WO2013097974A2 - A washing machine or laundry washer/dryer - Google Patents

A washing machine or laundry washer/dryer Download PDF

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Publication number
WO2013097974A2
WO2013097974A2 PCT/EP2012/072528 EP2012072528W WO2013097974A2 WO 2013097974 A2 WO2013097974 A2 WO 2013097974A2 EP 2012072528 W EP2012072528 W EP 2012072528W WO 2013097974 A2 WO2013097974 A2 WO 2013097974A2
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WO
WIPO (PCT)
Prior art keywords
protrusion
rear wall
laundry
dryer
washing machine
Prior art date
Application number
PCT/EP2012/072528
Other languages
French (fr)
Other versions
WO2013097974A3 (en
Inventor
Basak Arslan
Erman Tutkak
Onur Hartoka
Hakan Tatar
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
Priority to EP12791457.0A priority Critical patent/EP2798109B1/en
Publication of WO2013097974A2 publication Critical patent/WO2013097974A2/en
Publication of WO2013097974A3 publication Critical patent/WO2013097974A3/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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle

Definitions

  • the present invention relates to a washing machine or laundry washer/dryer.
  • rear wall is one of the surfaces most contacted by the laundry placed in the drum.
  • the laundry gathers by moving towards the rear wall of the drum. Since the mobility of the laundry in the drum is less, washing and/or drying performance decreases.
  • Korean Patent Document No.KR20050011515 a washing machine is explained, having baffles that are disposed on the rear wall and that provide the laundry to be moved.
  • the aim of the present invention is the realization of a washing machine or laundry washer/dryer wherein the mobility of the laundry in the drum is increased and thus the washing/drying effectiveness is provided to be increased.
  • the washing machine or laundry washer/dryer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises one or more than one baffle disposed on the rear wall, extending from the center of the rear wall towards the outer periphery of the rear wall and rising towards the inside of the drum and at least one protrusion having a continuous form and which extends from the rear wall towards the inside of the drum so as to exceed the baffles.
  • the washing machine comprises one or more than one compartment on the rear wall, formed by the baffles dividing the rear wall.
  • a shape is provided on the rear wall, which provides the loads to be carried more effectively.
  • the protrusion is shaped as a curve.
  • the laundry is provided to be mixed by impacting the protrusion surfaces disposed on the baffles and compartments as a single piece.
  • the protrusion is shaped as a spiral.
  • the laundry is provided to move forward along the protrusion.
  • the laundry impacting the protrusion is provided to move in different directions.
  • the protrusion is shaped as a ring.
  • the protrusion parallel to the body forms an impacting surface for the laundry.
  • the protrusion is concentric with the rear wall center.
  • the protrusion is not concentric with the rear wall center. the center of movement of the drum and the center of movement of the protrusion being different provides the movement directions of the laundry to be differentiated.
  • the protrusion and the rear wall are produced separately.
  • the protrusion is formed on the rear wall by the deep drawing method.
  • the protrusion is produced as integrated with the rear wall and the baffles.
  • the height of the portion of the protrusion that passes over the baffle is less than the height of the portion of the protrusion that passes over the compartments.
  • the portions of the protrusion that contact the laundry are rounded.
  • the laundry is prevented from being deformed when the protrusion contacts the laundry.
  • a washing machine or laundry washer/dryer which has a protrusion that provides the laundry to be moved from back to front and the washing and drying performance of which are increased.
  • Figure 1 – is the perspective view of a washing machine or laundry washer/dryer.
  • Figure 2 – is the front view of a rear wall whereon the baffles and the extension are disposed.
  • Figure 3 – is the sideways view of a rear wall whereon the baffles and the extension are disposed.
  • Figure 4 – is the perspective view of a rear wall whereon the baffles and the extension are disposed.
  • the washing machine or laundry washer/dryer (1) comprises a drum (4) wherein the laundry is placed, having a cylindrical body (2) and a circular rear wall (3) covering the rear surface of the body (2) and one or more than one baffle (5) disposed on the rear wall (3), extending from the center of the rear wall (3) towards the outer periphery of the rear wall (3) and which forms a protrusion (6) inside the drum (4) ( Figure 1).
