EP0829569B1 - Waschtrockner - Google Patents

Waschtrockner Download PDF

Info

Publication number
EP0829569B1
EP0829569B1 EP97115529A EP97115529A EP0829569B1 EP 0829569 B1 EP0829569 B1 EP 0829569B1 EP 97115529 A EP97115529 A EP 97115529A EP 97115529 A EP97115529 A EP 97115529A EP 0829569 B1 EP0829569 B1 EP 0829569B1
Authority
EP
European Patent Office
Prior art keywords
dryer
washer
water
spin
control means
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.)
Expired - Lifetime
Application number
EP97115529A
Other languages
English (en)
French (fr)
Other versions
EP0829569A3 (de
EP0829569A2 (de
Inventor
Shinichiro Kawabata
Masumi Ito
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of EP0829569A2 publication Critical patent/EP0829569A2/de
Publication of EP0829569A3 publication Critical patent/EP0829569A3/de
Application granted granted Critical
Publication of EP0829569B1 publication Critical patent/EP0829569B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/36—Condensing arrangements, e.g. control of water injection therefor

Definitions

  • the present invention relates to a washer-dryer apparatus that has a pre-heat drying function of performing the final spin-drying cycle of washing while providing hot air to the interior of a rapidly spinning rotatable drum.
  • the drum washer-dryer has a washing drum 105 supported by suspension means 103 in a washer outer housing 101, a spin-dryer (a rotatable drum) 107 mounted in the washing drum 105 in a manner to be rotatable on the horizontal axis X thereof, a fan 102 for creating an air flow or stream to be fed into the spin-dryer 107, and a heat exchanger (dehumidifier) 109 for dehumidifying the air stream provided by the fan 102.
  • a spin-dryer a rotatable drum
  • a fan 102 for creating an air flow or stream to be fed into the spin-dryer 107
  • a heat exchanger (dehumidifier) 109 for dehumidifying the air stream provided by the fan 102.
  • the drum washer-dryer is further equipped with a heater 111 for heating the air dehumidified by the dehumidifier 109, a drive motor 104 for driving the spin-dryer 107, a pulley 106 fixedly secured to the tip end portion of the rotary shaft 104a of the motor 104, a pulley 108 affixed to the rotary shaft 107a of the spin-dryer 107, a belt 110 spanned or stretched between the pulleys 106 and 108, a feed valve 112 for feeding water to the washing drum 105, and a feed valve 113 for feeding water to the heat exchanger 109.
  • a user opens an access door 115, then puts the laundry into the spin-dryer 107 together with a detergent, and turns ON a washing start key (not shown). Then, a microcomputer detects the turning-ON of the start key and controls the feed valve 112 to feed water into the washing drum 105. Upon completion of the feeding of water, the microcomputer controls the drive motor 104 to rotate at a predetermined rotational speed.
  • the drive motor 104 As the drive motor 104 is thus driven, its turning force is transmitted by the belt 110 to the spin-dryer 107 via the pulleys 106 and 108. As a result, the spin-dryer 107 is driven corresponding to the rotation of the drive motor 104 to create running water in the spin-dryer 107, thereby doing laundry.
  • the microcomputer controls the respective parts of the washer-dryer to perform draining (draining of waste water), water feeding, rinsing, draining and spin-drying cycles in a predetermined sequential order.
  • the spin-drying cycle of such a washer-dryer is composed of pre-heat drying and normal drying.
  • the pre-heat cycle will be described first.
  • the microcomputer turns ON the fan 102, the heat exchanger 109 and the heater 111 to drive them and, at the same time, drives the motor 104 to rapidly spin it (at such a rotational speed that centrifugal force exerted on the wet laundry is equal to or greater than the gravity acting thereon).
  • an air stream is provided by the fan 102, then dehumidified by the heat exchanger 109 and heated by the heater 111, and the warm air is provided via an air duct 118 to the interior of the rapidly spinning spin-dryer 107 (as indicated by arrows W).
  • the warm air thus blown into the spin-dryer 107 is fed back to the fan 102 via perforations 116 and warm air outlets 105a of the spin-dryer 107, thereafter being dehumidified, heated and fed into the spin-dryer 107 again. In this way, the drying air circulates through the drum washer-dryer.
  • the garments or the laundry is gradually dried by spin-drying of the rapidly spinning spin-dryer 107 and by evaporation with the hot air blown into the washing drum 105 from the heater 111 and the fan 102.
