EP2525103B1 - Agencement de ventilateur - Google Patents

Agencement de ventilateur Download PDF

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Publication number
EP2525103B1
EP2525103B1 EP12003576.1A EP12003576A EP2525103B1 EP 2525103 B1 EP2525103 B1 EP 2525103B1 EP 12003576 A EP12003576 A EP 12003576A EP 2525103 B1 EP2525103 B1 EP 2525103B1
Authority
EP
European Patent Office
Prior art keywords
ventilator
front part
holder
fan
assembly 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.)
Active
Application number
EP12003576.1A
Other languages
German (de)
English (en)
Other versions
EP2525103A2 (fr
EP2525103A3 (fr
Inventor
Wolfgang Walder
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.)
Liebherr Hausgeraete Lienz GmbH
Original Assignee
Liebherr Hausgeraete Lienz 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 Liebherr Hausgeraete Lienz GmbH filed Critical Liebherr Hausgeraete Lienz GmbH
Publication of EP2525103A2 publication Critical patent/EP2525103A2/fr
Publication of EP2525103A3 publication Critical patent/EP2525103A3/fr
Application granted granted Critical
Publication of EP2525103B1 publication Critical patent/EP2525103B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials 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
    • F04D29/40—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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • the present invention relates to a fan assembly according to the preamble of claim 1.
  • the DE 10 2004 058 724 A1 discloses a radiator with a radiator fan device having a collar, an electric motor, and a fan.
  • the collar has an outer peripheral portion on which a lower frame is located. At this releasably an upper frame is arranged.
  • the present invention is therefore the object of developing a fan assembly of the type mentioned in such a way that it has a lower noise level during operation.
  • the said fan cover consists partly or completely of EPP or has EPP.
  • the material EPP is expanded polypropylene, ie a polypropylene-based particle foam.
  • This fan cover which consists of EPP or this, can be connected, for example, with the foamed housing of the device, in particular with the inner container or elsewhere by fasteners. Considered, for example, the attachment of the fan cover by means of a bayonet lock in the housing or on the inner container.
  • the fan cover for example, form the cover of a cooling air duct in which an evaporator is located.
  • the fan assembly further comprises at least one fan holder, which is arranged on the fan cover and in turn carries the fan.
  • This fan holder has at least two parts, namely a front part and a back part, wherein it is preferably provided that the fan motor between the front part and the back part is arranged.
  • the front part and the back part of the fan holder are formed so that they are fixed to each other and / or to the fan cover by a rotational movement relative to each other. So it is conceivable, for example, first insert the front part or first the back part in the fan cover or in the breakthrough, then the other part on or set and fix both parts by a rotational movement relative to each other and preferably also to the fan cover. This is a very simple assembly or a very simple assembly of the entire fan assembly possible. Additional aids such as screw connections, etc. for fixing the fan bracket to the fan cover are not required in this case.
  • the front part and the back part of the fan mount on an identical diameter.
  • the front part and the back part have different diameters, so that the front part at least partially surrounds the back part or vice versa that the back part at least partially surrounds the front part.
  • said breakthrough of the fan cover has a first region for receiving the front part and a second region for receiving the back part, wherein it is preferably provided that both regions have a different diameter.
  • the diameters may also be identical and / or the fan holder may be constructed in one piece.
  • the fan holder in particular the front part and the back part and / or said opening of the fan cover are round or circular in cross-section.
  • the fan holder is arranged partially or completely in the opening of the fan cover.
  • the fan holder is partially or completely made of plastic or plastic.
  • the fan holder made of PS, that is, polystyrene or ABS, that is, acrylonitrile-butadiene-styrene or its copolymer.
  • the said fastening means for fastening the fan cover to a further part of the refrigerator and / or freezer, in particular the foamed housing or the inner container may also consist of ABS or ABS.
  • these are preferably designed as bayonet fixtures. It is z. B. holding means which have the shape of a screw in the broadest sense and which are inserted through recesses in the fan cover in corresponding receptacles on the housing or inner container and then rotated.
  • This combination of materials achieves optimal noise reduction.
  • Another advantage is that with the change in density of the EPP fan cover, the noise characteristics can be modified and easily adapted.
  • the fan cover in particular in the edge region of said breakthrough of the fan cover has one or more recesses into which engage one or more projections, preferably tabs of the fan holder.
  • said breakthrough of the fan cover has projections, which in turn engage in recesses of the fan bracket.
  • the front part of the fan support prefferably has first means and for the back part of the fan support to have second means, wherein the first means and the second means are designed such that they can be fixed to one another by rotational movement of the front part relative to the back part locked together.
  • first means and the second means are designed such that they can be fixed to one another by rotational movement of the front part relative to the back part locked together.
  • the fan holder has at least one annular portion, wherein the wing of the fan is accommodated in the part surrounded by the annular portion. This facilitates handling insofar as the fan blade is protected by the ring during assembly, etc.