  • the washing machine or laundry washer/dryer (1) of the present invention furthermore comprises at least one protrusion (6)
  • the laundry moves inside the drum (4) by rotating with the rotation of the drum (4).
  • the protrusion (6) By means of the protrusion (6), the laundry is provided to be moved from back to front and to be separated as layers.
  • the laundry that impacts the protrusion (6) move away from each other and the laundry is provided to be effectively mixed inside the drum (4).
  • the laundry is provided to contact effectively with detergent and water in the washing step and washing performance is increased.
  • the washing machine or laundry washer/dryer (1) comprises one or more than one compartment (7) that remains between the baffles (5).
  • the rear wall (3) is divided by means of the baffles (5) and the compartments (7) are formed between the baffles (5).
  • a form is provided on the rear wall (3), which provides the loads to be carried more effectively.
  • the protrusion (6) provides the laundry to be separated into layers and to change places inside the drum (4) during washing ( Figure 2, Figure 3, Figure 4).
  • the protrusion (6) is shaped as a curve.
  • the protrusion (6) is disposed around the center of the rear wall (3).
  • the protrusion (6) contributes to the movement of the laundry inside the drum (4).
  • the laundry is provided to change places by moving parallel to the movement of the drum (4) and the contact of the laundry with detergent and water is increased ( Figure 1).
  • the protrusion (6) is shaped as a spiral.
  • the protrusion (6) prevents the laundry from gathering in the center by forming different impacting surfaces on the rear wall (3) for the laundry.
  • the laundry is provided to move away from each other by impacting the protrusion (6).
  • the protrusion (6) provides increase in the rubbing effect on the laundry, thus improving the washing performance.
  • the laundry placed in the drum (4) is prevented from moving symmetrically like a single piece ( Figure 4).
  • the protrusion (6) is shaped as a ring.
  • the protrusion (6) forms an impacting surface for the laundry.
  • the laundry is prevented from being processed as a single piece inside the drum (4) by clinging to each other.
  • the protrusion (6) provides the laundry to be moved from back to front and to be mixed inside the drum (4) during the rotation of the drum (4) ( Figure 3).
  • the protrusion (6) is concentric with the rear wall (3) center.
  • the protrusion (6) is not concentric with the rear wall (3) center.
  • the center of movement of the drum (4) and the center of movement of the protrusion (6) being different provides the movement directions of the laundry to be differentiated.
  • the symmetrical movement of the laundry towards the center of the rear wall (3) by the movement of the drum (4) is disrupted and the laundry is provided to be distributed.
  • the protrusion (6) and the rear wall (3) are produced separately.
  • the protrusion (6) is fixed on the rear wall (3) by methods such as welding, screwing etc.
  • the protrusion (6) is formed on the rear wall (3) by the deep drawing method.
  • a form is provided on the rear wall (3), which provides the loads to be carried more effectively.
  • the protrusion (6) is produced as a single piece together with the rear wall (3) and the baffles (5).
  • the height of the portion of the protrusion (6) that passes over the baffle (5) is less than the height of the portion of the protrusion (6) that passes over the compartments (7).
  • the protrusion (6) that functions as a second body (2) on the rear wall (3) provides the laundry to be mixed more inside the drum (4) ( Figure 3).
  • the portions of the protrusion (6) that face the inside of the drum (4) are shaped by rounding.
  • the laundry is prevented from being damaged due to the protrusion (6) ( Figure 4).
  • a washing machine or laundry washer/dryer (1) which comprises a protrusion (6) that prevents the laundry from gathering in the center of the real wall (3) and provides the laundry to be separated from each other during the rotation of the drum (4).
  • a protrusion (6) that prevents the laundry from gathering in the center of the real wall (3) and provides the laundry to be separated from each other during the rotation of the drum (4).

Abstract

The present invention relates to a washing machine or laundry washer/dryer (1) comprising a drum (4) wherein the laundry is placed, having a cylindrical body (2) and a circular rear wall (3) covering the rear surface of the body (2) and one or more than one baffle (5) disposed on the rear wall (3), extending from the center of the rear wall (3) towards the outer periphery of the rear wall (3) and which forms a protrusion (6) inside the drum (4).

