WO2013097970A1 - A washing machine comprising a cleaning agent dispenser - Google Patents

A washing machine comprising a cleaning agent dispenser Download PDF

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Publication number
WO2013097970A1
WO2013097970A1 PCT/EP2012/072490 EP2012072490W WO2013097970A1 WO 2013097970 A1 WO2013097970 A1 WO 2013097970A1 EP 2012072490 W EP2012072490 W EP 2012072490W WO 2013097970 A1 WO2013097970 A1 WO 2013097970A1
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WO
WIPO (PCT)
Prior art keywords
dispenser
dehumidifying unit
washing machine
tub
air
Prior art date
Application number
PCT/EP2012/072490
Other languages
French (fr)
Inventor
Zehra Ulger
Erman Tutkak
Burcu YAKARTAS
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 WO2013097970A1 publication Critical patent/WO2013097970A1/en

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements

Definitions

  • the present invention relates to a washing machine comprising a dispenser wherein washing agents are placed.
  • the washing agent required for the cleaning process is placed into a dispenser.
  • the wash water received from the water inlet is directed into the dispenser.
  • the dissolved–melted washing agent passes into the washing tub together with the water.
  • the dispensers generally comprise partitions wherein powder and/or liquid washing agents are placed and at least one water inlet that provides delivery of water into the partition. Mold forms in the inner portions of the partition and the water inlet in the course of time since the said partition and the water inlet remain wet after the washing. This situation is unfavorable in terms of hygiene. Furthermore, these parts remaining wet causes the washing agent used in the next washing to lump by gathering moisture and it becomes difficult to deliver the lumped washing agent into the washing tub with the washing water.
  • washing agent dispenser Another problem encountered as a result of the washing agent dispenser and the water inlet remaining wet is that when the weather is very cold, the water in these sections freezes, thereby adversely affecting the effectiveness of the washing machine.
  • EP2202341 a household appliance is described having a hot air unit that provides the delivery of hot air into the detergent dispenser.
  • the aim of the present invention is the realization of a washing machine comprising a cleaning agent dispenser of which the hygienic features are improved.
  • the body comprises a tub wherein the washing operation is performed, a dispenser wherein the washing agents are placed, a dehumidifying unit wherein the desiccant material that desiccates the air passing therethrough is placed and a pumping channel that provides the delivery of the dry air heated by passing through the dehumidifying unit to the dispenser.
  • the interior of the dispenser is provided to be dried by delivering the dry air into the dispenser. Consequently, the formation of microorganisms inside the dispenser is prevented and if present, the formed microorganisms are provided to be exterminated. Formation of odor due to the mold inside the dispenser is also prevented.
  • the washing machine comprises a fan that provides the humid air inside the tub or the dispenser or the outside environment air to be sucked and a suction channel that provides the air sucked by the fan to be delivered to the dehumidifying unit and to pass through the desiccant material.
  • the washing machine comprises at least one first valve that enables the determination of the amount of air to be delivered to the dehumidifying unit from the tub, the dispenser or the outside environment. Consequently, drawing of humid air from the section that is more in need of drying (the tub or the dispenser) and drying of that section is provided.
  • the washing machine comprises a first suction channel that extends between the dispenser and the dehumidifying unit.
  • the amount of air that passes through the first suction channel is controlled by means of the first valve.
  • the washing machine comprises a second suction channel that extends from the tub towards the dehumidifying unit. Only the dry air that is delivered to the tub passes through the second suction channel.
  • the washing machine comprises at least one second valve that enables the determination of the amount of air to be delivered from the dehumidifying unit to the tub or the dispenser.
  • the delivery of more heated and dry air is provided to the section (the dispenser or the tub) that is in more need of drying.
  • the washing machine comprises a first pumping channel that extends between the second valve and the dispenser. Delivery of air only from the dispenser to the dehumidifying unit is provided by means of the first pumping channel.
  • the washing machine comprises a second pumping channel that extends between the second valve and the tub. Delivery of air only from the tub to the dehumidifying unit is provided by means of the second pumping channel.
  • the washing machine comprises at least one heater that provides the heating of the desiccant material.
  • the desiccant material has reversible feature.
  • zeolite is used as the desiccant material.
  • a washing machine having a dispenser that is provided to remain dry is realized.
  • the interior of the dispenser is provided to be dried by means of the dehumidifying unit without consuming an additional energy.
  • the dispenser is prevented from remaining wet and formation of biofilm or bad odor inside the dispenser is prevented.
  • the washing machine comprising a dispenser with improved hygienic and utilization features is realized.
  • Figure 1 – is the schematic view of the washing machine of the present invention.
