EP3224402B1 - Sèche-linge - Google Patents

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Publication number
EP3224402B1
EP3224402B1 EP15817617.2A EP15817617A EP3224402B1 EP 3224402 B1 EP3224402 B1 EP 3224402B1 EP 15817617 A EP15817617 A EP 15817617A EP 3224402 B1 EP3224402 B1 EP 3224402B1
Authority
EP
European Patent Office
Prior art keywords
water
filter
sections
valve
laundry dryer
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
EP15817617.2A
Other languages
German (de)
English (en)
Other versions
EP3224402A1 (fr
Inventor
Yavuz Sahin
Mehmet Kaya
Can Sar
Erman Tutkak
Saban Avci
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.)
Arcelik AS
Original Assignee
Arcelik AS
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Publication date
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Publication of EP3224402A1 publication Critical patent/EP3224402A1/fr
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Publication of EP3224402B1 publication Critical patent/EP3224402B1/fr
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    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the present invention relates to a laundry dryer comprising a filter that holds particles such as fiber, lint and dust etc. in the drying air.
  • the heated air is directed into the drum containing the articles to be dried and is sucked to be included in the heating cycle again.
  • the particles such as fiber, lint and dust etc. should be filtered.
  • various filters are developed for holding these particles in dryers. These filters produced by using various materials are disposed on the circulation path of the air inside the dryer. Accumulation of the particles held by means of the filters during the cycle of air adversely affects the flow rate of the drying air and hence the drying performance. Therefore, during the drying cycle these filters have to be cleaned at certain intervals and to be removed from the cycle of the drying air.
  • the filter area as large as possible is advantageous in cleaning the filters less frequently but in this situation using more than one nozzle is required in order to effectively wash the entire filter area.
  • the amount of water required to wash the entire filter area increases.
  • the amount of water delivered to each nozzle decreases and this decreases water pressure, preventing the filter from being cleaned effectively.
  • the amount of lint removed from the filter being quite large highly increases the risk of the said lint to cause the carrying line or the discharge pump to be clogged.
  • the water sprayed from the nozzles forms a water film on the filter surface.
  • a certain amount of time has to pass in order for the water film to be broken and the air flow rate to rise to the desired value.
  • the temperature may increase momentarily depending on the decreased drying air flow rate. Temperature increasing momentarily causes the compressor to increase above limit values especially in closed circuit dryers and in this situation the compressor stops operating automatically. The compressor has to wait for a certain time period in order to operate again. This adversely affects time and energy consumption.
  • the aim of the present invention is the realization of a laundry dryer having a filter that can be cleaned without affecting the drying effectiveness.
  • the laundry dryer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, provides the cleaning of the filter gradually by directing water to at least one pipe in one go such that water is sprayed to only one portion of the filter surface.
  • the entire filter surface is enabled to be cleaned gradually, preventing the formation of a water film on the entire surface of the filter and the drying performance from being affected adversely.
  • more than one outlet port is arranged on the pipe.
  • nozzles are provided that enable water to be sprayed and delivered to the filter surface thus cleaning the filter surface effectively.
  • the filter surface is divided into two sections, while water is sprayed to the respective section of the filter surface, water is not delivered to the other pipe and water is not sprayed onto the other surface. This process is repeated successively until the entire surface of the filter is cleaned.
  • water is enabled to be delivered at one time to the pipes that are selected adjacently.
  • water is delivered simultaneously to the first two sections or the last two sections or the first and the last section while water is not delivered to the other section.
  • water is enabled to be delivered at one time to the selected pipes for cleaning the filter surfaces that are not side by side such that water is sprayed to only one portion of the filter surface divided into the sections.
  • water is delivered to each pipe intermittently.
  • the filter surface is enabled to be cleaned more effectively.
  • water is not delivered simultaneously to each pipe, thus preventing the formation of film on the filter and enabling the filter surface to be effectively cleaned without any kind of interruption in the drying air cycle.
  • the laundry dryer (1) comprises a body (2), a drum (3) wherein the laundry to be dried is placed, an air circulation duct (5) providing the delivery of the drying air onto the laundry in the drum (3), a heat exchanger (4) that is disposed on the air circulation duct (5) and that enables the temperature of the drying air to be changed, a tank (7) wherein the condensed water is stored, at least one filter (6) that holds the particles such as fiber, lint, etc. in the drying air and a water conduit (11) that carries the water received from the tank (7) to the filter (6).
  • the laundry dryer (1) of the present invention comprises
  • the filter (6) washing process is performed as follows.
  • the water received from the tank (7) is directed to the valve (9) by means of the water conduit (11).
  • the valve (9) By controlling the valve (9) with the control unit (13) and selecting at least one pipe (12) such that water is sprayed at one time to only one portion of the filter (6) surface divided into the sections (A, B, C), the water is directed to the said pipe (12).
  • the valve (9) allows water to pass through at least one pipe (12) and does not allow water to pass to at least one of the other pipes (12).
  • the laundry dryer (1) comprises at least one outlet port (15) that is disposed on the pipe (12) and that is positioned so as to spray water to the filter (6) surface divided into the sections (A, B, C) and an inlet port (14) that is connected to the water conduit (11).
  • the inlet port (14) of the pipe (12) is connected to the water conduit (11) by means of a valve (9).
  • the laundry dryer (1) comprises at least two outlet ports (15) positioned to correspond to each section (A, B, C) of the filter (6) surface that is divided into more than one section (A, B, C).
  • the laundry dryer (1) comprises a plurality of nozzles (10) that are mounted on each outlet port (15) and that enable the water to be sprayed and delivered onto the divided sections (A, B, C) on the filter (6) surface.
  • the water is enabled to be transferred from the outlet port (15) to the filter (6) surface effectively.
  • the laundry dryer (1) comprises a pump (8) that receives the water from the tank (7) containing condensed water and that delivers it to the pipes (12).
  • the valve (9) is disposed between the water conduit (11) and the inlet ports (14) of the pipes (12), and enables the water received from the water conduit (11) to be transferred to the pipes (12).
  • the valve (9) is a three-way valve.
  • the valve (9) connects the water conduit (11) with the inlet ports (14) of at least two pipes (12) and allows water to pass only to one inlet port (14).
  • the laundry dryer (1) comprises the filter (6), the surface of which is divided into two sections (A, B) and two pipes (12) that have at least one outlet port (15) aligned with these two sections (A, B) and that are disposed such that the water is sprayed onto the filter (6) surface divided into the sections (A, B).
  • the control unit (13) controls the valve (9) and enables the valve (9) to direct water to one pipe (12) at one time such that the water is sprayed onto only one section (A or B) of the filter (6) surface that is divided into two sections (A, B).
  • the water that is firstly directed to the first pipe (12) by the control unit (13) by means of the valve (9) reaches the outlet ports (15) on the pipe (12) and are sprayed by means of the nozzles (10) to the section (B) of the filter (6) surface opposite the nozzles (10). In the meantime, the water is not delivered to the second pipe (12).
  • the water is delivered to the second pipe (12) from the valve (9) by means of the control unit (13) and the water is directed to the outlet ports (15) situated on the other section (A) of the filter (6) surface, enabling the water to be sprayed by means of the nozzles (10) to the section (A) opposite the nozzles (10) at the second pipe (12).
  • the filter (6) surface is divided into more than two sections (A, B, C).
  • the laundry dryer (1) comprises an equal number of pipes (12) as the number of filter (6) surface sections (A, B, C).
  • the valves (9) the water can be delivered to these pipes (12) at different times and in different combinations.
  • the sections (A, B, C) of the filter (6) surface are enabled to be cleaned one by one without delivering the water to all the pipes (12) simultaneously. Since the water is not delivered to all the pipes (12) simultaneously, the entire surface of the filter (6) is not washed simultaneously and formation of a water film along the entire surface of the filter (6) is prevented. Thus, the filter (6) is cleaned gradually without causing any interruption in the drying air cycle.
  • the control unit (13) enables the water to be delivered simultaneously to the pipes (12) selected in pairs by means of the valve (9) for cleaning the sections (A, B, C) of the filter (6) surface such that the water is sprayed only to one portion of the filter (6) surface divided into the sections (A, B, C).
  • the water is delivered simultaneously to the first two sections (A, B) or the last two sections (B, C) ( Figure 3 ) or the first and last sections (A, C), however the water is not delivered to the other section (C in the first example, A in the second example and B in the third example).
  • the control unit (13) enables the water to be delivered successively to the selected pipes (12) for cleaning the sections (A, B, C) of the filter (6) surface that are not side by side such that the water is sprayed only onto one portion of the filter (6) surface divided into the sections (A or B or C).
  • the filter (6) surface is divided into three sections (A, B, C)
  • the water is delivered to each section (A, B, C) successively. In this embodiment, the water is not sprayed simultaneously onto any two sections (A, B or A, C or B, C).
  • control unit (13) enables the water to be delivered to each pipe (12) intermittently by means of the valve (9).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (9)

