EP2904273B1 - Fan and associated support element - Google Patents

Fan and associated support element Download PDF

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Publication number
EP2904273B1
EP2904273B1 EP13765673.2A EP13765673A EP2904273B1 EP 2904273 B1 EP2904273 B1 EP 2904273B1 EP 13765673 A EP13765673 A EP 13765673A EP 2904273 B1 EP2904273 B1 EP 2904273B1
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EP
European Patent Office
Prior art keywords
hinge
fan
hinge part
fastening ring
wall
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
EP13765673.2A
Other languages
German (de)
French (fr)
Other versions
EP2904273A1 (en
Inventor
Thomas Heli
Peter Riegler
Jörg GÜNTHER
Gheorghe-Mircea Seculi
Christoph Korinth
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.)
Ebm Papst Mulfingen GmbH and Co KG
Kelvion Refrigeration GmbH
Original Assignee
Ebm Papst Mulfingen GmbH and Co KG
Kelvion Refrigeration 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.)
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Publication date
Application filed by Ebm Papst Mulfingen GmbH and Co KG, Kelvion Refrigeration GmbH filed Critical Ebm Papst Mulfingen GmbH and Co KG
Publication of EP2904273A1 publication Critical patent/EP2904273A1/en
Application granted granted Critical
Publication of EP2904273B1 publication Critical patent/EP2904273B1/en
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Classifications

    • 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
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/068—Mechanical details of the pump control 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0693—Details or arrangements of the wiring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • 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
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • 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
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • 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
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans

Definitions

  • the present invention relates according to the preamble of claim 1, a fan, in particular axial fan, with a support member having a wall ring and a content Erten in the wall ring electrical fan motor with a fan impeller.
  • the invention also relates to a support element for such a fan.
  • Fans are often used in refrigeration and air conditioning technology to promote air through heat exchangers.
  • a fan is mounted via its carrier element on a mounting wall in the region in front of a wall opening in such a way that the heat exchanger arranged behind the wall opening is flowed through by the air conveyed by the fan.
  • heat exchangers must be cleaned after certain operating times.
  • EP 1 739 367 A1 discloses a fan assembly for use in air conditioning.
  • the fan assembly includes a plurality of axial fans arranged in pairs in a carrier.
  • the carriers are held pivotably about their longitudinal axis in a frame. By independently pivoting the carriers about their longitudinal axis, the direction of the Fluid flow adjustable.
  • the electrical connection of the axial fans takes place within the frame to which the carriers are attached.
  • US 2,697,163 discloses a fan, which is held with its wall ring pivotally about a hinge in a housing.
  • the housing is used for fixed mounting, so that after assembly of the fan, for example, for maintenance purposes, can be swung out of the housing.
  • the electrical connection of the fan is via a terminal box on the housing.
  • US 4,838,151 discloses a fan which is arranged between two pivotable frame plates.
  • the pivot axis of the frame plates is arranged orthogonal to the axis of rotation of the fan, wherein the frame plates are movable independently of each other.
  • the frame plates are used to mount the fan in a building opening, z. B. a window, and at the same time the closure of the remaining part of the building opening.
  • JP 2000 303998 A discloses a fan with a wall ring, wherein within the wall ring a groove for guiding connection lines, in particular of the motor, is provided.
  • the groove can be closed, for example, with a closure element which is pivotably held on the wall ring, so that a reliable holding of the connecting lines is ensured.
  • WO 93/02291 A1 discloses a fan mountable in a pipeline.
  • the fan or the impeller with a part of the wall ring from the region of the pipeline can be swung out.
  • the fan is electrically connected via an interface, which is automatically separated when swinging out the fan or the wall ring and connected when swinging back.
  • US 749,685 discloses a fan, in particular an axial fan, which is mountable within a pipeline. For maintenance purposes, the fan is held so pivotable that it can be swung out of the region of the pipeline.
  • the present invention is based on the object to improve a fan of the type described so that the maintenance work described above are further simplified.
  • the wall ring has at its outer periphery a hinge which consists of a fixedly connected to the wall ring first hinge part and a pivotable relative to the first hinge part about a hinge axis second hinge part, wherein the second hinge part as a terminal box for receiving electrical Connection connections is formed, and wherein the two hinge parts in the direction of the hinge axis aligned bearing mounts on the one hand and bearing journals on the other hand, which are joined together in a direction perpendicular to the hinge axis joining direction.
  • the second hinge part is also attached to the respective mounting wall in the area next to the wall opening needs for later maintenance only the wall ring to be detached from the wall, but remains connected via the hinge and the terminal box to the mounting wall, so that a complete disassembly is omitted ,
  • the entire fan can then be pivoted about the hinged hinge suspension of the wall ring easily and comfortably in the manner of a hinged lid or a door from the wall opening away. It is unnecessary a complex complete disassembly and reassembly of the fan.
  • the heat exchanger is thus freely accessible for cleaning.
  • only the fan needs to be swung back in front of the wall opening and the wall ring to be fixed to the wall.
  • a fan 1 is designed as an axial fan.
  • the fan 1 has a carrier element 2 with a so-called wall ring 4.
  • an electric fan motor 6 is fixed with a fan impeller 8.
  • the fan 1 via its wall ring 4 on a mounting wall 10 in the region in front of a wall opening 12 can be fastened, to which the wall ring 4 preferably has a flange-like holding portion 14 with mounting holes 16.
  • the wall ring 4 has a hinge 20 at a location of its outer periphery.
  • This hinge 20 consists of a fixed to the wall ring 4, in particular integrally connected first hinge part 22 and a relative to the first hinge part 22 about a hinge axis X pivotable second hinge part 24.
  • the hinge axis X preferably extends tangentially to the wall ring 4 or - as shown - offset to a tangent to the wall ring 4 parallel outwards and in a ring plane defined by the wall ring 4.
  • the second hinge part 24 is designed as a terminal box 26, this terminal box 26 having electrical connection connectors 27 (FIG. Fig. 1 and 6 ) to connect includes leading to the fan motor 6 motor lines with external leads.
  • the terminal box 26 will be described in more detail below.
  • the first hinge part 22 is preferably formed with the wall ring 4 as a one-piece molded part, in particular made of plastic.
  • the two hinge parts 22, 24 aligned in the direction of the hinge axis X bearing receivers 28 on the one hand and bearing pin 30 on the other.
  • the bearing journals 30 are inserted into the bearing receptacles 28 in a joining direction perpendicular to the hinge axis X.
  • the bearing receivers 28 are designed as open bearing shells corresponding to the joining direction.
  • the second hinge part 24 has a plurality of, extending perpendicular to the hinge axis X towards the lugs 32 with two opposing axial bearing journals 30, each journal projection 32 between two receiving projections 34 of the first hinge part 22 and with its bearing pin 30 in opposite, corresponding bearing mounts 28 of the Recording lugs 34 engages.
  • the second hinge part 24 additionally engages with lateral bearing receivers 36 axial bearing pin 38 of the first hinge part 22nd
  • the terminal box 26 forming the second hinge part 24 has two times two pin bosses 32, so that the hinge 20 has a total of four pin bosses 32, each with two bearing pins 30.
  • the hinged parts 22, 24 assembled perpendicular to the hinge axis X via latching means 40 (see Fig. 4 ) against loosening, so that the Hinge parts 22, 24 already in the delivery state of the fan 1 before its attachment to a mounting wall 10 are securely held together.
  • latching means 40 may be formed by resilient locking lugs 42 of the first hinge part 22, wherein the locking lugs 42 are arranged and designed so that they engage behind the pin projections 32 of the second hinge part 24 after joining the hinge parts 22, 24.
  • each bearing pin 30 - see in particular Fig. 4 - Has a lateral flattening 44, through which reduces the cross section of the bearing pin 30 relative to the region without flattening 44.
  • Each cup-shaped bearing receptacle 28 in this case has a corresponding to the cross section of the bearing pin 30 in the region of the flattening 44 narrow insertion opening.
  • the second hinge part 24 can be attached to the mounting wall 10 in the area adjacent to the wall opening 12.
  • the second hinge part 24 and the terminal box 26 in the region of a bottom 45 mounting holes 46 for fastening screws, not shown, see Fig. 1 ,
  • the entire fan 1 - after loosening the wall ring 4 of the mounting wall 10 - in the manner of a door - see Fig. 5 - Are pivoted away from the wall opening 12.
  • the first hinge part 22 with the wall ring 4 no longer solve the second hinge part 24, because the receiving lugs 34 with the Bearing mounts 28 are held on the pin approaches 32 with the bearing pin 30 against loosening.
  • the wall ring 4 in a circumferentially particularly central region of the first hinge part 22 has at least one cable insertion opening 48 for a leading to the fan motor 6 motor cable (not shown).
  • two insertion openings 48 are preferably provided.
  • the corresponding motor lines are from the interior of the terminal box 26 in particular by the bottom 45 and according to Fig. 1 guided by lateral passages 50 in the direction of the wall ring 4 and through the respective insertion opening 48.
  • the second hinge part 24 is preferably formed in one piece with a box lower part 52 of the terminal box 26, in particular as a plastic molded part.
  • the terminal box 26 or its lower part 52 has a box opening 56 which is tightly closed or closable with a cover 54.
  • the terminal box 26 has in its hinge 20 facing the front side region over an inclined surface 58 of the lid 54 reduced box depth. This is especially on Fig. 6 directed.
  • this inclined surface 58 advantageously increases the pivoting range of the first hinge part 22 with the wall ring 4, because by the inclined surface 58, a free space to avoid collisions with the pivoted fan 1 is created.
  • the terminal box 26 has at least one line lead-through 62 in a side wall of the lower part 52 for the sealed cable feedthrough.

