EP3299740A1 - Registre destiné à être utilisé dans une conduite d'une installation de ventilation et de climatisation ou d'une installation de désenfumage mécanique - Google Patents

Registre destiné à être utilisé dans une conduite d'une installation de ventilation et de climatisation ou d'une installation de désenfumage mécanique Download PDF

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Publication number
EP3299740A1
EP3299740A1 EP17166224.0A EP17166224A EP3299740A1 EP 3299740 A1 EP3299740 A1 EP 3299740A1 EP 17166224 A EP17166224 A EP 17166224A EP 3299740 A1 EP3299740 A1 EP 3299740A1
Authority
EP
European Patent Office
Prior art keywords
seal
lamella
closed position
pair
flap according
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.)
Granted
Application number
EP17166224.0A
Other languages
German (de)
English (en)
Other versions
EP3299740B1 (fr
EP3299740B9 (fr
Inventor
Nils Markwaldt
Ronny Sachse
Björn Beutelt
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.)
Gebrueder Trox GmbH
Original Assignee
Gebrueder Trox GmbH
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 Gebrueder Trox GmbH filed Critical Gebrueder Trox GmbH
Publication of EP3299740A1 publication Critical patent/EP3299740A1/fr
Publication of EP3299740B1 publication Critical patent/EP3299740B1/fr
Application granted granted Critical
Publication of EP3299740B9 publication Critical patent/EP3299740B9/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1406—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/35—Responding to malfunctions or emergencies to fire, excessive heat or smoke by closing air passages

