EP2412862A2 - Kleiderwaschverfahren für eine Waschmaschine - Google Patents

Kleiderwaschverfahren für eine Waschmaschine Download PDF

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Publication number
EP2412862A2
EP2412862A2 EP11382248A EP11382248A EP2412862A2 EP 2412862 A2 EP2412862 A2 EP 2412862A2 EP 11382248 A EP11382248 A EP 11382248A EP 11382248 A EP11382248 A EP 11382248A EP 2412862 A2 EP2412862 A2 EP 2412862A2
Authority
EP
European Patent Office
Prior art keywords
washing
water
phase
partial
drain
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
Application number
EP11382248A
Other languages
English (en)
French (fr)
Other versions
EP2412862A3 (de
EP2412862B1 (de
Inventor
José Ignacio Ortega Salas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fagor Electrodomesticos SCL
Original Assignee
Fagor Electrodomesticos SCL
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Publication date
Application filed by Fagor Electrodomesticos SCL filed Critical Fagor Electrodomesticos SCL
Publication of EP2412862A2 publication Critical patent/EP2412862A2/de
Publication of EP2412862A3 publication Critical patent/EP2412862A3/de
Application granted granted Critical
Publication of EP2412862B1 publication Critical patent/EP2412862B1/de
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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
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • 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