Description

Die vorliegende Erfindung betrifft gemäß dem Oberbegriff des Anspruchs 1 einen Ventilator, insbesondere Axialventilator, mit einem Trägerelement mit einem Wandring und einem in dem Wandring gehalterten elektrischen Ventilatormotor mit einem Ventilator-Laufrad.The present invention relates according to the preamble of claim 1, a fan, in particular axial fan, with a support member having a wall ring and a content Erten in the wall ring electrical fan motor with a fan impeller.

Ferner betrifft die Erfindung auch ein Trägerelement für einen solchen Ventilator.Furthermore, the invention also relates to a support element for such a fan.

Ventilatoren, insbesondere Axialventilatoren, werden häufig in der Kälte- und Klimatechnik eingesetzt, um Luft durch Wärmetauscher zu fördern. Dazu wird jeweils ein Ventilator über sein Trägerelement an einer Montagewandung im Bereich vor einer Wandungsöffnung so montiert, dass der hinter der Wandungsöffnung angeordnete Wärmetauscher mit der vom Ventilator geförderten Luft durchströmt wird. Aus hygienischen Gründen müssen solche Wärmetauscher nach bestimmten Betriebszeiten gereinigt werden. Dazu war es bisher erforderlich, den Ventilator mit seinem Trägerelement gänzlich zu demontieren, das heißt den so genannten Wandring von der Montagewand zu entfernen, um den Wärmetauscher zur Reinigung zugänglich zu machen. Dies führte zu einem hohen Zeit- und Arbeitsaufwand.Fans, especially axial fans, are often used in refrigeration and air conditioning technology to promote air through heat exchangers. For this purpose, in each case a fan is mounted via its carrier element on a mounting wall in the region in front of a wall opening in such a way that the heat exchanger arranged behind the wall opening is flowed through by the air conveyed by the fan. For reasons of hygiene, such heat exchangers must be cleaned after certain operating times. For this purpose, it has hitherto been necessary to disassemble the fan completely with its carrier element, that is to remove the so-called wall ring from the mounting wall in order to make the heat exchanger accessible for cleaning. This resulted in a high time and effort.

