WO1998029595A2 - Washing machine with a reduced height and a modular construction - Google Patents

Washing machine with a reduced height and a modular construction Download PDF

Info

Publication number
WO1998029595A2
WO1998029595A2 PCT/TR1997/000027 TR9700027W WO9829595A2 WO 1998029595 A2 WO1998029595 A2 WO 1998029595A2 TR 9700027 W TR9700027 W TR 9700027W WO 9829595 A2 WO9829595 A2 WO 9829595A2
Authority
WO
WIPO (PCT)
Prior art keywords
washing machine
water
washing
drum
modular
Prior art date
Application number
PCT/TR1997/000027
Other languages
French (fr)
Other versions
WO1998029595A3 (en
Inventor
Günsu ALBAS
Latif Tezduyar
Tahsin SÜMER
Burak Kiray
Merih Pasin
Original Assignee
Arçelik A.S.
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 Arçelik A.S. filed Critical Arçelik A.S.
Priority to DE69721319T priority Critical patent/DE69721319T2/en
Priority to AT97951423T priority patent/ATE238443T1/en
Priority to AU55068/98A priority patent/AU5506898A/en
Priority to EP97951423A priority patent/EP0960232B1/en
Publication of WO1998029595A2 publication Critical patent/WO1998029595A2/en
Publication of WO1998029595A3 publication Critical patent/WO1998029595A3/en

Links

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
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • 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 
    • D06F39/12—Casings; Tubs

Definitions

  • the centrifugal acceleration as a result of rotation in the washing machines with horizontal axes is used together with gravitational acceleration in order to increase the washing performance.
  • the laundry being washed is inserted into and out of the water and dropped down from given heights within the drum; thus achieving a better washing performance as compared to the washing machines with vertical axes.
  • one of the major parameters for increasing the washing performance of the washing machines with horizontal axes is the controllability of the drum motion.
  • the drive mechanism of the drum is a mechanical means such as a belt and pulley mechanism or a gear box.
  • direct drive it is possible to control the drum movement which is named as “intelligent drum motions", thus improving the washing performance as well as providing lower detergent and water consumption and obtaining a more reliable and durable system.
  • the object of the present invention is to develop a washing machine, with a drive system to realize intelligent washing movements, that is ergonomical, that can be contained in small volumes, and that comprises a modular water tank unit in order to be able to re-use the last rinsing water or to continue the washing cycle even during water-mains interruptions or modular storage unit to be used for various purposes and which provides many facilities according to the object of usage.
  • Figure 1 is the back view of a washing machine with classical drive system
  • Figure 2 is the back view of a washing machine with direct drive system
  • Figure 3 is the a) back view, b) side view of a short washing machine with modular construction
  • Figure 4 is the front view of a short modular washing machine with drawer modules.
  • Figure 5 shows a short modular washing machine with a water tank unit; (a) water circulation system is in the washing machine, (b) water circulation system is in the water tank unit;
  • Figure 6 shows a short and modular washing machine placed on a counter
  • Figure 7 shows a short modular washing machine mounted on the wall.
  • a drive system (5) directly connected to the drum (2) has been used instead of the drive engine (1) and a pulley (4) connected to the drum (2) by a belt (3) as used in classical machines. ( Figures 1,2).
  • This drive system realizes the intelligent drum movements achieving a superior washing performance by which the angular control of the drum is also provided.
  • the space reserved for the motor at the lower part of classical washing machines is emptied. Consequently:
  • washing machine comprising a modular water tank unit (8) to be placed in the lower part or any other suitable place of the washing machine, in order to re-use the last rinsing water or to provide the continuity of washing cycle even during water interruptions (Fig.5).
  • the circulation system (9) to be used to transfer water retained in the said water tank to the spin tub of the washing machine, may be realised within the machine or as a part of the storage modulus ( Figures 5a, b).
  • a pump shall transfer water taken from the water tank to the tub of the washing machine and provide its usage.
  • the connections of the unit so designed as to provide easy connection to the washing machine shall also comprise electrical connection to feed the circulation system as well as proper control connections.
  • the loading door is at a position higher than that of the classical machines and thus it is more practical for the user.
  • stator core with or without winding is cast together with the tank in the same mould from polymeric material by plastic injection method and joined together as one piece.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Centrifugal Separators (AREA)

