EP2436295B1 - Appareil ménager avec isolation de moteur - Google Patents

Appareil ménager avec isolation de moteur Download PDF

Info

Publication number
EP2436295B1
EP2436295B1 EP11181182.4A EP11181182A EP2436295B1 EP 2436295 B1 EP2436295 B1 EP 2436295B1 EP 11181182 A EP11181182 A EP 11181182A EP 2436295 B1 EP2436295 B1 EP 2436295B1
Authority
EP
European Patent Office
Prior art keywords
composite material
plastic
household appliance
leather
appliance 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
EP11181182.4A
Other languages
German (de)
English (en)
Other versions
EP2436295A3 (fr
EP2436295A2 (fr
Inventor
Marko Geis
Thomas GÖPPNER
Roland Illig
Thomas Seith
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 EP2436295A2 publication Critical patent/EP2436295A2/fr
Publication of EP2436295A3 publication Critical patent/EP2436295A3/fr
Application granted granted Critical
Publication of EP2436295B1 publication Critical patent/EP2436295B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 invention relates to a household appliance, in particular a floor cleaning device; according to the preamble of claim 1.
  • cover elements serve to achieve electrical safety and / or noise insulation and / or thermal insulation.
  • cover elements of this type also frequently assume the function of a guide element which directs an air flow, in particular an air flow to be blown out, in a desired direction.
  • the invention has for its object to provide a household appliance with an electric motor and a cover for the electric motor, in which the cover is simple and inexpensive to manufacture and has improved noise and thermal insulation properties.
  • a household appliance in particular a floor cleaning device, comprises an electric motor and at least one cover element for the electric motor, the at least one cover element consisting at least in partial areas of a composite material which contains at least one plastic and leather.
  • Leather is known to be an animal skin chemically preserved by tanning, the natural fiber structure of which is largely preserved. It is a supple, tough, relatively strong, durable and versatile material. Leather is relatively impermeable to water, yet it is breathable, ie sufficiently permeable to air and water vapor.
  • Such a composite material comprising at least one plastic and leather, is characterized by increased thermal and acoustic insulation compared to conventional cover elements made solely of plastics, but is nevertheless simple and inexpensive, e.g. can be processed in an injection molding process.
  • the plastic can e.g. a plastic based on polyethylene or polypropylene can be used.
  • the degree of hardness of the composite material can be varied within a wide range by using an appropriate plastic.
  • the cover element can take on a variety of tasks. For example, it can be used directly for noise insulation and / or thermal insulation. In this case an improved insulation effect is achieved through the use of the composite material. This can either be used to further reduce the noise perceptible outside the cover and / or the heat radiated to the outside, or to achieve the desired heat and noise insulation with a lower material thickness of the cover element and the associated material savings.
  • a cover element can at least primarily also be used for other purposes, such as to achieve electrical safety or, in the case of a floor cleaning device, also to guide an air stream, in particular an air stream to be blown out.
  • additional measures for heat and noise insulation may be dispensed with due to the improved heat and sound damping properties of the composite material.
  • the composite material has leather fibers which are embedded in the at least one plastic.
  • the plastic acts as a supporting matrix for the leather fibers so that the cover element can also withstand mechanical loads.
  • One embodiment of the invention provides that the volume fraction of the leather in the composite material is 10 to 70%.
  • the lower limit is determined by the desired additional insulation effect and the upper limit by the required mechanical strength.
  • the cover element comprises a core element and at least one sheath element surrounding the core element at least in partial areas, wherein at least the core element and / or at least one of the sheath elements consists of the composite material.
  • a jacket element or core element not consisting of the composite material also consists of a plastic or another plastic composite material different from the composite material.
  • the further plastic composite material can also be a further leather composite material which differs from the composite material in that it has a different volume fraction of the leather and / or another plastic component.
  • the core element and the casing element can contain different plastic components, so that the cover element can be optimally adapted to the respective specific requirements.
  • FIG. 1 shows a sectional view of a household appliance according to the invention in the form of a vacuum cleaner.
  • FIG 1 is a sectional view of a vacuum cleaner 1 which has a housing 2.
  • a dust chamber 3 in which an exchangeable filter bag can be arranged.
  • an electric motor in the form of a blower motor 4 is arranged in the housing 2.
  • An air sucked in by the blower motor 4 gets into the easy-change filter bag during suction via a floor nozzle, not shown, and a suction hose, not shown, which filters out the dust and / or dirt particles, then passes through the blower motor 4, a blow-out filter 5, and finally passes through outlet openings in the form of a Exhaust grille 6 back out of the housing 2 of the vacuum cleaner 1.
  • the blower motor 4 is surrounded in a partial area by a cover element 7, which is often also referred to as a capsule.
  • This cover element 7 serves, on the one hand, to guide the air flow to be blown out, which in Figure 1 is shown in the form of arrows 8.
  • the cover element 7 is also used for heat and noise insulation.
  • the electrical element of the vacuum cleaner 1 is also ensured by the cover element, which in the exemplary embodiment shown forms a type of motor housing for the blower motor 4 together with parts of the housing 2 of the vacuum cleaner. Since the general structure of a vacuum cleaner is generally known, it will not be dealt with otherwise.
  • the cover element 7 is e.g. manufactured by an injection molding process from a composite material which contains at least one plastic and leather.
  • the leather can e.g. be embedded in the plastic in the form of leather fibers.
  • the leather fibers can be obtained from leather waste, for example.
  • Suitable plastics are e.g. Polyethylene or polypropylene-based plastics.
  • the volume fraction of the leather is preferably in a range of 10-70%.
  • the cover element 7 can also have a core element and at least one jacket element at least partially surrounding this core element. It is then possible to manufacture only one of the elements from the leather composite material and the other element from a different material, such as a pure plastic or another plastic composite material, in particular also another leather composite material. Depending on the specific requirements, a plastic that is different from the plastic of the leather composite material can be used.
  • the design of the respective other plastic-based element offers the advantage that the entire cover element 7 can then still be manufactured in one operation, for example with the aid of an injection molding process.
  • the illustrated embodiment of the vacuum cleaner has only one cover element 7.
  • cover elements can also be provided, which then consist entirely or partially of the leather composite material.
  • the invention has been explained with the aid of a vacuum cleaner, but is of course also applicable to all other household appliances with an electric motor, in which noise and / or thermal insulation are relevant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
  • Motor Or Generator Frames (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Claims (9)

