EP2158349A1 - Waschmaschine und verfahren zur behandlung von wäsche mit schaum - Google Patents
Waschmaschine und verfahren zur behandlung von wäsche mit schaumInfo
- Publication number
- EP2158349A1 EP2158349A1 EP08760838A EP08760838A EP2158349A1 EP 2158349 A1 EP2158349 A1 EP 2158349A1 EP 08760838 A EP08760838 A EP 08760838A EP 08760838 A EP08760838 A EP 08760838A EP 2158349 A1 EP2158349 A1 EP 2158349A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- foam
- washing machine
- air
- tub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
-
- 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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/12—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by gases, e.g. air or steam, introduced into the washing liquid
Definitions
- the invention relates to a washing machine and a method for treating laundry with foam.
- the mechanical processing of laundry items in a washing machine equipped with a drum is mainly ensured by a cyclically repeated lifting of the laundry items in the drum arranged Wäschemit Meeting and falling down the laundry items of these during the rotation of the drum (laundry case).
- an optimal so-called discharge parabola is generally determined by setting a rotational speed of the drum.
- the input of mechanical energy is achieved at a diameter of the drum of a currently common in Europe front loader washing machine at about 50 revolutions per minute.
- a reversing rhythm i. a cyclically repeated switching the direction of rotation of the drum, the mechanical processing during washing can be varied and adjusted in a wide range.
- the foam column has a height of at least 30 cm, but not more than 40 cm, after a foaming time of 120 seconds
- the theoretical foam height after application of a 50 g weight is not less than 28 cm, the difference between the maximum foam height after 120 seconds foaming time and the theoretical foam height being less than 4.3 cm and / or (iv) the decrease the foam height per unit time is less than 2 cm per minute after weight application; c) and the textiles are gently washed in this foam.
- DE 35 28 253 A1 discloses a method and a device for washing laundry, in particular a method for washing laundry in a washing machine while introducing room air into the washing and / or rinsing eye and a washing machine with a rotatable drum and a fan, one above the highest achievable
- Lye container arranged nozzle. Room air is pressed into the tub by means of a blower, this room air coming in through the holes in the wash drum.
- a washing machine for carrying out this method has a tub disposed in a housing and means for moving the laundry within the tub, wherein in the housing a diaphragm air pump is mounted, which promotes a mechanical vibration transmissible pipe air through at least one of the air finely distributing nozzle head, the is arranged in the interior of the tub below the Laugenspiegels.
- the object of the present invention is therefore to provide a washing machine and a method for the gentle treatment of laundry, in which the effects of the mechanics of the washing process are low, the washing machine and the method especially for the treatment of delicate laundry items from high-quality textiles such as wool , Silk or tulle are suitable.
- washing machine having the features of patent claim 1 and by a method having the features of patent claim 7.
- Preferred embodiments of the invention are listed in the respective dependent claims. Preferred embodiments of the washing machine correspond to preferred embodiments of the method, even if it is not individually referred to herein.
- the invention thus relates to a washing machine for the particularly gentle treatment of laundry with foam from a wash liquor with a drum rotatably mounted in a tub, arranged at the bottom of the tub
- Laugenablholzsystem a drive motor for the drum and a heater, wherein the washing machine independently of the drum switchable device for
- Entry of air into the wash liquor and the device for recording air is an air compressor pump with an outlet to the tub.
- the outlet of the air compressor pump is preferably located in a lower region between the drum and the tub.
- "lower area between the drum and the tub” preferably means the area between the drum and the tub, which is filled by the wash liquor when it is present in the tub in an amount sufficient to the lower end of the drum to touch.
- the geometry of the foam can be optimized via the structural design of a vent at the outlet of the air compressor pump, wherein a pore size between a fine-pored and a coarse-pored foam is set.
- a fine-pored foam generally has a better cleaning effect, as it can easily penetrate into laundry.
- an additional structural expression of the drum is provided, which for Supporting a formation of foam is provided.