  • the washing machine (1) comprises a body (2), a tub (3) wherein the washing process is performed and a dispenser (4) wherein the cleaning agents are placed.
  • the washing machine (1) of the present invention furthermore comprises a dehumidifying unit (6) wherein the desiccant material (5) is placed that desiccates the air passing therethrough and a pumping channel (7) that provides the delivery of hot and/or dry air from the dehumidifying unit (6) to the dispenser (4) ( Figure 1).
  • the desiccant material (5) emanates heat while desiccating and transfers this heat to the air passing therethrough.
  • the air that is heated by passing through the dehumidifying unit (6) is delivered to the dispenser (4) by means of the pumping channel (7).
  • the dispenser (4) is provided to be dried by heating and the disadvantages that occur as the result of the dispenser (4) remaining wet are prevented ( Figure 1).
  • the washing machine (1) comprises a fan (8) that sucks and delivers the air towards the dehumidifying unit (6) and a suction channel (9) that enables the delivery of the air sucked by the fan (8) to the dehumidifying unit (6).
  • the air coming from the tub (3), the dispenser (4) or the outside environment is sucked by the fan (8) and delivered to the dehumidifying unit (6) by means of the suction channel (9). Consequently, the dispenser (4) is provided to be dried after the humid air inside the tub (3) or the dispenser (4) is heated and dried by means of the dehumidifying unit (6).
  • the washing machine (1) comprises at least one first valve (10) disposed on the suction channel (9) and that enables the controlling of the passage of air received from the dispenser (4) and/or the tub (3) to the dehumidifying unit (6).
  • the amount of air received from the dispenser (4), the tub (3) or the outside environment and delivered to the dehumidifying unit (6) is controlled by means of the first valve (10).
  • the delivery of air from the tub (3) to the dehumidifying unit (6) is prevented by means of the first valve (10).
  • the dispenser (4) is provided to be dried in a shorter period of time.
  • the washing machine (1) comprises a first suction channel (109) with one end connected to the dispenser (4), that extends from the dispenser (4) towards the dehumidifying unit (6) and provides the air leaving the dispenser (4) to be delivered to the dehumidifying unit (6).
  • the delivery of air from the tub (3) to the dehumidifying unit (6) is prevented by means of the first valve (10).
  • the air sucked by the fan (8) from the dispenser (4) is delivered to the dehumidifying unit (6) by passing through the first suction channel (109).
  • the washing machine (1) comprises a second suction channel (209) with one end connected to the tub (3), that extends from the tub (3) towards the dehumidifying unit (6) and that enables the air leaving the tub (3) to be delivered to the dehumidifying unit (6).
  • the delivery of air from the dispenser (4) to the dehumidifying unit (6) is prevented by means of the first valve (10).
  • the humid air leaving the tub (3) is delivered to the dehumidifying unit (6) by passing through the second suction channel (209).
  • the washing machine (1) comprises at least one second valve (11) disposed on the pumping channel (7) and that enables the controlling of the passage of air leaving the dehumidifying unit (6) to the dispenser (4) or the tub (3).
  • Delivery of the air provided to be heated by means of the dehumidifying unit (6) to the dispenser (4) and/or the tub (3) is regulated by means of the second valve (11) depending on the drying requirements.
  • the dispenser (4) is provided to be dried in a short period of time by delivering all of the air heated by means of the dehumidifying unit (6) to the dispenser (4).
  • the washing machine (1) comprises a first pumping channel (107) disposed between the second valve (11) and the dispenser (4) and that enables the delivery of air leaving the dehumidifying unit (6) to the dispenser (4).
  • the air leaving the dehumidifying unit (6) is provided to pass only through the first pumping channel (107) by means of the second valve (11).
  • the entire dry and hot air is provided to be delivered to the dispenser (4) by means of the first pumping channel (107).
  • the washing machine (1) comprises a second pumping channel (207) disposed between the second valve (11) and the tub (3) that enables the delivery of air leaving the dehumidifying unit (6) to the tub (3).
  • the drying step is started after the rinsing step is finished.
  • the first suction channel (109) and the first pumping channel (107) are provided to be closed. Consequently, the drying effectiveness is increased by providing the entire air desiccated by passing through the desiccant material (5) to be delivered to the tub (3).
  • the washing machine (1) comprises at least one heater (12) that is used in the regeneration of the desiccant material (5). Since the desiccant material (5) reaching its saturation point by desiccating the processing air is of reversible characteristic, it is rendered to be desiccant again by regenerating.
  • the heater (12) situated inside the dehumidifying unit (6) is operated and the desiccant material (5) is provided to be regenerated. Thus, the desiccant material (5) is provided to be able to retain moisture.
  • the dry air heated by the dehumidifying unit (6) is provided to be delivered to the dispenser (4) and the dispenser (4) to be dried by heating.
  • the formation of microorganisms in the dispenser (4) is prevented and if present, the microorganisms are provided to be exterminated.
  • generation of bad odor is averted by preventing the dispenser (4) from remaining wet.