  • one or more damping elements are provided, which are located between the fan motor and the fan bracket, in particular between the fan motor and the front part and / or between the fan motor and the back part.
  • damping elements may for example be arranged concentrically to the motor shaft and / or represent the connecting regions of the motor to the fan mounts.
  • the damping elements may for example consist of rubber and engage in parts of the fan holder.
  • the damping parts are not arranged on the fan motor, but on the fan bracket or its front part and back part and adjoin the fan motor in the mounted state.
  • the fan motor is preferably exclusively via the aforementioned damping parts with the adjacent parts of the fan bracket in combination.
  • FIG. 1 shows by the reference numeral 10, the fan cover of the fan assembly according to the invention.
  • This fan cover is made of EPP and is built plate-shaped.
  • a circular aperture 12 which extends through the fan cover.
  • two right and left of the opening 12 arranged support members are marked, which have a helical shape and in its facing the fan cover 10 area means for bayonet-like attachment of the fan cover 10 z.
  • B. on the inner container or elsewhere have a refrigerator and / or freezer. In their front area, they have a head adjoining the shaft, which is larger than the corresponding receiving bore in the fan cover.
  • a tool holder for example a slot arranged by means of which the support members 16 can be rotated.
  • FIG. 1 Like this further FIG. 1 and from FIG. 2 It is apparent in the opening 12 of the fan cover 10 is a fan holder 20, 30, in which the fan is arranged with its motor 40 and its driven by the motor 40 wings 50.
  • FIG. 2 is an exploded view of the arrangement according to FIG. 1 seen. From this figure it can be seen that the aperture 12 has a first portion 13 with arranged in the edge region and circumferentially spaced recesses 14 and a second portion 15 of larger diameter, which is also provided in its edge region with circumferentially spaced recesses 16.
  • the respective recesses 14, 16 are arranged so that they adjoin or overlap at least in a partial area.
  • the fan bracket that is the front part 20 and / or the back part 30 are made of ABS or PS.
  • the reference numeral 22 an annular portion of the front part 20 of the fan bracket is characterized, is received in the mounted state of the blade 50 of the fan. Furthermore, the front part 20 has three star-shaped webs 24, which extend from a central portion of the front part 20 to the outside, to the inside of the annular portion 22. In the central area where the webs 24 meet, there is a bore 28 for receiving the shaft 42 of the motor 40th
  • the back part 30 of the fan bracket has an annular portion 32 from which three webs 34 run to each other. In the connection point of these webs 34 is a bore 38 in which a portion of the motor 40 is received, which in FIG. 2 is not apparent.
  • the dimensions of the front part 20 and the back part 30 and the first portion 13 and the second portion 15 of the opening 12 are designed so that the front part 20 corresponds in its outer diameter approximately to the inner diameter of the first portion 13 and that the outer diameter of the back portion 30 in approximately corresponds to the inner diameter of the second section 15.
  • the diameter of the second portion 15 is greater than that of the first portion 13 and the inner diameter of the back portion 30 at least partially larger than the outer diameter of the annular portion 22 of the front part 20, so that the front part 20 at least partially received in the back part 30 becomes. It is also conceivable that the back part 30 is received at least in regions in the front part 20.
  • the fan support rear part 30 has at its outer periphery circumferentially spaced apart projections 36 which engage in corresponding recesses 16 of the second portion 15 of the opening 12.
  • the motor 40 on its side facing the webs 24 of the front part and to the webs 34 of the back part each have a damping element 44, which may be made of rubber.
  • the fan motor 40 On the fan motor 40 are thus preferably two damping parts made of rubber, which engage in the corresponding parts of the fan holder and the front part 20 and the back part 30 made of ABS or PS. These parts are installed in the fan cover 10 made of EPP.
  • the fan cover 10 is then preferably fastened in the housing by means of the principle of a bayonet closure.
  • FIG. 6 upper illustration shows the state of both parts relative to each other before twisting and thus before the locking of the back part 30
  • FIG. 6 Lower illustration after rotation of the back part 30.
  • the projection 36 of the back part 30 Before twisting the projection 36 of the back part 30 is adjacent to a recording of the projections 26 of the front part 20.
  • the back part 30 Turned counterclockwise upper view, the projections 36 of the back part 30 are inserted into the receptacles of the projections 26 of the front part 20 and preferably locked therein.
  • both parts 20, 30 are fixed relative to each other.
  • the entire fan bracket is then also fixed in the opening 12 of the fan cover 10 and can neither fall forward or back out of this.
  • FIG. 7 shows again in a view from behind the back part 30 relative to the front part 20 before the locking and FIG. 7 , Bottom view after turning the back part 30 counterclockwise, this rotation leads to a fastening of the front part 20 and the back part 30 relative to each other and also on the fan cover.
  • the webs 24, 34 of the parts 20, 30 are aligned with each other.
  • the present invention thus provides a fan-friendly, noise-optimized and variably deployable fan holder, wherein it is provided that said fan cover consists partially or completely of EPP or EPP, and preferably the fan holder made of polystyrene or ABS and said bayonet-type fasteners or other fasteners ABS exist.
  • said fan cover consists partially or completely of EPP or EPP, and preferably the fan holder made of polystyrene or ABS and said bayonet-type fasteners or other fasteners ABS exist.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)