Definitions

  • the invention relates to a shutter flap for use in a line of a climate and air conditioning system or a machine smoke extraction system (MRA) comprising on the one hand a frame which forms a rectangular opening for the flow of a gaseous medium, and on the other hand, at least two rectangularly formed fins, wherein each lamella, preferably concurrently with at least one further lamella, is pivotally mounted about a respective pivot axis in the frame between its closed position and its open position, and each lamella has two longitudinal edges aligned parallel to its pivot axis and, on the other hand, two side edges orthogonal to its pivotal axis , wherein the pivot axis, preferably centrally, is arranged between the longitudinal edges, and wherein at least one of the cooperating in the closed position longitudinal edges of adjacent lamellae has a seal.
  • MRA machine smoke extraction system
  • shutter flaps In the closed position of the slats, shutter flaps should close the flow cross-section and prevent the flow of a medium.
  • the slats In known shutter valves, the slats have a rectangular cross-sectional shape. On one of the two longitudinal edges of each lamella over the longitudinal edge projecting lip seal is provided. When pivoting the slats from their open position into the closed position, each lip seal is placed in contact with the longitudinal edge of the adjacent slat.
  • the disadvantage is that applied for a reopening a high torque must be, because when swiveling the folded in one direction lip seals must fold in the other direction.
  • a pressure can act on both sides of a shutter flap. The page on which a pressure acts, so far unpredictable. Due to the lip seals folded over in the closed position, the damper flap with regard to the tightness holds with one side a significantly higher pressure than with the other side.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a damper flap, which is in particular easier to open at least the same tightness and also - if the damper is used as a fire protection component - after the fire within a certain period is still openable.
  • each of the two cooperating in the closed position surfaces of the longitudinal edges of at least one pair of adjacent slats to form a pair of bevelled edges relative to the orthogonal O, which is perpendicular to the plane defined by the respective slat plane E, at an angle ⁇ , the between 10 ° and 60 °, preferably between 25 ° and 40 °, preferably at 30 °, is aligned and that in the closed position, the two faces of this pair of adjacent slats facing each other, in particular parallel, are aligned such that the height of the slat increases in relation to the pivot axis over the width of the blade in the direction of pivoting from the closed position to the open position.
  • the pivot axis is also arranged centrally with respect to the thickness of the respective lamella.
  • the frame may be formed in one piece or for example consist of four mutually perpendicular frame elements.
  • the opening of the shutter flap according to the invention may have a height of up to 3 m and a width of up to 2 m.
  • the height of the slats can be up to 30 cm and the thickness up to 80 mm.
  • the embodiment of the invention allows a homogeneous closing of the slats.
  • the torque required in particular for opening is smaller. Therefore, the drive can be made smaller.
  • Another advantage of the embodiment according to the invention is that the seal (s) is better protected (are) by the oblique orientation of the two surfaces forming a beveled edge pair in the closed position. This is particularly relevant when the shutter flap is used as a fire protection component. If the shutter flap is used as a fire protection component and at least one seal is designed as a hot seal, the oblique orientation after a fire also allows an opening of the slats within a certain period.
  • each lamella is not rectangular, but for example triangular or diamond-shaped, the pivot axis is arranged at the widest point of the lamella in question.
  • the width of the lamella then decreases in both directions.
  • the pivot axis is located in one of the three side edges. The width then decreases continuously in the direction of the two other side edges. Since the lamella does not extend further in the opposite direction, the width here is zero.
  • At least two lamellae may for example be connected via a common coupling element in such a way that upon displacement of the coupling element the position of all the louvers connected to one another via this coupling element is equally variable.
  • the coupling element which is preferably arranged outside the frame, can act directly or indirectly on the pivot axes of the slats coupled to one another.
  • the frame can extend at least in one of the two areas which extend in the closed position of the slats parallel to the upper and lower slats, a stop surface which is oriented so that it is aligned with the surface of the longitudinal edge of the adjacent blade when it is in its closed position, at least approximately parallel to form a bevel pair.
  • the stop surface may for example be part of a stop bar, which is mounted on the inside of the frame.
  • the surface of the longitudinal edge of the adjacent lamella is opposite to the orthogonal O, which is perpendicular to the plane defined by the lamella plane E, at an angle ⁇ , between 10 ° and 60 °, preferably between 25 ° and 40 °, preferably at 30 ° lies, aligned.
  • the abutment surface and the surface of the longitudinal edge of the adjacent lamella are exactly parallel. But it is also a deviation to a maximum of 20 ° possible.
  • the stop surface may, for example, have been produced by milling at an angle ⁇ .
  • all the beveled pairs, in particular with respect to the oblique configuration of the interacting surfaces are the same.
  • the frame may have in at least one of the two areas, which extend in the closed position of the slats parallel to the side edges of the slats, a sealed portion which extends along the side edges of the slats located in the closed position.
  • the seal may, for example, be glued to the portion. But there are also other ways of securing the seal possible.
  • at least one subregion can be bounded on both sides, in particular as a recess.
  • the seal is located within the recess, wherein the seal opposite the recess may be formed above.
  • the seal may for example be glued into the recess. This seal is preferably a cold seal.
