EP2510861B1 - Agencement de moteur pour un appareil ménager entraîné par moteur électrique - Google Patents

Agencement de moteur pour un appareil ménager entraîné par moteur électrique Download PDF

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Publication number
EP2510861B1
EP2510861B1 EP12163420.8A EP12163420A EP2510861B1 EP 2510861 B1 EP2510861 B1 EP 2510861B1 EP 12163420 A EP12163420 A EP 12163420A EP 2510861 B1 EP2510861 B1 EP 2510861B1
Authority
EP
European Patent Office
Prior art keywords
motor
damping element
housing
fan motor
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.)
Active
Application number
EP12163420.8A
Other languages
German (de)
English (en)
Other versions
EP2510861A2 (fr
EP2510861A3 (fr
Inventor
Armin Böck
Markus Kraus
André Michaelis
Patrick Sell
Thomas Walter
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
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2510861A2 publication Critical patent/EP2510861A2/fr
Publication of EP2510861A3 publication Critical patent/EP2510861A3/fr
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Publication of EP2510861B1 publication Critical patent/EP2510861B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22—Mountings for motor fan assemblies
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4097—Means for exhaust-air diffusion; Exhaust-air treatment, e.g. air purification; Means for sound or vibration damping
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the present invention relates to a motor assembly for an electric motor driven household appliance, in particular for a vacuum cleaner.
  • Vacuum cleaners typically have an electric fan motor, which is usually located inside the vacuum cleaner housing and provides the suction power of the vacuum cleaner.
  • an electric fan motor which is usually located inside the vacuum cleaner housing and provides the suction power of the vacuum cleaner.
  • a vacuum cleaner In order to reduce the noise emissions of a vacuum cleaner, various approaches exist. For example, it may be provided to surround the engine with a variety of noise attenuating materials, which absorb the sound waves generated by the engine and thus reduce the noise emissions. Additionally or alternatively, the quietest possible engines are installed in the vacuum cleaner, which should minimize the noise in advance.
  • the US 2006/026091 A1 discloses a motor assembly for an electric motor driven household appliance, in particular for a vacuum cleaner, with a housing, with a motor capsule, with a blower motor, which is arranged in the mounted state inside the housing and the motor capsule and surrounded by these, with a damping element, which is arranged contour-bound between the housing and the blower motor and which is designed and arranged to dampen vibrations transmitted from the blower motor to the housing, with a fixing device which fixes the damping element, the blower motor and the motor capsule with respect to the housing such that the damping element is biased.
  • German patent application DE 41 00 858 A1 describes a vacuum cleaner with a blower unit, which is surrounded by an inner housing capsule, which is in turn leaving a flow space in an outer housing capsule between which and the housing of the vacuum cleaner, there is a free space in which vacuum cleaner generated by the blower unit air flow through the Flow space is guided to a provided on the vacuum cleaner housing outlet.
  • An improvement of the noise attenuation is achieved in that the flow space is connected directly to the outlet and the outer housing capsule is held supported by means arranged on its outer circumference, noise-damping support means in the vacuum cleaner housing.
  • the present invention has the object to provide an improved engine assembly for a household appliance available.
  • a motor assembly for an electric motor-driven household appliance in particular for a vacuum cleaner, with a housing, with a motor capsule, with a blower motor, which is arranged in the mounted state within the housing and the motor capsule and surrounded by these (preferably completely enclosed) , comprising a damping element, which is arranged contour-bound between the housing and the blower motor and which is designed and arranged to dampen vibrations transmitted from the blower motor to the housing.
  • the idea underlying the present invention is to decouple the fan motor from the housing by means of a contour-bound damping element.
  • the damping element is contour-bound to respective contact surfaces of the fan motor and the housing and is intended to absorb the vibration caused by the fan motor and thus dampen.
  • Contour-bound means in this context that the damping element at least partially surrounds the motor housing of the fan motor and largely has the same shape as that part or those outer surfaces of the motor housing of the fan motor on which it rests. In this way, vibrations of the fan motor can be damped, since there are no gaps and slots between the motor housing and the damping element on the one hand and between the damping element and the housing on the other hand, so that the vibrations generated can be absorbed directly by the damping element.
  • the damping element has for this purpose a material which has the best possible damping properties.
  • the fan motor is mounted inside a motorized capsule mounted to the housing.
  • a motor capsule is a component of a motor assembly, which serves for the insulation of the emissions from the fan motor.
  • This motor capsule is preferably also arranged directly on the damping element and attenuates the noise emission of the fan motor in addition.
  • the blower motor has an (a-side) housing cover and the damping element has an inner contour which corresponds to the outer contour of the housing cover.
  • the damping element surrounds the housing cover of the fan motor to a large extent. In this way, engine vibrations, especially in the axial and in the radial direction, dampen very well.
  • the damping element is arranged or mounted flush with the A-side of the fan motor.
  • the A-side of the blower motor refers to the side on which the drive shaft of the blower motor emerges from the blower motor and which thus designates the drive side. Flushing means, for example, that the damping element is in direct contact with outer surfaces of the fan motor and that there are no other components, elements or a gap between the fan motor and the damping element.
  • the housing has a recess for the fan motor, wherein the damping element is arranged flush in the recess, ie on inner surfaces of the recess.
  • the damping element is made of an elastic plastic, preferably made of PUR.