EP 1 739 367 A1 offenbart beispielsweise eine Ventilatoranordnung für die Anwendung in der Klimatechnik. Die Ventilatoranordnung umfasst eine Mehrzahl an Axialventilatoren, die paarweise in einem Träger angeordnet sind. Die Träger sind um ihre Längsachse schwenkbar in einem Rahmen gehalten. Durch ein unabhängiges Schwenken der Träger um ihre Längsachse ist die Richtung des Fluidstroms einstellbar. Der elektrische Anschluss der Axialventilatoren erfolgt innerhalb des Rahmens, an dem die Träger befestigt sind. EP 1 739 367 A1 For example, discloses a fan assembly for use in air conditioning. The fan assembly includes a plurality of axial fans arranged in pairs in a carrier. The carriers are held pivotably about their longitudinal axis in a frame. By independently pivoting the carriers about their longitudinal axis, the direction of the Fluid flow adjustable. The electrical connection of the axial fans takes place within the frame to which the carriers are attached.

US 2,697,163 offenbart einen Ventilator, der mit seinem Wandring um ein Scharnier schwenkbar in einem Gehäuse gehalten ist. Das Gehäuse dient der ortsfesten Montage, so dass nach der Montage der Ventilator, beispielsweise zu Wartungszwecken, aus dem Gehäuse herausgeschwenkt werden kann. Der elektrische Anschluss des Ventilators erfolgt über einen Klemmenkasten am Gehäuse. US 2,697,163 discloses a fan, which is held with its wall ring pivotally about a hinge in a housing. The housing is used for fixed mounting, so that after assembly of the fan, for example, for maintenance purposes, can be swung out of the housing. The electrical connection of the fan is via a terminal box on the housing.

US 4,838,151 offenbart einen Ventilator, der zwischen zwei schwenkbaren Rahmenplatten angeordnet ist. Die Schwenkachse der Rahmenplatten ist dabei orthogonal zur Drehachse des Ventilators angeordnet, wobei die Rahmenplatten unabhängig voneinander bewegbar sind. Die Rahmenplatten dienen der Montage des Ventilators in einer Gebäudeöffnung, z. B. einem Fenster, und gleichzeitig dem Verschluss des verbleibenden Teils der Gebäudeöffnung. US 4,838,151 discloses a fan which is arranged between two pivotable frame plates. The pivot axis of the frame plates is arranged orthogonal to the axis of rotation of the fan, wherein the frame plates are movable independently of each other. The frame plates are used to mount the fan in a building opening, z. B. a window, and at the same time the closure of the remaining part of the building opening.

JP 2000 303998 A offenbart einen Ventilator mit einem Wandring, wobei innerhalb des Wandrings eine Nut zur Führung von Anschlussleitungen, insbesondere des Motors, vorgesehen ist. Die Nut ist beispielsweise mit einem schwenkbar am Wandring gehaltenen Verschlusselement verschließbar, so dass eine zuverlässige Halterung der Anschlussleitungen gewährleistet ist. JP 2000 303998 A discloses a fan with a wall ring, wherein within the wall ring a groove for guiding connection lines, in particular of the motor, is provided. The groove can be closed, for example, with a closure element which is pivotably held on the wall ring, so that a reliable holding of the connecting lines is ensured.

WO 93/02291 A1 offenbart einen Ventilator, der in einer Rohrleitung montierbar ist. Zu Wartungszwecken ist der Ventilator bzw. das Laufrad mit einem Teil des Wandrings aus dem Bereich der Rohrleitung herausschwenkbar. Der elektrische Anschluss des Ventilators erfolgt über eine Schnittstelle, die beim Herausschwenken des Ventilators bzw. des Wandrings automatisch ausgetrennt und beim Zurückschwenken verbunden wird. WO 93/02291 A1 discloses a fan mountable in a pipeline. For maintenance purposes, the fan or the impeller with a part of the wall ring from the region of the pipeline can be swung out. The fan is electrically connected via an interface, which is automatically separated when swinging out the fan or the wall ring and connected when swinging back.

US 749,685 offenbart einen Ventilator, insbesondere einen Axialventilator, der innerhalb einer Rohrleitung montierbar ist. Zu Wartungszwecken ist der Ventilator derart schwenkbar gehalten, dass er aus dem Bereich der Rohrleitung herausschwenkbar ist. US 749,685 discloses a fan, in particular an axial fan, which is mountable within a pipeline. For maintenance purposes, the fan is held so pivotable that it can be swung out of the region of the pipeline.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, einen Ventilator der beschriebenen Art so zu verbessern, dass die zuvor beschriebenen Wartungsarbeiten weiter vereinfacht werden.The present invention is based on the object to improve a fan of the type described so that the maintenance work described above are further simplified.

Erfindungsgemäß wird dies durch die Merkmale des unabhängigen Anspruchs 1 erreicht. Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen sowie in der anschließenden Beschreibung enthalten. Ein spezielles Trägerelement für den erfindungsgemäßen Ventilator ist Gegenstand der Ansprüche 16 und 17.This is achieved by the features of independent claim 1 according to the invention. Advantageous embodiments of the invention are contained in the dependent claims and in the subsequent description. A special carrier element for the fan according to the invention is the subject matter of claims 16 and 17.