Description

A WASHING MACHINE OR LAUNDRY WASHER/DRYER
The present invention relates to a washing machine or laundry washer/dryer.
In washing machines or laundry washers/dryers, rear wall is one of the surfaces most contacted by the laundry placed in the drum. During the washing/drying steps, the laundry gathers by moving towards the rear wall of the drum. Since the mobility of the laundry in the drum is less, washing and/or drying performance decreases.
In the state of the art United States Patent Document No.US200522965, a drum is explained, which has protrusions disposed between the baffles on the rear wall.
In another state of the art embodiment, Korean Patent Document No.KR20050011515, a washing machine is explained, having baffles that are disposed on the rear wall and that provide the laundry to be moved.
The aim of the present invention is the realization of a washing machine or laundry washer/dryer wherein the mobility of the laundry in the drum is increased and thus the washing/drying effectiveness is provided to be increased.
The washing machine or laundry washer/dryer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises one or more than one baffle disposed on the rear wall, extending from the center of the rear wall towards the outer periphery of the rear wall and rising towards the inside of the drum and at least one protrusion having a continuous form and which extends from the rear wall towards the inside of the drum so as to exceed the baffles.
The washing machine comprises one or more than one compartment on the rear wall, formed by the baffles dividing the rear wall. Thus, a shape is provided on the rear wall, which provides the loads to be carried more effectively. By means of the protrusion, the laundry is prevented from gathering by being intertwined during washing.
In an embodiment of the present invention, the protrusion is shaped as a curve. During washing or rinsing, the laundry is provided to be mixed by impacting the protrusion surfaces disposed on the baffles and compartments as a single piece.
In another embodiment of the present invention, the protrusion is shaped as a spiral. By means of the protrusion, the laundry is provided to move forward along the protrusion. Furthermore, the laundry impacting the protrusion is provided to move in different directions.
In another embodiment of the present invention, the protrusion is shaped as a ring. The protrusion parallel to the body forms an impacting surface for the laundry. Thus, the laundry is prevented from being processed as a single piece inside the drum by clinging to each other and the contact of the laundry with detergent and water is increased.
In an embodiment of the present invention, the protrusion is concentric with the rear wall center.
In another embodiment of the present invention, the protrusion is not concentric with the rear wall center. the center of movement of the drum and the center of movement of the protrusion being different provides the movement directions of the laundry to be differentiated.
In another embodiment of the present invention, the protrusion and the rear wall are produced separately.
In another embodiment of the present invention, the protrusion is formed on the rear wall by the deep drawing method.
In an embodiment of the present invention, the protrusion is produced as integrated with the rear wall and the baffles.
In an embodiment of the present invention, the height of the portion of the protrusion that passes over the baffle is less than the height of the portion of the protrusion that passes over the compartments.
In an embodiment of the present invention, the portions of the protrusion that contact the laundry are rounded. Thus, the laundry is prevented from being deformed when the protrusion contacts the laundry.
By means of the present invention, a washing machine or laundry washer/dryer is realized which has a protrusion that provides the laundry to be moved from back to front and the washing and drying performance of which are increased.
The model embodiments that relate to the washing machine or laundry washer/dryer realized in order to attain the aim of the present invention are illustrated in the attached figures, where:
Figure 1 – is the perspective view of a washing machine or laundry washer/dryer.
Figure 2 – is the front view of a rear wall whereon the baffles and the extension are disposed.
Figure 3 – is the sideways view of a rear wall whereon the baffles and the extension are disposed.
Figure 4 – is the perspective view of a rear wall whereon the baffles and the extension are disposed.
The elements illustrated in the figures are numbered as follows:
  1. Washing machine or laundry washer/dryer
  2. Body
  3. Rear wall
  4. Drum
  5. Baffle
  6. Protrusion
  7. Compartment
The washing machine or laundry washer/dryer (1) comprises a drum (4) wherein the laundry is placed, having a cylindrical body (2) and a circular rear wall (3) covering the rear surface of the body (2) and one or more than one baffle (5) disposed on the rear wall (3), extending from the center of the rear wall (3) towards the outer periphery of the rear wall (3) and which forms a protrusion (6) inside the drum (4) (Figure 1).