  • PUR polyurethanes
  • PUR polyurethanes
  • the material for the damping element but other elastic materials can be used, which have good damping properties, such as elastic elements, a resilient suspension and the like.
  • the housing has a positioning device, on which the damping element and the motor capsule are positioned relative to the housing.
  • the housing has a plurality of projections, which engage in corresponding recesses in the damping element and in the motor capsule. The positioning device can ensure that the damping element and the motor capsule are always arranged in an optimum position with respect to the damping effect in the housing.
  • a fixing device which fix the damping element, the fan motor and / or the motor capsule with respect to the housing.
  • the fixing device has a multiplicity of fixing pins which extend through the housing, through the damping element, through the fan motor and / or through the motor capsule. In this way it can be ensured that the damping element, the motor capsule or the motor are fixed against rotation and vibration safe to the housing.
  • the fixing device braces the motor between the housing and the motor capsule, so that the damping element is biased. Due to this configuration, vibrations of the fan motor can be absorbed particularly well by the damping element.
  • the damping of the damping element is adjustable.
  • the hardness and / or the modulus of elasticity of the damping element can be changed in such a way that it optimally are tuned to the dominant vibration frequencies generated by the fan motor.
  • the size and mass of the damping element to the respective boundary conditions, in particular the size and the speed range of the fan motor, can be adjusted. In this way, the engine assembly according to the invention can be applied in different constructions and designs of vacuum cleaners and household appliances.
  • At least one further damping element is provided, which on the side opposite the damping element side of the fan motor, e.g. is arranged on the B side of the blower motor, between the blower motor and motor capsule.
  • the B side refers to the side on which the electric motor is typically mounted.
  • the further damping element is formed contour-bound with respect to the contact surfaces of the fan motor and the motor capsule. With this configuration, the vibrations of the fan motor can be absorbed even better.
  • FIG. 1 shows an exploded perspective view of a motor assembly according to the invention 1.
  • the motor assembly 1 comprises a housing 2, a damping element 3, a fan motor 4 and a motor capsule 5 on.
  • the housing 2 is for example a part of a vacuum cleaner housing, not shown here.
  • the housing 2 has a recess 22. In this recess 22, the damping element 3 is arranged contour-bound.
  • An opening 6 of the housing 2 is aligned with an opening 10 of the damping element 3.
  • the fan motor 4 is also arranged contour-bound. Through the openings 6, 10 extends in the mounted state of the motor assembly, the drive shaft of the fan motor.
  • the fan motor 4 is coupled on the A side to the damping element 3.
  • A-side means that the motor with its drive side (at which the drive shaft with the fan extends to the outside) is arranged on the damping element.
  • the fan motor 4 is enclosed by the motor capsule 5.
  • the motor capsule 5 is also, like the fan motor 4, coupled to the damping element 3 directly and contour-bound.
  • a positioning device 7 is provided, with which the damping element 3 is positioned in the housing 2.
  • the positioning means 7 is formed by three projections which extend through recesses 8 in the damping element 3 and through recesses 9 in the motor capsule. Through the recesses 8, 9 also fixing pins 15 may extend, which clamp the fan motor 4 between the housing 2 and the motor capsule 5 and which clamp the damping element 3.
  • the fan motor 4 can be completely isolated from the housing 2 vibration isolation. Thus, no vibrations are transmitted from the fan motor 4 to the housing 2, whereby the noise emission of the household appliance is largely suppressed.
  • the damping element 3 a material is preferably provided which has good damping properties.
  • the damping element 3 is formed of polyurethane.
  • other plastics in particular thermoplastic and / or thermoset and / or thermoelastic plastics, come for the formation of the damping element 3 in question.
  • the fan motor 4 bears contour-bound on the damping element 3.
  • the damping element 3 is applied to the lateral surface 17 of the fan motor 4 with the contact zone 18 at.
  • the blower motor 4 abuts against a neck 20 on the inner side 19 of the opening 6 of the damping element 3.
  • the motor housing rests against an end face 12 of the damping element 3 on its end face 11.
  • a projection 14 is formed here, which extends into a recess 13 of the damping element 3.
  • the projection 14 extends over the entire end face 11 of the fan motor 4 and engages in the recess 13 of the damping element 3, which is formed according to the projection 14, a.
  • the damping element 3 surrounds the fan motor 4 both axially and radially, so that vibrations of the fan motor 4 directed in all directions in space can be accommodated.
  • Figure 3 shows a sectional view of a motor assembly 1 in the assembled state and Fig. 4 shows a perspective view of a motor assembly in the mounted state.
  • the motor capsule 5 is here coupled directly to the damping element 3 and lies contour-bound to this.
  • the blower motor 4 is further coupled directly to the damping element 3.
  • a further damping element 23 is arranged on the B side of the fan motor 4 within the motor capsule 5.
  • the further damping element 23 has - as the damping element 3 - to prevent the task that vibrations of the fan motor 4 are transmitted to the housing 2.
  • the further damping element 23, like the damping element 3, is made of an elastic material, e.g. Polyurethane.
  • the motor capsule 5 of the motor assembly 1 in this embodiment also has reinforcing ribs 21, which increase the stability of the motor capsule 5. Thus, the vibrations of the engine capsule 5 are reduced.
  • the present invention has been fully described above with reference to preferred embodiments, it is not limited thereto but is modifiable in a variety of ways.
  • the invention is not limited exclusively to designed as a vacuum cleaner household appliances, but can also be used advantageously in other electric motor driven household appliances, such as juicers, coffee machines, food processors, etc.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (7)