Demnach ist erfindungsgemäß vorgesehen, dass der Wandring an seinem Außenumfang ein Scharnier aufweist, welches aus einem mit dem Wandring fest verbundenen ersten Scharnierteil und einem relativ zu dem ersten Scharnierteil um eine Scharnierachse schwenkbaren zweiten Scharnierteil besteht, wobei das zweite Scharnierteil als Klemmenkasten zur Aufnahme von elektrischen Anschlussverbindungen ausgebildet ist, und wobei die beiden Scharnierteile in Richtung der Scharnierachse zueinander fluchtende Lageraufnahmen einerseits und Lagerzapfen andererseits aufweisen, die in einer zur Scharnierachse senkrechten Fügerichtung zusammengefügt sind. Indem das zweite Scharnierteil ebenfalls an der jeweiligen Montagewand im Bereich neben der Wandungsöffnung befestigt wird, braucht für spätere Wartungsarbeiten nur der Wandring von der Wandung gelöst zu werden, bleibt aber über das Scharnier und den Klemmenkasten mit der Montagewand verbunden, so dass eine vollständige Demontage entfällt. Der gesamte Ventilator kann dann über die gelenkige Scharnier-Aufhängung des Wandrings einfach und komfortabel nach Art eines Klappdeckels bzw. einer Tür von der Wandungsöffnung weg geschwenkt werden. Es erübrigt sich eine aufwändige komplette Demontage und Wieder-Montage des Ventilators. Der Wärmetauscher ist so zur Reinigung frei zugänglich. Abschließend braucht nur noch der Ventilator wieder vor die Wandungsöffnung zurückgeschwenkt und der Wandring an der Wand fixiert zu werden.Accordingly, the invention provides that the wall ring has at its outer periphery a hinge which consists of a fixedly connected to the wall ring first hinge part and a pivotable relative to the first hinge part about a hinge axis second hinge part, wherein the second hinge part as a terminal box for receiving electrical Connection connections is formed, and wherein the two hinge parts in the direction of the hinge axis aligned bearing mounts on the one hand and bearing journals on the other hand, which are joined together in a direction perpendicular to the hinge axis joining direction. By the second hinge part is also attached to the respective mounting wall in the area next to the wall opening needs for later maintenance only the wall ring to be detached from the wall, but remains connected via the hinge and the terminal box to the mounting wall, so that a complete disassembly is omitted , The entire fan can then be pivoted about the hinged hinge suspension of the wall ring easily and comfortably in the manner of a hinged lid or a door from the wall opening away. It is unnecessary a complex complete disassembly and reassembly of the fan. The heat exchanger is thus freely accessible for cleaning. Finally, only the fan needs to be swung back in front of the wall opening and the wall ring to be fixed to the wall.

Anhand eines in der Zeichnung veranschaulichten, bevorzugten Ausführungsbeispiels soll die Erfindung im Folgenden weitergehend erläutert werden. Es zeigen:

Fig. 1
eine Perspektivansicht eines erfindungsgemäßen Ventilators mit einem Trägerelement und einem erfindungsgemäßen Scharnier,
Fig. 2
eine weitere Perspektivansicht des Ventilators gemäß Fig. 1 aus einer anderen Blickrichtung und in Explosionsdarstellung des Scharniers,
Fig. 3
eine Ausschnittvergrößerung des Bereiches III in Fig. 2,
Fig. 4
eine Ansicht wie in Fig. 3, jedoch in einer anderen Blickrichtung,
Fig. 5
eine Perspektivansicht des Ventilators in einem Montagezustand zusammen mit einer Montagewand und mit über das Scharnier verschwenktem Ventilator,
Fig. 6
einen Querschnitt durch den das zweite Scharnierteil bildenden Klemmenkasten mit geöffnetem Deckel analog zu Fig. 1,
Fig. 7
eine gesonderte Perspektivansicht des Deckels auf dessen Außenseite und
Fig. 8
eine Ansicht auf die Innenseite des Deckels.
With reference to a preferred embodiment illustrated in the drawing, the invention will be explained in more detail below. Show it:
Fig. 1
a perspective view of a fan according to the invention with a support member and a hinge according to the invention,
Fig. 2
another perspective view of the fan according to Fig. 1 from a different angle and in an exploded view of the hinge,
Fig. 3
a detail enlargement of the area III in Fig. 2 .
Fig. 4
a view like in Fig. 3 but in a different perspective,
Fig. 5
a perspective view of the fan in a mounting state together with a mounting wall and with the fan pivoted over the hinge,
Fig. 6
a cross section through the second hinge part forming terminal box with the lid open analogous to Fig. 1 .
Fig. 7
a separate perspective view of the lid on the outside and
Fig. 8
a view on the inside of the lid.

In den verschiedenen Figuren der Zeichnung sind gleiche Teile stets mit den gleichen Bezugszeichen versehen.In the various figures of the drawing, like parts are always provided with the same reference numerals.

Zu der anschließenden Beschreibung wird ausdrücklich betont, dass die Erfindung nicht auf die Ausführungsbeispiele und dabei nicht auf alle oder mehrere Merkmale von beschriebenen Merkmalskombinationen beschränkt ist, vielmehr kann jedes einzelne Teilmerkmal des/jedes Ausführungsbeispiels auch losgelöst von allen anderen im Zusammenhang damit beschriebenen Teilmerkmalen für sich und auch in Kombination mit beliebigen Merkmalen eines anderen Ausführungsbeispiels sowie auch unabhängig von den Merkmalskombinationen und Rückbeziehungen der Ansprüche eine erfinderische Bedeutung haben.For the following description, it is expressly emphasized that the invention is not limited to the exemplary embodiments and not to all or several features of described combinations of features, but each individual feature of the / each embodiment can also be detached from all other partial features described in connection therewith and also in combination with any features of another embodiment as well as independently of the feature combinations and relationships of the claims have an inventive meaning.