Abstract

The present invention relates to a washing machine (1) comprising a body (2), a tub (3) wherein the washing process is performed and a dispenser (4) wherein the washing agents are placed, and wherein formation of microorganisms in the dispenser (4) is prevented or if present, the microorganisms are exterminated by improving the hygienic features.

Description

A WASHING MACHINE COMPRISING A CLEANING AGENT DISPENSER
The present invention relates to a washing machine comprising a dispenser wherein washing agents are placed.
In washing machines, the washing agent required for the cleaning process is placed into a dispenser. The wash water received from the water inlet is directed into the dispenser. The dissolved–melted washing agent passes into the washing tub together with the water. The dispensers generally comprise partitions wherein powder and/or liquid washing agents are placed and at least one water inlet that provides delivery of water into the partition. Mold forms in the inner portions of the partition and the water inlet in the course of time since the said partition and the water inlet remain wet after the washing. This situation is unfavorable in terms of hygiene. Furthermore, these parts remaining wet causes the washing agent used in the next washing to lump by gathering moisture and it becomes difficult to deliver the lumped washing agent into the washing tub with the washing water.
Another problem encountered as a result of the washing agent dispenser and the water inlet remaining wet is that when the weather is very cold, the water in these sections freezes, thereby adversely affecting the effectiveness of the washing machine.
In the state of the art European Patent Document No. EP2202341, a household appliance is described having a hot air unit that provides the delivery of hot air into the detergent dispenser.
The aim of the present invention is the realization of a washing machine comprising a cleaning agent dispenser of which the hygienic features are improved.
In the washing machine realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, the body comprises a tub wherein the washing operation is performed, a dispenser wherein the washing agents are placed, a dehumidifying unit wherein the desiccant material that desiccates the air passing therethrough is placed and a pumping channel that provides the delivery of the dry air heated by passing through the dehumidifying unit to the dispenser. The interior of the dispenser is provided to be dried by delivering the dry air into the dispenser. Consequently, the formation of microorganisms inside the dispenser is prevented and if present, the formed microorganisms are provided to be exterminated. Formation of odor due to the mold inside the dispenser is also prevented.
In an embodiment of the present invention, the washing machine comprises a fan that provides the humid air inside the tub or the dispenser or the outside environment air to be sucked and a suction channel that provides the air sucked by the fan to be delivered to the dehumidifying unit and to pass through the desiccant material.
In an embodiment of the present invention, the washing machine comprises at least one first valve that enables the determination of the amount of air to be delivered to the dehumidifying unit from the tub, the dispenser or the outside environment. Consequently, drawing of humid air from the section that is more in need of drying (the tub or the dispenser) and drying of that section is provided.
In an embodiment of the present invention, the washing machine comprises a first suction channel that extends between the dispenser and the dehumidifying unit. The amount of air that passes through the first suction channel is controlled by means of the first valve.
In an embodiment of the present invention, the washing machine comprises a second suction channel that extends from the tub towards the dehumidifying unit. Only the dry air that is delivered to the tub passes through the second suction channel.
In an embodiment of the present invention, the washing machine comprises at least one second valve that enables the determination of the amount of air to be delivered from the dehumidifying unit to the tub or the dispenser. Thus, the delivery of more heated and dry air is provided to the section (the dispenser or the tub) that is in more need of drying.