  • a cold seal based on a calcium-magnesium-silica chemistry. It has the following chemical composition in wt .-%: SlO 2 61.0-67.0, CaO 27.0-33.0, MgO 2.5-6.5, Al 2 O 3 ⁇ 1.0, Fe 2 O 3 ⁇ 0.6.
  • a cold seal is available, for example, under the name Kerafix® 2000.
  • the cold seal has thermal and physical stability up to the functional limit of 1,100 ° C and is ceramic-free.
  • the melting point is greater than 1,300 ° C. Due to the high melting point, the seal is also suitable for hot sealing. In this way, the area between the frame and the side edges of the slats located in the closed position is sealed.
  • At least one lamella may also have at least one seal in the region of at least one of its two side edges, preferably in the region of its two side edges.
  • At least one seal can be arranged in a recess.
  • the seal protrudes out of the recess only with a partial region. But it is also quite possible that the seal is completely in the recess. With this configuration, it is possible that the seal, for example a cold seal designed as a hollow profile seal, can expand laterally in the recess in the closed position of the associated lamella.
  • Each of the two surfaces of at least one beveled pair may have at least one seal.
  • a pair of oblique edges is understood to mean, on the one hand, the region of the longitudinal edges of two adjacent lamellae and, on the other hand, the region of a frame-side stop surface and the longitudinal edge of the adjacent lamella. If the inclined surface pair is formed by two adjacent lamellae, the two surfaces are the surfaces of the cooperating longitudinal edges of a pair of adjacent lamellae. If the inclined surface pair is formed by a stop surface and the adjacent lamella, these are the two surfaces around the abutment surface and around the surface of the cooperating longitudinal edge of the adjacent lamella.
  • At least one respective seal may be arranged in an at least partially opposite direction in a direction orthogonal to both surfaces.
  • the seals touch in the closed position, provided that the gap is smaller than the extent in which both seals protrude from the respective blade.
  • the seals are each arranged in a recess and preferably protrude from their respective recess only with a partial region, a seal formed as a hot seal can expand in the event of fire into the opposite recess. As a result, a certain toothing is achieved. Due to the oblique orientation of the surfaces of each pair of bevelled edges, however, a later opening of the lamellae is possible even in the case of a foamed-up hot seal.
  • At least one respective seal may be arranged in a direction orthogonal to both surfaces in mutually staggered regions. In such an embodiment, the seals do not touch in the closed position.
  • At least one seal is a heat seal which expands when exposed to heat, preferably a strip-shaped design.
  • At least one hot seal may consist of a laminate based frother.
  • a frother as it is available, for example, under the trade name PROMASEAL®-LW, is designed as a non-pressure-foaming, flexible fire-resistant laminate.
  • PROMASEAL®-LW is designed as a non-pressure-foaming, flexible fire-resistant laminate.
  • the frother exerts no inflation pressure, after the available space is filled in the form of the gap, the expansion process is brought to completion.
  • the slats can therefore also by means of a smaller dimensioned drive can be moved from its closed position back to its open position.
  • At least one seal may be formed as a cold seal such as Kerafix® 2000. If the cold seal is provided, for example, on the lamella, it protrudes at least with a partial area opposite the respective longitudinal edge and / or side edge of the lamella. A cold seal serves to seal a gap against passage.
  • a cold seal such as Kerafix® 2000.
  • At least one cold seal may be formed as a hollow profile seal, in particular as a hollow profile seal having a round or semicircular cross section. Of course, other cross-sectional shapes are conceivable. Thus, the cold seal may also be formed strip-shaped.
  • At least one cold seal may consist of a thermoplastic elastomer (TPE). Such a design is particularly useful when using the cold seal on the lamella.
  • TPE thermoplastic elastomer
  • At least one cold seal for attachment to the lamella on its side facing the lamella or on the abutment surface on its side facing the abutment surface extending over at least a portion of the cold seal, preferably over the entire length of the cold seal Has web, which is insertable into a provided in the longitudinal edge and / or the side edge of the lamella or in the stop surface groove.
  • the web of at least one cold seal may have at least one laterally projecting latching lug which fixes the web in the groove.
  • At least one cold seal may be provided in one surface and at least one hot seal in the other surface.
  • each gap formed between the longitudinal edges of two adjacent lamellae is a cold seal as well as a Associated with hot seal.
  • a pair of oblique edges is understood to mean, on the one hand, the region of the longitudinal edges of two adjacent lamellae and, on the other hand, the region of a frame-side stop surface and the longitudinal edge of the adjacent lamella. If the inclined surface pair is formed by two adjacent lamellae, the two surfaces are the surfaces of the cooperating longitudinal edges of a pair of adjacent lamellae. If the inclined surface pair is formed by a stop surface and the adjacent lamella, the two surfaces are the abutment surface and the surface of the cooperating longitudinal edge of the adjacent lamella.
  • the damper flap can be designed as a smoke control flap.
  • Smoke dampers serve to keep areas in a building, for example an escape area, smoke-free.
  • the area of application of a smoke extraction damper is at a temperature which is between the ambient temperature of the respective smoke-free area (cold smoke extraction) and a temperature of up to 1000 ° C or more (hot smoke extraction).
  • smoke control dampers must on the one hand ensure a cold seal and on the other hand a hot seal. Due to the possibly high temperatures usually consist of the housing, the fins and an arranged on the outside of the housing engine encapsulation of a drive device made of a calcium silicate. Smoke dampers are usually triggered by a smoke detector. Of course, other tripping devices, such.