  1. Sèche-linge (1) comprenant un corps (2), un tambour (3) dans lequel le linge à sécher est placé, un conduit de circulation d'air (5) assurant la distribution de l'air de séchage sur le linge dans le tambour (3), un échangeur de chaleur (4) qui est disposé sur le conduit de circulation d'air (5) et qui permet de modifier la température de l'air de séchage, un réservoir (7) dans lequel l'eau condensée est stockée, au moins un filtre (6) qui retient les particules telles que les fibres, les peluches, etc. dans l'air de séchage, la surface du filtre (6) étant divisée en plus d'une section (A, B, C), un conduit d'eau (11) qui transporte l'eau reçue du réservoir (7) au filtre (6), au moins deux tuyaux (12) qui se séparent en au moins deux branches pour s'étendre à chaque section (A, B, C) de la surface du filtre (6) et qui sont disposés de manière à pulvériser de l'eau sur ces sections (A, B, C) et au moins un orifice de sortie (15) qui est disposé sur chaque tuyau (12) et qui est positionné pour correspondre à chaque section (A, B, C) du filtre (6) de manière à pulvériser de l'eau sur la surface du filtre (6) caractérisé en ce que
    • au moins une vanne (9) disposée sur la conduite d'eau (11) et à laquelle les tuyaux (12) sont raccordés, et
    • une unité de commande (13) qui commande l'au moins une vanne (9) et permet à la vanne (9) de diriger l'eau vers au moins une des tuyaux (12) de telle sorte que l'eau est pulvérisée sur seulement certaines des sections (A, B, C), au lieu de toutes les sections simultanément.
  2. Sèche-linge (1) selon la revendication 1, caractérisé en ce qu'au moins un orifice d'entrée (14) est disposé sur chacun des tuyaux (9) reliés au conduit d'eau (11).
  3. Sèche-linge (1) selon la revendication 2, caractérisé en ce qu'une pluralité de buses (10) qui sont montées sur chaque orifice de sortie (15) et permettent de pulvériser l'eau et de la distribuer aux sections divisées (A, B, C) de la surface du filtre (6).
  4. Sèche-linge (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface du filtre (6) est divisée en deux sections (A, B) et deux tuyaux (12) ont au moins un orifice de sortie (15) aligné avec ces deux sections (A, B) et sont disposés de sorte que l'eau est pulvérisée sur les sections (A, B) de la surface du filtre (6), dans laquelle l'unité de commande (13) commande la vanne (9) et permet à la vanne (9) de diriger l'eau vers un tuyau (12) de sorte que l'eau est pulvérisée sur une seule section (A ou B) de la surface du filtre (6).
  5. Sèche-linge (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'unité de commande (13) permet de distribuer l'eau simultanément dans au moins deux tuyaux (12) au moyen de la vanne (9) pour nettoyer les sections (A, B, C) de la surface du filtre (6) de manière à pulvériser l'eau sur au moins une des sections (A, B, C).
  6. Sèche-linge (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'unité de commande (13) permet de délivrer l'eau successivement aux tuyaux (12) choisies pour nettoyer les sections (A, B, C) de la surface du filtre (6) qui ne sont pas côte à côte de sorte que l'eau est pulvérisée uniquement sur une portion de la surface du filtre (6) divisée en au moins trois sections (A, B, C).
  7. Sèche-linge (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de commande (13) permet de distribuer l'eau de manière intermittente à chaque tuyau (12) au moyen de la vanne (9).
  8. Sèche-linge (1) selon l'une quelconque des revendications 1 à 4 et 7, caractérisé en ce que la vanne (9) est une vanne à trois voies (9).
  9. Sèche-linge (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins deux orifices de sortie (15) sont positionnés pour être alignés avec chacune des sections (A, B, C) du filtre (6).
EP15817617.2A 2014-11-28 2015-11-18 Sèche-linge Active EP3224402B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201414327 2014-11-28
PCT/TR2015/050187 WO2016085432A1 (fr) 2014-11-28 2015-11-18 Sèche-linge

