WO2018103963A1 - Machine à laver/sécher le linge avec des performances de séchage améliorées - Google Patents

Machine à laver/sécher le linge avec des performances de séchage améliorées Download PDF

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Publication number
WO2018103963A1
WO2018103963A1 PCT/EP2017/077936 EP2017077936W WO2018103963A1 WO 2018103963 A1 WO2018103963 A1 WO 2018103963A1 EP 2017077936 W EP2017077936 W EP 2017077936W WO 2018103963 A1 WO2018103963 A1 WO 2018103963A1
Authority
WO
WIPO (PCT)
Prior art keywords
drying
air
condenser
circulation duct
laundry washing
Prior art date
Application number
PCT/EP2017/077936
Other languages
English (en)
Inventor
Ahmet Burak TOP
Umit ARICI
Metin LALE
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2018103963A1 publication Critical patent/WO2018103963A1/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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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 washing-drying machine comprising a water-cooled condenser.
  • the dry and hot drying air delivered into the drum is sent towards the circulation duct after dehumidifying the laundry and leaves the moisture thereof by being passed over the condenser.
  • washing-drying machines comprising water-cooled condensers
  • a nozzle that enables cooling water to be sprayed onto the drying channels in the condenser is provided on the condenser.
  • the cooling water is delivered generally perpendicularly to the air flow direction into the condenser and trickles down by gravity.
  • the cooling water may be swept by the drying air so as to leave the condenser, and reaches the laundry and reduces the drying performance.
  • a washer-dryer comprising a barrier that is positioned above the nozzle spraying cooling water into the condenser and prevents the cooling water from flowing in reverse direction.
  • the aim of the present invention is the realization of a laundry washing-drying machine wherein the drying performance is improved in a simple and cost-effective manner.
  • the laundry washing-drying machine realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a cabin; a tub that is disposed in the cabin and wherein the washing and drying processes are performed; a circulation duct through which the drying air received from the tub is circulated and delivered back to the tub; at least one fan that is disposed on the circulation duct and that enables the air to be circulated in the tub; a condenser that is disposed on the circulation duct, that has an air inlet and an air outlet that open into the circulation duct and wherein at least one drying channel through which the drying air is passed is provided; and at least one nozzle that is disposed on the condenser and that enables water to be sprayed into the drying channel. The nozzle is opened at intervals so as to spray water onto the drying channels.
  • the laundry washing-drying machine of the present invention comprises a ventilation element that is positioned on the circulation duct so as to be between the nozzle and the fan, that has an opening that opens into the outer environment and that provides air circulation between the circulation duct and the outer environment in case of a sudden increase or decrease in the flow rate of the air in the circulation duct such that the deviation in the amount of air that reaches the fan is decreased.
  • a ventilation element that is positioned on the circulation duct so as to be between the nozzle and the fan, that has an opening that opens into the outer environment and that provides air circulation between the circulation duct and the outer environment in case of a sudden increase or decrease in the flow rate of the air in the circulation duct such that the deviation in the amount of air that reaches the fan is decreased.
  • the drying performance is improved by eliminating operational flaws such as the cooling water being carried onto the laundry by being swept by the air flowing at high rates, the laundry in the tub suddenly heating up when the air flow rate decreases, the drying process being interrupted when the heater is turned off due to overheating, etc.
  • the ventilation element is positioned on the condenser so as to be before the air outlet of the condenser and just above the nozzle.
  • the ventilation element close to the nozzle, the amount of water droplets that reach the ventilation element by being swept by the air flowing at high rates when the water supply is interrupted is decreased.
  • the amount of water droplets discharged from the condenser together with the air is increased and the amount of water that remains in the condenser after the cooling process is decreased. Consequently, the amount of water that evaporates in the condenser and mixes with the drying air is decreased.
  • a hole is provided, that is positioned so as to almost completely align with the opening and that enables the ventilation element to be supplied with the air outside the cabin.
  • a sufficient amount of air is enabled to reach the circulation duct during the suction of the air through the opening.
  • the ventilation element is in the form of a tube extending from the condenser towards the hole so that the distance between the opening and the hole is decreased.
  • the tube-shaped ventilation element extends with in an inclination so that the end thereof that faces the hole is at a higher level than the other end thereof that opens into the condenser.
  • the water that drains through the drying channel is collected in a sump in the form of a cavity positioned at the bottom of the condenser at a lower level than the air inlet.
  • a discharge line is provided, that enables the cooling water to be transferred to a pump so as to be discharged out of the cabin.
  • the sudden fluctuations in the pressure of the air in the circulation duct are quickly compensated and the amount of cooling water being swept by the drying air onto the laundry is reduced.
