EP1507028A1 - Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine - Google Patents

Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine Download PDF

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Publication number
EP1507028A1
EP1507028A1 EP04002021A EP04002021A EP1507028A1 EP 1507028 A1 EP1507028 A1 EP 1507028A1 EP 04002021 A EP04002021 A EP 04002021A EP 04002021 A EP04002021 A EP 04002021A EP 1507028 A1 EP1507028 A1 EP 1507028A1
Authority
EP
European Patent Office
Prior art keywords
laundry
washing machine
drum
steam
smoothing wrinkles
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.)
Ceased
Application number
EP04002021A
Other languages
English (en)
French (fr)
Inventor
Kyung-Chul Woo
Jin-Woong Kim
Soo-Young Oh
Si- Moon Jeon
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP06101637A priority Critical patent/EP1657345A3/de
Publication of EP1507028A1 publication Critical patent/EP1507028A1/de
Ceased legal-status Critical Current

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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 
    • D06F39/40—Steam generating 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
    • 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 and, more particularly, to a method for smoothing wrinkles of the laundry in a drum-type washing machine.
  • a washing machine is a device for washing the laundry by performing a washing, rinsing and dewatering stroke.
  • the washing machine is divided into several types according to a washing method such as a pulsator method, an agitation method, a drum method, and the like.
  • Figure 1 is a sectional view showing a general drum-type washing machine.
  • the drum-type washing machine 1 includes a drum 4 having a plurality of lifts 5 formed therein in order to wash the laundry; a rotational shaft 3 coupled to the drum 4 to rotate the drum 4; a motor 6 for transferring a rotational force to the rotational shaft 3 through a pulley; a tub 2 supporting the rotational shaft 3 and coupled at an outer side of the drum 4 to store water; and a heater 7 installed at a lower side of the tub 2 and heating water.
  • the general drum-type washing machine is operated as follows.
  • the drum-type washing method after a detergent, water and the laundry are input to the drum, washing is performed by using a frictional force between the drum 4 rotated upon receiving the rotational force of the motor 6 and the laundry, so that the laundry is not hardly damaged nor tangled, and in addition, a washing effect of pounding and rubbing the laundry can be obtained.
  • the conventional drum-type washing machine has a problem that when a series of washing stroke is completed, the laundry in the drum-type washing machine is found to have wrinkles. For example, when the washing machine completes the washing process, the rinsing process and the dewatering process, the laundry in the drum-type washing machine wrinkles. Thus, after taking the wrinkled laundry out of the washing machine, a user should iron the laundry to get smoothed.
  • an object of the present invention is to provide a method for smoothing of the laundry wrinkled during a washing process in a washing machine without causing a trouble of ironing after completion of washing.
  • a method for smoothing wrinkles of the laundry in a washing machine including: heating water supplied into a washing machine and generating steam when a command signal for smoothing wrinkles of the laundry in the washing machine is inputted; and injecting the generated steam to the laundry in the washing machine while rotating a drum of the washing machine.
  • a method for smoothing wrinkles of the laundry in a washing machine including: supplying water into a steam generator of a washing machine when a command signal for smoothing wrinkles of the laundry is inputted by a user's request after a washing process of the washing machine is completed; heating water by means of a heater installed in the steam generator to generate steam; injecting stream generated for a first pre-set time to the laundry in the drum while rotating the drum of the washing machine; and stopping steam-injecting when the first pre-set time elapses.
  • a preferred embodiment of a method for smoothing the laundry wrinkled during a washing process in the drum-type washing machine, without causing a trouble of ironing the laundry afterward, by heating water supplied into the washing machine to generate steam and injecting the generated steam to the laundry in the washing machine while rotating the drum of the washing machine, will now be described with reference to Figures 2 to 4.
