EP3499047A1 - Logement de ventilateur et ventilateur pour un appareil électroménager - Google Patents

Logement de ventilateur et ventilateur pour un appareil électroménager Download PDF

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Publication number
EP3499047A1
EP3499047A1 EP18211974.3A EP18211974A EP3499047A1 EP 3499047 A1 EP3499047 A1 EP 3499047A1 EP 18211974 A EP18211974 A EP 18211974A EP 3499047 A1 EP3499047 A1 EP 3499047A1
Authority
EP
European Patent Office
Prior art keywords
blower
housing
housing part
receiving space
fan
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.)
Pending
Application number
EP18211974.3A
Other languages
German (de)
English (en)
Inventor
Benedikt Hofmann
Dietmar Jordan
Thomas Völker
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3499047A1 publication Critical patent/EP3499047A1/fr
Pending legal-status Critical Current

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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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material

Definitions

  • the present invention relates to a blower housing and a blower for a household appliance with a blower housing.
  • blowers that are used for example in household appliances, and in particular represent radial blower
  • the fan or the fan wheels are housed in a blower housing.
  • the blower housing serves to guide air from a suction opening to an outlet opening.
  • a blower housing In the DE 10 2007 021 318 A1 such a blower housing is disclosed.
  • a vapor extraction housing and an extractor hood are disclosed in this document.
  • the extractor housing is designed to accommodate at least one fan housing and at least one fan wheel, in particular a radial fan, enclosed by the fan housing.
  • the extractor housing also has a suction opening for receiving the vapors from a cooking place.
  • the blower housing On one side of the blower housing, the blower housing on an air outlet or an air nozzle.
  • the blower housing is a volute.
  • the air outlet can be arranged at the top of the blower housing. Depending on the design of the blower and the position of the blower, the air outlet can also lie laterally on the blower housing.
  • These known fan housing are usually made of sheet metal or plastic material that is reverberant.
  • blower housing has a number of disadvantages.
  • the sheet metal or plastic material can only take over the functions of the air duct.
  • noises such as airborne or structure-borne noise, occur during operation of the fan, additional acoustic insulation is necessary.
  • blower housings can only be manufactured with high material and tooling costs.
  • the assembly, mounting and sealing of the blower housing is complex.
  • the object of the present invention is therefore to provide a solution by means of which, with a simple construction of the blower housing, this can simultaneously serve for guiding the air and for reducing noise.
  • the invention is based on the finding that this object can be achieved by the air duct of the blower housing is at least partially formed in a soundproofing material.
  • the object is achieved by a fan housing for a fan, wherein the fan housing has a receiving space for at least one fan of the fan and an adjoining the receiving space air outlet.
  • the blower housing is characterized in that the blower housing has a housing part which at least partially consists of soundproofing material and in the housing part at least the receiving space is at least partially formed by soundproofing material.
  • the fan housing has a receiving space for at least one fan.
  • the receiving space preferably has a round, oval or spiral cross-section.
  • the fan is arranged in the receiving space so that a wall of the receiving space surrounds the circumference of the fan as far as possible.
  • an air outlet opening is introduced, via which the air can flow from the receiving space into an air outlet channel.
  • the air outlet channel preferably connects tangentially or radially to the cross section of the receiving space.
  • the receiving space and the air outlet passage are collectively referred to as the air guiding space of the blower housing.
  • the fan housing forms a so-called spiral housing.
  • the fan housing In the axial direction of the fan wheel of the receiving space is preferably covered by one or more further housing parts of the blower housing.
  • These further housing parts may have a construction corresponding to the first housing part or be designed, for example, as a cover plate.
  • the air inlet opening may be provided for the fan and may for example be covered by a grid.
  • the fan which has a fan housing according to the invention, is therefore preferably a radial fan.
  • the blower housing is characterized in that the blower housing has a housing part, which consists at least partially of soundproofing material and in the device housing at least the receiving space is at least partially formed by soundproofing material.
  • the housing part may represent a block of material or molded body.
  • the housing part consists at least partially of soundproofing material.
  • sound insulation material a material that is sound-absorbing and / or sound-insulating.
  • Sound attenuation or sound absorption refers in particular to a hindrance of sound propagation.
  • the sound attenuation takes place by obstructing the sound propagation through absorption of airborne sound.
  • the impairment of the sound propagation of airborne sound or structure-borne noise into adjacent rooms is referred to as sound insulation by sound reflection of the propagating sound.
  • the soundproofing material may in particular represent a soft sounding material.
  • the soundproofing material may therefore represent a porous, elastic and / or fibrous material. Through these materials, in addition to the pure sound attenuation and or sound also vibration of the housing part is prevented with respect to other parts of the device housing or the household appliance and thus delivered a further sound insulation. It is particularly preferred to use a soundproofing material which can absorb and / or insulate sound at frequencies of 50 Hz to 10,000 Hz.
