EP3587651A1 - Machine de traitement du linge comprenant un tonneau ou un tambour - Google Patents

Machine de traitement du linge comprenant un tonneau ou un tambour Download PDF

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Publication number
EP3587651A1
EP3587651A1 EP19179405.6A EP19179405A EP3587651A1 EP 3587651 A1 EP3587651 A1 EP 3587651A1 EP 19179405 A EP19179405 A EP 19179405A EP 3587651 A1 EP3587651 A1 EP 3587651A1
Authority
EP
European Patent Office
Prior art keywords
layer
drum
laundry treatment
treatment machine
machine 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.)
Granted
Application number
EP19179405.6A
Other languages
German (de)
English (en)
Other versions
EP3587651B1 (fr
Inventor
Marco Rüchel
Sven Krumbiegel
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3587651A1 publication Critical patent/EP3587651A1/fr
Application granted granted Critical
Publication of EP3587651B1 publication Critical patent/EP3587651B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 

Definitions

  • the invention relates to a laundry treatment machine comprising a tub or a drum, at least one first layer having a noise-damping effect being arranged on an outside of a jacket of the tub or the drum.
  • Such a laundry treatment machine is for example from the DE 1 938 115 U. known.
  • the previously known washing machine has a tub and a drum rotating in the tub, a jacket of the tub being provided on the outside with an insulating layer.
  • This insulating layer essentially serves to reduce the heat radiation from the tub.
  • the insulating layer has a noise-dampening effect.
  • the invention thus presents the problem of specifying a laundry treatment machine with a tub or a drum, in which good and long-lasting noise reduction can be achieved with little effort.
  • a laundry treatment machine with the features of claim 1, according to which the laundry treatment machine comprises a tub or a drum and at least one first layer with a noise-damping effect is arranged on an outside of a jacket of the tub or the drum, characterized in that the at least one first layer is designed as a chemically reactive polymer.
  • the advantage achievable with the invention is in particular that good and long-lasting noise damping can be achieved with little effort.
  • the formation of the at least one first layer as a chemically reactive polymer enables an intimate and thus permanent connection between the first layer and the outside of the jacket of the tub or the drum.
  • the first layer according to the invention is intimately and firmly connected to the outside of the jacket of the tub or the drum, even under difficult environmental conditions.
  • the first layer, which is designed as a chemically reactive polymer can also be used to compensate for unevenness in the surface of the outside of the jacket. Washing machines with a tub are, for example, washing machines for use in the household or in commercial use.
  • Laundry treatment machines with a drum can be, for example, tumble dryers for the household or for the trade commercial use.
  • the chemically reactive polymer can be designed, for example, as a one-component polymer or two-component polymer.
  • the polymer can be, for example, a polyurethane or an epoxy resin.
  • the at least one first layer can be single-layer or multi-layer.
  • a particularly advantageous development of the laundry treatment machine according to the invention provides that at least one second layer of a chemically reactive polymer is arranged on an outside of a base of the tub or the drum.
  • the noise-dampening effect is significantly improved.
  • the at least one first layer apply analogously to the at least one second layer.
  • the chemically reactive polymer for the at least one second layer can be designed, for example, as a one-component polymer or two-component polymer.
  • the polymer can also be, for example, a polyurethane or an epoxy resin.
  • the at least one second layer can be single-layer or multi-layer.
  • the at least one first layer and the at least one second layer are of the same material. This simplifies the manufacture of the laundry treatment machine according to the invention.
  • the at least one first layer and the at least one second layer can be applied with the essentially the same or the same device.
  • the specific density of the first layer and / or the second layer is greater than or equal to 1.4 g / cm 3 , preferably greater than or equal to 2 g / cm 3 . In this way, the noise-damping effect of the at least one first layer and / or the at least one second layer is improved.
  • a further advantageous development of the laundry treatment machine according to the invention provides that the glass transition area of the first layer and / or the second layer is approximately 25 ° C. to approximately 60 ° C., preferably approximately 25 ° C. to approximately 35 ° C. This further improves the sound-absorbing effect of the at least one first layer and / or the at least one second layer.
  • a particularly advantageous development of the laundry treatment machine according to the invention provides that the at least one first layer is substantially uniform over the entire free area of the outside of the jacket of the tub or the drum and / or the at least one second layer is substantially uniform over the entire free area of the Outside of the bottom of the Suds container or the drum are arranged / is distributed. Due to the essentially uniform distribution of the at least one first layer over the entire free area of the outside of the jacket and / or the at least one second layer over the entire free area of the outside of the bottom, the noise-damping effect can be achieved with less use of chemically reactive polymer , A substantially uniform distribution does not only include an essentially full-area coverage of the respective total free area, but also only a partial coverage of the respective total free area.
  • a further advantageous development of the laundry treatment machine according to the invention provides that the at least one first layer and / or the at least one second layer are / are each formed as a strip.
  • a material-saving arrangement of the at least one first layer and / or the at least one second layer can be implemented in a technically simple manner.
  • the at least one first layer formed as a strip is arranged substantially uniformly distributed over the entire free surface of the outside of the jacket of the tub or the drum and / or that the at least one second layer formed as strip is essentially uniform is distributed over the entire free area of the outside of the bottom of the tub or the drum.