  • the drying process is performed in a rapid and efficient manner.
  • Figure 1 – is the schematic view of the laundry washing-drying machine related to an embodiment of the present invention.
  • Figure 2 — is the view of the condenser related to an embodiment of the present invention.
  • Figure 3 – is the sideways view of the condenser related to an embodiment of the present invention.
  • Figure 4 – is the partial view of the laundry washing-drying machine related to another embodiment of the present invention.
  • the laundry treatment machine (1) comprises a cabin (2); a tub (3) that is disposed in the cabin (2) and wherein the washing and drying processes are performed; a circulation duct (4) that is connected to the tub (3) and wherein the drying air circulation is performed; a fan (5) that is disposed on the circulation duct (4) and that enables the drying air to be circulated; a condenser (9) that is disposed on the circulation duct (4), that has an air inlet (6) and an air outlet (7) that open into the circulation duct (4) and wherein at least one drying channel (8) in which the humid drying air is condensed is provided; and at least one nozzle (10) that is disposed on the condenser (9) and that enables the condenser (9) to be cooled by spraying water onto the drying channel (8).
  • the condenser (9) gradually heats up and the moisture retaining capacity thereof decreases. Therefore, during the drying process, at intervals water is sprayed into the drying channel (8) by means of the nozzle (10) and the drying channel (8) is cooled by being wet.
  • the laundry washing-drying machine (1) of the present invention comprises at least one ventilation element (12) that is disposed on the circulation duct (4) so as to be between the nozzle (10) and the fan (5), that has an opening (11) that provides the air flow between the circulation duct (4) and the outer environment, and that provides air intake/discharge by means of the opening (11) in case of a sudden fluctuation in air pressure in the circulation duct (4) such that the pressure of the air reaching the fan (5) is balanced.
  • the nozzle (10) is opened and water is sent into the condenser (9), water particles disperse in the condenser (9) and form a barrier against the air flow, thus causing an instant decrease in the air pressure.
  • the fan (5) that continues to operate even when the flow rate of the air drops suddenly enables the outer environment air to be sucked into the circulation duct (4) through the opening (11) by means of the ventilation element (12) disposed above the nozzle (10) without being affected by the presence of cooling water.
  • the decrease in the amount of air that reaches the fan (5) is prevented, and the pressure is quickly balanced and the laundry is prevented from overheating due to insufficient air flow.
  • the water sprayed by the nozzle (10) is stopped.
  • the resistance of the cooling water particles against the air flow disappears and the flow rate of the air in the drying channel (8) increases suddenly.
  • the ventilation element (12) is positioned on the condenser (9) so as to be just above the nozzle (10).
  • the ventilation element (12) is positioned on the circulation duct (4) so as to be just after the nozzle (10) in the flowing direction of the air.
  • At least one hole (13) is arranged, that provides water intake/discharge into/from the cabin (2) and that is positioned so as to almost completely face the opening (11).
  • the hole (13) enables the air outside the cabin (2) to be received into the circulation duct (4) when the air is sucked through the opening (11) and enables the humid air to be discharged from the cabin (2) when the air is blown through the opening (11).
  • air communication between the outer environment and the circulation duct (4) is improved and during the balancing of the air pressure, the formation of vacuum and pressure in the cabin (2) which is a closed structure is prevented.
  • the ventilation element (12) is in the form of a tube that extends towards the hole (13), with one end thereof opening into the circulation duct (4) and the other end forming the opening (11).
  • the ventilation element (12) extends between the condenser (9) and the cabin (2) so that the distance between the opening (11) and the hole (13) is shortened.
  • the end of the ventilation element (12) is inserted into the hole (13).
  • the ventilation element (12) extends in an inclined manner with respect to the horizontal plane so that the opening (11) is positioned so as to at least partially face upwards.
  • the ventilation element (12) extends in an inclined manner so that the end thereof opening into the drying channel (8) is at a lower level than the opening (11).
  • a sump (15) wherein the water that drains through the drying channel (8) is collected is provided at a lower level than the air inlet (6).
  • the sump (15) is in the form of a cavity wherein the cooling water that drains downwards from the drying channels (8) is collected.
  • the laundry washing-drying machine (1) comprises a pump (not shown in figures) and a discharge line (14) that is positioned on the sump (15) and that enables the water collected in the sump (15) to be sent to the pump and discharged.
  • the discharge line (14) enables the water filling into the sump (15) through the drying channels (8) to be directed towards the pump for discharging.
  • the cooling water can be discharged without being sent to the tub (3) and the water in the sump (15) is prevented from reaching the air inlet (6) by being discharged periodically.
  • the moisture retaining performance of the condenser (9) is improved and operational flaws such as the cooling water reaching the laundry and the laundry overheating due to the irregularities in the air flow in the circulation duct (4) are eliminated.
  • a laundry washing-drying machine (1) wherein the drying process is performed quickly and effectively is realized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

