EP2749687B1 - Support device for air filters for drying or washing/drying machines, air filter for drying machines or washing/drying machines provided with said support device and drying or washing/drying machine provided with said filter - Google Patents

Support device for air filters for drying or washing/drying machines, air filter for drying machines or washing/drying machines provided with said support device and drying or washing/drying machine provided with said filter Download PDF

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Publication number
EP2749687B1
EP2749687B1 EP13197664.9A EP13197664A EP2749687B1 EP 2749687 B1 EP2749687 B1 EP 2749687B1 EP 13197664 A EP13197664 A EP 13197664A EP 2749687 B1 EP2749687 B1 EP 2749687B1
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EP
European Patent Office
Prior art keywords
filter
drying
washing
support device
cartridge
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
EP13197664.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2749687A1 (en
Inventor
Giuseppe Di Bari
Giuseppina Pia Potena
Gianbattista Pirola
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.)
Whirlpool EMEA SpA
Original Assignee
Indesit Co SpA
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Publication date
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Publication of EP2749687A1 publication Critical patent/EP2749687A1/en
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Publication of EP2749687B1 publication Critical patent/EP2749687B1/en
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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10—Filtering arrangements

Definitions

  • the present invention relates to a support device, particularly adapted to support perfuming cartridges for air filters of drying or washing/drying machines.
  • the present invention also relates to an air filter for drying or washing/drying machines provided with such support device, as well as a drying or washing/drying machine, comprising said air filter.
  • the drying machines are known per se and normally comprise a drum in which are accommodated the clothes that are dried by an air flow generated by a fan and heated by an electrical resistor or a condenser device in a machine with heat pump.
  • the hot air flow passes through the clothes in the drum, subtracting the moisture, and then passes through a filter to remove any possible impurities or fluff in the airflow.
  • the said air flow passes through a heat exchanger, where it cools as a result of the heat exchange with more fresh ambient air, and condenses releasing water that flows into a drip tray usually placed in the bottom part of the machine; from the drip tray, the water is carried by a pump into a removable container normally located in the upper part of the machine, in an easily accessible position by a user, which provides for removal and the periodic emptying of said container.
  • drying machines known to the state of the art may also be devoid of the drip tray; in such cases, they present only the container for collecting the condensed water, said container being usually placed in the bottom part of the machine itself.
  • Machines are also known in which the moist air coming from the drum does not condense, but it is discharged outside the machine.
  • drying machines known to the state of the art comprise:
  • these drying machines can also include heat exchanger means crossed by the air coming from the drum, which can be optionally associated with a container for collecting the condensed water.
  • this filter to eliminate impurities or fluff in the air flow so formed as to have a structure such as to contain a filter element.
  • this filter has an opening that allows to facilitate the entrance into the filter of the entire air flow coming from the drum, in such a way as to obtain the elimination of impurities or fluff in such airflow.
  • this filter is generally shaped in such a way as to be placed inside a dedicated housing of the machine, usually formed below the inlet of the drum.
  • the restaurant utility model application n. T02010U000184 in the name of the same Applicant, describes a filter to remove impurities or fluff in the air flow of a drying machine, said filter comprising a first frame and a second first and second frame comprising respective second edges with strips, each of said strips comprising a grabbing hole and coupling means which allow to maintain in a closed condition the filter.
  • the Applicant has realized that it would be desirable to associate to the air filters for drying and washing/drying machines a perfuming system, so as to perfume the air used for drying the clothes and make more pleasant the sensation of wearing said clothes once completed the drying step.
  • the Applicant has also realized that the clothes perfume during the drying is particularly pleasant and convenient for the clothes that must then be stored for periods of time more or less long, in drawers or closets.
  • Document EP2145997A1 discloses a dryer equipped with a fragrance supplying module for supplying into the drum the fragrance emitted from a solid or gaseous fragiment material.
  • the fragrance supplying module is mounted at the front supporter or at the inner side of a door so as to be reachable by opening the door.