  • the housing part can be made entirely of soundproofing material.
  • elements of a dimensionally stable material are provided in or on the soundproofing material, which has no Schalldämpfung- or Schalldämmungsfunktionen.
  • such elements may be made of metal and used to support the fan or the fan motor.
  • the fan is mounted indirectly on the fan motor to the fan housing.
  • the dimensions of the blower housing or the blower which are in the direction of the axis of rotation of the fan wheel in the finished blower, that is to say in the blower in which the blower is introduced into the blower housing, are referred to below as the height.
  • details refer, as above and below to a fan in which the axis of rotation of the fan wheel, which is also referred to as the axis of rotation of the fan, lies in the vertical.
  • Information such as axial and radial also refer to the axis of rotation of the fan.
  • the receiving space is at least partially formed in the soundproofing material.
  • at least the wall of the receiving space which surrounds the circumference of the fan of the blower, formed in the soundproofing material.
  • one of the lying in the axial direction of the fan wheel walls of the receiving space may be formed in the soundproofing material.
  • the housing part at least partially consists of soundproofing material and the receiving space is at least partially formed in the soundproofing material, a number of advantages can be achieved.
  • noise reduction and / or sound insulation can take place by the blower housing itself.
  • the manufacture of the fan is simplified by forming at least the receiving space in the soundproofing material.
  • no complex alignment of the blower housing to an additional acoustic insulation is necessary.
  • the housing part is a block of material which consists at least partially of soundproofing material.
  • at least a part of the receiving space is produced by material removal in the material block.
  • a body which at least partially consists of at least one soundproofing material and in which at least part of the receiving space for the fan of the blower is formed understood.
  • the block of material thus denotes the machined body.
  • the body Before the introduction of the receiving space, that is, before editing, the body may also be referred to as a volume element, solid or solid body.
  • the volume element may for example have a cuboid shape.
  • the block of material may have a cuboid shape.
  • the block of material has an outer shape which corresponds to the shape of the air guiding space formed therein. Such a shape can be created by machining the outside of the volume element.
  • At least a part of the receiving space is generated by material removal in the material block.
  • the introduction of at least a part of the receiving space and possibly the air outlet channel by removing material in a volume element is also referred to as a negative process.
  • the part of the receiving space which is to be formed in the material block can be cut out of a volume element.
  • the excision can also be called free cutting.
  • the cut-out part preferably has a cylindrical shape or spiral shape, so that in the thus created part of the receiving space, the fan can be introduced and at least the circumference of the fan wheel is surrounded by the material of the material block.
  • the air outlet channel which is preferably formed in the embodiment of the housing part as a material block in the material block, can be introduced by a negative process in a volume element.
  • the receiving space and the air outlet channel are preferably introduced into the volume element in a method step, in particular cut out therefrom.
  • the tooling for the production of the blower housing and thus its production is further simplified.
  • the material of the material block other than foam for example, a fiber material, rubbery material or a porous material or have such a material. These materials can be easily cut.
  • the housing part is produced by forming soundproofing material around at least the part of the receiving space formed by the soundproofing means. Shaping the soundproofing material at least part of the receiving space is also called a positive process.
  • the positive process may be a foam molding.
  • a die or other basic shape can be used, which corresponds to the shape of the part of the receiving space and optionally a part of the air outlet channel to lie in the soundproofing material, and this die can be partially foamed.
  • the housing part formed by molding of soundproofing material may constitute a molded body or block of material. The block of material may for example have a cuboid shape.
  • the wall thickness of the housing part can be set specifically at least in the region of the receiving area. Thus, sufficient soundproofing can be granted.
  • the housing part has at least two layers, that is to say that the housing part constitutes a multilayered body.
  • At least one of the layers is preferably made of soundproofing material. But it can also consist of layers of soundproofing material. It is also within the scope of the invention that at least one layer of the housing part consists of a material which does not have a separate soundproofing property.
  • the layers of the soundproofing material can each have a constant thickness over their surface extension. However, it is also within the scope of the invention that the layers have different thicknesses over their respective surface extension.
  • the layers of the soundproofing material may be planar layers. However, it is also within the scope of the invention that the layers each have a shape deviating from the plane.
  • the shape of the layers may correspond in each case to the shape of the receiving space and optionally of the air outlet channel.
  • This embodiment can be produced particularly easily in the production of the housing part, which can be produced by positive processes, that is, by material application.