Abstract

The present invention relates to a washing machine that can be contained in small volumes, consisting of a modular water tank unit in order to allow the continuity of washing during interruptions of main water supply, or a modular storage unit to be used for different purposes; with superior performance, having a drive system that realizes the intelligent washing movements. By direct connection of the drive system to the drum, the height of the washing machine has been reduced to the extent that it conforms to the tank diameter thus permitting the use of the section at the lower part of the machine reserved for the motor, for various purposes. As the result of this reduction in the height of the washing machine and as the directly connected drive system causes less vibration, it has been possible to use the washing machine by placing it on a counter or by mounting it on the wall.

Description

WASHING MACHINE WITH A REDUCED HEIGHT AND A MODULAR
CONSTRUCTION
The centrifugal acceleration as a result of rotation in the washing machines with horizontal axes, is used together with gravitational acceleration in order to increase the washing performance. During the rotational movement of the drum, the laundry being washed is inserted into and out of the water and dropped down from given heights within the drum; thus achieving a better washing performance as compared to the washing machines with vertical axes. For this reason, one of the major parameters for increasing the washing performance of the washing machines with horizontal axes, is the controllability of the drum motion.
In currently used washing machines, the drive mechanism of the drum is a mechanical means such as a belt and pulley mechanism or a gear box. By direct drive, it is possible to control the drum movement which is named as "intelligent drum motions", thus improving the washing performance as well as providing lower detergent and water consumption and obtaining a more reliable and durable system.
In the patent applications No. EP 0 691 099 A2 and EP 0 731 202 Al, systems with water retaining tanks designed for keeping the last rinsing water to be used in the next washing, are disclosed. These water tanks referred in these patent applications are described as being completely integrated with the washing machine system. In the patent application No. EP 0 282 465 A2 a washing machine of a smaller size, has been described. However the drive by the motor in the washing machine referred in the said patent application, is transmitted to the drum by means of belt-pulley arrangement as in classical machines and a reduction in size is proposed by placing the loading door at the front, thus creating a form similar to top loading washing machines with a drum on a horizontal axis. In the machine described in this patent, the machine has to be loaded after passing through two doors in order to reach the drum.
The object of the present invention is to develop a washing machine, with a drive system to realize intelligent washing movements, that is ergonomical, that can be contained in small volumes, and that comprises a modular water tank unit in order to be able to re-use the last rinsing water or to continue the washing cycle even during water-mains interruptions or modular storage unit to be used for various purposes and which provides many facilities according to the object of usage.
In relation with an example to the washing machine used to achieve the object of the present invention, the following drawings are given; wherein:
Figure 1 is the back view of a washing machine with classical drive system;
Figure 2 is the back view of a washing machine with direct drive system;
Figure 3 is the a) back view, b) side view of a short washing machine with modular construction;
Figure 4 is the front view of a short modular washing machine with drawer modules. Figure 5 shows a short modular washing machine with a water tank unit; (a) water circulation system is in the washing machine, (b) water circulation system is in the water tank unit;
Figure 6 shows a short and modular washing machine placed on a counter;
Figure 7 shows a short modular washing machine mounted on the wall.
In order to drive the washing machine subject to the present invention, a drive system (5) directly connected to the drum (2) has been used instead of the drive engine (1) and a pulley (4) connected to the drum (2) by a belt (3) as used in classical machines. (Figures 1,2). This drive system realizes the intelligent drum movements achieving a superior washing performance by which the angular control of the drum is also provided. As a result of the direct connection of the motor to the drum, the space reserved for the motor at the lower part of classical washing machines is emptied. Consequently:
• The height of the washing machine has been reduced, also by the proper geometrical design of the detergent drawer (6), without changing the washing capacity of the machine, to a size sufficient to confirm the drum diameter
(Fig.3).
• It has been possible to provide a drawer (7) with a modular construction to be placed in the lower part or any other suitable place of the shortened machine, in order to be used for storage of laundry detergent etc. (Fig. 4).
• It has also been possible to produce a washing machine comprising a modular water tank unit (8) to be placed in the lower part or any other suitable place of the washing machine, in order to re-use the last rinsing water or to provide the continuity of washing cycle even during water interruptions (Fig.5). The circulation system (9) to be used to transfer water retained in the said water tank to the spin tub of the washing machine, may be realised within the machine or as a part of the storage modulus (Figures 5a, b).
In case the water circulation system is placed inside the washing machine, a pump shall transfer water taken from the water tank to the tub of the washing machine and provide its usage. On the contrary in case the water circulation system is within the water retaining unit, the connections of the unit so designed as to provide easy connection to the washing machine shall also comprise electrical connection to feed the circulation system as well as proper control connections.
By reducing the height of the machine to a length just as high as to match with the tank diameter and as a result of the low vibration due to the direct drive system, it has been possible to place the washing machine on a counter (Fig. 6) or to mount it on a wall (Fig.7). In addition, the loading door has been raised to an easily accessible and ergonomical height for the user.
Although the system obtained by assembling the short-size machine with one of the said storage modules has the same dimensions as those of a classical washing machine, the loading door is at a position higher than that of the classical machines and thus it is more practical for the user.
In case the above mentioned washing machine that is driven by a direct drive system is equipped with a polymeric tub, the stator core with or without winding is cast together with the tank in the same mould from polymeric material by plastic injection method and joined together as one piece.