  • the moisture-laden air is dehumidified by the heat exchanger 109 and the resulting water is discharged to the outside.
  • the microcomputer switches the spin-dryer 107 to a low-speed rotation (at such a rotational speed that centrifugal force exerted on the wet laundry is smaller than the gravity acting thereon) for normal drying.
  • the drying rate by pre-heating is the sum of the spin-drying rate by the rapidly spinning of the spin-dryer 107 and the evaporation rate by the hot air provided by the heater 111 and the fan 102.
  • the drying rate is defined as the water content that comes out of the laundry per unit time.
  • Fig. 2 is a graph showing variations in the evaporation rate and the spin-drying rate with time during pre-heat drying.
  • the absolute humidity at saturation Xw is low because of low garment or laundry temperature, and consequently, the evaporation rate is low and the input (hot air) by the heater 111 is spent mainly in heating the garments.
  • the evaporation rate also increases accordingly (see the evaporation rate in Fig. 2).
  • a first problem concerns the evaporation rate. It is desirable to raise the absolute humidity at saturation Xw in the garment surface as soon as possible in the early stages of pre-heat drying. To meet this requirement, it is preferable that the amount of heat exchanged be small.
  • a second problem concerns the spin-drying rate.
  • EP-A2-0 716 178 discloses a washer-dryer apparatus according to the preamble of claim 1.
  • DE-OS 1 585 945 discloses a dryer apparatus which is operated such that at the stand of a drying cycle at first a heater is turned on, and then, when a considerable evaporation of water from the laundry occurs, the cooling water for a dehumidifyer is turned on.
  • the washer-dryer apparatus has the features which are recited in claim 1. Preferred embodiments of the invention are recited in the dependent claims.
  • the feed water control means controls the volume of cooling water that is fed to the water-cooled heat exchanger. This prevents the cooling water from dashing into the heat exchanger from the beginning of the pre-heat drying cycle; thus, the amount of heat exchanged is kept down and the absolute humidity at saturation Xw in the garment surface rises, causing an increase in the evaporation rate. Furthermore, since cooling of the circulating air by the heat exchange decreases, the spin-drying rate increases.
  • the feed water control means is means for starting water supply a certain elapsed time after the start of the pre-heat drying cycle.
  • the feed water control means has detecting means for determining the timing for starting the water supply after the elapse of the certain time.
  • the feed water control means is means for increasing the feed rate with time after the beginning of the pre-heat drying cycle.
  • the feed rate increases with time after starting the pre-heat drying cycle.
  • Such feed rate control suppresses the heat exchange in early stages of the pre-heat drying cycle, and hence it prompts faster heating of the laundry.
  • the evaporation rate increases with time, the circulating air is cooled and dehumidified with higher efficiency.
  • the feed water control means controls the feed rate according to the feed water temperature after the start of the pre-heat drying cycle.
  • the feed water control means has water temperature detect means.
  • the feed water control means detects the feed water temperature by the water temperature detect means and controls the feed rate according to the detected water temperature.
  • the feed water control means controls the feed rate for the heat exchanger according to the temperature of the air circulating through the washer-dryer apparatus.
  • circulating air temperature detect means is used to detect the circulating air temperature.
  • the feed water control means controls the feed rate for the heat exchanger according to the circulating air temperature detected by the detect means.
  • FIG. 3 there is illustrated a longitudinal-section view of a first embodiment of the drum washer-dryer apparatus of the present invention.
  • the drum washer-dryer of this embodiment has a washing drum 105 supported by suspension means 103 in a washer outer housing 101, a spin-dryer (a rotatable drum) 107 mounted in the washing drum 105 in a manner to be rotatable on the horizontal axis X thereof, a fan 102 for creating an air stream to be fed into the spin-dryer 107, and a heat exchanger (dehumidifier) 109 for dehumidifying the air stream provided by the fan 102.