Wie sich zunächst aus Fig. 1 ergibt, ist bei dem dargestellten, bevorzugten Ausführungsbeispiel ein Ventilator 1 als Axialventilator ausgebildet. Der Ventilator 1 weist ein Trägerelement 2 mit einem so genannten Wandring 4 auf. Zentrisch in dem Wandring 4 ist ein elektrischer Ventilatormotor 6 mit einem Ventilator-Laufrad 8 befestigt.As it turned out first Fig. 1 results in the illustrated, preferred embodiment, a fan 1 is designed as an axial fan. The fan 1 has a carrier element 2 with a so-called wall ring 4. Centrally in the wall ring 4, an electric fan motor 6 is fixed with a fan impeller 8.

Gemäß Fig. 5 ist der Ventilator 1 über seinen Wandring 4 an einer Montagewand 10 im Bereich vor einer Wandungsöffnung 12 befestigbar, wozu der Wandring 4 bevorzugt einen flanschartigen Halteabschnitt 14 mit Montagelöchern 16 aufweist.According to Fig. 5 the fan 1 via its wall ring 4 on a mounting wall 10 in the region in front of a wall opening 12 can be fastened, to which the wall ring 4 preferably has a flange-like holding portion 14 with mounting holes 16.

Erfindungsgemäß weist der Wandring 4 an einer Stelle seines Außenumfangs ein Scharnier 20 auf. Dieses Scharnier 20 besteht aus einem mit dem Wandring 4 fest, insbesondere einstückig verbundenen ersten Scharnierteil 22 und einem relativ zu dem ersten Scharnierteil 22 um eine Scharnierachse X schwenkbaren zweiten Scharnierteil 24. Die Scharnierachse X verläuft bevorzugt tangential zu dem Wandring 4 oder - wie dargestellt - zu einer Tangente zu dem Wandring 4 parallel nach außen versetzt und in einer von dem Wandring 4 definierten Ringebene. Das zweite Scharnierteil 24 ist als Klemmenkasten 26 ausgebildet, wobei dieser Klemmenkasten 26 elektrische Anschlussverbinder 27 (Fig. 1 und 6) zum Verbinden von zu dem Ventilatormotor 6 führenden Motorleitungen mit äußeren Anschlussleitungen enthält. Der Klemmenkasten 26 wird weiter unten noch genauer beschrieben.According to the invention, the wall ring 4 has a hinge 20 at a location of its outer periphery. This hinge 20 consists of a fixed to the wall ring 4, in particular integrally connected first hinge part 22 and a relative to the first hinge part 22 about a hinge axis X pivotable second hinge part 24. The hinge axis X preferably extends tangentially to the wall ring 4 or - as shown - offset to a tangent to the wall ring 4 parallel outwards and in a ring plane defined by the wall ring 4. The second hinge part 24 is designed as a terminal box 26, this terminal box 26 having electrical connection connectors 27 (FIG. Fig. 1 and 6 ) to connect includes leading to the fan motor 6 motor lines with external leads. The terminal box 26 will be described in more detail below.

Das erste Scharnierteil 22 ist mit dem Wandring 4 bevorzugt als einstückiges Formteil insbesondere aus Kunststoff ausgebildet.The first hinge part 22 is preferably formed with the wall ring 4 as a one-piece molded part, in particular made of plastic.

Wie sich insbesondere aus den Ausschnittvergrößerungen in Fig. 3 und 4 ergibt, weisen die beiden Scharnierteile 22, 24 in Richtung der Scharnierachse X fluchtende Lageraufnahmen 28 einerseits und Lagerzapfen 30 andererseits auf. Dabei sind die Lagerzapfen 30 in einer zur Scharnierachse X senkrechten Fügerichtung in die Lageraufnahmen 28 eingesetzt. Dazu sind die Lageraufnahmen 28 als entsprechend der Fügerichtung offene Lagerschalen ausgebildet. Das zweite Scharnierteil 24 weist mehrere, sich senkrecht zur Scharnierachse X hin erstreckende Zapfenansätze 32 mit jeweils zwei entgegengesetzten axialen Lagerzapfen 30 auf, wobei jeder Zapfenansatz 32 verzahnungsartig zwischen zwei Aufnahmeansätze 34 des ersten Scharnierteils 22 und mit seinen Lagerzapfen 30 in gegenüberliegende, korrespondierende Lageraufnahmen 28 der Aufnahmeansätze 34 eingreift. In bevorzugter Ausgestaltung übergreift das zweite Scharnierteil 24 zusätzlich mit seitlichen Lageraufnahmen 36 axiale Lagerzapfen 38 des ersten Scharnierteils 22.As can be seen in particular from the detail enlargements in 3 and 4 shows, the two hinge parts 22, 24 aligned in the direction of the hinge axis X bearing receivers 28 on the one hand and bearing pin 30 on the other. The bearing journals 30 are inserted into the bearing receptacles 28 in a joining direction perpendicular to the hinge axis X. For this purpose, the bearing receivers 28 are designed as open bearing shells corresponding to the joining direction. The second hinge part 24 has a plurality of, extending perpendicular to the hinge axis X towards the lugs 32 with two opposing axial bearing journals 30, each journal projection 32 between two receiving projections 34 of the first hinge part 22 and with its bearing pin 30 in opposite, corresponding bearing mounts 28 of the Recording lugs 34 engages. In a preferred embodiment, the second hinge part 24 additionally engages with lateral bearing receivers 36 axial bearing pin 38 of the first hinge part 22nd

Bevorzugt weist der das zweite Scharnierteil 24 bildende Klemmenkasten 26 zwei mal zwei Zapfenansätze 32 auf, so dass das Scharnier 20 insgesamt vier Zapfenansätze 32 mit je zwei Lagerzapfen 30 aufweist. Somit liegen insgesamt acht Lagerzapfen 30 in korrespondierenden Lageraufnahmen 28 in Richtung der Scharnierachse X hintereinander. Daraus resultiert durch eine große Lagerlänge eine hohe mechanische Stabilität des Scharniers 20, welches dadurch auch für große und schwere Ventilatoren 1 geeignet ist.Preferably, the terminal box 26 forming the second hinge part 24 has two times two pin bosses 32, so that the hinge 20 has a total of four pin bosses 32, each with two bearing pins 30. Thus, a total of eight bearing pins 30 in corresponding bearing receptacles 28 in the direction of the hinge axis X in a row. This results in a high bearing length, a high mechanical stability of the hinge 20, which is thus suitable for large and heavy fans 1.