  • the multi-layered structure can be produced by coating a recess or recess which is introduced into the material block, or by inserting a further layer in this recess or depression.
  • the housing part By making the housing part a multi-layered body, different materials can be used in the housing part which differ in terms of their properties, such as deformation resistance, volume weight, sound attenuation and / or sound insulation.
  • a fan housing can be produced, which has the desired properties in the individual areas.
  • the housing part has a main body and the main body has at least one lining layer on at least part of the receiving space.
  • the lining layer in this embodiment is preferably a soundproofing material layer.
  • the base body may for example consist of a material that is optimized for structure-borne noise reduction, in particular absorption, and the lining layer in the receiving space made of a material that is optimized for airborne sound reduction, in particular absorption.
  • At least one guide for a filter element is introduced in the housing part.
  • the guide is preferably incorporated in the soundproofing material of the housing part.
  • the guide can be configured for example as a groove, which serves as a guide rail for inserting a flat filter element. If the housing part is produced by a positive process, the groove can be produced by foaming a correspondingly shaped die. Alternatively, the groove may also be introduced into a housing part produced by a positive process by cutting. If the housing part is produced by a negative process, the groove can also be generated by cutting when cutting the air outlet channel.
  • the guide is introduced in the region of the air outlet channel.
  • the guide can be located at the end of the air outlet channel and extend from the latter into the soundproofing material surrounding the air outlet channel.
  • This guide can be introduced in a simple manner in the material of the housing part.
  • the embodiment in which the guide of the filter element in the housing part and in particular in the soundproofing material is formed, is advantageous because on the one hand a separate filter holder can be omitted.
  • the soundproofing material can represent an elastic material.
  • At least one cutout for at least one electronic component is provided in the housing part.
  • the at least one cutout is preferably incorporated in the soundproofing material of the housing part.
  • the at least one cutout can be introduced by free cutting into a volume element.
  • the cutout can be made by foam molding.
  • the cutout is provided for at least one electronic component in the housing part, in particular the assembly of the fan is simplified. In particular, a separate alignment of the at least one electronic component to the fan and in particular to the fan motor via which the fan is driven, not required.
  • at least one groove for at least one cable is introduced in the housing part. This also makes the assembly of the fan is further simplified and also can be easily created a cut protection for the at least one cable.
  • At least one connecting element is integrated in the housing part.
  • the at least one connecting element is preferably integrated in the soundproofing material of the housing part.
  • a connection element in particular an element is referred to, by means of which the housing part on a further housing part or on a device, in particular household appliance, in which the blower is operated, can be attached.
  • a connecting element is also referred to as an element by means of which the fan motor can be fastened to the housing part.
  • the attachment element can be inserted in the housing part or be foamed by the material of the housing part.
  • the attachment element may be made of rubber or metal, for example. This ensures that this is mechanically strong.
  • Tying element preferably a sound attenuation function for low frequencies.
  • the connection element may for example have a screw opening.
  • the housing has at least one further housing part, which closes the part of the receiving space, which is formed by the soundproofing material, on at least one side.
  • the further housing part may in this case represent, for example, a cover plate.
  • the cover plate can close off the receiving space in the axial direction of the fan wheel.
  • two cover plates can be provided, which close off the receiving space in the axial direction of the fan wheel on two sides.
  • the cover plate or the cover plates are connected to the first housing part, in which a part of the receiving space is formed by sound material.
  • the cover plate can represent a flat plate and, for example, consist of sheet metal.
  • an air inlet opening for the fan is preferably provided. This can be covered by a grid.
  • the part of the receiving space formed in the soundproofing material constitutes a recess in one side of the first housing part and in particular in the soundproofing material the receiving space is closed on two sides in each case by a cover plate, the part of the receiving space, which is provided in the first housing part and in particular in the soundproofing material, a passage opening between two opposite sides of the first housing part.
  • the further housing part has a structure which corresponds to the structure of the first housing part.
  • a further part of the receiving space for the fan wheel may be provided in a soundproofing material in the further housing part.
  • the housing part is at least partially made of foam.
  • a polyurethane foam and / or a melamine resin foam can be used.
  • the housing part consists at least partially of polyurethane or rubber-polyurethane material.
  • the use of polyether-based polyurethane foam brings with it the advantage that the airborne sound is particularly good can be insulated.
  • the volume weight of a polyether-based polyurethane foam is preferably less than 40 kg / m 3 . This material is acoustically effective above a frequency of about 1000 Hz. Thus, flow noise can be effectively reduced with this material.