  • a heat exchanger dehumidifier
  • the drum washer-dryer is further equipped with a heater 111 for heating the air dehumidified by the dehumidifier 109, a drive motor 104 for driving the spin-dryer 107, a pulley 106 fixedly secured to the tip end portion of the rotary shaft 104a of the motor 104, a pulley 108 affixed to the rotary shaft 107a of the spin-dryer 107, a belt 110 spanned or stretched between the pulleys 106 and 108, a feed valve 112 for feeding water to the washing drum 105, a feed valve 113 for feeding water to the heat exchanger 109 and a microcomputer 120 for controlling the respective parts of the washer-dryer.
  • a heater 111 for heating the air dehumidified by the dehumidifier 109
  • a drive motor 104 for driving the spin-dryer 107
  • a pulley 106 fixedly secured to the tip end portion of the rotary shaft 104a of the motor 104
  • a user opens an access door 115, then puts the laundry into the spin-dryer 107 together with a detergent, and turns ON a washing start key (not shown). Then, the microcomputer 120 detects the turning-ON of the start key and controls the feed valve 112 to feed water into the washing drum 105. Upon completion of the feeding of water, the microcomputer 120 controls the drive motor 104 to rotate at a predetermined rotational speed.
  • the drive motor 104 As the drive motor 104 is thus driven, its turning force is transmitted by the belt 110 to the spin-dryer 107 via the pulleys 106 and 108. As a result, the spin-dryer 107 is driven with the rotation of the drive motor 104 to create running water in the spin-dryer 107, thereby doing laundry.
  • the microcomputer 120 controls the respective parts of the washer-dryer to perform draining (draining of waste water), water feeding, rinsing, draining and spin-drying cycles in a predetermined sequential order.
  • the microcomputer 120 When the spin-drying cycle is reached, the microcomputer 120 performs pre-heat drying. In the first place, the microcomputer 120 turns ON the fan 102, the heat exchanger 109 and the heater 111 to drive them and, at the same time, drives the motor 104 to rapidly spin it (at such a rotational speed that centrifugal force exerted on the wet laundry is equal to or greater than the gravity acting thereon).
  • an air stream is provided by the fan 102, then dehumidified by the heat exchanger 109 and heated by the heater 111, and the warm air is provided via an air duct 118 to the interior of the rapidly spinning spin-dryer 107 (as indicated by arrows W).
  • the warm air thus blown into the spin-dryer 107 is fed back to the fan 102 via perforations 116 and warm air outlets 105a of the spin-dryer 107, thereafter being dehumidified, heated and fed into the spin-dryer 107 again. In this way, the drying air circulates through the drum washer-dryer.
  • the garments or the laundry is gradually dried by spin-drying of the rapidly spinning spin-dryer 107 and by evaporation with the hot air blown into the washing drum 105 from the heater 111 and the fan 102.
  • the moisture-laden air is dehumidified by the heat exchanger 109 and the resulting water is discharged to the outside.
  • the microcomputer 120 switches the spin-dryer 107 to a low-speed rotation (at such a rotational speed that centrifugal force exerted on the wet laundry is smaller than the gravity acting thereon) for normal drying.
  • the present invention features control of the feed valve for the heat exchanger during the pre-heat drying cycle. That is, the microcomputer 120 controls the feed valve during the pre-heat drying cycle for the most efficient heating and drying of the laundry.
  • This embodiment is adapted to provide increased drying rate by starting the water supply after the elapse of a certain period of time.
  • the average drying rate can be increased by starting the water supply to the heat exchanger 109 a predetermined period of time after the initiation of the pre-heat drying cycle instead of starting the water supply at the beginning of the pre-heat drying cycle.
  • This embodiment is equipped with detect means for determining the water supply start timing.
  • the optimum water supply start timing varies with the cooling power of the heat exchanger 109. It is the cooling water temperature that has an influence on the cooling power after the delivery of the washer-dryer apparatus to the user. That is, since tap water is usually employed as the cooling water for the water-cooled heat exchanger, the feed water temperature (the cooling water temperature) undergoes seasonal changes or temporal changes in a day.