- This is preferably a Wäschemit facilitator, which is optimized with regard to the entry of air. It is understood that a plurality or multiplicity of such laundry carriers, in particular a number of three or four, is more preferred.
- the aforementioned Wäschemit distractor can be molded as an integral part of the drum or used as an additional component in the drum. He also represents a variety of embodiments for the structural expression, which is conceivable in particular as an arrangement of special ribs or as a helically wound expression of an inner part of the drum.
- the device for introducing air into the wash liquor is preferably controllable by a corresponding controlled system, which in particular comprises a control device of the washing machine. This allows a controllable entry of air into the wash liquor. In addition to the possibility of a constant air entry, which can only be switched on and off, a continuous or stepwise variation of the amount of registered air can be provided.
- a washing machine has switching means for rotating and stopping the drum.
- a washing machine according to the invention preferably has a sensor for determining a quantity of a liquid or foam present in the tub as part of the said controlled system.
- the filling of the drum with foam can be determined by a suitable sensor.
- a suitable sensor As a sensor for determining the amount of one in the tub
- Liquid or a foam whose sensor signal is tracked during the process a conventional sensor can be used for the determination of the water level.
- Such a sensor generally measures a hydrostatic pressure p and / or a temporal gradient (ApZAt) 1 of the hydrostatic pressure p.
- the foam filling is generally indicated by a sudden pressure increase at the sensor.
- An advantage of the invention is based on the fact that the laundry case is limited by a shortening of the fall path for the laundry items.
- the inner portion of the drum is filled with foam when treating laundry with foam for the most part. When rotating the drum, the laundry items therefore fall directly into the built foam. This reduces the fall path and reduces the kinetic energy of the laundry items Impact on the foam in a gentle way in the deformation or movement and heating of the foam implemented.
- the surprisingly improved cleaning effect can be explained by the increase in the relative movement between the foam and the laundry. This leads to an improvement in the dissolution and removal of impurities in the laundry.
- the invention also relates to a method for particularly gentle treatment of laundry with a foam from a wash liquor in a washing machine with a rotatably mounted in a tub drum, a bottom of the tub arranged lye drain system, a drive motor for the drum, a heater and an independent of the drum switchable device for introducing air into the wash liquor, wherein the foam is generated via the entry of air into the wash liquor by means of the device, the device is an air compressor pump and the air compressor pump via a in a lower region between the drum and the outlet located in the tub enters air into the wash liquor.
- the foam generally fills a large part of the interior of the drum.
- the foam is produced in an amount sufficient to provide the foam in the drum at a height of 1/3 to 2/3 of an inner diameter of the drum.
- the process of the invention works particularly well when the wash liquor has a detergent which can give a stable foam.
- a suitable detergent is described for example in DE 196 24 637 A1.
- a detergent is used which allows the formation of foam bubbles, whose diameter is smaller than the diameter of openings in the drum and / or therein Wäschemit distractn.
- a washing machine according to the invention whose Wäschemitcalming and / or the interior of the drum have openings which are larger than the diameter of the foam bubbles generated with a detergent.
- the openings are significantly larger than the diameters of the foam bubbles produced.
- the generation of foam can take place when the drum is stationary.
- the drum is rotated for rapid production of a foam and its good distribution within the drum at a suitable speed U 2 , wherein advantageously the direction of rotation can be changed.
- the speed U 2 can vary within wide ranges. Preferably, a speed U 2 in the range of 30 to 80, in particular 40 to 60, for example 50 revolutions per minute is used.
- a speed U 2 in the range of 30 to 80, in particular 40 to 60, for example 50 revolutions per minute is used.
- the generation of foam can be done at room temperature.
- the process according to the invention is carried out with a heated wash liquor and / or with heating of the wash liquor.
- the items of laundry are advantageously completely embedded in the foam.
- Inventive washing machine and method have significant advantages.