  • Aim of the present invention is therefore to provide a support device, in particular adapted to support cartridges such as perfuming cartridges for air filters of drying or washing/drying machines that has a simple and low cost structure and, at the same time, does not require substantial changes to the structure of the filter to be used.
  • the basic idea of the present invention relates to the arrangement of a support device for air filter for drying or washing/drying machines, comprising a support structure adapted to support at least one perfuming cartridge, wherein said support structure is adapted to be mounted in a removable way to an air filter of a drying or washing/drying machine.
  • said support structure is adapted to engage into at least one grabbing hole of said filter.
  • said support structure has at least one guide portion; in particular, said guide portion may advantageously comprise at least one groove, for slidingly inserting/extracting said at least one cartridge.
  • said support structure comprises:
  • said filter comprises two separable frames for opening said filter, each one having a respective grabbing hole, each one of said housing portions being associated with a respective one of said grabbing holes when said device is mounted to said filter.
  • said connecting portion extends across a line of separation of the frames of said filter.
  • said support structure comprises at least an engaging portion with said filter, said engaging portion being associable with said filter by inserting at least a part of the device towards the inside of said filter from the outside thereof.
  • said engaging portion comprises at least one collar adapted to be coupled to said at least one grabbing hole of said filter.
  • said support structure comprises at least one engaging portion for engagement with said filter, said engaging portion being associable with said filter by inserting at least a part of the device towards the outside of said filter from the inside thereof.
  • the drying machine 100 comprises a casing 101 which houses a drum 102 for containing clothes (not shown) to dry, said drum 102 being accessible from the outside through a door 103 provided usually with gaskets (not shown).
  • the drying machine 100 includes first means 104, 105 for the passage of heated air inside of said drum 102.
  • said first means can comprise an electrical resistor 104 and a fan 105 (as shown in figure 1 ), or a heat pump.
  • the drying machine 100 also comprises second means 106 heat exchangers crossed by the air coming from the drum 102; preferably, said second means comprise an exchanger 106 where the moist air coming from the drum 102 condenses.
  • the drying machine 100 moreover comprises at least one container 107 for collecting the condensed water produced by said heat exchanger second means 106.
  • moist air passes through a filter 1 to eliminate the impurities or fluff in the air flow; then the hot and moist air is cooled by heat exchange with fresh air (normally at ambient temperature) in said second means 106, said fresh air possibly being carried by a second fan (not shown in figure 1 ).
  • the condensed water into a drip tray 108 is pumped by a pump 109 in the container 107, where it is collected.
  • a pump 109 in the container 107, where it is collected.
  • the drying machine 100 may also have the container 107 in the bottom part of the machine 100; in this case, the drying machine 100 can also be devoid of the drip tray 108 and/or pump 109.
  • the machine 100 provided for a vented drying process, there would not be condensation of the moist air and the machine would not then be provided with the drip tray 108, the pump 109 and the container 107.
  • the moist air would be in fact evacuated outside the machine through adapted canalization.
  • Figures 2a and 2b represent, respectively, a first and a second perspective view of the filter 1, which the support device 200 according to the invention (not shown in figures 2a, 2b ) can be applied to.
  • the filter 10 comprises a first frame 10 and a second frame 20 which contain within a filter element F (schematically represented only in figure 2a ), for example comprising a small fine net of porous plastic material, said first 10 and second frame 20 being connected to each other along respective first adjacent edges 11, 21 so that the filter 1 can be opened in a book-like fashion.
  • a filter element F Schematically represented only in figure 2a
  • connection along said first edges 11, 21 allows to said first 10 and second frame 20 to rotate around a Xaxis , shown in figure 2b with a dash-dot line.
  • the particular shape of the filter 1 according to the present invention facilitates the removing operations of impurities or fluff collected within said filter 1; in fact, the possibility to open in a book-like fashion the filter 1 allows easy extraction of the filter element F in order to recondition, in particular, by removing the impurities or fluff that it retained.
  • first 10 and second frame 20 comprise respective second edges 12, 22 provided with strips 13, 23, each of said strips 13, 23 comprising:
  • said closing position of the filter 1 is shown in figure 2a , while figure 2b shows the filter 1 in an opening position.
  • these figures show the first strip 13 comprising a first grabbing hole 14 and the second strip 23 comprising a second grabbing hole 24.