  • cooling water temperature detect means is used to determine the water supply timing according to the cooling water temperature.
  • Fig. 5 is a longitudinal-sectional view of the washer-dryer apparatus of this embodiment, wherein a temperature sensor 1 is placed in a feed water conduit to the heat exchanger 109.
  • the feed water temperature during the final rinsing cycle is measured using the temperature sensor 1.
  • An alternative is to feed the cooling water to the heat exchanger for a short time and measure its temperature prior to the start of the pre-heat drying operation.
  • the feed water temperature is already known at the start of the pre-heat drying cycle and the cooling power of the heat exchange 109 can be predicted.
  • the water supply to the heat exchanger 109 is started at the timing that maximizes the average drying rate, determined by the relationships of the premeasured feed water temperature and the water supply stating time to the spin-drying and the evaporation rate.
  • This embodiment is intended to increase the feed rate with time.
  • the evaporation rate increases as the pre-heat drying proceeds. After certain elapsed time, the evaporation rate will increase in the case where the circulating air is cooled and dehumidified.
  • a feed valve 113b for the heat exchanger 109 is capable of controlling the flow rate by the microcomputer 120 in a washer-dryer apparatus of the Fig. 5 construction, the feed rate is increased with time immediately after the start of the pre-heat drying cycle or after a certain elapsed time, thereby increasing the cooling power of the heat exchanger 109 with the lapse of time (see Figs. 6(A) and (B)).
  • the feed water rate may also be changed by raising the rate of increase with time.
  • the spin-drying rate is affected by the temperature of the circulating air (indicted by the arrows) and the evaporation rate by the temperature and humidity of the circulating air.
  • the temperature and humidity of the circulating air change with the cooling power of the water-cooled heat exchanger 109, and the higher the cooling power, the less the temperature and humidity of the circulating air increases.
  • the spin-drying rate and the evaporation rate vary with the magnitude of the cooling power of the water-cooled heat exchanger 109 (Fig. 7 shows the case of starting the water supply right after the start of the pre-heat drying cycle). In other words, there exists cooling power with which the drying rate becomes maximum, and an optimum value fit for the actual apparatus is obtainable.
  • This embodiment is to control the feed rate according to the feed water temperature to adjust the cooling power of the heat exchanger to the preset optimum value, thereby improving the pre-heat drying function.
  • Fig. 5 this embodiment will be described, which has a feed valve 113b capable of controlling the flow rate therethrough by the microcomputer 120 and a temperature sensor 1 for measuring the temperature of the feed water to the heat exchanger 109.
  • the feed valve 113a is opened to permit the passage therethrough of the feed water in a given quantity.
  • the flow rate is adjusted in accordance with the measured water temperature so as to set the cooling power of the heat exchanger 109 at the predetermined value.
  • the water supply may also be begun after a certain time elapsed as in the first embodiment.
  • the temperature rising curve of the circulating air changes with the cooling power of the heat exchanger 109; the higher the cooling power, the lower the temperature rising curve.
  • the circulating air temperature at a point after certain elapsed time after the beginning of the pre-heat drying cycle is detected by the temperature sensor 2 in Fig. 5 and the cooling water temperature is estimated from the temperature rising gradient.
  • the cooling power of the heat exchanger 109 is set at the optimum value, proving enhanced pre-heat drying function.
  • this embodiment is identical with the fourth embodiment except the use of the temperature sensor 2.
  • a washer-dryer apparatus that performs the pre-heat drying cycle and the normal drying cycle and has feed water control means for controlling the water supply to the water-cooled heat exchanger (dehumidifier).
  • dehumidifier water-cooled heat exchanger