- the protection of delicate items such as wool, silk or tulle in a washing process is significantly improved.
- the washing performance is improved, so that in otherwise the same sequence of a wash program, an improved washing effect is achieved.
- Figure 1 is a schematic representation of the parts relevant for the illustration of a washing machine, in which a method according to the invention can be carried out. Other embodiments are conceivable.
- the washing machine of the embodiment shown in Figure 1 comprises a tub 1, in which a drum 2 rotatably mounted and can be operated by a drive motor 14.
- the axis of rotation 3 of the drum 2 is directed at a small angle (eg 13 °) from the horizontal to the front upwards, so that one has easier access and insight into the interior of the drum 2.
- the washing machine also has a liquor inlet system comprising a water connection fitting for the domestic water network 8, an electrically controllable valve 9 and a supply line 10 to the tub 1, which may optionally also be guided via a Waschstoffein Kunststoff Anlagen Maschinene ("Ein Hamptonschale") 11, from which the feed water In the tub 1, a heating device 13 is located in the tub 1.
- the valve 9 as well as the heating device 13 are controlled by a control device (“program control”) 12 in response to a program schedule which is sent to a time program and / or is bound to the achievement of certain measurements of parameters such as liquor level, foam level, liquor temperature, speed of the drum 2, etc. within the washing machine.
- a sensor 15 for the measurement of the hydrostatic pressure p in the tub 1 is provided.
- a lye drainage system 20 which according to conventional practice in addition to corresponding lines a drain valve and a drain pump includes is shown for clarity only schematically.
- the Wäschemit perhaps alone 4 are optimized as additional structural features of the drum 2 to support a formation of foam, as described in detail above.
- a regulation of the formation of foam takes place via a controlled system comprising the sensor 15 and the control device 12, so that, whether by changing input and
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (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)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10186275T PL2312036T3 (pl) | 2007-06-20 | 2008-06-11 | Pralka i sposób obróbki prania przy użyciu piany |
PL08760838T PL2158349T3 (pl) | 2007-06-20 | 2008-06-11 | Pralka automatyczna i sposób obróbki prania przy użyciu piany |
EP10186275.3A EP2312036B1 (de) | 2007-06-20 | 2008-06-11 | Waschmaschine und Verfahren zur Behandlung von Wäsche mit Schaum |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007028213A DE102007028213A1 (de) | 2007-06-20 | 2007-06-20 | Waschmaschine und Verfahren zur Behandlung von Wäsche mit Schaum |
PCT/EP2008/057285 WO2008155272A1 (de) | 2007-06-20 | 2008-06-11 | Waschmaschine und verfahren zur behandlung von wäsche mit schaum |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10186275.3A Division EP2312036B1 (de) | 2007-06-20 | 2008-06-11 | Waschmaschine und Verfahren zur Behandlung von Wäsche mit Schaum |
EP10186275.3 Division-Into | 2010-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2158349A1 true EP2158349A1 (de) | 2010-03-03 |