  • the particular embodiment described above of the filter 1 allows at the same time to facilitate the removal of the filter 1 from the housing in which it is located inside the drying machine 100, to facilitate the opening operations of the filter 1 and to facilitate the removing operations of impurities or fluff collected within the filter 1 itself.
  • the grabbing holes 14, 24 of said strips 13, 23 allow the user to insert the fingers in order both to remove filter 1 from the drying machine 100 and in order to obtain a disengagement of the engagement means 15, 25 and get the opening of the filter 1.
  • the user in order to obtain this opening the user will be sufficient to carry out a mutual separation movement of the holes 14, 24 so as to obtain the release of said engagement means 15, 25.
  • said engagement means comprise:
  • said at least one protrusion 15 is associated with a free end 13E of the first strip 13 and said at least one recess 25 is associated with a free end 23E of the second strip 23.
  • said at least one protrusion 15 is formed on a upper face 13S of the first strip 13, in particular next to the free end 13E of the first strip 13; in a complementary way, said at least one recess 25 is formed on a lower face 23I of said second strip 23, in particular next to the free end 23E of the second strip 23.
  • first 13 and second strip 23 can comprise a plurality of protrusions 15 and/or recesses 25; in addition, each of said first 13 and second strip 23 can comprise one or more protrusions 15 and/or one or more recesses 25.
  • said first 13 and second strip 23 comprise corresponding parts 16, 26 that allow to maintain the correct alignment between the first 10 and second frame 20 when the filter 1 is closed (as shown in figure 2a ).
  • the corresponding parts comprise:
  • first 13 and second strip 23 may be realized as a single piece respectively with said first 10 and second frame 20, for example during the molding operations of said first 10 and second frame 20, which are usually made of plastic material such as, for example , polypropylene approximately 30% talc filled; alternatively, said first 13 and second strip 23 may be realized separately from the first 10 and second frame 20 and then be associated with them.
  • said first 13 and second strip 23 are positioned substantially perpendicularly to said first 10 and second frame 20.
  • the free ends 13E, 23E of said first 13 and second strip 23 are wavy type, in such a way as to increase the mutual contact surface.
  • each of said strips 13, 23 has a plurality of slots 17, 27, in particular in order to allow adequate air flow coming from the drum 102 of the drying machine 100.
  • the filter 1 has a substantially V-shaped section, that is to say, it is realized in such a manner as to have a maximum size in correspondence of said second edges 12, 22 and/or of said strips 13, 23, the size of said filter 1 shrinking more and more until reaching a minimum value next to said first edges 11 and 21.
  • first 10 and/or the second frame 20 have side walls 18, 28 (visible in particular in figures 2b , 3a and 3b ) that shrink next to said first edges 11, 21.
  • the strips 13, 23 are associated with said first 10 and second frame 20 at opposite ends with respect to first edges 11, 21; however, it is clear that it is not necessary that said second edges 12, 22 correspond to the ends of said first 10 and second frame 20 opposite with respect to first edges 11, 21. As a result, it is clear that the strips 13, 23 can be associated to different points with respect to the ends of said first 10 and second frame 20.
  • the filter 1 is positioned below the opening that can be occluded from door 103 of the drying machine 100, in such a way as to be easily accessible by a user as a result of the opening of said door 103; preferably, said filter 1 is housed in a duct C for the recirculation of air inside the drying machine 100.
  • the filter 1 may be associated with one or more cartridges (such as perfuming cartridges) by means of a adapted support device 200 in order to perfume the air introduced into the drum 102 and give therefore a perfume particularly pleasant to cloths loaded in the drum 102 itself.
  • cartridges such as perfuming cartridges
  • the device 200 ( figures 4a-4c , 5a-5c ) comprises a support structure 210 adapted to support a perfuming cartridge 220, 230, 235 housed in said support structure 210.
  • the perfuming substance contained in the at least one perfuming cartridge 220, 230, 235 may be present in liquid form confined by at least one wall permeable to the perfume particles released from said perfuming substance.
  • the perfuming substance may be in solid form, in gel form or even in powder form.
  • the walls adjacent to the support are impermeable to said particles, while the free wall, that is the wall facing the internal cavity defined by the frames 10, 20 is made of permeable material.
  • a containment shell by thermoforming, having open structure delimited by impermeable walls.
  • This structure is then filled with a perfuming substance, for example in liquid form or in gel form.
  • Said open structure is then closed by gluing a closure wall of permeable material.
  • a protective film To the closing wall is finally applied a protective film; the latter is meant to prevent the perfuming substance will be dispersed before the device is mounted to a filter and should carry out its perfuming action.