In an embodiment of the present invention, the washing machine comprises a first pumping channel that extends between the second valve and the dispenser. Delivery of air only from the dispenser to the dehumidifying unit is provided by means of the first pumping channel.
In an embodiment of the present invention, the washing machine comprises a second pumping channel that extends between the second valve and the tub. Delivery of air only from the tub to the dehumidifying unit is provided by means of the second pumping channel.
In an embodiment of the present invention, the washing machine comprises at least one heater that provides the heating of the desiccant material.
The desiccant material has reversible feature. Preferably zeolite is used as the desiccant material.
By means of the present invention a washing machine having a dispenser that is provided to remain dry is realized. The interior of the dispenser is provided to be dried by means of the dehumidifying unit without consuming an additional energy. The dispenser is prevented from remaining wet and formation of biofilm or bad odor inside the dispenser is prevented.
By means of the present invention, the washing machine comprising a dispenser with improved hygienic and utilization features is realized.
A washing machine realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
Figure 1 – is the schematic view of the washing machine of the present invention.
The elements illustrated in the figures are numbered as follows:
  1. Washing machine
  2. Body
  3. Tub
  4. Dispenser
  5. Desiccant material
  6. Dehumidifying unit
  7. , 107, 207 Pumping channel
  8. Fan
  9. , 109, 209 Suction channel
  10. First valve
  11. Second valve
  12. Heater
The washing machine (1) comprises a body (2), a tub (3) wherein the washing process is performed and a dispenser (4) wherein the cleaning agents are placed.
The washing machine (1) of the present invention furthermore comprises a dehumidifying unit (6) wherein the desiccant material (5) is placed that desiccates the air passing therethrough and a pumping channel (7) that provides the delivery of hot and/or dry air from the dehumidifying unit (6) to the dispenser (4) (Figure 1). The desiccant material (5) emanates heat while desiccating and transfers this heat to the air passing therethrough. The air that is heated by passing through the dehumidifying unit (6) is delivered to the dispenser (4) by means of the pumping channel (7). Thus, the dispenser (4) is provided to be dried by heating and the disadvantages that occur as the result of the dispenser (4) remaining wet are prevented (Figure 1).
In an embodiment of the present invention, the washing machine (1) comprises a fan (8) that sucks and delivers the air towards the dehumidifying unit (6) and a suction channel (9) that enables the delivery of the air sucked by the fan (8) to the dehumidifying unit (6). The air coming from the tub (3), the dispenser (4) or the outside environment is sucked by the fan (8) and delivered to the dehumidifying unit (6) by means of the suction channel (9). Consequently, the dispenser (4) is provided to be dried after the humid air inside the tub (3) or the dispenser (4) is heated and dried by means of the dehumidifying unit (6).
In an embodiment of the present invention, the washing machine (1) comprises at least one first valve (10) disposed on the suction channel (9) and that enables the controlling of the passage of air received from the dispenser (4) and/or the tub (3) to the dehumidifying unit (6). The amount of air received from the dispenser (4), the tub (3) or the outside environment and delivered to the dehumidifying unit (6) is controlled by means of the first valve (10). For example, during drying of the dispenser (4), the delivery of air from the tub (3) to the dehumidifying unit (6) is prevented by means of the first valve (10). Thus, only the air inside the dispenser (4) is delivered to the dehumidifying unit (6) by being sucked by the fan (8) and the dispenser (4) is provided to be dried in a shorter period of time.