  • a drum-type washing machine having a steam generator of the present invention includes: a drum 140 rotated by a rotational force of an internal motor (reference numeral 210 in Figure 3) of a washing machine to wash the laundry; a water supply pipe 100 for supplying water into the drum 140; a detergent box 190 for supplying a detergent into the drum 140; a steam generator 110 for supplying steam into the drum 140; an injection nozzle 130 for injecting steam generated from the steam generator 110 into the drum 140 through a back-current preventing basin device 120; a drain pipe 150 for draining water from the drum 140; a circulation pimp 160 for pumping water drained from the drain pipe 150 and circulating it to the back-current preventing basin device 120 through a cyclic water pipe 170; and an outer cabinet 180 for protecting the drum 140, the water supply pipe 100, the detergent box 190, the steam generator 110, the injection nozzle 130, the drain pipe 150 and the circulation pump 160.
  • the drum-type washing machine in accordance with the present invention is operated as follows.
  • the drum 140 is rotated for a pre-set cooling time (e.g., one minute). When it reaches the pre-set cooling time, the drum is stopped from rotating to remove moisture generated as steam is in contact with the laundry.
  • a pre-set cooling time e.g., one minute
  • Figure 3 is a view showing a process of smoothing the laundry adopted for Figure 2 in accordance with the present invention.
  • a controller opens a water supply value (not shown) and supplies steam generating water as much as a pre-set water level in the steam generator 110.
  • the steam generator 110 communicates with the drum 140 accommodating the laundry, and a header (not shown) is installed inside the steam generator 110.
  • the header is operated by a control signal of the controller to heat the steam generating water supplied in the steam generator 110 and generate steam.
  • the heater in the steam generator is stopped to discontinue generation of steam and the drum 140 is rotated for a pre-set cooling time (e.g., one minute) to remove moisture remaining in the laundry.
  • a pre-set cooling time e.g., one minute
  • the controller opens the water supply valve according to the wrinkle-removing command signal and supplies steam generating water into the steam generator 110 (step S41).
  • a water level sensor determines whether a water level of the steam generating water reaches a pre-set water level in the steam generator 110 (step S42).
  • the pre-set water level is set at an uppermost position of the heater of the steam generator 110.
  • step S43 the heater is driven (step S43) to generate steam.
  • steam is generated for a pre-set steam generating time (e.g., two minutes ⁇ four minutes), and when the pre-set steam generating time elapses (step S44), the generated steam is injected to the laundry 200 in the drum.
  • step S45 While steam is injected to the laundry 200 inside the drum, the drum rotation motor 210 is driven (step S45) to rotate the drum with the laundry received therein. Accordingly, as the generated steam is injected to the laundry inside the drum and the drum is rotated according to driving of the drum-rotating motor, steam is in contact with the laundry evenly, whereby wrinkles of the laundry generated after completion of the washing process can be smoothed.
  • the process of injecting steam to the laundry and simultaneously rotating the drum 140 by driving the drum-rotating motor 210 is performed for the pre-set wrinkle-smoothing time (e.g., two minutes), and then, when the pre-set wrinkle-smoothing time elapses (step S46), the heater of the steam generator 110 is stopped to discontinue generation of steam (step S47).
  • the pre-set wrinkle-smoothing time e.g., two minutes
  • the drum After the heater of the steam generator 110 is stopped from operating (step S47), the drum is kept rotating for a pre-set cooling time (e.g., one minute) to cool the heat generated to the laundry as steam has been injected to the laundry.
  • a pre-set cooling time e.g., one minute
  • the drum-rotating motor 210 is stopped to stop rotation of the drum (step S49). Accordingly, by rotating the drum after injecting steam to the laundry to smooth wrinkles of the laundry, the wrinkles of the laundry is smoothed and the laundry is dewatered.
  • step S50-1 and S50-2 After the laundry is dewatered in the step S49, the user is informed of the completion of smoothing of wrinkles of the laundry (steps S50-1 and S50-2), power supply to the washing machine is automatically cut off (step S51), and the present invention is terminated.
  • the method for smoothing wrinkles of the laundry in a drum-type washing machine in accordance with the present invention has the following advantage.
  • the drum is rotated while steam is injected to the laundry positioned in the drum, whereby the laundry wrinkled during the washing process can be smoothed and thus the user may not be troubled by ironing the laundry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP04002021A 2003-08-13 2004-01-30 Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine Ceased EP1507028A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06101637A EP1657345A3 (de) 2003-08-13 2004-01-30 Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2003056266 2003-08-13
KR10-2003-0056266A KR100531379B1 (ko) 2003-08-13 2003-08-13 드럼 세탁기의 세탁물 구김 제거 방법