  • a particularly advantageous development of the aforementioned embodiment of the laundry treatment machine according to the invention provides that the at least one first layer and / or the at least one second layer are / is designed as a single continuous strip. This simplifies the arrangement of the first layer on the outside of the jacket and / or the second layer on the outside of the bottom. In addition, the first layer and / or the second layer can thereby be applied in a time-saving manner.
  • the at least one first layer and / or the at least one second layer are designed and arranged such that the at least one first layer and / or the at least one second layer is applied by means of a single application device the tub or drum can be attached. In this way, the manufacture of the laundry treatment machine according to the invention is further simplified.
  • a first exemplary embodiment of a laundry treatment machine is partially shown.
  • the laundry treatment machine is designed as a laundry dryer for the household and comprises a drum 4 which can be rotated about an axis of rotation 2 for receiving the laundry to be dried.
  • the laundry is not shown.
  • the drum 4 has a jacket 6 and a bottom 8. On the end face arranged opposite the bottom 8, the drum 4 has an opening 10 for loading and unloading the drum 4 with laundry.
  • the jacket 6 of the drum 4 has a so-called honeycomb structure 12. Correspondingly, the jacket 6 is profiled in the area of the honeycomb structure 12. In the Fig. 1a visible outside of the jacket 6 is therefore not flat in the area of the honeycomb structure 12.
  • the jacket 6 In an opening-side section of the jacket 6 facing the opening 10, the jacket 6 has two contact strips 14 for residual moisture sensing of the laundry.
  • the two circumferential contact strips 14 are approximately 4 mm high.
  • the drum 4 In an operating state of the tumble dryer, the drum 4 is rotated about the axis of rotation 2 in a manner known to the person skilled in the art by means of a drive belt (not shown).
  • first layers 16 are arranged on the outside of the casing 6.
  • the first two layers 16 are each formed as a chemically reactive polymer and are made in one layer.
  • the first layers 16 are formed as a polyurethane.
  • the two first layers 16 are each formed as a strip and have a height of slightly less than 4 mm. Accordingly, the two first layers 16 do not protrude beyond the contact strips 14. How out Fig. 1b It can be seen that the two first layers 16, which are designed as single-layer strips, are only essentially circumferential and each have a gap 17 in an area required for screw connections.
  • the first two layers 16 each have a density of approximately 2 g / cm 3 and a glass transition area of approximately 30 ° C.
  • the two first layers 16 are of the same material.
  • the drive belt is in the image plane of Fig. 1a arranged to the right of the first two layers 16.
  • the unevenness of the outside of the jacket 6 of the drum 4 due to the honeycomb structure 12 can be compensated for by means of the formation of the first layers 16 as a chemically reactive polymer.
  • the intimate and firm connection of the first layers 16 is not affected by the unevenness.
  • the clothes dryer according to the present exemplary embodiment has a second layer 18, which is arranged approximately in a ring on the bottom 8 of the drum 4.
  • the second layer 18 is essentially all-round, single-layer and of the same material as the two first layers 16.
  • the second layer 18 has a density of approximately 2 g / cm 3 and a glass transition area of approximately 30 ° C.
  • the height of the second layer 18 is dimensioned such that the second layer 18 does not protrude beyond the edge of the base 8. See also Fig. 1a ,
  • the two first layers 16 have the same material as the second layer 18, it is also possible for the two first layers 16 and the second layer 18 to be able to be applied to the drum 4 by means of a single application device. Furthermore, from the 1a and 1b and it can be seen from the above explanations that the two first layers 16 and the second layer 18 are designed and arranged in such a way that the two first layers 16 and the second layer 18 can be arranged in a space available in conventional clothes dryers.
  • the 2a and 2b show a second embodiment of a laundry treatment machine according to the invention. This is also designed as a household clothes dryer and is only partially shown.
  • the present exemplary embodiment has a total of four first layers 16 running in parallel.
  • the first layers 16 are each interrupted by means of a gap 17 in an area of the jacket 6 of the drum 4 which is required for screw connections.
  • the first layers 16, each formed as a strip are therefore only essentially circumferential.
  • improved noise damping is achieved in the second exemplary embodiment by doubling the number of first layers 16 designed as strips. Among other things, this has a manufacturing advantage.
  • the first layers 16 for tumble dryers according to the first exemplary embodiment and according to the second exemplary embodiment, that is to say with more or less sound absorption.
  • the drive belt not shown, is in the second embodiment in the image plane of Fig. 2a arranged between the two right-hand first layers 16. A substantially uniform distribution of the first layers 16 over the entire free area of the outside of the jacket 6 of the drum 4 can thus also be improved.
  • the third exemplary embodiment shown essentially corresponds to the second exemplary embodiment.
  • the width of the first layers 16, which are designed as single-layer strips are substantially reduced in each case.
  • the degree of sound absorption largely depends on an essentially uniform distribution of the first and second layers 16, 18 over the entire free area of the outside of the jacket 6 and the bottom 8.
  • the material can be saved considerably by reducing the width of the individual strips 16 and, at the same time, adequate sound absorption can be achieved in comparison with the second exemplary embodiment.
  • the 4a and 4b show a fourth embodiment.
  • the at least one first layer 16 is here formed only as a single, continuous strip 16. This has advantages in terms of production technology, for example, since, unlike in the first three exemplary embodiments, the first layer 16 according to the third exemplary embodiment does not have to be removed.
  • the single first layer 16 designed as a continuous strip can therefore be completely applied to the outside of the jacket 6 in a single application step by means of an application device (not shown).
  • the first layer 16, which is designed as a continuous strip is meandering, that is to say, serpentine. Due to the meandering shape of the first layer 16 adapted to the specific conditions of the drum 4, an interruption of the first layer 16 is not necessary in the present exemplary embodiment, for example due to the area of the shell 6 of the drum 4 required for screwing.
