gas valve 10 when the assembly is shipped from the factory to the customer.
  • Said element 41 providing the additional seat 42 is in the embodiment of Figure 2 formed integral with one of the brackets 32 at the outer surface of the fan impeller housing part 25. This further reduces the space occupied by the assembly especially during shipment.
  • the fan impeller housing part 25 comprises grooves 43 or receiving a non-return valve 44.
  • the non-return valve 44 comprises a valve frame 45 made from a rigid material and a valve flap 46 made from an elastic material.
  • the valve flap 46 is hinged to a sealing ring 47 made from a elastic material.
  • the valve frame 45 comprises a groove 48 for the sealing ring 47.
  • the valve flap 46 is attached to the valve frame 45 though the sealing ring 47 when the sealing ring 47 is positioned in the groove 48 of the valve frame 45.
  • the non-return valve 44 is inserted into the grooves 43 of the impeller housing part 25 through the valve frame 45 with the valve flap 46 being attached to the valve frame 45. This provides an improved integration of the non-return valve 44.

Landscapes

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

Claims (6)

  1. Ensemble comportant
    une vanne (10) de gaz servant à fournir du gaz, un ventilateur (11) servant à fournir de l'air, un mélangeur gaz/air (12) servant à fournir un mélange gaz/air, et
    une trappe (13) de brûleur servant à raccorder l'ensemble à un brûleur à gaz ;
    la vanne (10) de gaz comportant un carter (14) de vanne de gaz ménageant une entrée (15) de gaz à travers laquelle la vanne (10) de gaz peut être raccordée à un tuyau de gaz, et ménageant en outre une sortie (16) de gaz à travers laquelle la vanne (10) de gaz peut être raccordée à le mélangeur gaz/air (12) ;
    le mélangeur gaz/air (12) comportant un carter (17) de mélangeur gaz/air ménageant une entrée (18) de gaz à travers laquelle le mélangeur gaz/air (12) peut être raccordé à la sortie (16) de gaz de la vanne (10) de gaz, ménageant une entrée (20) d'air, et ménageant en outre une sortie de mélange gaz/air ;
    le ventilateur (11) comportant un carter (21) de ventilateur et un moteur (22) de ventilateur portant un roue (23) de ventilateur,
    le carter (21) de ventilateur comportant une partie (24) de carter de plaque de ventilateur portant le moteur (22) de ventilateur et une partie (25) de carter de roue de ventilateur,
    caractérisé en ce que
    la partie (24) de carter de plaque de ventilateur et la trappe (13) de brûleur sont constituées en commun par un seul élément monobloc (26),
    la partie (25) de carter de roue de ventilateur comporte des rainures (43) servant à recevoir un clapet anti-retour (44) ;
    le clapet anti-retour (44) comporte un encadrement (45) de clapet constitué d'un matériau rigide et un volet (46) de clapet constitué d'un matériau élastique ;
    le clapet anti-retour (44) est inséré dans les rainures (43) de la partie (25) de carter de roue à travers l'encadrement (45) de clapet, le volet (46) de clapet étant rattaché à l'encadrement (45) de clapet.
  2. Ensemble selon la revendication 1, caractérisé en ce que
    la partie (25) de carter de roue de ventilateur et l'élément monobloc (26) qui constitue en commun la partie (24) de carter de plaque de ventilateur et la trappe (13) de brûleur définissent ensemble un conduit d'écoulement pour le mélange gaz/air ;
    la partie (25) de carter de roue de ventilateur fournit un mélange gaz/entrée d'air (27) dudit conduit d'écoulement à travers lequel la partie (25) de carter de roue de ventilateur peut être raccordée à la sortie de mélange gaz/air du mélangeur gaz/air (12) ;
    la trappe (13) de brûleur ménage une sortie de mélange gaz/air (28) dudit conduit d'écoulement.
  3. Ensemble selon la revendication 1 ou 2, caractérisé en ce que
    la partie (25) de carter de roue de ventilateur est positionnée entre le mélangeur gaz/air (12) et l'élément monobloc (26) qui constitue en commun la partie (24) de carter de plaque de ventilateur et la trappe (13) de brûleur ;
    le moteur (22) de ventilateur et roue (23) de ventilateur sont positionnés sur des côtés opposés de l'élément monobloc (26) qui constitue en commun la partie (24) de carter de plaque de ventilateur et la trappe de brûleur (12) ;
    un arbre (29) de la roue (23) de ventilateur est guidé de la roue (23) de ventilateur au moteur (22) de ventilateur à travers une ouverture de l'élément monobloc (26) qui constitue en commun la partie (24) de carter de plaque de ventilateur et la trappe (13) de brûleur.
  4. Ensemble selon la revendication 3, caractérisé en ce que
    la partie (25) de carter de roue de ventilateur et l'élément monobloc (26) qui constitue en commun la partie (24) de carter de plaque de ventilateur et la trappe (13) de brûleur sont reliés l'un à l'autre par un raccordement à vis ;
    la partie (25) de carter de roue de ventilateur et le mélangeur gaz/air (12) sont reliés l'un à l'autre par un raccordement à baïonnette ou un raccordement à vis.
  5. Ensemble selon l'une des revendications 1 à 4, caractérisé en ce que
    l'élément monobloc (26) qui constitue en commun la partie (24) de carter de plaque de ventilateur et la trappe (13) de brûleur comporte un élément intégré (39) constituant un siège (40) pour l'entrée (15) de gaz de la vanne (10) de gaz lorsque l'ensemble est expédié de l'usine au client ;
    la partie (25) de carter de roue de ventilateur comporte un élément intégré (41) constituant un siège (42) supplémentaire pour le carter (14) de vanne de gaz de la vanne (10) de gaz lorsque l'ensemble est expédié de l'usine au client.
  6. Ensemble selon l'une des revendications 1 à 5, caractérisé en ce que
    le volet (46) de clapet est articulé à une bague (47) d'étanchéité constituée d'un matériau élastique ;
    l'encadrement (45) de clapet comporte une rainure (48) destinée à la bague (47) d'étanchéité de telle façon que le volet (46) de clapet soit rattaché à l'encadrement (45) de clapet par l'intermédiaire de la bague (47) d'étanchéité lorsque la bague (47) d'étanchéité est positionnée dans la rainure (48) de l'encadrement (45) de clapet.
EP14190817.8A 2014-10-29 2014-10-29 Ensemble comprenant une soupape à gaz, un ventilateur, un mélangeur gaz/air et une fenêtre de brûleur Active EP3015768B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14190817.8A EP3015768B1 (fr) 2014-10-29 2014-10-29 Ensemble comprenant une soupape à gaz, un ventilateur, un mélangeur gaz/air et une fenêtre de brûleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14190817.8A EP3015768B1 (fr) 2014-10-29 2014-10-29 Ensemble comprenant une soupape à gaz, un ventilateur, un mélangeur gaz/air et une fenêtre de brûleur

