EP2436295A2 - Appareil ménager avec isolation de moteur - Google Patents

Appareil ménager avec isolation de moteur Download PDF

Info

Publication number
EP2436295A2
EP2436295A2 EP11181182A EP11181182A EP2436295A2 EP 2436295 A2 EP2436295 A2 EP 2436295A2 EP 11181182 A EP11181182 A EP 11181182A EP 11181182 A EP11181182 A EP 11181182A EP 2436295 A2 EP2436295 A2 EP 2436295A2
Authority
EP
European Patent Office
Prior art keywords
composite material
plastic
domestic appliance
appliance according
cover
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.)
Granted
Application number
EP11181182A
Other languages
German (de)
English (en)
Other versions
EP2436295A3 (fr
EP2436295B1 (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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens 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 Many household appliances have an electric motor, which is surrounded at least in some areas by one or more cover elements.
  • the cover serve to achieve electrical safety and / or noise reduction and / or thermal insulation.
  • cover elements also often assume the function of a guide element which directs an air flow, in particular a stream of air to be discharged, in a desired direction.
  • the invention has for its object to provide a household appliance with an electric motor and a Adeckelement for the electric motor, in which the cover is simple and inexpensive to produce and has improved noise and thermal insulation properties.
  • a household appliance in particular a floor cleaning appliance, comprises an electric motor and at least one covering element for the electric motor, the at least one covering element consisting at least in partial areas of a composite material which contains at least one plastic and leather.
  • Leather is known to be chemically preserved by tanning animal skin whose natural fiber structure 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 distinguished by an increased heat and sound insulation compared to conventional covering elements made entirely of plastics, but is nevertheless simple and inexpensive, e.g. as part of an injection molding process, processable.
  • a plastic e.g. use a polyethylene-based or polypropylene-based plastic.
  • the degree of hardness of the composite material can be varied within a wide range.
  • the cover can take on a variety of tasks. For example, it can be used directly for noise reduction 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 perceivable outside the cover and / or the radiated heat to the outside or to achieve the desired heat and noise insulation with lower material thickness of the cover and associated material savings.
  • a cover member may at least primarily serve other purposes, such as e.g. Achieving electrical safety or, in the case of a floor cleaning appliance, also guiding an air flow, in particular a stream of air to be discharged, serve. In this case, it may be possible to dispense with additional measures for heat and noise insulation due to the improved heat and sound damping properties of the composite material.
  • the composite material on leather fibers which are embedded in the at least one plastic.
  • the plastic acts as a supporting matrix for the plastic fibers, so that the cover can withstand mechanical stresses well.
  • An embodiment of the invention provides that the volume fraction of the leather on 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 regions, wherein at least the core element and / or at least one of the sheath elements consists of the composite material.
  • a non-existing composite material jacket element or core element also consists of a plastic or another, different from the composite material, plastic composite material.
  • the further plastic composite material may also be a further leather composite material, which differs from the composite material by a different volume fraction of the leather and / or another plastic component.
  • the core element and the jacket element may 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 is shown which has a housing 2.
  • a dust chamber 3 in which a replaceable filter bag can be arranged.
  • an electric motor in the form of a blower motor 4 is arranged in the housing 2.
  • a suctioned by the fan motor 4 air passes while sucking on a floor nozzle, not shown, and a filter bag, not shown, which filters out the dust and / or dirt particles, then passes the fan motor 4, an exhaust filter 5 and finally passes through outlet openings in the form of a Outlet grille 6 again from the housing 2 of the vacuum cleaner 1 to the outside.
  • the fan motor 4 is surrounded in a partial area by a cover element 7, which is often referred to as a capsule.
  • This cover member 7 serves to guide the air stream to be bled, which in FIG. 1 in the form of arrows 8 is shown.
  • the cover 7 but also for heat and noise insulation.
  • the electrical safety of the vacuum cleaner 1 is ensured by the cover, which forms a kind of motor housing for the fan motor 4 in the illustrated embodiment, together with parts of the housing 2 of the vacuum cleaner. Since the general structure of a vacuum cleaner is well known, it will not be discussed otherwise.
  • the cover member 7 is e.g. made by injection molding of a composite material containing at least one plastic and leather.
  • the leather may e.g. be embedded in the plastic in the form of leather fibers.
  • the leather fibers can be obtained, for example, from leather waste.
  • plastic e.g. Polyethylene or polypropylene based plastics.
  • the volume fraction of the leather is preferably in a range of 10 - 70%.
  • the cover 7 may also have a core element and at least one of these core element at least partially surrounding the jacket element. It is then possible to manufacture only one of the elements of the leather composite material and the other element of a different material, such as. a pure plastic or other plastic composite material, in particular also another leather composite material to produce. Depending on the specific requirements can also be used in comparison to the plastic of the leather composite material different plastic.
  • each other plastic-based element has the advantage that then the entire cover 7 can still be made in one operation, for example by means of an injection molding process.
  • the illustrated embodiment of the vacuum cleaner has only one cover 7. Of course, however, several cover elements may be provided, which then all or partially made of the leather composite material.
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 true EP2436295A2 (fr) 2012-04-04
EP2436295A3 EP2436295A3 (fr) 2017-04-19
EP2436295B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106073631A (zh) * 2016-08-10 2016-11-09 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
CN102333472B (zh) * 2008-11-05 2014-04-16 伊莱克斯公司 真空吸尘器

Non-Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106073631A (zh) * 2016-08-10 2016-11-09 天佑电器（苏州）有限公司 一种电机降噪结构
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

Also Published As

Publication number Publication date
EP2436295A3 (fr) 2017-04-19
DE102010041682B3 (de) 2011-11-17
EP2436295B1 (fr) 2020-02-19

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