Vorzugsweise sind die senkrecht zur Scharnierachse X zusammengefügten Scharnierteile 22, 24 über Rastmittel 40 (siehe Fig. 4) gegen Lösen fixiert, damit die Scharnierteile 22, 24 schon im Auslieferzustand des Ventilators 1 vor dessen Befestigung an einer Montagewand 10 sicher zusammengehalten werden. Wie sich aus Fig. 4 ergibt, können diese Rastmittel 40 von federelastischen Rastansätzen 42 des ersten Scharnierteils 22 gebildet sein, wobei die Rastansätze 42 so angeordnet und ausgebildet sind, dass sie nach dem Zusammenfügen der Scharnierteile 22, 24 die Zapfenansätze 32 des zweiten Scharnierteils 24 rastend hintergreifen.Preferably, the hinged parts 22, 24 assembled perpendicular to the hinge axis X via latching means 40 (see Fig. 4 ) against loosening, so that the Hinge parts 22, 24 already in the delivery state of the fan 1 before its attachment to a mounting wall 10 are securely held together. As it turned out Fig. 4 results, these locking means 40 may be formed by resilient locking lugs 42 of the first hinge part 22, wherein the locking lugs 42 are arranged and designed so that they engage behind the pin projections 32 of the second hinge part 24 after joining the hinge parts 22, 24.

Zusätzlich ist in bevorzugter Ausgestaltung vorgesehen, dass die Scharnierteile 22, 24 in nur einer definierten relativen Schwenkstellung zusammenfügbar und trennbar sind. Bei dem dargestellten Ausführungsbeispiel wird dies dadurch erreicht, dass jeder Lagerzapfen 30 - siehe dazu insbesondere Fig. 4 - eine seitliche Abflachung 44 aufweist, durch die sich der Querschnitt des Lagerzapfens 30 gegenüber dem Bereich ohne Abflachung 44 reduziert. Jede schalenförmige Lageraufnahme 28 weist hierbei eine entsprechend dem Querschnitt des Lagerzapfens 30 im Bereich der Abflachung 44 schmale Einführöffnung auf. Dadurch werden die Lagerzapfen 30 in allen anderen Schwenkstellungen gegen Lösen formschlüssig in den Lageraufnahmen 28 gehalten, weil sie dann mit ihrem vollständigen Durchmesser nicht durch die verengten Einführöffnungen der Lageraufnahmen 28 passen.In addition, in a preferred embodiment, it is provided that the hinge parts 22, 24 can be joined together and separated in only one defined relative pivoting position. In the illustrated embodiment, this is achieved in that each bearing pin 30 - see in particular Fig. 4 - Has a lateral flattening 44, through which reduces the cross section of the bearing pin 30 relative to the region without flattening 44. Each cup-shaped bearing receptacle 28 in this case has a corresponding to the cross section of the bearing pin 30 in the region of the flattening 44 narrow insertion opening. As a result, the bearing pin 30 are held in all other pivot positions against loosening form-fitting in the bearing receivers 28, because then they do not fit with their full diameter through the narrowed insertion of the bearing receivers 28.

Wie sich aus Fig. 5 ergibt, kann das zweite Scharnierteil 24 an der Montagewand 10 im Bereich neben der Wandungsöffnung 12 befestigt werden. Dazu weist das zweite Scharnierteil 24 bzw. der Klemmenkasten 26 im Bereich eines Bodens 45 Montagelöcher 46 für nicht dargestellte Befestigungsschrauben auf, siehe Fig. 1. Durch die Befestigung des zweiten Scharnierteils 24 an der Montagewand 10 kann der gesamte Ventilator 1 - nach Lösen des Wandrings 4 von der Montagewand 10 - nach Art einer Tür - siehe Fig. 5 - von der Wandungsöffnung 12 weggeschwenkt werden. Indem das zweite Scharnierteil 24 bzw. der Klemmenkasten 26 von der der Montagewand 10 gegenüberliegenden Seite her mit dem ersten Scharnierteil 22 zusammengefügt ist, kann sich nach dem Befestigen des zweiten Scharnierteils 24 an der Montagewand 10 das erste Scharnierteil 22 mit dem Wandring 4 nicht mehr von dem zweiten Scharnierteil 24 lösen, weil die Aufnahmeansätze 34 mit den Lageraufnahmen 28 über die Zapfenansätze 32 mit den Lagerzapfen 30 gegen Lösen gehalten sind.As it turned out Fig. 5 results, the second hinge part 24 can be attached to the mounting wall 10 in the area adjacent to the wall opening 12. For this purpose, the second hinge part 24 and the terminal box 26 in the region of a bottom 45 mounting holes 46 for fastening screws, not shown, see Fig. 1 , By attaching the second hinge part 24 to the mounting wall 10, the entire fan 1 - after loosening the wall ring 4 of the mounting wall 10 - in the manner of a door - see Fig. 5 - Are pivoted away from the wall opening 12. By the second hinge part 24 and the terminal box 26 of the mounting wall 10 opposite side is joined together with the first hinge part 22, after fixing the second hinge part 24 on the mounting wall 10, the first hinge part 22 with the wall ring 4 no longer solve the second hinge part 24, because the receiving lugs 34 with the Bearing mounts 28 are held on the pin approaches 32 with the bearing pin 30 against loosening.