  • a remote triggering device As a manual triggering device, a remote triggering device or the like, conceivable.
  • the energy to open and close must be permanently applied to the slats.
  • Smoke dampers are designed so that even after release, ie. H. after a pivoting from the open position into the closed position, a subsequent opening, d. H. a pivoting in the open position, is guaranteed. Of course, this also applies to the reverse case.
  • the jalousie flap can also be designed as a fire damper.
  • Fire dampers usually have a metal housing in which the lamellae made of calcium silicate are pivotally mounted.
  • a Fire damper for example, be manually operable.
  • the lamellae in case of fire, ie when the temperature exceeds a value of about 72 ° C, the lamellae from the fixed position after triggering a triggering device, such as a fusible link, by the restoring force, which is provided by the spring, from its open position to its closed position pivoted.
  • every warm seal puffs up.
  • the foamed (s) hot seal (s) now fills (fill) any remaining gap between the frame and the slats and also between two adjacent slats completely.
  • damper flap can also be designed as a combined fire protection and smoke control.
  • the figures show a shutter flap, which is designed as a combined fire protection and smoke control.
  • the damper flap is intended for use in a duct of a not shown air conditioning and ventilation system or a machine smoke extraction system (MRA).
  • MRA machine smoke extraction system
  • the shutter damper comprises a frame 1 which forms a rectangular opening for flowing a gaseous medium.
  • the frame 1 consists of four frame elements which are connected to each other. Furthermore, the shutter flap on ten rectangularly formed fins 2. Side of the frame 1 adjoins a sub-housing 3. Therein, a drive and a displaceable by means of a drive coupling element are arranged. All slats 2 are connected via the coupling element, so that upon displacement of the coupling element, the position of all interconnected via this coupling element slats 2 is equally variable.
  • the coupling element can act directly or indirectly on the pivot axes 4 of the coupled slats 2. In such an embodiment, the slats 2 concurrently, d. H. be pivoted in a common direction.
  • each lamella 2 has two parallel to it Swivel axis 4 aligned longitudinal edges 5 and two orthogonal to its pivot axis 4 aligned side edges 6.
  • Each pivot axis 4 is arranged centrally between the longitudinal edges 5 of its lamella 2 and also centrally with respect to the thickness of its lamella 2.
  • each of the two cooperating in the closed position surfaces of the longitudinal edges 5 of each pair of adjacent slats 2 to form a bevel pair opposite the orthogonal O, which is perpendicular to the plane defined by the respective slat 2 plane E, at an angle ⁇ of 30 ° aligned.
  • the two surfaces of each pair of adjacent lamellae 2 facing each other and in the illustrated embodiment are aligned parallel to each other.
  • the height h 1 of the slat 2 in relation to the pivot axis 4 increases over the width of the slat 2 to the height h 2 of the slat 2 in the direction of pivoting (arrow V) from the illustrated closed position to the open position, not shown.
  • the frame 1 in its upper and in its lower region, which extend in the closed position of the slats 2 parallel to the upper and lower slat 2, a stop surface 7.
  • Each abutment surface 7 is part of a stop bar 8 mounted on the inside of the frame 1.
  • Each abutment surface 7 is aligned so as to be parallel with the surface of the longitudinal edge 5 of the adjacent plate 2 when in its closed position to form a pair of beveled edges is.
  • Each of the two surfaces of all pairs of beveled edges each have a seal.
  • a pair of oblique edges is understood to mean, on the one hand, the region of the longitudinal edges 5 of two adjacent lamellae 2 and, on the other hand, the region of a frame-side stop surface 7 and the longitudinal edge 5 of the adjacent lamella 2.
  • each bevel pair has a seal formed as a cold seal 9, while in the closed position in the downward facing surface as a seal, a hot seal 10 is provided.
  • the two seals are arranged in opposite directions in all oblique edge pairs in a direction orthogonal to both surfaces.
  • the two seals 9, 10 therefore touch each other in the closed position.
  • the strip-shaped thermal seal 10 is arranged in a recess 11 in the surface or the frame-side stop surface 7 and protrudes with only a portion of the recess 11 out.
  • Each arranged on the slats 2 cold seal 9 is formed as a hollow profile seal with a round cross section and consists of a thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • a web 12 extending over the entire length of the cold seal 9 is provided on its side facing the lamella 2, said lug 12 being insertable into a groove 13 provided in the longitudinal edge 5 of the lamella 2 or in the stop surface 7.
  • the web 12 has on both sides laterally projecting locking lugs 14.
  • the groove 13 is introduced into a recess 11, so that the hollow profile seal protrudes from the recess 11 only with a partial region.
  • the frame 1 in both areas, which extend in the closed position of the slats 2 parallel to the side edges 6 of the slats 2, provided with a seal 9 portion 15 on.
  • This portion 15 extends along the side edges 6 of the slats located in the closed position 2.
  • the seal 9 is glued only in the partial area 15 and not - as the seal 10 in the two areas which extend in the closed position of the slats 2 parallel to the upper and lower slats 2 - arranged in a recess 11.
  • the applied on the inside of the frame 2 seal is formed as a strip-shaped cold seal 9.
  • This applied here cold seal 9 is based on a calcium-magnesium-silica chemistry.
  • Such a cold seal 9 is available for example under the name Kerafix® 2000, Kerafix® 2000 also causes a hot seal.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Special Wing (AREA)
  • Air-Flow Control Members (AREA)
EP17166224.0A 2016-09-22 2017-04-12 Registre destiné à être utilisé dans une conduite d'une installation de ventilation et de climatisation ou d'une installation de désenfumage mécanique Active EP3299740B9 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016105288.2U DE202016105288U1 (de) 2016-09-22 2016-09-22 Jalousieklappe für den Einsatz in einer Leitung einer klima- und raumlufttechnischen Anlage oder einer maschinellen Entrauchungsanlage