  • the housing part is therefore preferably provided in the region of the part of the receiving space, which is formed in the housing part.
  • a polyether-based polyurethane foam is not strong enough to produce self-supporting structures.
  • the fan motor and above the fan of the fan can not be held in position by this material.
  • one or more connection elements are provided, on which the fan is stored in particular on the fan motor of the fan.
  • the fan and the fan motor of the blower can also be attached to a cover plate, which is connected to the housing part as another housing part.
  • the housing part may comprise a foam of melamine resin.
  • This material has a specific gravity of about 9 kg / m 3 and is stiffer than polyether-based polyurethane foam. Nevertheless, melamine resin is not suitable to build mechanically strong structures. However, this material can be used for lining the flow paths, in particular the receiving space and the air outlet channel.
  • the material used for a main body of the housing part are preferably used significantly heavier and deformation-resistant materials with volume weights of more than 100 kg / m 3 .
  • materials with a volume weight of 400 kg / m 3 can be turned.
  • These materials may be composite materials, for example made of polyurethane or rubber-polyurethane composites. These materials can be adjusted in manufacturing to the necessary compressive strength and elasticity.
  • the effective damping range for this material is below 1000 Hz due to the combination of two soundproofing materials, for example polyurethane and melamine resin foam, broadband damping can be achieved.
  • a three-layer structure can also be used.
  • a base body made of a cheap, stiff material can be used, which is occupied to the air guide space out with the first-mentioned lightweight polyurethane foam and is provided with inserts made of rubber-polyurethane compositions to the housing part vibrationally from the rest of the device, in particular household appliance, to decouple.
  • the invention relates to a blower for a household appliance, which has a fan housing according to the invention.
  • the fan is a fan for an extractor hood.
  • the blower can also be used in other household appliances such as ovens or refrigerators or for example in tumble dryers or vacuum cleaners.
  • the fan has at least one fan wheel.
  • the fan of the blower can either be mounted on the first housing part, which consists at least partially of soundproofing material, or on a cover plate of the blower housing as a further housing part.
  • the fan wheel is mounted on a cover plate on the first housing part and projects into the receiving space, which consists at least partially of soundproofing material into it.
  • the fan may be mounted indirectly on the cover plate.
  • the fan motor may be attached to the cover plate and the fan wheel is connected to the fan motor for rotation.
  • the fan according to the invention preferably represents a radial fan.
  • the fan according to the invention may be a radial fan with forward curved radial fan, in which a spiral housing is absolutely necessary for the pressure build-up.
  • FIG. 1 an embodiment of a housing part 1000 of a fan housing 10 according to the invention is shown.
  • the housing part 1000 is formed by a block of material 100.
  • the block of material 100 has a cuboid shape in the illustrated embodiment.
  • the housing part 1000 and thus the material block 100 may in this embodiment, for example, polyurethane foam.
  • a receiving space 110 and an air outlet channel 111 of an air guiding space 11 are formed in the material block 100.
  • the air guide space 11 may have been produced by free cutting from a volume element or by foam molding.
  • the receiving space 110 has a round cross section whose boundary wall forms the part of a spiral. In the receiving space 110 can the fan and the fan motor (not shown) of the fan are received.
  • an air outlet opening is formed, via which the ventilation space 11 merges into the air outlet channel 111.
  • the air outlet passage 111 extends from the receiving space 110 to a side wall of the material block 100. Between the receiving space 110 and the side wall of the material block 100, the air outlet passage 111 widens. In the illustrated embodiment, the air guide space 11 extends over the entire height of the material block 100. In the in FIG. 1 shown embodiment of the housing part 1000 is at least the airborne sound produced in the air guide space 11, damped by the material of the material block 100.
  • FIG. 2 a further embodiment of a housing part 1000 is shown.
  • the housing part 1000 is formed by a block of material 100.
  • the block of material may for example consist of polyurethane foam.
  • the air guide space 11 corresponds to the air guide space 11, which in the first embodiment according to FIG. 1 is shown.
  • a guide 104 is provided in the block of material 100.
  • a filter element 2 is introduced in the guide 104.
  • the filter element 2 has a flat, planar shape and can be, for example, an odor filter for filtering off odors.
  • the guide 104 is formed in the illustrated embodiment by grooves which are aligned parallel to the side wall to which the air outlet passage 111 extends.
  • the grooves at the end of the air outlet channel 111 are introduced into the material block 100 at a distance from the side wall.
  • the grooves protrude from the air outlet channel 111 to the sides.
  • guide rails may be made of metal or other material.
  • the filter element 2 is introduced from above into the guide 104 and covers the end of the air outlet channel 111 in the inserted state.
  • FIG. 3 a further embodiment of a housing part 1000 is shown.
  • the housing part 1000 is formed by a block of material 100.
  • the block of material 100 may for example consist of polyurethane foam.
  • This embodiment differs from the first embodiment according to FIG. 1 in that a cutout 105 is introduced into the upper side of the material block 100.
  • the cutout 105 is adjacent to the air guide space 11.
  • electronic components 3 are introduced.