Es sei noch bemerkt, dass der Wandring 4 in einem in Umfangsrichtung gesehen insbesondere mittigen Bereich des ersten Scharnierteils 22 mindestens eine Kabel-Einführöffnung 48 für ein zu dem Ventilatormotor 6 führendes Motorkabel (nicht dargestellt) aufweist. Gemäß Fig. 5 sind bevorzugt zwei Einführöffnungen 48 vorgesehen. Die entsprechenden Motorleitungen werden aus dem Inneren des Klemmenkastens 26 insbesondere durch dessen Boden 45 und gemäß Fig. 1 durch seitliche Durchführungen 50 in Richtung des Wandrings 4 und durch die jeweilige Einführöffnung 48 geführt.It should be noted that the wall ring 4 in a circumferentially particularly central region of the first hinge part 22 has at least one cable insertion opening 48 for a leading to the fan motor 6 motor cable (not shown). According to Fig. 5 two insertion openings 48 are preferably provided. The corresponding motor lines are from the interior of the terminal box 26 in particular by the bottom 45 and according to Fig. 1 guided by lateral passages 50 in the direction of the wall ring 4 and through the respective insertion opening 48.

Weiterhin ist bevorzugt das zweite Scharnierteil 24 einstückig mit einem Kasten-Unterteil 52 des Klemmenkastens 26, insbesondere als Kunststoff-Formteil, ausgebildet. Der Klemmenkasten 26 bzw. sein Unterteil 52 weist eine mit einem Deckel 54 dicht verschlossene bzw. verschließbare Kastenöffnung 56 auf.Furthermore, the second hinge part 24 is preferably formed in one piece with a box lower part 52 of the terminal box 26, in particular as a plastic molded part. The terminal box 26 or its lower part 52 has a box opening 56 which is tightly closed or closable with a cover 54.

In bevorzugter Ausgestaltung weist der Klemmenkasten 26 in seinem dem Scharnier 20 zugewandten vorderen Seitenbereich eine über eine Schrägfläche 58 des Deckels 54 reduzierte Kastentiefe auf. Hierzu wird besonders auch auf Fig. 6 verwiesen. Durch diese Schrägfläche 58 vergrößert sich vorteilhafterweise der Schwenkbereich des ersten Scharnierteils 22 mit dem Wandring 4, weil durch die Schrägfläche 58 ein Freiraum zur Vermeidung von Kollisionen mit dem verschwenkten Ventilator 1 geschaffen wird.In a preferred embodiment, the terminal box 26 has in its hinge 20 facing the front side region over an inclined surface 58 of the lid 54 reduced box depth. This is especially on Fig. 6 directed. By this inclined surface 58 advantageously increases the pivoting range of the first hinge part 22 with the wall ring 4, because by the inclined surface 58, a free space to avoid collisions with the pivoted fan 1 is created.

Wie sich noch aus Fig. 8 ergibt, weist der Deckel 54 mit Vorteil eine innere Versteifungs-Verrippung 60 auf.How to get out Fig. 8 results, the cover 54 with advantage an internal stiffening ribbing 60.

Gemäß Fig. 6 weist der Klemmenkasten 26 zudem in einer Seitenwand des Unterteils 52 mindestens eine Leitungsdurchführung 62 zur abgedichteten KabelDurchführung auf.According to Fig. 6 In addition, the terminal box 26 has at least one line lead-through 62 in a side wall of the lower part 52 for the sealed cable feedthrough.

Die Erfindung ist nicht auf die dargestellten und beschriebenen Ausführungsbeispiele beschränkt, sondern umfasst auch alle im Sinne der Erfindung gleichwirkenden Ausführungen, die zum Gegenstand der Ansprüche gehören.The invention is not limited to the illustrated and described embodiments, but also includes all the same in the context of the invention embodiments that belong to the subject of the claims.

Claims (17)