In a derivative of this embodiment, the washing machine (1) comprises a first suction channel (109) with one end connected to the dispenser (4), that extends from the dispenser (4) towards the dehumidifying unit (6) and provides the air leaving the dispenser (4) to be delivered to the dehumidifying unit (6). After the final discharge of water from the washing machine (1) is realized, the delivery of air from the tub (3) to the dehumidifying unit (6) is prevented by means of the first valve (10). The air sucked by the fan (8) from the dispenser (4) is delivered to the dehumidifying unit (6) by passing through the first suction channel (109).
In a derivative of this embodiment, the washing machine (1) comprises a second suction channel (209) with one end connected to the tub (3), that extends from the tub (3) towards the dehumidifying unit (6) and that enables the air leaving the tub (3) to be delivered to the dehumidifying unit (6). During the drying of the interior of the tub (3), the delivery of air from the dispenser (4) to the dehumidifying unit (6) is prevented by means of the first valve (10). The humid air leaving the tub (3) is delivered to the dehumidifying unit (6) by passing through the second suction channel (209).
In an embodiment of the present invention, the washing machine (1) comprises at least one second valve (11) disposed on the pumping channel (7) and that enables the controlling of the passage of air leaving the dehumidifying unit (6) to the dispenser (4) or the tub (3). Delivery of the air provided to be heated by means of the dehumidifying unit (6) to the dispenser (4) and/or the tub (3) is regulated by means of the second valve (11) depending on the drying requirements. For example, during the drying of the dispenser (4), the delivery of air from the dehumidifying unit (6) to the tub (3) is prevented by means of the second valve (11). Thus, the dispenser (4) is provided to be dried in a short period of time by delivering all of the air heated by means of the dehumidifying unit (6) to the dispenser (4).
In a derivative of this embodiment, the washing machine (1) comprises a first pumping channel (107) disposed between the second valve (11) and the dispenser (4) and that enables the delivery of air leaving the dehumidifying unit (6) to the dispenser (4). After the final discharge of water is realized in the washing machine (1), during the drying of the dispenser (4), the air leaving the dehumidifying unit (6) is provided to pass only through the first pumping channel (107) by means of the second valve (11). The entire dry and hot air is provided to be delivered to the dispenser (4) by means of the first pumping channel (107).
In a derivative of this embodiment, the washing machine (1) comprises a second pumping channel (207) disposed between the second valve (11) and the tub (3) that enables the delivery of air leaving the dehumidifying unit (6) to the tub (3). In washing machines (1), the drying step is started after the rinsing step is finished. For example, in this step, the first suction channel (109) and the first pumping channel (107) are provided to be closed. Consequently, the drying effectiveness is increased by providing the entire air desiccated by passing through the desiccant material (5) to be delivered to the tub (3).
In an embodiment of the present invention, the washing machine (1) comprises at least one heater (12) that is used in the regeneration of the desiccant material (5). Since the desiccant material (5) reaching its saturation point by desiccating the processing air is of reversible characteristic, it is rendered to be desiccant again by regenerating. The heater (12) situated inside the dehumidifying unit (6) is operated and the desiccant material (5) is provided to be regenerated. Thus, the desiccant material (5) is provided to be able to retain moisture.
By means of the present invention, the dry air heated by the dehumidifying unit (6) is provided to be delivered to the dispenser (4) and the dispenser (4) to be dried by heating. Thus, the formation of microorganisms in the dispenser (4) is prevented and if present, the microorganisms are provided to be exterminated. Furthermore, generation of bad odor is averted by preventing the dispenser (4) from remaining wet.
It is to be understood that the present invention is not limited to the embodiments disclosed above and a person skilled in the art can easily introduce different embodiments. These should be considered within the scope of the protection postulated by the claims of the present invention.