  • the cutout 105 is connected via a groove 106 to the receiving space 110 and in this groove 106, a cable 4 is guided, via which the electronic components 3 with the fan motor (not shown) of the blower 1 can be connected.
  • FIG. 4 a fourth embodiment of a housing part 1000 is shown.
  • the housing part 1000 is formed by a block of material 100.
  • the block of material 100 may for example consist of polyurethane foam.
  • a lining layer 102 is applied to the boundary wall of the receiving space 110 and the air outlet channel 111.
  • a connection element 5 is introduced into the material block 101.
  • This connection element 5 is arranged to the air duct 11 spaced.
  • the attachment element 5 can for example consist of rubber and have a cube shape.
  • a screw opening 50 is shown in the application element 5, via which the housing part 1000 can be fastened to a further housing part (not shown) or via which the blower housing 10 can be fastened to the main device, in particular household appliance.
  • FIG. 5 a side view of an embodiment of a blower housing 10 is shown schematically. The view is shown from the side at which the air outlet channel 111 from the first housing part 1000, which represents a block of material 100 exits.
  • the nose 112 which exists between the receiving space 110 and the air outlet channel 111, visible.
  • the air guide space 11 is not configured over the entire height of the material block 100.
  • the air guide space 11 thus has a bottom 114.
  • the air guiding space 11 in the block of material 100 is open.
  • the open side of the air guiding space 11 is in the in FIG. 5 illustrated embodiment covered by a cover plate 12.
  • an air inlet grille 120 is inserted, which forms the air inlet opening of the blower housing 10.
  • the first housing part 1000 which constitutes a block of material 100, consists of several materials.
  • a main body 101 which consists of a base material.
  • the base material may be, for example, a rubber-polyurethane composite.
  • a lining layer 102 is introduced from lining material.
  • the lining layer 102 covers the entire boundary walls of the recess in the body 101.
  • a further lining layer 103 is applied on the lining layer 102.
  • the lining layer 103 thus forms the boundary walls of the receiving space 110 in the first housing part 1000.
  • the lining layer 102 and the lining layer 103 may consist, for example, of polyurethane foam or melamine resin foam.
  • the receiving space 110 is also covered in this embodiment by a cover plate 12, in which an air inlet grille 120 is provided. Below the cover plate 12 and in particular below the air inlet grille 120, a fan 13 is accommodated in the receiving space 110.
  • the axis of rotation 130 of the fan wheel 13 lies in the vertical direction and thus extends in the height direction of the receiving space 110.
  • the housing part 1000 which is formed by a block of material 100, consists of only one soundproofing material.
  • a receiving space 110 is formed in the housing part 1000.
  • This receiving space 110 may be formed by free cutting or by foam molding.
  • the receiving space 110 does not extend over the entire height of the material block 100 in this embodiment.
  • the receiving space 110 constitutes a depression in the material block 100 and has a base 114.
  • connecting elements 5 are introduced in the soundproofing material of the housing part 1000 in the sectional view shown. In the sectional view shown, two connection elements 5 are shown. However, more than two connection elements 5 can also be provided.
  • the connecting elements 5 are introduced in the embodiment shown in the bottom 114 of the receiving space 110.
  • the connection elements 5 may for example consist of metal.
  • the fan motor 131 and the fan wheel 13 are accommodated in the receiving space 110.
  • the Fan motor 131 is in this case attached by screws 51 to the connection elements 5 and the fan 13 is mounted on the fan motor 131 so that it can rotate about the axis 130.
  • the fan housing 1 can be attached to the in FIG. 7 shown open side of the receiving space 110 by a further housing part or a cover plate (both not shown) are closed, wherein in the further housing part or the cover plate then the air inlet opening of the blower 1 is formed.
  • blower housing according to the invention filters and other components, such as electronic components and cables to easily integrate into the blower housing.
  • guide grooves may be provided for the filters.
  • the fan housing can be produced by the air guide space and in particular the receiving space in a block of material from a volume element, which preferably consists of foam or fiber material, is cut free.
  • the air ducting can also be produced by foam molding.
  • grooves can be easily and inexpensively integrated as guide rails for removable filter. Due to the elastic material property of the volume element, these grooves also assume a sealing function at the same time. In addition, space for electronic components and cable guides can be realized in the volume element simple and cost-effective
  • both the airborne sound insulation and the structure-borne sound insulation are functionally present in the blower housing.
  • foam material for the block of material has the further advantage that less expensive materials can be used, which also cause low tooling costs and can be easily mounted.
  • the blower housing can also consist of a composite material or a material with locally different properties.
  • a zone optimized for airborne sound can be created at the boundary layer between the airflow and the blower housing and a zone optimized for structure-borne noise for connection to the domestic appliance, which can also be referred to as a terminal.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP18211974.3A 2017-12-18 2018-12-12 Logement de ventilateur et ventilateur pour un appareil électroménager Pending EP3499047A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017223054.1A DE102017223054A1 (de) 2017-12-18 2017-12-18 Gebläsegehäuse und Gebläse für ein Haushaltsgerät