  1. A fan (1), in particular an axial fan, with a support element (2) with a wall fastening ring (4) and an electric fan motor (6), held in the wall fastening ring (4), with a fan impeller (8),
    characterised in that the wall fastening ring (4) has on its outer periphery a hinge (20) which consists of a first hinge part (22) connected to the wall fastening ring (4) and a second hinge part (24) pivotable relative to the first hinge part (22) about a hinge axis (X), the second hinge part (24) being designed as a terminal box (26) for receiving electrical connectors (27), and the two hinge parts (22, 24) having bearing receptacles (28) which are aligned with each other in the direction of the hinge axis (X) on one hand and bearing journals (30) on the other hand which are joined together in a joining direction perpendicular to the hinge axis (X).
  2. A fan according to Claim 1,
    characterised in that the hinge axis (X) extends as a tangent to the wall fastening ring (4) or offset parallel to a tangent to the wall fastening ring (4) in a ring plane defined by the wall fastening ring (4).
  3. A fan according to Claim 1 or 2,
    characterised in that the first hinge part (22) is connected in one piece with the wall fastening ring (4).
  4. A fan according to one of Claims 1 to 3,
    characterised in that the bearing receptacles (28) are designed as bearing shells which are open corresponding to the joining direction.
  5. A fan according to one of Claims 1 to 4,
    characterised in that the second hinge part (24) has a plurality of journal attachments (32) extending perpendicularly to the hinge axis (X) with in each case two opposing axial bearing journals (30), each journal attachment (32) engaging in the manner of toothing between two receiving attachments (34) of the first hinge part (22) and with its bearing journals (30) in opposing bearing receptacles (28) of the receiving attachments (34).
  6. A fan according to one of Claims 1 to 5,
    characterised in that the second hinge part (24) additionally extends with bearing receptacles (36) over axial bearing journals (38) of the first hinge part (22).
  7. A fan according to one of Claims 1 to 6,
    characterised in that the joined-together hinge parts (22, 24) are fixed against detaching by latching means (40).
  8. A fan according to one of Claims 1 to 7,
    characterised in that the hinge parts (22, 24) can be joined together and separated in only one defined relative pivoting position.
  9. A fan according to one of Claims 1 to 8,
    characterised in that the wall fastening ring (4) can be fastened to a mounting wall (10) in the region of a wall opening (12), for which purpose the wall fastening ring (4) preferably has an external flange-like holding portion (14) with mounting holes (16).
  10. A fan according to one of Claims 1 to 9,
    characterised in that the second hinge part (24) can be fastened to a mounting wall (10) in the region next to a wall opening (12), for which purpose the terminal box (26) has mounting holes (46) in the region of a base (45).
  11. A fan according to one of Claims 1 to 10,
    characterised in that the wall fastening ring (4) in a region of the first hinge part (22) which is in particular central in the peripheral direction has at least one cable introduction opening (48).
  12. A fan according to one of Claims 1 to 11,
    characterised in that the second hinge part (24) is designed to be in one piece with a lower box part (52) of the terminal box (26).
  13. A fan according to one of Claims 1 to 12,
    characterised in that the terminal box (26) has a box opening (56) which is closed tightly with a cover (54).
  14. A fan according to one [of] Claims 1 to 13,
    characterised in that the terminal box (26) in its front side region facing the hinge (20) has a box depth which is reduced by means of an inclined face (58).
  15. A fan according to Claim 13 or 14,
    characterised in that the cover (54) has internal reinforcing ribs (60).
  16. A support element (2) for a fan (1) according to one of the preceding claims, with a wall fastening ring (4) for receiving a fan motor (6), characterised in that the wall fastening ring (4) has on its outer periphery a hinge (20) which consists of a first hinge part (22) connected to the wall fastening ring (4) and a second hinge part (24) pivotable relative to the first hinge part (22) about a hinge axis (X), the second hinge part (24) being designed as a terminal box (26) for receiving electrical connectors (27).
  17. A support element according to Claim 16,
    characterised by the characterising features of at least one of Claims 2 to 16.
EP13765673.2A 2012-10-08 2013-09-12 Fan and associated support element Active EP2904273B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012109518.3A DE102012109518A1 (en) 2012-10-08 2012-10-08 "Fan and associated carrier element"
PCT/EP2013/068925 WO2014056671A1 (en) 2012-10-08 2013-09-12 Fan and associated support element

Publications (2)

Publication Number Publication Date
EP2904273A1 EP2904273A1 (en) 2015-08-12
EP2904273B1 true EP2904273B1 (en) 2016-12-14

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Application Number Title Priority Date Filing Date
EP13765673.2A Active EP2904273B1 (en) 2012-10-08 2013-09-12 Fan and associated support element

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US (1) US10060448B2 (en)
EP (1) EP2904273B1 (en)
CN (1) CN104718379B (en)
DE (1) DE102012109518A1 (en)
ES (1) ES2618036T3 (en)
RU (1) RU2604979C2 (en)
UA (1) UA112593C2 (en)
WO (1) WO2014056671A1 (en)

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Publication number Priority date Publication date Assignee Title
DE102012109546A1 (en) * 2012-10-08 2014-04-10 Ebm-Papst Mulfingen Gmbh & Co. Kg "Wall ring for an axial fan"
USD771228S1 (en) * 2013-12-30 2016-11-08 Ebm-Papst Mulfingen Gmbh & Co. Kg Fan
US9845811B1 (en) * 2016-08-03 2017-12-19 Air Cool Industrial Co., Ltd. Hanging structure for a wall fan
TWI599726B (en) * 2016-11-25 2017-09-21 Asia Vital Components Co Ltd Shock absorbing structure and its fan
NL2021035B1 (en) * 2018-05-31 2019-12-10 Bredenoord Holding B V Self carrying canopy

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US2619021A (en) * 1949-08-04 1952-11-25 Ilg Electric Ventilating Compa Ventilator fan mounting
US2594688A (en) * 1950-02-17 1952-04-29 Dearborn Stove Company Hinged door and motor support for window coolers
US2697163A (en) * 1951-10-19 1954-12-14 Nu Tone Inc Mounting means for ceiling fans
GB749685A (en) 1952-12-31 1956-05-30 Colchester Woods Improvements in and relating to axial flow fans
US4838151A (en) * 1988-01-27 1989-06-13 Holmes Products Corp. Combination window and floor fan
GB9115348D0 (en) 1991-07-16 1991-08-28 Izaac Richard J Improvements in or relating to cased axial fans
JP3171154B2 (en) 1997-10-22 2001-05-28 松下電器産業株式会社 Storage device
JP2000303998A (en) 1999-04-23 2000-10-31 Nippon Densan Corp Fan motor
RU2307957C2 (en) * 2003-05-22 2007-10-10 Джордано Риелло Интернэшнл Груп С.П.А. Method of connection of fan to electric motor and motor fan unit made by said method
ITPD20050196A1 (en) * 2005-06-30 2007-01-01 Emerson Network Power Holding VENTILATION DEVICE FOR AIR CONDITIONING SYSTEMS
CN201297262Y (en) 2008-10-30 2009-08-26 力博特公司 Axial fan installer

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ES2618036T3 (en) 2017-06-20
UA112593C2 (en) 2016-09-26
EP2904273A1 (en) 2015-08-12
US10060448B2 (en) 2018-08-28
US20150275923A1 (en) 2015-10-01
DE102012109518A1 (en) 2014-04-10
CN104718379B (en) 2017-08-29
RU2604979C2 (en) 2016-12-20
WO2014056671A1 (en) 2014-04-17
RU2015116167A (en) 2016-11-27
CN104718379A (en) 2015-06-17

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