Claims

L A washing machine driven by a drive system connected concentrically to the drum shaft, wherein the detergent drawer is reduced in size and characterized in that it has a maximum height just to meet the diameter of the drum.
2. A washing machine as claimed in claim 1, characterized in that it has a modular section that can be used together with the washing machine or separately for various purposes, to be mounted to the lower part or any suitable part of the machine.
3. A washing machine according to claim 1, characterized with an independent, modular water retaining section having a mechanism that can be easily installed and in that, the transfer of water to the drum to provide the re-usage of the last rinsing water and/or to retain clean water to be utilised by the machine when required, is provided by a water circulation system.
4. A washing machine according to claim 1, characterized with an independent, modular water retaining section with a water circulation system used for the purpose of providing the re-usage of the last rinsing water of the washing cycle and to retain clean water to be utilized by the machine when required.
5. A washing machine according to claims from 1 to 4, characterized with a tub that is produced from polymeric material by plastic injection method and formed together with a stator core with or without windings, of a direct drive motor system, placed in a mould together with the tub as one-piece.
PCT/TR1997/000027 1996-12-30 1997-12-30 Washing machine with a reduced height and a modular construction WO1998029595A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69721319T DE69721319T2 (en) 1996-12-30 1997-12-30 WASHING MACHINE WITH REDUCED HEIGHT AND MODULAR STRUCTURE
AT97951423T ATE238443T1 (en) 1996-12-30 1997-12-30 WASHING MACHINE WITH REDUCED HEIGHT AND MODULAR STRUCTURE
AU55068/98A AU5506898A (en) 1996-12-30 1997-12-30 Washing machine with a reduced height and a modular construction
EP97951423A EP0960232B1 (en) 1996-12-30 1997-12-30 Washing machine with a reduced height and a modular construction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR96/01079A TR199601079A2 (en) 1996-12-30 1996-12-30 Short and modular washing machine.
TR96/1079 1996-12-30

Publications (2)

Publication Number Publication Date
WO1998029595A2 true WO1998029595A2 (en) 1998-07-09
WO1998029595A3 WO1998029595A3 (en) 1998-10-01

Family

ID=21621013

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR1997/000027 WO1998029595A2 (en) 1996-12-30 1997-12-30 Washing machine with a reduced height and a modular construction

Country Status (7)