The washing machine or laundry washer/dryer (1) of the present invention furthermore comprises at least one protrusion (6)
  • disposed on the rear wall (3) of the drum (4),
  • having a continuous form,
  • surrounding the center of the rear wall (3) of the drum (4) and
  • extending towards the inside of the drum (4) so as to pass over each baffle (5) (Figure 2).
During the washing or drying of the laundry, the laundry moves inside the drum (4) by rotating with the rotation of the drum (4). By means of the protrusion (6), the laundry is provided to be moved from back to front and to be separated as layers. During the rotation of the drum (4), the laundry that impacts the protrusion (6) move away from each other and the laundry is provided to be effectively mixed inside the drum (4). Thus, the laundry is provided to contact effectively with detergent and water in the washing step and washing performance is increased.
In an embodiment of the present invention, the washing machine or laundry washer/dryer (1) comprises one or more than one compartment (7) that remains between the baffles (5). The rear wall (3) is divided by means of the baffles (5) and the compartments (7) are formed between the baffles (5). Thus, a form is provided on the rear wall (3), which provides the loads to be carried more effectively. Being over the baffles (5) and the compartments (7), the protrusion (6) provides the laundry to be separated into layers and to change places inside the drum (4) during washing (Figure 2, Figure 3, Figure 4).
In an embodiment of the present invention, the protrusion (6) is shaped as a curve. The protrusion (6) is disposed around the center of the rear wall (3). During the rotation of the drum (4), the protrusion (6) contributes to the movement of the laundry inside the drum (4). Thus, the laundry is provided to change places by moving parallel to the movement of the drum (4) and the contact of the laundry with detergent and water is increased (Figure 1).
In another embodiment of the present invention, the protrusion (6) is shaped as a spiral. The protrusion (6) prevents the laundry from gathering in the center by forming different impacting surfaces on the rear wall (3) for the laundry. During the rotation of the drum (4), the laundry is provided to move away from each other by impacting the protrusion (6). Moreover, the protrusion (6) provides increase in the rubbing effect on the laundry, thus improving the washing performance. Thus, the laundry placed in the drum (4) is prevented from moving symmetrically like a single piece (Figure 4).
In another embodiment of the present invention, the protrusion (6) is shaped as a ring. The protrusion (6) forms an impacting surface for the laundry. Thus, the laundry is prevented from being processed as a single piece inside the drum (4) by clinging to each other. The protrusion (6) provides the laundry to be moved from back to front and to be mixed inside the drum (4) during the rotation of the drum (4) (Figure 3).
In an embodiment of the present invention, the protrusion (6) is concentric with the rear wall (3) center.
In another embodiment of the present invention, the protrusion (6) is not concentric with the rear wall (3) center. The center of movement of the drum (4) and the center of movement of the protrusion (6) being different provides the movement directions of the laundry to be differentiated. Thus, the symmetrical movement of the laundry towards the center of the rear wall (3) by the movement of the drum (4) is disrupted and the laundry is provided to be distributed.
In another embodiment of the present invention, the protrusion (6) and the rear wall (3) are produced separately. The protrusion (6) is fixed on the rear wall (3) by methods such as welding, screwing etc.
In another embodiment of the present invention, the protrusion (6) is formed on the rear wall (3) by the deep drawing method. Thus, a form is provided on the rear wall (3), which provides the loads to be carried more effectively.
In an embodiment of the present invention, the protrusion (6) is produced as a single piece together with the rear wall (3) and the baffles (5).
In an embodiment of the present invention, the height of the portion of the protrusion (6) that passes over the baffle (5) is less than the height of the portion of the protrusion (6) that passes over the compartments (7). The protrusion (6) that functions as a second body (2) on the rear wall (3) provides the laundry to be mixed more inside the drum (4) (Figure 3).
In an embodiment of the present invention, the portions of the protrusion (6) that face the inside of the drum (4) are shaped by rounding. Thus, the laundry is prevented from being damaged due to the protrusion (6) (Figure 4).
By means of the present invention, a washing machine or laundry washer/dryer (1) is realized which comprises a protrusion (6) that prevents the laundry from gathering in the center of the real wall (3) and provides the laundry to be separated from each other during the rotation of the drum (4). Thus the laundry washing/drying performance is increased.
It is to be understood that the present invention is not limited by 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 (12)