Claims (13)

  1. Agencement de ventilateur comprenant au moins un ventilateur et comprenant au moins un capot de ventilateur (10) qui présente au moins un passage (12) dans lequel est disposé le ventilateur et à travers lequel, pendant le fonctionnement du ventilateur, circule l'air transporté au moyen du ventilateur, le capot de ventilateur (10) étant constitué en partie ou entièrement de polypropylène expansé ou présentant du polypropylène expansé, et l'agencement de ventilateur présentant en outre au moins un support de ventilateur (20, 30) qui est disposé sur le capot de ventilateur (10) et qui, de son côté, porte le ventilateur, caractérisé en ce que le support de ventilateur (20, 30) présente au moins deux parties, à savoir une partie avant (20) ainsi qu'une partie arrière (30), et en ce que la partie avant (20) ainsi que la partie arrière (30) du support de ventilateur (20, 30) sont réalisées de manière à ce qu'elles soient fixables l'une par rapport à l'autre sur le capot de ventilateur (10) par un mouvement de rotation.
  2. Agencement de ventilateur selon la revendication 1, caractérisé en ce que le moteur de ventilateur (40) est disposé entre la partie avant (20) et la partie arrière (30).
  3. Agencement de ventilateur selon la revendication 1 ou 2, caractérisé en ce que la partie avant (20) et la partie arrière (30) présentent un diamètre identique ou en ce que la partie avant (20) et la partie arrière (30) présentent des diamètres différents de sorte que la partie avant (20) enveloppe au moins par sections la partie arrière (30) ou vice versa de sorte que la partie arrière (30) enveloppe la partie avant (20) au moins par sections.
  4. Agencement de ventilateur selon une quelconque des revendications 1 à 3, caractérisé en ce que ledit passage (12) du capot de ventilateur (10) présente une première zone (13) destinée à loger la partie avant (20) et une deuxième zone (15) destinée à loger la partie arrière (30), dans lequel agencement de ventilateur il est de préférence ménagé que les deux zones (13, 15) présentent un diamètre différent.
  5. Agencement de ventilateur selon une quelconque des revendications 1 à 3, caractérisé en ce que le support de ventilateur, notamment la partie avant (20) et la partie arrière (30) et/ou ledit passage (12) du capot de ventilateur (10) sont réalisés de manière ronde resp. circulaire en section transversale.
  6. Agencement de ventilateur selon une quelconque des revendications précédentes, caractérisé en ce que le support de ventilateur (20, 30) est disposé en partie ou complètement dans le passage (12) du capot de ventilateur (10).
  7. Agencement de ventilateur selon une quelconque des revendications 1 à 6, caractérisé en ce que le support de ventilateur (20, 30) est constitué en partie ou entièrement de matière plastique ou présente de la matière plastique.
  8. Agencement de ventilateur selon la revendication 7, caractérisé en ce que la matière plastique est de l'acrylonitrile butadiène styrène ou du polystyrène.
  9. Agencement de ventilateur selon une quelconque des revendications précédentes, caractérisé en ce que le capot de ventilateur (10), notamment dans la zone de bord du dit passage (12), présente un ou plusieurs approfondissement (16) dans lesquels ont prise une ou plusieurs saillies, de préférence des pattes du support de ventilateur (20, 30).
  10. Agencement de ventilateur selon une quelconque des revendications 1 à 9, caractérisé en ce que la partie avant (20) du support de ventilateur (20, 30) présente des premiers moyens et en ce que la partie arrière (30) du support de ventilateur (20, 30) présente des deuxièmes moyens, les premiers moyens et les deuxièmes moyens étant réalisés de manière à ce qu'en raison d'un mouvement de rotation de la partie avant (20) par rapport à la partie arrière (30) ou inversement, ils puissent être fixés l'un sur l'autre, de préférence qu'ils puissent être encliquetés l'un avec l'autre.
  11. Agencement de ventilateur selon une quelconque des revendications 1 à 10, caractérisé en ce que le support de ventilateur (20, 30) présente au moins une section annulaire (22), l'ailette (50) du ventilateur étant logée dans la partie entourée par la section annulaire (22).
  12. Agencement de ventilateur selon une quelconque des revendications précédentes, caractérisé en ce qu'un ou plusieurs éléments d'amortissement (44) sont ménagés, lesquels se trouvent entre le moteur de ventilateur (40) et le support de ventilateur (20, 30), notamment entre le moteur de ventilateur (40) et la partie avant (20) et/ou entre le moteur de ventilateur (40) et la partie arrière (30).
  13. Appareil frigorifique et/ou appareil de congélation comprenant au moins un agencement de ventilateur selon une quelconque des revendications 1 à 12, dans lequel il est de préférence ménagé que l'agencement de ventilateur soit fixé sur le réservoir intérieur de l'appareil.
EP12003576.1A 2011-05-19 2012-05-08 Agencement de ventilateur Active EP2525103B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011102026A DE102011102026A1 (de) 2011-05-19 2011-05-19 Ventilatoranordnung