Country Link
EP (1) EP0960232B1 (en)
AT (1) ATE238443T1 (en)
AU (1) AU5506898A (en)
DE (1) DE69721319T2 (en)
ES (1) ES2198014T3 (en)
TR (1) TR199601079A2 (en)
WO (1) WO1998029595A2 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7533548B2 (en) 2002-12-27 2009-05-19 Lg Electronics Inc. Drum type washing machine
US7568366B2 (en) 2004-07-20 2009-08-04 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US7628043B2 (en) * 2000-07-25 2009-12-08 Whirlpool Corporation Modular laundry system with horizontal modules
US7827834B2 (en) 2005-09-30 2010-11-09 Lg Electronics Inc. Bearing housing assembly of drum-type washing machine and drum-type washing machine with the same
US7841220B2 (en) 2005-09-30 2010-11-30 Lg Electronics Inc. Drum-type washing machine
US8087267B2 (en) 2002-12-27 2012-01-03 Lg Electronics Inc. Drum type washing machine
USRE43625E1 (en) 2006-03-29 2012-09-04 Lg Electronics Inc. Drum type washing machine
US9611578B2 (en) 2004-10-22 2017-04-04 Whirlpool Corporation Modular laundry system
US9845562B2 (en) 2004-10-22 2017-12-19 Whirlpool Corporation Laundry system with a laundry module for washing a load of fabric items
US11255040B2 (en) 2004-10-22 2022-02-22 Whirlpool Corporation Modular laundry system
US11629448B2 (en) 2017-03-13 2023-04-18 Midea Group Co., Ltd. Laundry washing machine with adjustable wash capacity

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023024A1 (en) * 1990-07-19 1992-01-23 Gut Ges Umweltschonende Tech Washing process - uses machine with filter and several storage containers which conduct rinsing liquor from 2nd and 3rd rinsing into joint container
DE19520330A1 (en) * 1995-06-02 1996-12-05 Wema Elektronik Gmbh Drive unit for washing machine drum

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023024A1 (en) * 1990-07-19 1992-01-23 Gut Ges Umweltschonende Tech Washing process - uses machine with filter and several storage containers which conduct rinsing liquor from 2nd and 3rd rinsing into joint container
DE19520330A1 (en) * 1995-06-02 1996-12-05 Wema Elektronik Gmbh Drive unit for washing machine drum