Publications (3)

Publication Number Publication Date
EP3299740A1 true EP3299740A1 (fr) 2018-03-28
EP3299740B1 EP3299740B1 (fr) 2020-02-12
EP3299740B9 EP3299740B9 (fr) 2020-07-22

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ID=58547356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17166224.0A Active EP3299740B9 (fr) 2016-09-22 2017-04-12 Registre destiné à être utilisé dans une conduite d'une installation de ventilation et de climatisation ou d'une installation de désenfumage mécanique

Country Status (4)

Country Link
EP (1) EP3299740B9 (fr)
DE (1) DE202016105288U1 (fr)
DK (1) DK3299740T5 (fr)
ES (1) ES2791065T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020122996A1 (de) 2020-09-03 2022-03-03 Vaillant Gmbh Verfahren zum Abtauen einer der Umgebungsluft ausgesetzten Komponente und Vorrichtungen zur Durchführung des Verfahrens

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738893A (zh) * 2022-04-27 2022-07-12 重庆交通职业学院 一种建筑通风结构
DE202023100853U1 (de) 2023-02-23 2024-06-17 Wildeboer Bauteile Gmbh Brandschutz- und Entrauchungseinrichtung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708109A1 (de) * 1977-02-25 1978-08-31 Schako Metallwarenfabrik Feuerschutzklappe fuer kanaele von klima- und belueftungsanlagen
US4219185A (en) 1978-05-16 1980-08-26 Prefco Products, Inc. Rotating blade fire damper
GB2212900A (en) 1987-11-27 1989-08-02 Flamgard Fire damper
DE19947056A1 (de) 1999-09-30 2001-04-05 Janich Gmbh & Co Regel- und Absperrklappe
WO2007068786A1 (fr) 2005-12-13 2007-06-21 Fläkt Woods AB Obturateur coupe-feu
KR101080692B1 (ko) 2011-06-21 2011-11-08 (주)동아풍력 방화 댐퍼
US20140008561A1 (en) * 2012-07-06 2014-01-09 Joseph Dean Enke Damper blade seal system
PL221312B1 (pl) 2009-04-24 2016-03-31 Mercor Spółka Akcyjna Przegroda przeciwpożarowa
US20160116184A1 (en) * 2014-10-28 2016-04-28 T.A. Morrison & Company, Inc. Damper with integrated blade stop

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708109A1 (de) * 1977-02-25 1978-08-31 Schako Metallwarenfabrik Feuerschutzklappe fuer kanaele von klima- und belueftungsanlagen
US4219185A (en) 1978-05-16 1980-08-26 Prefco Products, Inc. Rotating blade fire damper
GB2212900A (en) 1987-11-27 1989-08-02 Flamgard Fire damper
DE19947056A1 (de) 1999-09-30 2001-04-05 Janich Gmbh & Co Regel- und Absperrklappe
WO2007068786A1 (fr) 2005-12-13 2007-06-21 Fläkt Woods AB Obturateur coupe-feu
PL221312B1 (pl) 2009-04-24 2016-03-31 Mercor Spółka Akcyjna Przegroda przeciwpożarowa
KR101080692B1 (ko) 2011-06-21 2011-11-08 (주)동아풍력 방화 댐퍼
US20140008561A1 (en) * 2012-07-06 2014-01-09 Joseph Dean Enke Damper blade seal system
US20160116184A1 (en) * 2014-10-28 2016-04-28 T.A. Morrison & Company, Inc. Damper with integrated blade stop

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020122996A1 (de) 2020-09-03 2022-03-03 Vaillant Gmbh Verfahren zum Abtauen einer der Umgebungsluft ausgesetzten Komponente und Vorrichtungen zur Durchführung des Verfahrens
EP3964761A1 (fr) 2020-09-03 2022-03-09 Vaillant GmbH Procédé de dégivrage d'un composant exposé à l'air ambiant et dispositifs de mise en uvre du procédé

Also Published As

Publication number Publication date
EP3299740B1 (fr) 2020-02-12
DK3299740T5 (da) 2020-08-31
EP3299740B9 (fr) 2020-07-22
ES2791065T3 (es) 2020-10-30
DE202016105288U1 (de) 2018-01-09
DK3299740T3 (da) 2020-05-11

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