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Cleaning Or Drying Semiconductors (AREA)

Claims (8)

  1. Wasch-Trocknereinrichtung, welche aufweist:
    eine Waschtrommel (105),
    einen Schleudertrockner (107), der drehbar in der Waschtrommel (105) angeordnet ist,
    eine Gebläsevorrichtung (102) zu Erzeugung eines Luftstroms, der dem Inneren des Schleudertrockners (107) zugeführt werden soll,
    einen Wasser gekühlten Wärmetauscher (109) zum Entfeuchten des Luftstroms von der Gebläsevorrichtung (102), und
    eine Wasserzufuhrsteuervorrichtung (120, 113) zum Steuern der Kühlwasserzufuhr zu dem Wasser gekühlten Wärmetauscher;
    wobei in einem Vorheizungs-Trocknungszyklus zum Trocknen von Wäsche nach einem Waschzyklus sich der Schleudertrockner (107) schnell mit einer derartigen Umdrehungsgeschwindigkeit dreht, dass die auf die nasse Wäsche einwirkende Zentrifugalkraft größer oder gleich der auf diese einwirkenden Schwerkraft ist;
    dadurch gekennzeichnet, dass
    die Wasserzufuhrsteuervorrichtung (120, 113) in dem Vorheizungs-Trocknungszyklus die Kühlwasserzufuhrrate im Verlauf der Zeit so erhöht, dass eine niedrige Kühlleistung, verglichen mit jener Kühlleistung, die beim üblichen Trocknen eingesetzt wird, des Wasser gekühlten Wärmetauschers (109) in einer frühen Stufe des Vorheizungs-Trocknungszyklus zur Verfügung gestellt wird, so dass die mittlere Trocknungsrate maximiert wird.
  2. Wasch-Trocknereinrichtung nach Anspruch 1, bei welcher die Wasserzufuhrsteuervorrichtung (120, 113) mit der Wasserzufuhr beginnt, nach dem eine bestimmte Zeit (t1) nach Beginn des Vorheizungs-Trocknungszyklus abgelaufen ist.
  3. Wasch-Trocknereinrichtung nach Anspruch 2, bei welcher die Wasserzufuhrsteuervorrichtung (120, 113) eine Detektorvorrichtung (1) zum Bestimmen des Zeitpunkts zum Beginnen der Wasserzufuhr nach dem Ablauf der bestimmten Zeit aufweist.
  4. Wasch-Trocknereinrichtung nach Anspruch 1, bei welcher die Wasserzufuhrsteuervorrichtung (120, 113b) die Wasserzufuhrrate im Verlauf der Zeit nach dem Beginn des Vorheizungs-Trocknungszyklus erhöht.
  5. Wasch-Trocknereinrichtung nach Anspruch 1, bei welcher die Wasserzufuhrsteuervorrichtung (120, 113b, 1) die Wasserzufuhrrate entsprechend der Temperatur des zugeführten Wassers nach dem Beginn des Vorheizungszyklus steuert.
  6. Wasch-Trocknereinrichtung nach Anspruch 5, bei welcher die Wasserzufuhrsteuereinrichtung (120, 113b, 1) eine Wassertemperaturdetektorvorrichtung (1) aufweist, und die Wasserzufuhrrate entsprechend der festgestellten Wassertemperatur steuert.
  7. Wasch-Trocknereinrichtung nach Anspruch 1 oder 5, bei welcher die Wasserzufuhrsteuervorrichtung (120, 113b, 2) die Wasserzufuhrrate entsprechend der Temperatur der Luft steuert, die durch die Wasch-Trocknereinrichtung umgewälzt wird, nach dem Beginn des Vorheizungs-Trocknungszyklus.
  8. Wasch-Trocknereinrichtung nach Anspruch 7, welche weiterhin eine Umwälzlufttemperatur-Detektorvorrichtung (2) zur Feststellung der Umwälzlufttemperatur aufweist.
EP97115529A 1996-09-13 1997-09-08 Waschtrockner Expired - Lifetime EP0829569B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP24359096 1996-09-13
JP243590/96 1996-09-13
JP24359096A JP3346993B2 (ja) 1996-09-13 1996-09-13 洗濯乾燥機

Publications (3)

Publication Number Publication Date
EP0829569A2 EP0829569A2 (de) 1998-03-18
EP0829569A3 EP0829569A3 (de) 1999-01-13
EP0829569B1 true EP0829569B1 (de) 2002-03-20

Family

ID=17106087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97115529A Expired - Lifetime EP0829569B1 (de) 1996-09-13 1997-09-08 Waschtrockner

Country Status (4)

Country Link
EP (1) EP0829569B1 (de)
JP (1) JP3346993B2 (de)
KR (1) KR100230474B1 (de)
DE (1) DE69711137T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100126032A1 (en) * 2007-02-13 2010-05-27 Lg Electronics Inc. Ductless dryer