  1. Agencement de moteur (1) pour un appareil ménager entraîné par un moteur électrique, notamment pour un aspirateur, comprenant
    un boîtier (2),
    un carter de moteur (5)
    un moteur de ventilateur (4) qui à l'état monté est disposé à l'intérieur du boîtier (2) et du carter de moteur (5) et est entouré par ceux-ci,
    un élément d'amortissement (3), qui est disposé de façon à être relié dans son contour entre le boîtier (2) et le moteur de ventilateur (4) et qui est dimensionné et agencé de façon à amortir les vibrations transmises par le moteur du ventilateur (4) au boîtier (2), et
    un dispositif de fixation (15) qui fixe l'élément d'amortissement (3), le moteur de ventilateur (4) et le carter de moteur (5) par rapport au boîtier de telle manière que l'élément d'amortissement (3) est précontraint, caractérisé en ce que le boîtier (2) comprend une cavité (22) pour le moteur de ventilateur (4), et dans lequel l'élément d'amortissement (3) est agencé en affleurement dans la cavité (22).
  2. Agencement de moteur (1) selon la revendication 1, caractérisé en ce que le moteur de ventilateur (4) comprend un couvercle de boîtier et l'élément d'amortissement (3) comporte un contour intérieur qui correspond au contour extérieur du couvercle du boîtier.
  3. Agencement de moteur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'amortissement (3) est agencé ou appliqué en affleurement au côté du moteur de ventilateur (4) sur lequel l'arbre d'entraînement du moteur de ventilateur débouche à partir du moteur de ventilateur.
  4. Agencement de moteur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'amortissement (3) est constitué d'une matière plastique élastique, de préférence de polyuréthane.
  5. Agencement de moteur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le boîtier (2) comprend un moyen de positionnement (7), sur lequel l'élément d'amortissement (3) et le carter de moteur (5) sont positionnés par rapport au boîtier (2).
  6. Agencement de moteur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'amortissement de l'élément d'amortissement (3) est réglable.
  7. Agencement de moteur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un élément d'amortissement complémentaire (23) est prévu, lequel est disposé au niveau des côtés du moteur de ventilateur (4) opposés à l'élément d'amortissement (3), entre le moteur de ventilateur (4) et le carter de moteur (5).
EP12163420.8A 2011-04-12 2012-04-05 Agencement de moteur pour un appareil ménager entraîné par moteur électrique Active EP2510861B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110007206 DE102011007206A1 (de) 2011-04-12 2011-04-12 Motoranordnung für ein elektromotorisch angetriebenes Haushaltsgerät