Definitions

  • the invention relates to clothes washing by mechanical means, and more particularly, to a clothes washing method with partial water drain previous to the washing stage.
  • Methods for washing clothes in a washing machine comprising, depending on the washing program selected, a wetting phase, in which clothes absorb water which has entered the washing machine drum previously, and a washing phase where the clothes are mechanically treated.
  • Korean patent application KR20080040401 discloses a method for controlling a washing machine as described above, in which a drainage valve is activated, water level in the washing machine tub is measured, it is established if the level measured is less than a preset level, and the drainage valve is disconnected after a set period of time. A previous drain is performed before the washing to obtain a preset water level.
  • Korean patent application KR20070117912 discloses a washing machine, and a washing machine operating method which drains the water if the water level is beyond set limits, all of which occurs before the washing.
  • Korean patent application KR20050041499 discloses a method for controlling the washing process, in which the drum is supplied with a quantity of water after a set period of time, after which the water is drained, followed by a prewash and a washing. This involves a shorter washing program than normal, in order to remove dirt or sand remains, followed by a normal washing program.
  • Japanese patent application JP4285592 discloses an automatic washing machine control method, which employs water level detection before the washing process, wherein when the level exceeds a set value, the water is drained to a preset value, and the washing method is initiated when said preset level is obtained.
  • United States patent application US2008104770 discloses a washing control method, wherein water is intermittently supplied, and the variation in the water level in the tub produced as a result of said supply is detected, and the drum is drained when the water level remains constant or decreases. It constitutes an operation carried out before the washing method which allows the siphon phenomenon to be detected. It therefore constitutes an additional safety to the water supply for the washing method.
  • United States patent application US3071432 discloses a method for washing machines, wherein, after clothing is loaded, the drum is rotated and water is added continuously and any excess liquid is drained from the drum, whilst said drum is being continually heated during a first phase, and the water supply is shutoff as soon as a certain temperature is reached. Given that it involves a continuous water supply, it must periodically be partially drained to avoid flooding, whilst the water is heated.
  • the method of the invention involves a partial water drain following the wetting phase and before the completion of the washing phase, wherein a variable amount of water is drained as a function of the washing program selected and the load and type of clothing inserted in the washing machine.
  • Partial drain is understood to involve continuous and/or intermittent evacuation. The amount of water remaining in the washing machine is reduced and adjusted by means of said partial drain.
  • Fig. 1 shows a clothes washing method for a washing machine normally used. The method comprises, depending on the washing program selected, the phases explained below.
  • a detergent product dosage phase 1 which can be added all at once at the start of the method, or partially up to the water heating phase 4.
  • a water intake phase 2 which can be carried out partially until the water heating phase 4 inclusive.
  • a wetting phase 3 wherein the clothes absorb the water that enters the washing machine drum; during this phase the clothing load is subjected to mechanical agitation via the washing machine motor to obtain correct wetting.
  • the clothes absorb the water and the water level decreases in the drum; the washing machine has at lest one water level detection means, normally a pressure sensor, and thereby it can establish how much water there is in the drum.
  • the washing machine has several washing programmes, which respond to an algorithm that defines the phases of the washing method, with their different characteristics; when the water reaches the bottom level detected by the pressure sensor and after a preset period of time during which the clothing has absorbed the water, the selected washing program defines a new intake of water until it reaches the preset water level and depending on the clothing type and load inserted in the washing machine; this process is repeated a number of times as defined in the selected washing program .
  • the washing machine is aware of the amount of water that has entered the washing machine, the approximate amount of water absorbed and therefore the approximate amount of water remaining, and with this data and the characteristics of the washing programme selected it is aware of the clothing type and load inserted in the washing machine.
  • a water heating phase 4 which may or may not exist depending on the selected wash program, wherein the water is heated to a set temperature. As a function of the selected washing program and the clothing type and load defined, and if the wetting phase was not sufficiently long, this phase may involve further water intake.
  • a washing phase 5 wherein the clothing is mechanically treated by rotating the washing machine drum alternately in one direction and another via a motor, for a set period of time according to the washing program selected.
  • Fig. 2 shows a clothes washing method for a washing machine, with partial water drain before the end of the washing phase 5 according to a first embodiment.
  • the washing program selected defines a partial water drain 9, wherein a variable amount of water is drained from the washing machine as a function of clothing load and type inserted in the washing machine.
  • the selected washing program defines the clothing type and load in the washing machine, and using this information and a preset level of water required for the washing phase 5, it defines the amount of water to be drained.
  • This partial drain 9 also extracts some of the detergent and water heated previously from the washing container, but there is a reduction and better adjustment of the amount of water remaining in the washing machine after the partial drain 9 and required for the washing phase 5.
  • Fig. 3 shows a clothes washing method for a washing machine, with partial water drain before the end of the washing phase 5 according to a second embodiment.
  • the selected washing program defines a partial water drain 10, wherein a variable amount of water is drained from the washing machine as a function of clothing load and type inserted in the washing machine.
  • not so much water is heated during the water heating phase 4 and the detergent product dosage phase can be carried out in three different ways: at a phase 1 during the water intake phase 2, at a phase 11 during the wetting phase 3, and at a phase 12 after the partial drain 10 and before the water heating phase 4, thereby avoiding in the latter extracting detergent product from the washing machine during the partial drain 10.
  • Fig. 4 shows a clothes washing method for a washing machine, with partial water drain before the end of the washing phase 5 according to a third embodiment.
  • the selected washing program defines the carrying out of the water partial water drain in two phases, wherein a variable amount of water is drained from the washing machine as a function of clothing type and load inserted in the washing machine; the first drainage 13 is carried out after the wetting phase 3 and before the end of the water heating phase 4 or before the start of said phase, and the second partial drain 14 is carried out after the water heating phase 4 and before the end of the washing phase 5.
  • the detergent product dosage phase can be carried out in three different ways: at a phase 1 during the water intake phase 2, at a phase 11 during the wetting phase 3, and at a phase 12 after the partial drain 13 and before the water heating phase 4, thereby avoiding in the latter extracting detergent product from the washing machine during the partial drain 13.
  • washing efficiency can be improved, by extending clothing washing time (motor ON) for the same washing phase duration 5, or reducing clothing washing time for the same efficiency and thereby reducing power consumption.
  • a better adjustment of the amount of water remaining in the washing machine for the washing phase 5 after the several partial drains is also achieved, as after the wetting phase 3 it is aware of how much water has entered in the washing machine, the approximate amount of water absorbed and therefore the approximate amount of water remaining, and with this data and the characteristics of the washing programme selected it is aware of the clothing type and load in the washing machine.
  • the selected program has to operate during the wetting phase with imprecise water level detection signals due to the drum's movement, with approximate preset times for the volume of clothing in the drum which make water absorption difficult, all of which extends the time needed to precisely obtain the amount of water adjusted to the washing phase 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP11382248.0A 2010-07-29 2011-07-20 Kleiderwaschverfahren für eine Waschmaschine Active EP2412862B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201031181A ES2402497B1 (es) 2010-07-29 2010-07-29 Metodo de lavado de ropa para una lavadora y lavadora que implementa dicho método