EP2158349B1 EP2158349B1 (de) | 2013-02-13 |
Family
ID=39865579
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08760838A Active EP2158349B1 (de) | 2007-06-20 | 2008-06-11 | Waschmaschine und verfahren zur behandlung von wäsche mit schaum |
EP10186275.3A Active EP2312036B1 (de) | 2007-06-20 | 2008-06-11 | Waschmaschine und Verfahren zur Behandlung von Wäsche mit Schaum |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10186275.3A Active EP2312036B1 (de) | 2007-06-20 | 2008-06-11 | Waschmaschine und Verfahren zur Behandlung von Wäsche mit Schaum |
Country Status (7)
Country | Link |
---|---|
US (1) | US9926660B2 (de) |
EP (2) | EP2158349B1 (de) |
CN (2) | CN102535097B (de) |
DE (1) | DE102007028213A1 (de) |
EA (2) | EA017720B1 (de) |
PL (2) | PL2312036T3 (de) |
WO (1) | WO2008155272A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101184457B1 (ko) * | 2007-09-07 | 2012-09-20 | 삼성전자주식회사 | 세탁기 및 그 세탁제어방법 |
DE102009027934A1 (de) * | 2009-07-22 | 2011-01-27 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Veredeln von Textilien in einer Haushaltswaschmaschine sowie Steuerungsvorrichtung und Haushaltswaschmaschine |
DE102009028197A1 (de) * | 2009-08-04 | 2011-02-17 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zum Erzeugen von Schaum in einer Wäschebehandlungsmaschine, Verfahren zu ihrer Verwendung sowie Wäschebehandlungsmaschine |
EP3428338B1 (de) * | 2016-03-08 | 2023-09-06 | LG Electronics Inc. | Wäschehandhabungsvorrichtung und steuerungsverfahren dafür |
DE102016212984A1 (de) * | 2016-07-15 | 2018-01-18 | Henkel Ag & Co. Kgaa | Prüfen auf potentiell unerwünschte Wäschestücke |
CN107044034B (zh) * | 2017-05-27 | 2019-05-21 | 无锡小天鹅股份有限公司 | 洗衣机 |
BR112022002093A2 (pt) | 2019-08-08 | 2022-04-19 | Kemin Ind Inc | Métodos para tratar artigos têxteis com espuma e processos relacionados |
US20220042241A1 (en) * | 2020-08-07 | 2022-02-10 | Kemin Industries, Inc. | Methods of treating textiles with foam and related processes |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB625853A (en) * | 1946-11-13 | 1949-07-05 | Christian Oskar Rasmussen | A machine for washing and drying clothes |
FR1382620A (fr) * | 1963-02-15 | 1964-12-18 | Constructa Werke Gmbh | Procédé pour le lavage du linge et machine à tambour pour l'exécution de ce procédé |
DE2907562C2 (de) * | 1979-02-27 | 1983-09-08 | Hermann 7923 Königsbronn Esswein | Verfahren zum Erhöhen der Reinigungswirkung von Waschmaschinen und Waschmaschine zur Durchführung des Verfahrens |
DE3042832A1 (de) * | 1980-11-13 | 1982-06-09 | Albert 5413 Bendorf Klösters | Verfahren zum waschen, spuelen, schleudern und trocknen von waesche und waschvollautomat zur durchfuehrung dieses verfahrens |
JPS58149372A (ja) * | 1982-02-23 | 1983-09-05 | 皆川 基 | あわ洗たく方法 |
DE3427078A1 (de) * | 1984-07-23 | 1986-01-23 | Henkel KGaA, 4000 Düsseldorf | Waschverfahren fuer empfindliche textilien |
DE3528253A1 (de) * | 1985-05-02 | 1986-11-06 | Bodo 2391 Oeversee Hinrichsen | Verfahren und vorrichtung zum waschen von waesche |
KR950007050B1 (ko) * | 1991-01-12 | 1995-06-30 | 대우전자주식회사 | 기포발생기를 구비한 세탁기 및 기포를 이용한 피세탁물의 세탁방법 |
JP2678824B2 (ja) * | 1991-02-28 | 1997-11-19 | シャープ株式会社 | 洗濯機 |