Claims (9)

  1. A washing machine (1) comprising a body (2), a tub (3) wherein the washing process is performed and a dispenser (4) wherein the cleaning agents are placed, characterized by a dehumidifying unit (6) wherein the desiccant material (5) that desiccates the air passing therethrough is placed and a pumping channel (7) that provides the delivery of hot and/or dry air from the dehumidifying unit (6) to the dispenser (4).
  2. A washing machine (1) as in Claim 1, characterized by a fan (8) that sucks and delivers the air towards the dehumidifying unit (6) and a suction channel (9) that enables the delivery of the air sucked by the fan (8) to the dehumidifying unit (6).
  3. A washing machine (1) as in Claim 2, characterized by at least one first valve (10) disposed on the suction channel (9) and that enables the controlling of the passage of air received from the dispenser (4) and/or the tub (3) to the dehumidifying unit (6).
  4. A washing machine (1) as in Claim 2 or 3, characterized by a first suction channel (109) with one end connected to the dispenser (4), that extends from the dispenser (4) towards the dehumidifying unit (6) and provides the air leaving the dispenser (4) to be delivered to the dehumidifying unit (6).
  5. A washing machine (1) as in any one of the Claims 2 to 4, characterized by a second suction channel (209) with one end connected to the tub (3), that extends from the tub (3) towards the dehumidifying unit (6) and provides the air leaving the tub (3) to be delivered to the dehumidifying unit (6).
  6. A washing machine (1) as in any one of the Claims 1 to 5, characterized by at least one second valve (11) disposed on the pumping channel (7) and that enables the controlling of the passage of air leaving the dehumidifying unit (6) to the dispenser (4) or the tub (3).
  7. A washing machine (1) as in Claim 6, characterized by a first pumping channel (107) disposed between the second valve (11) and the dispenser (4) and that enables the delivery of air leaving the dehumidifying unit (6) to the dispenser (4).
  8. A washing machine (1) as in Claim 6 or 7, characterized by a second pumping channel (207) disposed between the second valve (11) and the tub (3) and that enables the delivery of air leaving the dehumidifying unit (6) to the tub (3).
  9. A washing machine (1) as in any one of the above Claims, characterized by at least one heater (12) that is used in the regeneration of the desiccant material (5).
PCT/EP2012/072490 2011-12-27 2012-11-13 A washing machine comprising a cleaning agent dispenser WO2013097970A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2011/13080 2011-12-27
TR201113080 2011-12-27

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Publication Number Publication Date
WO2013097970A1 true WO2013097970A1 (en) 2013-07-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626887A1 (en) * 1986-08-08 1988-02-11 Miele & Cie Laundry machine and dishwasher, oven or the like, with a dehumidifier
US20030000106A1 (en) * 2000-07-05 2003-01-02 Anderson Robert David Combination closed-circuit washer and dryer
US20080276802A1 (en) * 2007-05-09 2008-11-13 Dewald Iii Charles Robert Dryer and drying apparatus with enhanced moisture removal
EP2202341A2 (en) 2008-12-17 2010-06-30 BSH Bosch und Siemens Hausgeräte GmbH Water-transporting household device with a feed-in device with a warm and/or dry air unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626887A1 (en) * 1986-08-08 1988-02-11 Miele & Cie Laundry machine and dishwasher, oven or the like, with a dehumidifier
US20030000106A1 (en) * 2000-07-05 2003-01-02 Anderson Robert David Combination closed-circuit washer and dryer
US20080276802A1 (en) * 2007-05-09 2008-11-13 Dewald Iii Charles Robert Dryer and drying apparatus with enhanced moisture removal
EP2202341A2 (en) 2008-12-17 2010-06-30 BSH Bosch und Siemens Hausgeräte GmbH Water-transporting household device with a feed-in device with a warm and/or dry air unit

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