  • the protective film must be removed by the user just before the perfuming action should be carried out that is, for example, just before or just after the mounting of the device to support 200 on the filter 1.
  • the support structure 210 is adapted to be mounted in a removable manner to the filter 1.
  • the support structure 210 is adapted to engage at least one of said grabbing holes 14, 24 of the filter 1 .
  • the support structure 210 has at least one guide portion 212, 213, preferably comprising at least one groove 212a, 213a, for slidingly inserting/extracting the at least one cartridge 220, 230.
  • the at least one groove 212a, 213a may include, for example, at least two sections, each adapted to house a respective edge of the at least one cartridge 220, 230.
  • the support device 200 is adapted to support two perfuming cartridges 220, 230.
  • the support structure 210 includes:
  • each housing portion 214, 215 is associated with a respective one of said grabbing holes 14, 24.
  • the housing portions 214, 215 may be inserted, particularly from the top, into the respective grabbing holes 14, 24.
  • the connecting portion 216 extends across a line of separation Z of the frames 10 , 20.
  • the connecting portion 216 may be realized as a substantially plate-like element, that extends on a plane which is substantially orthogonal to a predominant development direction of said housing portions 214, 215.
  • the housing portions 214, 215 are disposed along a substantially vertical direction, while the connection portion 216 extends substantially along a horizontal plane.
  • the connecting plate-like element 16 conveniently presents a slightly curved shape that, advantageously, is sufficiently distant from the filter to allow the grab by the user and at the same time is not too far away from the filter to avoid protrude excessively and to intercept and damage the clothes that move into the inside of the drum during the drying.
  • the support structure 210 includes at least one engaging portion 217, 218, 218a to said filter 1.
  • this engaging portion 217, 218, can be associated with the filter 1 by inserting said engaging portion 217, 218 towards the inside of the filter 1 from the outside thereof.
  • the at least one engaging portion 217, 218 comprises at least one collar 219a, 219b, adapted to be coupled with at least one of said grabbing holes 14, 24 of the filter 1.
  • the support device 200 is mounted to the filter 1 by inserting from the outside of the same filter 1 the at least one perfuming cartridge 220, 230, 235, in at least one respective grabbing hole 14, 24 of the filter 1 until the engaging portion 217, 218 (including for example the collar 219a, 219b) comes in contact with the profile defining the grabbing hole 14, 24.
  • the insertion may conclude when the connecting portion 216 comes in contact with the strips 13, 23.
  • This execution can be provided for both single cartridge support devices 20 and support devices adapted to support a pair of cartridges.
  • the cartridge (or cartridges) and the relative support must have such a shape and size to allow the insertion into the grabbing hole (or holes) 14, 24.
  • the engaging portion 218a is associated with the filter 1 by the insertion of a part of the device 200 towards the outside of the filter 1 from the inside thereof.
  • This alternative embodiment is preferably implemented in devices adapted to support a single perfuming cartridge 235.
  • the engaging portion 218a may comprise an engaging portion 218b adapted to be secured to the profile of one of the holes 14, 24 of the filter 1.
  • the engaging portion 218a can be realized with snap/bayonet engagement.
  • the single cartridge solution it is expected a possible increase in the size of the same (for example an increase in axial length) so as to give a similar capacity and a similar duration of devices equipped with dual cartridge.
  • the support device 200 when it is associated with adapted cartridges, is able to effectively perfume the air introduced into the drum for at least 40 cycles.
  • the support structure 210 is made of one piece of plastic material. It is also possible to provide that, properly modifying the geometry of the support structure 210, the latter can be molded with the first and/or second frame 10, 20 of the filter 1.
  • the support device according to the invention when it is associated with appropriate cartridges, allows to perfume in an effective and homogeneous manner the clothes loaded in the machine, without requiring any structural changes to the filter itself.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP13197664.9A 2012-12-27 2013-12-17 Support device for air filters for drying or washing/drying machines, air filter for drying machines or washing/drying machines provided with said support device and drying or washing/drying machine provided with said filter Active EP2749687B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001150A ITTO20121150A1 (it) 2012-12-27 2012-12-27 Dispositivo di supporto per filtri dell' aria di macchine asciugatrici o lava-asciugatrici, filtro dell' aria per macchine asciugatrici o macchine lava-asciugatrici provvisto di detto dispositivo di supporto e macchina asciugatrice o lava-asciugatric