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06101637A Division EP1657345A3 (de) 2003-08-13 2004-01-30 Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine

Publications (1)

Publication Number Publication Date
EP1507028A1 true EP1507028A1 (de) 2005-02-16

Family

ID=36918369

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06101637A Withdrawn EP1657345A3 (de) 2003-08-13 2004-01-30 Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine
EP04002021A Ceased EP1507028A1 (de) 2003-08-13 2004-01-30 Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06101637A Withdrawn EP1657345A3 (de) 2003-08-13 2004-01-30 Verfahren zum Glätten von Falten in Kleidungsstücken in einer Waschmaschine

Country Status (4)

Country Link
US (2) US20050034248A1 (de)
EP (2) EP1657345A3 (de)
KR (1) KR100531379B1 (de)
CN (2) CN1818190A (de)

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WO2007024050A1 (en) * 2005-08-25 2007-03-01 Lg Electronics Inc. Operating method for laundry machine
WO2007081069A1 (en) * 2006-01-11 2007-07-19 Lg Electronics Inc. Laundry machine and washing method with steam for the same
EP1813709A2 (de) * 2006-01-26 2007-08-01 Samsung Electronics Co., Ltd. Waschmaschine mit einem Dampferzeuger und Kontrollverfahren für diesen
EP1873297A2 (de) 2006-06-30 2008-01-02 LG Electronics Inc. Waschmaschine und Steuerungsverfahren für ihren Dampferzeuger
WO2008119607A1 (de) * 2007-03-29 2008-10-09 BSH Bosch und Siemens Hausgeräte GmbH Haushalt-waschmaschine mit einer drehbar gelagerten wäschetrommel und verfahren zum deodorieren von kleidung in einer solchen waschmaschine
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US7690062B2 (en) 2007-08-31 2010-04-06 Whirlpool Corporation Method for cleaning a steam generator
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US7730568B2 (en) 2006-06-09 2010-06-08 Whirlpool Corporation Removal of scale and sludge in a steam generator of a fabric treatment appliance
US7753009B2 (en) 2006-10-19 2010-07-13 Whirlpool Corporation Washer with bio prevention cycle
US7765628B2 (en) 2006-06-09 2010-08-03 Whirlpool Corporation Steam washing machine operation method having a dual speed spin pre-wash
US7797969B2 (en) 2005-03-16 2010-09-21 Lg Electronics Inc. Washing machine using steam and method for controlling the same
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US7861343B2 (en) 2007-08-31 2011-01-04 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
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JP5100730B2 (ja) * 2009-09-24 2012-12-19 シャープ株式会社 洗濯機
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CN107780146B (zh) * 2016-08-26 2021-06-08 重庆海尔滚筒洗衣机有限公司 一种具有护衣装置的洗衣机
DE102017213671B3 (de) * 2017-08-07 2018-10-11 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung sowie Verfahren zur Pflege von Wäsche
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CN109736057B (zh) * 2018-12-17 2020-06-05 珠海格力电器股份有限公司 洗干机及其干衣除皱控制方法
CN111575987A (zh) * 2020-04-30 2020-08-25 亳州学院 一种智能洗衣机
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US20070130697A1 (en) 2007-06-14
CN1580359A (zh) 2005-02-16
CN1580359B (zh) 2011-05-18
KR20050017488A (ko) 2005-02-22
CN1818190A (zh) 2006-08-16
US20050034248A1 (en) 2005-02-17
KR100531379B1 (ko) 2005-11-28
EP1657345A3 (de) 2007-10-24

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