Publications (3)

Publication Number Publication Date
EP2525103A2 EP2525103A2 (fr) 2012-11-21
EP2525103A3 EP2525103A3 (fr) 2014-11-26
EP2525103B1 true EP2525103B1 (fr) 2017-09-20

Family

ID=46147230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12003576.1A Active EP2525103B1 (fr) 2011-05-19 2012-05-08 Agencement de ventilateur

Country Status (3)

Country Link
EP (1) EP2525103B1 (fr)
DE (1) DE102011102026A1 (fr)
ES (1) ES2652602T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3677846A1 (fr) 2019-01-04 2020-07-08 Vaillant GmbH Unité extérieure d'une pompe à chaleur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016217474A1 (de) * 2016-09-14 2018-03-15 Vaillant Gmbh Außeneinheit für eine Luft-Wasser-Wärmepumpe
DE102016218233A1 (de) * 2016-09-22 2018-03-22 Vaillant Gmbh Außeneinheit für eine Luft-Wasser-Wärmepumpe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058724A1 (de) * 2003-12-09 2005-07-14 Denso Corp., Kariya Wärmetauscher und Kühlmodul mit diesem

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FR2732524B1 (fr) * 1995-04-03 1997-05-09 Valeo Thermique Habitacle Dispositif de fixation elastique d'un moteur electrique a l'interieur d'un boitier, notamment pour vehicule automobile
JP3388345B2 (ja) * 1999-01-11 2003-03-17 ミネベア株式会社 軸流ファンモータ
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Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
DE102004058724A1 (de) * 2003-12-09 2005-07-14 Denso Corp., Kariya Wärmetauscher und Kühlmodul mit diesem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3677846A1 (fr) 2019-01-04 2020-07-08 Vaillant GmbH Unité extérieure d'une pompe à chaleur
DE102019100109A1 (de) 2019-01-04 2020-07-09 Vaillant Gmbh Effizienzerhöhung für Wärmepumpen-Lüftung

Also Published As

Publication number Publication date
EP2525103A2 (fr) 2012-11-21
ES2652602T3 (es) 2018-02-05
EP2525103A3 (fr) 2014-11-26
DE102011102026A1 (de) 2012-11-22

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