Publications (2)

Publication Number Publication Date
EP3015768A1 EP3015768A1 (fr) 2016-05-04
EP3015768B1 true EP3015768B1 (fr) 2019-02-20

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EP14190817.8A Active EP3015768B1 (fr) 2014-10-29 2014-10-29 Ensemble comprenant une soupape à gaz, un ventilateur, un mélangeur gaz/air et une fenêtre de brûleur

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EP (1) EP3015768B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019112644A1 (de) * 2019-05-14 2020-11-19 Ebm-Papst Landshut Gmbh Gebläsegehäuse eines Gasgebläses mit redundant vorgesehenen Rückschlagventilen

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Publication number Priority date Publication date Assignee Title
EP3531017B1 (fr) 2018-02-26 2020-10-21 Honeywell Technologies Sarl Dispositif de mélange gaz/air destiné à un brûleur à gaz et ensemble comprenant un dispositif de mélange gaz/air et un ventilateur
EP3702619B1 (fr) 2019-02-26 2022-04-06 Ademco CZ s.r.o. Ensemble de ventilateur pour brûleur à gaz et ensemble comprenant l'ensemble de ventilateur
EP3748229B8 (fr) 2019-06-03 2024-10-16 Pittway Sarl Valve anti-reflux d'un brûleur à gaz et ensemble comprenant la valve anti-reflux
EP3913284B1 (fr) 2020-05-19 2023-10-18 Pittway Sarl Dispositif de mélange gaz/air destiné à un brûleur à gaz
DE102022004697A1 (de) * 2022-12-14 2024-06-20 Truma Gerätetechnik GmbH & Co. KG Vorrichtung zum Erwärmen eines Mediums

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DE20308866U1 (de) * 2003-06-06 2003-08-14 Buderus Heiztechnik Gmbh, 35576 Wetzlar Rückschlagklappe
DE102004007123B3 (de) 2004-02-12 2005-08-18 Honeywell B.V. Mischvorrichtung zum Mischen von Gas und Verbrennungsluft für einen Gasbrenner sowie Gasbrenner
DE102006057086B8 (de) * 2006-12-04 2009-01-29 Minebea Co., Ltd. Gebläse für ein Gasverbrennungssystem
DE102007022008B4 (de) * 2007-05-08 2009-02-26 Saia-Burgess Dresden Gmbh Kombinierte Lüfter-/Gasventileinheit
IT1395189B1 (it) * 2009-07-22 2012-09-05 Ln 2 Srl Socio Unico Dispositivo miscelatore aria-gas, particolarmente per apparecchi bruciatori a pre-miscelazione.
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
ITPD20110373A1 (it) * 2011-11-24 2013-05-25 Ln 2 Srl Socio Unico Dispositivo miscelatore aria-gas per bruciatori a gas combustibile con pre-miscelazione
DE102012107128A1 (de) 2012-08-03 2014-02-06 Ebm-Papst Landshut Gmbh Gebläsevorrichtung mit integriertem Krümmer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019112644A1 (de) * 2019-05-14 2020-11-19 Ebm-Papst Landshut Gmbh Gebläsegehäuse eines Gasgebläses mit redundant vorgesehenen Rückschlagventilen

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