Publications (2)

Publication Number Publication Date
EP3224402A1 EP3224402A1 (fr) 2017-10-04
EP3224402B1 true EP3224402B1 (fr) 2019-01-02

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ID=55066742

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Application Number Title Priority Date Filing Date
EP15817617.2A Active EP3224402B1 (fr) 2014-11-28 2015-11-18 Sèche-linge

Country Status (2)

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EP (1) EP3224402B1 (fr)
WO (1) WO2016085432A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3282050B1 (fr) * 2016-08-10 2019-05-15 Whirlpool Corporation Séchoir sans maintenance comportant de multiples filtres à peluches autonettoyants
US10087569B2 (en) 2016-08-10 2018-10-02 Whirlpool Corporation Maintenance free dryer having multiple self-cleaning lint filters
US10519591B2 (en) 2016-10-14 2019-12-31 Whirlpool Corporation Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers
US10738411B2 (en) 2016-10-14 2020-08-11 Whirlpool Corporation Filterless air-handling system for a heat pump laundry appliance
US10502478B2 (en) 2016-12-20 2019-12-10 Whirlpool Corporation Heat rejection system for a condenser of a refrigerant loop within an appliance
US10544539B2 (en) 2017-02-27 2020-01-28 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US10514194B2 (en) 2017-06-01 2019-12-24 Whirlpool Corporation Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators
US10718082B2 (en) 2017-08-11 2020-07-21 Whirlpool Corporation Acoustic heat exchanger treatment for a laundry appliance having a heat pump system
US11015281B2 (en) 2017-09-26 2021-05-25 Whirlpool Corporation Laundry appliance having a maintenance free lint removal system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20070056A1 (it) 2007-08-01 2009-02-02 Imat S P A "sistema di pulitura automatico di filtri ad aria e applicazione in una macchina asciugatrice"
EP2386679B1 (fr) * 2010-05-13 2020-07-01 Samsung Electronics Co., Ltd. Sèche-linge

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3224402A1 (fr) 2017-10-04
WO2016085432A1 (fr) 2016-06-02

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