  • a fifth embodiment is shown.
  • a single first layer 16 is designed as a continuous strip 16.
  • the continuous strip 16 in the present exemplary embodiment is arranged helically, that is to say helically, on the outside of the jacket 6 of the drum 4.
  • this type of arrangement of the continuous strip 16 has the manufacturing advantage that the application device for applying the first Strip 16 on the outside of the jacket 6 has to be moved much less. Correspondingly fewer forces act on the construction of the application device. In addition, this is associated with a not inconsiderable time saving.
  • FIGS 6a to 6c A particularly advantageous embodiment of the laundry treatment machine according to the invention is shown in the sixth exemplary embodiment in FIGS 6a to 6c shown.
  • the sixth exemplary embodiment has two strips 16 which are each formed continuously, namely a continuous strip 16 in the respective image plane of 6a to 6c above and a continuous strip 16 in the respective image plane of 6a to 6c below, the upper continuous strip 16 being of a helical configuration analogous to the continuous strip of the fifth exemplary embodiment, while the lower continuous strip 16 essentially only forms a closed strip 16, the ends of which abut each other.
  • the sixth exemplary embodiment has two strips 16 which are each formed continuously, namely a continuous strip 16 in the respective image plane of 6a to 6c above and a continuous strip 16 in the respective image plane of 6a to 6c below, the upper continuous strip 16 being of a helical configuration analogous to the continuous strip of the fifth exemplary embodiment, while the lower continuous strip 16 essentially only forms a closed strip 16, the ends of which abut each other.
  • the arrangement of the strips 16 on the jacket 6 selected in the sixth embodiment results in a more uniform distribution of the first strips 16 over the entire free surface of the outside of the jacket 6 compared to the latter two embodiments.
  • the upper continuous strip 16 extends in a screw shape over the outside of the casing 6 of the drum 4.
  • the pitch of the screw shape is not continuous, that is to say constant, but rather abrupt. See the 6a to 6c in a synopsis. In this way, an essentially uniform distribution of this first layer 16 over the entire free surface of the outside of the jacket 6 is achieved.
  • areas of the jacket 6 of the drum 4 required for screw connections are left out without having to interrupt the upper first layer 16, that is to say the upper continuous strip 16.
  • the drive belt not shown, is arranged in the space between the upper continuous strip 16 and the lower continuous strip 16.
  • the lower first layer 16 that is to say the lower continuous strip 16 ensures that the uniformity of the distribution of the two first layers 16 on the outside of the casing 6 of the drum 4 is improved.
  • the seventh exemplary embodiment has two strips 16 which are each formed continuously, namely a continuous strip 16 in the image plane of Fig. 7a left and a continuous stripe 16 in the image plane of Fig. 7a right, wherein the left continuous strip 16 is helical, similar to the continuous strip of the sixth embodiment, while the right continuous Strip 16 essentially only forms a closed strip 16, the ends of which abut each other.
  • the drive belt is arranged in the space between the left continuous strip 16 and the right continuous strip 16.
  • the two continuous strips 16 in the seventh embodiment have a reduced width compared to the continuous strips in the sixth embodiment. This results in comparison to the 6a to 6c in the image planes of 7a to 7c more adjacent strip sections of the left continuous strip 16. Because of the smaller width of the two continuous strips 16 of the seventh exemplary embodiment, the course of the respective strip 16 can be better adapted to the requirements of the individual case. Thus, the uniformity in the distribution of the at least one first layer 16 on the outside of the jacket 6 of the drum 4 is further improved.
  • the invention is not limited to the present exemplary embodiments.
  • the invention can also be used advantageously in other laundry treatment machines.
  • washing machines with tubs should be mentioned here.
  • the invention can be used both in household appliances and in appliances for the commercial, ie professional, field.
  • the chemically reactive polymer does not necessarily have to be a polyurethane or an epoxy resin.
  • Other chemically reactive polymers can also be used according to the invention.
  • the embodiments for the arrangement of the at least one first layer on the jacket and the at least one second layer on the bottom are to be understood as examples. Accordingly, other shapes for the at least one strip, whether continuous or discontinuous, are also conceivable. For example, individual strips, themselves or among themselves, can also cross.
  • the chemically reactive polymer for the at least one first layer or the at least one first and the at least one second layer can be freely selected in wide suitable limits in terms of type, material, dimensions, shape and arrangement. This applies in particular to the density, the glass transition area and the number of layers of the at least one first layer or the at least one first and the at least one second layer.
  • the execution of the at least one first and / or the at least one second layer is not restricted to a strip shape of any kind. Other geometries and courses of the at least one first layer and / or the at least one second layer are also conceivable.
  • the at least one first layer was changed. It goes without saying that the at least one second is also adapted Shift, if available, depending on the requirements of the individual case. This is also because the use according to the invention of at least a second layer has a not inconsiderable share in the sound absorption, that is to say the noise damping, of a laundry treatment machine according to the invention.
  • the first layers In the case of a plurality of the at least one first layer, it is not absolutely necessary for the first layers to be of the same material. The same applies in the event that a plurality of second layers are used.
  • the at least one first layer and the at least one second layer do not have to be of the same material as one another.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP19179405.6A 2018-06-28 2019-06-11 Machine de traitement du linge comprenant un tonneau ou un tambour Active EP3587651B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018115675.8A DE102018115675A1 (de) 2018-06-28 2018-06-28 Wäschebehandlungsmaschine, umfassend einen Laugenbehälter oder eine Trommel