La présente invention concerne une machine à laver/sécher le linge (1) comprenant un habitacle (2) ; une cuve (3) qui est disposée dans l'habitacle (2) et dans laquelle les processus de lavage et de séchage sont effectués ; un conduit de circulation (4) qui est relié à la cuve (3) et dans lequel circule l'air de séchage ; un ventilateur (5) qui est placé sur le conduit de circulation (4) et qui permet à l'air de séchage de circuler ; un condenseur (9) qui est placé sur le conduit de circulation (4), qui comprend une entrée d'air (6) et une sortie d'air (7) qui s'ouvrent dans le conduit de circulation (4) et qui comporte au moins un canal de séchage (8) dans lequel l'air de séchage humide est condensé ; et au moins une buse (10) qui est placée sur le condenseur (9) et qui permet au condenseur (9) d'être refroidi par pulvérisation d'eau sur le canal de séchage (8).
PCT/EP2017/077936 2016-12-08 2017-11-01 Machine à laver/sécher le linge avec des performances de séchage améliorées WO2018103963A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2016/18076A TR201618076A2 (tr) 2016-12-08 2016-12-08 Kurutma performansi i̇yi̇lşti̇ri̇len bi̇r çamaşir yikama-kurutma maki̇nesi̇
TRA2016/18076 2016-12-08

Publications (1)

Publication Number Publication Date
WO2018103963A1 true WO2018103963A1 (fr) 2018-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/077936 WO2018103963A1 (fr) 2016-12-08 2017-11-01 Machine à laver/sécher le linge avec des performances de séchage améliorées

Country Status (2)

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TR (1) TR201618076A2 (fr)
WO (1) WO2018103963A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109281119A (zh) * 2018-08-31 2019-01-29 无锡小天鹅股份有限公司 壁挂式衣物处理装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499029A1 (fr) * 1991-02-15 1992-08-19 Bosch-Siemens HausgerÀ¤te GmbH Machine à laver domestique équipée pour sécher
DE19642165A1 (de) * 1996-10-12 1998-04-16 Kulmbacher Klimageraete Wäschetrockner mit einem Wärmepumpenkreis
DE29707322U1 (de) * 1997-04-23 1998-08-27 AEG Hausgeräte GmbH, 90429 Nürnberg Elektrischer Wäschetrockner mit einem Wärmepumpenkreis
EP1657350A2 (fr) 2004-11-12 2006-05-17 Samsung Electronics Co., Ltd. Machine à laver et/ou sécher
EP1698722A1 (fr) * 2005-03-04 2006-09-06 Samsung Electronics Co., Ltd. Machine à laver et son procédé d'élimination de mousse
KR20070075486A (ko) 2006-01-13 2007-07-24 엘지전자 주식회사 세탁물 처리 기기의 수냉식 응축기
EP2110473A2 (fr) * 2008-04-17 2009-10-21 BSH Bosch und Siemens Hausgeräte GmbH Sèche-linge doté d'un tambour aéré

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499029A1 (fr) * 1991-02-15 1992-08-19 Bosch-Siemens HausgerÀ¤te GmbH Machine à laver domestique équipée pour sécher
DE19642165A1 (de) * 1996-10-12 1998-04-16 Kulmbacher Klimageraete Wäschetrockner mit einem Wärmepumpenkreis
DE29707322U1 (de) * 1997-04-23 1998-08-27 AEG Hausgeräte GmbH, 90429 Nürnberg Elektrischer Wäschetrockner mit einem Wärmepumpenkreis
EP1657350A2 (fr) 2004-11-12 2006-05-17 Samsung Electronics Co., Ltd. Machine à laver et/ou sécher
EP1698722A1 (fr) * 2005-03-04 2006-09-06 Samsung Electronics Co., Ltd. Machine à laver et son procédé d'élimination de mousse
KR20070075486A (ko) 2006-01-13 2007-07-24 엘지전자 주식회사 세탁물 처리 기기의 수냉식 응축기
EP2110473A2 (fr) * 2008-04-17 2009-10-21 BSH Bosch und Siemens Hausgeräte GmbH Sèche-linge doté d'un tambour aéré

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109281119A (zh) * 2018-08-31 2019-01-29 无锡小天鹅股份有限公司 壁挂式衣物处理装置
CN109281119B (zh) * 2018-08-31 2023-11-24 无锡小天鹅电器有限公司 壁挂式衣物处理装置

Also Published As

Publication number Publication date
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