  1. A washing machine or laundry washer/dryer (1) comprising
    - a drum (4) wherein the laundry is placed, having a cylindrical body (2) and a circular rear wall (3) covering the rear surface of the body (2)
    - one or more than one baffle (5) disposed on the rear wall (3), extending from the center of the rear wall (3) towards the outer periphery of the rear wall (3) and which forms a protrusion (6) inside the drum (4),
    characterized by the protrusion (6)
    - disposed on the rear wall (3) of the drum (4),
    - having a continuous form,
    - surrounding the center of the rear wall (3) of the drum (4) and
    - extending towards the inside of the drum (4) so as to pass over each baffle (5).
  2. A washing machine or laundry washer/dryer (1) as in Claim 1, characterized by one or more than one compartment (7) that remains between the baffles (5).
  3. A washing machine or laundry washer/dryer (1) as in Claim 1 or 2, characterized by the protrusion (6) that is shaped as a curve.
  4. A washing machine or laundry washer/dryer (1) as in any one of the Claims 1 to 3, characterized by the protrusion (6) that is shaped as a spiral.
  5. A washing machine or laundry washer/dryer (1) as in any one of the Claims 1 to 3, characterized by the protrusion (6) that is shaped as a ring.
  6. A washing machine or laundry washer/dryer (1) as in any one of the Claims 1 to 5, characterized by the protrusion (6) that is concentric with the center of the rear wall (3).
  7. A washing machine or laundry washer/dryer (1) as in any one of the Claims 1 to 5, characterized by the protrusion (6) that is not concentric with the center of the rear wall (3).
  8. A washing machine or laundry washer/dryer (1) as in any one of the above claims, characterized by the protrusion (6) that is produced separately from the rear wall (3).
  9. A washing machine or laundry washer/dryer (1) as in any one of the Claims 1 to 7, characterized by the protrusion (6) that is formed on the rear wall (3) by the deep drawing method.
  10. A washing machine or laundry washer/dryer (1) as in any one of the Claims 1 to 7, characterized by the protrusion (6) that is produced as a single piece together with the rear wall (3) and the baffles (5).
  11. A washing machine or laundry washer/dryer (1) as in any one of the above claims, characterized by the protrusion (6) of which the height of the portion that passes over the baffle (5) is less than the height of the portion that passes over the compartments (7).
  12. A washing machine or laundry washer/dryer (1) as in any one of the above claims, characterized by the protrusion (6) of which the portions that face the inside of the drum (4) are rounded.
PCT/EP2012/072528 2011-12-29 2012-11-14 A washing machine or laundry washer/dryer WO2013097974A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12791457.0A EP2798109B1 (en) 2011-12-29 2012-11-14 A washing machine or laundry washer/dryer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2011/13232 2011-12-29
TR201113232 2011-12-29

Publications (2)

Publication Number Publication Date
WO2013097974A2 true WO2013097974A2 (en) 2013-07-04
WO2013097974A3 WO2013097974A3 (en) 2013-11-14

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EP (1) EP2798109B1 (en)
WO (1) WO2013097974A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050011515A (en) 2003-07-23 2005-01-29 삼성전자주식회사 Drum type washing machine
US20050022965A1 (en) 2003-07-16 2005-02-03 Takeshi Mori Heat exchanger support structure of motor vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07116393A (en) * 1993-10-22 1995-05-09 Matsushita Electric Ind Co Ltd Clothes dryer
EP2053152B1 (en) * 2007-10-19 2011-04-27 Whirlpool Corporation Washing or drying machine with a drum provided with movable lifters

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050022965A1 (en) 2003-07-16 2005-02-03 Takeshi Mori Heat exchanger support structure of motor vehicle
KR20050011515A (en) 2003-07-23 2005-01-29 삼성전자주식회사 Drum type washing machine

Also Published As

Publication number Publication date
EP2798109B1 (en) 2016-02-03
WO2013097974A3 (en) 2013-11-14
EP2798109A2 (en) 2014-11-05

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