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4457524B2 (ja) 2001-06-05 2010-04-28 パナソニック株式会社 洗濯乾燥機
KR100418903B1 (ko) * 2001-09-19 2004-02-14 엘지전자 주식회사 건조세탁기의 건조행정의 제어방법
KR20040100894A (ko) * 2003-05-21 2004-12-02 산요덴키가부시키가이샤 의류건조 기능을 갖는 세탁기
JP2004350825A (ja) * 2003-05-28 2004-12-16 Matsushita Electric Ind Co Ltd 洗濯乾燥機
CN100564657C (zh) * 2003-08-05 2009-12-02 阿塞里克股份有限公司 洗衣机/干燥机的一种控制方法
KR100803119B1 (ko) * 2003-08-26 2008-02-14 엘지전자 주식회사 건조 겸용 드럼세탁기의 건조행정 제어방법
AU2004210559B2 (en) * 2003-10-21 2010-07-22 Lg Electronics Inc. Washing machine and control method thereof
KR101024920B1 (ko) * 2004-06-24 2011-03-31 엘지전자 주식회사 자동 건조 드럼 세탁기의 제어 방법
KR101366561B1 (ko) 2007-03-06 2014-02-25 삼성전자주식회사 세탁기 및 그 건조제어방법
KR100925734B1 (ko) * 2007-08-06 2009-11-11 엘지전자 주식회사 의류 건조기
KR101526986B1 (ko) * 2008-08-20 2015-06-11 엘지전자 주식회사 세탁장치의 제어방법
KR20100120053A (ko) * 2009-05-04 2010-11-12 엘지전자 주식회사 세탁장치 및 그 제어방법
CN102094309A (zh) * 2009-12-11 2011-06-15 博西华电器（江苏）有限公司 带有烘干功能的衣物处理设备及其控制方法
JP5936300B2 (ja) * 2010-11-25 2016-06-22 株式会社ハーマン 食器洗浄乾燥機
EP2570548A1 (de) 2011-09-19 2013-03-20 Electrolux Home Products Corporation N.V. Wäschetrockner mit mindestens einem Kondensator
CN104674532B (zh) * 2013-11-26 2018-01-09 博西华电器（江苏）有限公司 衣物烘干设备和用于控制衣物烘干设备中冷凝器的方法
JP7228488B2 (ja) * 2019-07-19 2023-02-24 株式会社Tosei 回転ドラム式乾燥機
US20220145507A1 (en) 2020-11-06 2022-05-12 Whirlpool Corporation Method Of Heating The Clothes Load In A Tumbling Combination Washer/Dryer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1585945A1 (de) * 1963-02-21 1969-09-25 Siemens Elektrogeraete Gmbh Verfahren zum Betrieb eines Waeschetrockners
DE2215319B1 (de) * 1972-03-29 1973-03-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Steuervorrichtung für einen Wäschetrockner
DE3017109A1 (de) * 1980-05-03 1981-11-05 Miele & Cie GmbH & Co, 4830 Gütersloh Verfahren zur durchfuehrung des trocknungsprogramms in einer trommelwasch- und trockenmaschine
JPH02218393A (ja) * 1989-02-20 1990-08-31 Fujitsu General Ltd 洗濯機
CA2053445C (en) * 1990-10-16 1999-05-11 Tatuo Akabane Tumbler type washing/drying machine and method of controlling the same
MY115384A (en) * 1994-12-06 2003-05-31 Sharp Kk Drum type washing machine and drier
US5887456A (en) * 1995-08-30 1999-03-30 Sharp Kabushiki Kaisha Drum type drying/washing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100126032A1 (en) * 2007-02-13 2010-05-27 Lg Electronics Inc. Ductless dryer

Also Published As

Publication number Publication date
DE69711137D1 (de) 2002-04-25
EP0829569A3 (de) 1999-01-13
EP0829569A2 (de) 1998-03-18
JP3346993B2 (ja) 2002-11-18
KR100230474B1 (ko) 1999-11-15
JPH1085497A (ja) 1998-04-07
KR19980024354A (ko) 1998-07-06
DE69711137T2 (de) 2002-10-31

Similar Documents

Publication Publication Date Title
EP0829569B1 (de) Waschtrockner
EP0763618B1 (de) Trommelwaschtrockner
JP4457524B2 (ja) 洗濯乾燥機
EP0796942B1 (de) Wasch- und Trocknermaschine
EP1510612A2 (de) Verfahren zum Steuern eines Trocknungszyklus in einer Waschmaschine
JP2008110135A (ja) 洗濯機
JP2010042118A (ja) 乾燥機および洗濯乾燥機
JPH11114278A (ja) ランドリー機器
JPH0747195A (ja) ドラム式洗濯乾燥機
JP3011636B2 (ja) ドラム式洗濯機
JP3208367B2 (ja) ドラム式洗濯機及び乾燥機
JP2003111998A (ja) 乾燥機
JP3924922B2 (ja) ドラム式洗濯乾燥機
KR100671933B1 (ko) 드럼 세탁기의 건조 제어 방법
JP3346941B2 (ja) 洗濯乾燥機
JPH04250193A (ja) ドラム式温水洗濯乾燥機
JP3349327B2 (ja) ドラム式乾燥機
JP3006072B2 (ja) ドラム式洗濯乾燥機
JP3767980B2 (ja) 衣類乾燥機
JPH10295978A (ja) ドラム式洗濯機
JP2819843B2 (ja) 衣類乾燥機
JPH11169580A (ja) ドラム式洗濯乾燥機
JPH11347298A (ja) ドラム式洗濯乾燥機
JPH10151300A (ja) 衣類乾燥機
JP3768035B2 (ja) 衣類乾燥機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19970908

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AKX Designation fees paid

Free format text: DE GB IT

17Q First examination report despatched

Effective date: 19991130

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE GB IT

REF Corresponds to:

Ref document number: 69711137

Country of ref document: DE

Date of ref document: 20020425

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20021223

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 20070318

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20090902

Year of fee payment: 13

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20100908

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100908

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20140903

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20140915

Year of fee payment: 18

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69711137

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150908

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160401