CN2256429Y (zh) | 1996-02-01 | 1997-06-18 | 王志锐 | 微泡及喷射水流洗衣机 |
DE19624637A1 (de) * | 1996-06-21 | 1998-01-02 | Henkel Kgaa | Waschverfahren für Textilien mit verbesserten Pflegeeigenschaften |
AU2301399A (en) * | 1998-01-23 | 1999-08-09 | Joseph Bernardi | Method and device for cleaning articles |
JP3296791B2 (ja) * | 1998-08-07 | 2002-07-02 | 三洋電機株式会社 | 洗濯機 |
IT1308788B1 (it) | 1999-07-05 | 2002-01-10 | Merloni Elettrodomestici Spa | Metodo per il lavaggio di biancheria e macchina atta al lavaggio dibiancheria che implementa tale metodo. |
JP2001198392A (ja) * | 2000-12-22 | 2001-07-24 | Matsushita Electric Ind Co Ltd | 洗濯機 |
US6662600B1 (en) * | 2002-08-07 | 2003-12-16 | Tennant Company | Foamed cleaning liquid dispensing system |
JP3772821B2 (ja) * | 2001-10-23 | 2006-05-10 | エルジー電子株式会社 | 洗濯機 |
ES2252342T3 (es) * | 2002-04-02 | 2006-05-16 | Whirlpool Corporation | Metodo para controlar el programa de una maquina lavadora y maquina lavadora que utiliza dicho metodo. |
JP3812517B2 (ja) * | 2002-08-30 | 2006-08-23 | 松下電器産業株式会社 | ドラム式洗濯機 |
CN2661743Y (zh) * | 2003-11-18 | 2004-12-08 | 杭州松下家用电器有限公司 | 全自动洗衣机 |
KR20060023067A (ko) * | 2004-09-08 | 2006-03-13 | 삼성전자주식회사 | 세탁기 |
DE202005009445U1 (de) * | 2005-06-16 | 2005-09-08 | Frost, Vladimir | Waschmaschine mit einem Luftantrieb |
US8312582B2 (en) * | 2006-06-19 | 2012-11-20 | Samsung Electronics Co., Ltd. | Washing machine and control method thereof |
KR20080039647A (ko) * | 2006-11-01 | 2008-05-07 | 삼성전자주식회사 | 세탁기 및 그 세탁제어방법 |
US20080155760A1 (en) * | 2006-12-28 | 2008-07-03 | General Electric Company | Method and apparatus for operating a washing machine |
KR101184457B1 (ko) * | 2007-09-07 | 2012-09-20 | 삼성전자주식회사 | 세탁기 및 그 세탁제어방법 |
-
2007
- 2007-06-20 DE DE102007028213A patent/DE102007028213A1/de not_active Withdrawn
-
2008
- 2008-06-11 EP EP08760838A patent/EP2158349B1/de active Active
- 2008-06-11 PL PL10186275T patent/PL2312036T3/pl unknown
- 2008-06-11 US US12/665,774 patent/US9926660B2/en active Active
- 2008-06-11 CN CN201210033087.3A patent/CN102535097B/zh active Active
- 2008-06-11 EA EA201070017A patent/EA017720B1/ru not_active IP Right Cessation
- 2008-06-11 EA EA201270668A patent/EA021320B1/ru not_active IP Right Cessation
- 2008-06-11 EP EP10186275.3A patent/EP2312036B1/de active Active
- 2008-06-11 WO PCT/EP2008/057285 patent/WO2008155272A1/de active Application Filing
- 2008-06-11 PL PL08760838T patent/PL2158349T3/pl unknown
- 2008-06-11 CN CN2008800206882A patent/CN101711294B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2008155272A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2312036A1 (de) | 2011-04-20 |
EP2312036B1 (de) | 2014-05-14 |
DE102007028213A1 (de) | 2008-12-24 |
EP2158349B1 (de) | 2013-02-13 |
EA017720B1 (ru) | 2013-02-28 |
WO2008155272A1 (de) | 2008-12-24 |
CN101711294A (zh) | 2010-05-19 |
CN102535097B (zh) | 2016-08-24 |
US20100242184A1 (en) | 2010-09-30 |
US9926660B2 (en) | 2018-03-27 |
CN102535097A (zh) | 2012-07-04 |
CN101711294B (zh) | 2012-03-21 |
PL2312036T3 (pl) | 2014-10-31 |
EA201070017A1 (ru) | 2010-06-30 |
EA201270668A1 (ru) | 2012-12-28 |
EA021320B1 (ru) | 2015-05-29 |
PL2158349T3 (pl) | 2013-07-31 |
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