Publications (2)

Publication Number Publication Date
EP3587651A1 true EP3587651A1 (fr) 2020-01-01
EP3587651B1 EP3587651B1 (fr) 2023-08-09

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ID=66821066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19179405.6A Active EP3587651B1 (fr) 2018-06-28 2019-06-11 Machine de traitement du linge comprenant un tonneau ou un tambour

Country Status (2)

Country Link
EP (1) EP3587651B1 (fr)
DE (1) DE102018115675A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938115U (de) 1966-02-19 1966-05-12 Hermann Zanker K G Maschinen U Waschmaschine.
CA2208388A1 (fr) * 1997-06-20 1998-12-20 Camco Inc. Secheuse avec tambour a insonorisation amelioree
WO2003008696A1 (fr) * 2001-07-19 2003-01-30 Lg Electronics Inc. Tambour pour appareil electromenager
WO2004005604A1 (fr) * 2002-07-09 2004-01-15 Owens Corning Couverture acoustique d'un tambour de machine a laver
EP2192222A1 (fr) * 2008-11-27 2010-06-02 BSH Bosch und Siemens Hausgeräte GmbH Couche d'isolation et tambour pour un appareil de séchage
US20140230497A1 (en) * 2013-02-18 2014-08-21 Owens Corning Intellectual Capital, Llc Acoustically insulated machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8613673U1 (de) * 1986-05-21 1986-07-03 Richter, Rudolf, 8300 Landshut Thermoisolierter Laugenbottich in Waschvollautomaten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938115U (de) 1966-02-19 1966-05-12 Hermann Zanker K G Maschinen U Waschmaschine.
CA2208388A1 (fr) * 1997-06-20 1998-12-20 Camco Inc. Secheuse avec tambour a insonorisation amelioree
WO2003008696A1 (fr) * 2001-07-19 2003-01-30 Lg Electronics Inc. Tambour pour appareil electromenager
WO2004005604A1 (fr) * 2002-07-09 2004-01-15 Owens Corning Couverture acoustique d'un tambour de machine a laver
EP2192222A1 (fr) * 2008-11-27 2010-06-02 BSH Bosch und Siemens Hausgeräte GmbH Couche d'isolation et tambour pour un appareil de séchage
US20140230497A1 (en) * 2013-02-18 2014-08-21 Owens Corning Intellectual Capital, Llc Acoustically insulated machine

Also Published As

Publication number Publication date
EP3587651B1 (fr) 2023-08-09
DE102018115675A1 (de) 2020-01-02

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