Publications (1)

Publication Number Publication Date
EP3499047A1 true EP3499047A1 (fr) 2019-06-19

Family

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EP18211974.3A Pending EP3499047A1 (fr) 2017-12-18 2018-12-12 Logement de ventilateur et ventilateur pour un appareil électroménager

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DE (1) DE102017223054A1 (fr)

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DE19542597A1 (de) * 1995-11-15 1997-05-22 Bosch Siemens Hausgeraete Wäschetrockner mit einem Luftführungskanal
DE29611707U1 (de) * 1996-07-05 1997-10-30 AEG Hausgeräte GmbH, 90429 Nürnberg Spiralgehäuse für ein Luftfördergebläse in einem Haushaltsgerät, insbesondere in einem elektrischen Wäschetrockner
DE10021024C1 (de) * 2000-05-02 2001-08-16 Siegenia Frank Kg Lüftungsvorrichtung
US20020056453A1 (en) * 1999-01-18 2002-05-16 Andreas Klopp Blowing device
DE102007021318A1 (de) 2007-05-07 2008-11-13 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugsgehäuse und Dunstabzugshaube
DE102014226298A1 (de) * 2014-12-17 2016-06-23 Mahle International Gmbh Gebläse
FR3034504A1 (fr) * 2015-04-03 2016-10-07 Atlantic Climatisation & Ventilation Module de ventilation d'un systeme de ventilation pour habitation

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DE102007021318A1 (de) 2007-05-07 2008-11-13 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugsgehäuse und Dunstabzugshaube
DE102014226298A1 (de) * 2014-12-17 2016-06-23 Mahle International Gmbh Gebläse
FR3034504A1 (fr) * 2015-04-03 2016-10-07 Atlantic Climatisation & Ventilation Module de ventilation d'un systeme de ventilation pour habitation

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