Publications (2)

Publication Number Publication Date
EP2749687A1 EP2749687A1 (en) 2014-07-02
EP2749687B1 true EP2749687B1 (en) 2015-04-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13197664.9A Active EP2749687B1 (en) 2012-12-27 2013-12-17 Support device for air filters for drying or washing/drying machines, air filter for drying machines or washing/drying machines provided with said support device and drying or washing/drying machine provided with said filter

Country Status (2)

Country Link
EP (1) EP2749687B1 (it)
IT (1) ITTO20121150A1 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3112526A1 (en) 2015-07-01 2017-01-04 Indesit Company S.p.A. Support device for air filters for drying or washing/drying machines, air filter for drying machines or washing/drying machines provided with said support device and drying or washing/drying machine provided with said filter

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016034302A1 (en) * 2014-09-05 2016-03-10 Arcelik Anonim Sirketi A dryer comprising a fragrance source
WO2016034304A1 (en) * 2014-09-05 2016-03-10 Arcelik Anonim Sirketi A dryer comprising a fragrance source
WO2018067083A2 (en) * 2016-08-05 2018-04-12 Arcelik Anonim Sirketi Washing machine with a scenting unit and a method of operating the washing machine
CN108691180B (zh) * 2018-08-02 2021-05-18 海信（山东）冰箱有限公司 衣物处理装置
CN113684655A (zh) * 2021-08-30 2021-11-23 无锡小天鹅电器有限公司 衣物处理装置的进风格栅以及衣物处理装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060254626A1 (en) * 2004-12-30 2006-11-16 Botts David M Fluid treatment system for use with a washing appliance
US20070151311A1 (en) * 2005-12-30 2007-07-05 Mcallister Karl D Fabric revitalizing system
KR20100009043A (ko) * 2008-07-17 2010-01-27 엘지전자 주식회사 발향체 모듈을 구비한 의류 건조기
DE102009045580A1 (de) * 2009-10-12 2011-04-14 Henkel Ag & Co. Kgaa Tür zum flüssigkeitsdichten Verschluss einer Wäscheaufgabe- bzw. Entnahmeöffnung eines Wäschebehandlungsgeräts insbesondere einer Waschmaschine und/oder eines Wäschetrockners

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3112526A1 (en) 2015-07-01 2017-01-04 Indesit Company S.p.A. Support device for air filters for drying or washing/drying machines, air filter for drying machines or washing/drying machines provided with said support device and drying or washing/drying machine provided with said filter

Also Published As

Publication number Publication date
EP2749687A1 (en) 2014-07-02
ITTO20121150A1 (it) 2014-06-28

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