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7628043B2 (en) * 2000-07-25 2009-12-08 Whirlpool Corporation Modular laundry system with horizontal modules
US8336339B2 (en) 2002-12-27 2012-12-25 Lg Electronics Inc. Drum type washing machine
US8887537B2 (en) 2002-12-27 2014-11-18 Lg Electronics Inc. Drum-type washing machine
US7533548B2 (en) 2002-12-27 2009-05-19 Lg Electronics Inc. Drum type washing machine
US8671719B2 (en) 2002-12-27 2014-03-18 Lg Electronics Inc. Drum type washing machine
US8087267B2 (en) 2002-12-27 2012-01-03 Lg Electronics Inc. Drum type washing machine
US8646293B2 (en) 2002-12-27 2014-02-11 Lg Electronics Inc. Drum type washing machine
US8387421B2 (en) 2002-12-27 2013-03-05 Lg Electronics Inc. Drum-type washing machine
US8341983B2 (en) 2002-12-27 2013-01-01 Lg Electronics Inc. Drum-type washing machine
US8336340B2 (en) 2002-12-27 2012-12-25 Lg Electronics Inc. Drum-type washing machine
US8302434B2 (en) 2002-12-27 2012-11-06 Lg Electronics Inc. Drum-type washing machine
US8322170B2 (en) 2002-12-27 2012-12-04 Lg Electronics Inc. Drum-type washing machine
US8677787B2 (en) 2004-07-20 2014-03-25 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US8726702B2 (en) 2004-07-20 2014-05-20 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US8931312B2 (en) 2004-07-20 2015-01-13 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US7568366B2 (en) 2004-07-20 2009-08-04 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US8887538B2 (en) 2004-07-20 2014-11-18 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US8429938B2 (en) 2004-07-20 2013-04-30 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US8800326B2 (en) 2004-07-20 2014-08-12 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US8783072B2 (en) 2004-07-20 2014-07-22 Lg Electronics Inc. Drum-type washing machine and bearing housing structure thereof
US10253440B2 (en) 2004-10-22 2019-04-09 Whirlpool Corporation Laundry system
US10273618B2 (en) 2004-10-22 2019-04-30 Whirlpool Corporation Laundry system for washing multiple loads of fabric items
US11624145B2 (en) 2004-10-22 2023-04-11 Whirlpool Corporation Modular laundry system
US11255040B2 (en) 2004-10-22 2022-02-22 Whirlpool Corporation Modular laundry system
US10640904B2 (en) 2004-10-22 2020-05-05 Whirlpool Corporation Modular laundry system
US10443176B2 (en) 2004-10-22 2019-10-15 Whirlpool Corporation Laundry system
US10309047B2 (en) 2004-10-22 2019-06-04 Whirlpool Corporation Laundry system for washing multiple loads of fabric items
US10260189B2 (en) 2004-10-22 2019-04-16 Whirlpool Corporation Laundry system
US10208419B2 (en) 2004-10-22 2019-02-19 Whirlpool Corporation Modular laundry system
US10053807B2 (en) 2004-10-22 2018-08-21 Whirlpool Corporation Laundry system
US10041201B2 (en) 2004-10-22 2018-08-07 Whirlpool Corporation Modular laundry system
US9611578B2 (en) 2004-10-22 2017-04-04 Whirlpool Corporation Modular laundry system
US9845562B2 (en) 2004-10-22 2017-12-19 Whirlpool Corporation Laundry system with a laundry module for washing a load of fabric items
US9845561B2 (en) 2004-10-22 2017-12-19 Whirlpool Corporation Laundry module for washing a load of fabric items
US7827834B2 (en) 2005-09-30 2010-11-09 Lg Electronics Inc. Bearing housing assembly of drum-type washing machine and drum-type washing machine with the same
US7841220B2 (en) 2005-09-30 2010-11-30 Lg Electronics Inc. Drum-type washing machine
US8225628B2 (en) 2005-09-30 2012-07-24 Lg Electronics Inc. Drum-type washing machine
US8234890B2 (en) 2005-09-30 2012-08-07 Lg Electronics Inc. Drum-type washing machine
US8671718B2 (en) 2005-09-30 2014-03-18 Lg Electronics Inc. Drum-type washing machine
US8220294B2 (en) 2005-09-30 2012-07-17 Lg Electronics Inc. Drum-type washing machine
USD888355S1 (en) 2005-12-30 2020-06-23 Whirlpool Corporation Laundry washing module
USD888354S1 (en) 2005-12-30 2020-06-23 Whirlpool Corporation Laundry washing module
USRE43625E1 (en) 2006-03-29 2012-09-04 Lg Electronics Inc. Drum type washing machine
USRE44674E1 (en) 2006-03-29 2013-12-31 Lg Electronics Inc. Drum type washing machine
USRE44795E1 (en) 2006-03-29 2014-03-11 Lg Electronics Inc. Drum type washing machine
USRE44511E1 (en) 2006-03-29 2013-10-01 Lg Electronics Inc. Drum type washing machine
USRE44028E1 (en) 2006-03-29 2013-02-26 Lg Electronics Inc. Drum type washing machine
US11629448B2 (en) 2017-03-13 2023-04-18 Midea Group Co., Ltd. Laundry washing machine with adjustable wash capacity

Also Published As

Publication number Publication date
EP0960232A2 (en) 1999-12-01
ES2198014T3 (en) 2004-01-16
WO1998029595A3 (en) 1998-10-01
EP0960232B1 (en) 2003-04-23
DE69721319D1 (en) 2003-05-28
AU5506898A (en) 1998-07-31
ATE238443T1 (en) 2003-05-15
DE69721319T2 (en) 2004-02-26
TR199601079A2 (en) 1998-07-21

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