  1. Appareil ménager, avec
    - un moteur électrique (4) et
    - au moins un élément formant couvercle (7) pour le moteur électrique (4),
    caractérisé en ce que l'au moins un élément formant couvercle (7) est constitué au moins dans certaines zones d'un matériau composite, lequel contient au moins une matière plastique et du cuir.
  2. Appareil ménager selon la revendication 1, caractérisé en ce que l'appareil ménager est un appareil de nettoyage pour sols (1), dans lequel l'élément formant couvercle (7) est conçu pour le guidage d'un flux d'air.
  3. Appareil ménager selon la revendication 1 ou la revendication 2, caractérisé en ce que l'élément formant couvercle (7) est conçu pour isoler du bruit et/ou de la chaleur.
  4. Appareil ménager selon l'une des revendications 1 à 3, caractérisé en ce que le matériau composite comprend des fibres de cuir, lesquelles sont incorporées dans l'au moins une matière plastique.
  5. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que la fraction volumique du cuir dans le matériau composite va de 10 à 70 %.
  6. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que l'élément formant couvercle (7) comporte un élément formant noyau et au moins un élément formant enveloppe entourant au moins dans certaines zones l'élément formant noyau, dans lequel au moins l'élément formant noyau et/ou au moins l'un des éléments formant enveloppe sont constitués de la matière composite.
  7. Appareil ménager selon la revendication 6, caractérisé en ce qu'un élément formant enveloppe ou élément formant noyau non constitué de la matière composite est constitué d'une matière plastique ou d'une autre matière plastique-matière composite.
  8. Appareil ménager selon la revendication 7, caractérisé en ce que la matière plastique du matériau composite et la matière plastique de l'élément formant noyau ou élément formant enveloppe non constitué de la matière composite sont différentes.
  9. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que l'élément formant couvercle est fabriqué par un procédé de moulage par injection.
EP11181182.4A 2010-09-29 2011-09-14 Appareil ménager avec isolation de moteur Active EP2436295B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010041682A DE102010041682B3 (de) 2010-09-29 2010-09-29 Haushaltsgerät

Publications (3)

Publication Number Publication Date
EP2436295A2 EP2436295A2 (fr) 2012-04-04
EP2436295A3 EP2436295A3 (fr) 2017-04-19
EP2436295B1 true EP2436295B1 (fr) 2020-02-19

Family

ID=44651299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11181182.4A Active EP2436295B1 (fr) 2010-09-29 2011-09-14 Appareil ménager avec isolation de moteur

Country Status (2)

Country Link
EP (1) EP2436295B1 (fr)
DE (1) DE102010041682B3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106073631B (zh) * 2016-08-10 2019-01-11 天佑电器（苏州）有限公司 一种电机降噪结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2021298A (en) * 1932-03-14 1935-11-19 Electrolux Corp Vacuum cleaner
JPH11514264A (ja) * 1995-10-10 1999-12-07 ニルフイスク アクテイーゼルスカブ 吸込みクリーナ用サイレンサ
KR101333885B1 (ko) * 2008-11-05 2013-11-27 악티에볼라겟 엘렉트로룩스 진공 청소기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2436295A3 (fr) 2017-04-19
EP2436295A2 (fr) 2012-04-04
DE102010041682B3 (de) 2011-11-17

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