Publications (3)

Publication Number Publication Date
EP2412862A2 true EP2412862A2 (de) 2012-02-01
EP2412862A3 EP2412862A3 (de) 2015-10-07
EP2412862B1 EP2412862B1 (de) 2016-09-14

Family

ID=44674676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11382248.0A Active EP2412862B1 (de) 2010-07-29 2011-07-20 Kleiderwaschverfahren für eine Waschmaschine

Country Status (2)

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EP (1) EP2412862B1 (de)
ES (2) ES2402497B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071432A (en) 1957-10-11 1963-01-01 Pfenningsberg Gmbh Maschfab Process for operating a washing machine
KR20050041499A (ko) 2003-10-31 2005-05-04 주식회사 대우일렉트로닉스 드럼세탁기의 세탁 제어 방법
KR20070117912A (ko) 2006-06-09 2007-12-13 엘지전자 주식회사 세탁기 및 그 동작방법
KR20080040401A (ko) 2006-11-03 2008-05-08 엘지전자 주식회사 세탁물 처리기기의 제어방법
US20080104770A1 (en) 2006-11-03 2008-05-08 Hwang Sang I Method of controlling laundry treatment machine
JP4285592B2 (ja) 2000-02-17 2009-06-24 横浜ゴム株式会社 ゴルフ用パター

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB585817A (en) * 1944-03-25 1947-02-25 Richard Lutz Gold Improvements in or relating to washing machines
FR2645552B1 (fr) * 1989-04-07 1991-05-31 Ciapem Procede de lavage de la laine dans un lave-linge, et lave-linge mettant en oeuvre ce procede
AU2004210281B2 (en) * 2003-02-06 2009-09-10 Lg Electronics Inc. Waching machine
KR100606473B1 (ko) * 2003-10-31 2006-07-31 대신증권 주식회사 원클릭 선물 포지션 전환 서비스 방법
EP1657344B1 (de) * 2004-11-12 2009-04-01 Electrolux Home Products Corporation N.V. Verfahren zum Waschen von Sportbekleidung
KR101165005B1 (ko) * 2006-12-20 2012-07-13 주식회사 대우일렉트로닉스 드럼세탁기의 울 세탁 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071432A (en) 1957-10-11 1963-01-01 Pfenningsberg Gmbh Maschfab Process for operating a washing machine
JP4285592B2 (ja) 2000-02-17 2009-06-24 横浜ゴム株式会社 ゴルフ用パター
KR20050041499A (ko) 2003-10-31 2005-05-04 주식회사 대우일렉트로닉스 드럼세탁기의 세탁 제어 방법
KR20070117912A (ko) 2006-06-09 2007-12-13 엘지전자 주식회사 세탁기 및 그 동작방법
KR20080040401A (ko) 2006-11-03 2008-05-08 엘지전자 주식회사 세탁물 처리기기의 제어방법
US20080104770A1 (en) 2006-11-03 2008-05-08 Hwang Sang I Method of controlling laundry treatment machine

Also Published As

Publication number Publication date
ES2595603T3 (es) 2017-01-02
ES2402497B1 (es) 2014-03-12
EP2412862A3 (de) 2015-10-07
ES2402497R1 (es) 2013-05-17
ES2402497A2 (es) 2013-05-06
EP2412862B1 (de) 2016-09-14

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