Publications (3)

Publication Number Publication Date
EP2510861A2 EP2510861A2 (fr) 2012-10-17
EP2510861A3 EP2510861A3 (fr) 2014-08-13
EP2510861B1 true EP2510861B1 (fr) 2018-06-13

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Application Number Title Priority Date Filing Date
EP12163420.8A Active EP2510861B1 (fr) 2011-04-12 2012-04-05 Agencement de moteur pour un appareil ménager entraîné par moteur électrique

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EP (1) EP2510861B1 (fr)
DE (1) DE102011007206A1 (fr)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
GB2504520B (en) 2012-08-01 2016-05-18 Dyson Technology Ltd Motor mount
GB2506654B (en) 2012-10-05 2017-05-03 Dyson Technology Ltd Vibration isolation mount for an electric motor
US9726252B2 (en) * 2012-12-19 2017-08-08 Nidec Motor Corporation Frequency altering brace for an electric motor
GB2513661B (en) * 2013-05-03 2016-03-16 Dyson Technology Ltd Vibration isolation mount
WO2017076704A1 (fr) * 2015-11-02 2017-05-11 Koninklijke Philips N.V. Dispositif de montage d'un moteur d'appareil électrique
CN105662277B (zh) * 2016-03-02 2018-03-30 江苏美的清洁电器股份有限公司 吸尘器的尘杯组件及具有其的吸尘器
IT201900004275A1 (it) * 2019-03-25 2020-09-25 Emak Spa Attrezzo da lavoro dotato di un elemento smorzatore
CN112223582A (zh) * 2020-10-20 2021-01-15 山东朗晖石油化学股份有限公司 Pvc糊树脂脱泡方法及设备

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JPH0665332B2 (ja) * 1987-05-06 1994-08-24 株式会社日立製作所 電気掃除機
DE4100858A1 (de) * 1991-01-14 1992-07-16 Siemens Ag Staubsauger mit einem geblaeseaggregat
KR930001867A (ko) * 1991-07-26 1993-02-22 배순훈 저소음 진공청소기
DE19620960A1 (de) * 1996-02-10 1997-08-14 Vorwerk Co Interholding Dichtungselement
KR100233513B1 (ko) 1997-09-23 1999-12-01 구자홍 진공청소기의 공기유로구조
SE0202109D0 (sv) * 2002-07-04 2002-07-04 Electrolux Ab Ljuddämpande anordning för dammsugare
SE0302705D0 (sv) * 2003-10-13 2003-10-13 Electrolux Ab Vacuum cleaner outlet
KR100676317B1 (ko) * 2005-05-18 2007-01-30 삼성광주전자 주식회사 진공청소기
DE102005058940B4 (de) * 2005-12-09 2015-02-05 Vorwerk & Co. Interholding Gmbh Schnelllaufender Elektromotor
JP4358278B2 (ja) * 2008-02-08 2009-11-04 株式会社東芝 電気掃除機およびその製造方法

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Also Published As

Publication number Publication date
EP2510861A2 (fr) 2012-10-17
DE102011007206A1 (de) 2012-10-18
EP2510861A3 (fr) 2014-08-13

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