EP2092104B1 - Machine à laver le linge à chargement frontal possédant un distributeur d'agent de lavage dans la porte - Google Patents

Machine à laver le linge à chargement frontal possédant un distributeur d'agent de lavage dans la porte Download PDF

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Publication number
EP2092104B1
EP2092104B1 EP07825344A EP07825344A EP2092104B1 EP 2092104 B1 EP2092104 B1 EP 2092104B1 EP 07825344 A EP07825344 A EP 07825344A EP 07825344 A EP07825344 A EP 07825344A EP 2092104 B1 EP2092104 B1 EP 2092104B1
Authority
EP
European Patent Office
Prior art keywords
washing machine
door
laundry washing
dispenser
closing 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.)
Not-in-force
Application number
EP07825344A
Other languages
German (de)
English (en)
Other versions
EP2092104A1 (fr
Inventor
Fabrizio Petecchia
Giuseppe Camilloni
Luca Cesari
Rodolfo Flumini
Alessandro Menghi
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.)
Whirlpool EMEA SpA
Original Assignee
Indesit Co SpA
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 Indesit Co SpA filed Critical Indesit Co SpA
Priority to PL07825344T priority Critical patent/PL2092104T3/pl
Publication of EP2092104A1 publication Critical patent/EP2092104A1/fr
Application granted granted Critical
Publication of EP2092104B1 publication Critical patent/EP2092104B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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
    • D06F2103/40—Opening or locking status of doors
    • 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
    • D06F39/14—Doors or covers; Securing means therefor

Definitions

  • the present invention relates to a laundry washing machine according to the preamble of claim 1.
  • the invention relates to front-loading laundry washing machines (in particular washing and washing/drying machines) wherein the washing agent dispenser is arranged in the door that closes the load opening.
  • washing agents are typically dispensed by precipitating water into the dispenser through suitable apertures provided in the top portion of the latter.
  • the water flows through the dispenser, thereby carrying with it the washing agents contained therein, and then flows out through an outlet located in the bottom portion of the dispenser, thus reaching the wash tub of the washing machine.
  • the dispenser comprises means (transversal bulkheads or microperforated surfaces) which can hold powder detergent until it must be released into the tub, at which point it is diluted with water precipitated into the dispenser.
  • the ducts are subject to considerable mechanical stress every time the door is opened or closed, and may become obstructed due to limescale or detergent deposits, since the detergent must follow quite a long path. Moreover, if the drawer is not perfectly tight, water may flow out of the housing of the drawer.
  • the present invention is based on the general idea of using movable closing means in order to close the dispenser outlet as the door is opened, thus preventing any liquids from flowing out.
  • the closing means may be provided inside the dispenser, so that they cannot be damaged by bumps or trapped laundry items.
  • these closing means may be external to the dispenser, thus maximizing the washing agent capacity of the latter,
  • the closing means may be operated manually by the user or, more advantageously, they may be operated automatically as the door is opened or closed.
  • a simple but very effective solution employs a sensor adapted to detect when the door is being opened and to drive an electrochemical actuator which actuate the closing means. Such a solution offers the advantage of very fast action.
  • such a sensor may advantageously he replaced with a mechanical button adapted to be set to predetermined positions, corresponding to two predetermined positions of the closing menus.
  • such a button may comprise a pin which can slide within a seat obtained in the door: when the latter is closed, the pin is fully pushed into the seat and operates an actuation mechanism which moves the closing means.
  • the actuation mechanism may be fully mechanical as well, thus comprising a first-degree lever such that the pin, by acting onto one arm of the lever, causes a translation of a rod which receives a thrust from the other arm of the lever.
  • a translation is advantageously used for rotating a cover (which is thus lifted from the apertures) or transtating a slider (which slides and opens the drain apertures of the dispenser).
  • return springs are used which act onto the second arm of the lever, thereby causing the slider or flap to close the drain apertures and the sensor pin to come out of its seat again.
  • Such an actuation system offers the advantage of being fully mechanical and of operating automatically by using the contact between the door and the external structure of the machine.
  • Fig. 1 shows a front-loading laundry washing machine, designated as a whole by reference number 1.
  • the laundry washing machine comprises an external structure 2 which has a front opening 3 through which the laundry to be washed can be placed into a drum 5 housed in a wash tub.
  • the drum rotates about as substantially horizontal axis, it is clear that said axis of rotation may have a different orientation or even be vertical.
  • Load opening 3 is closed by a door 6 hinged to structure 2 through a hinge 22.
  • Door 6 has a flange 61 adapted to abut against a matching abutment surface 21 or the structure, and an inner surface 62 adapted to he inserted into opening 3.
  • the inner surface of the door consists almost totally of a washing agent dispenser 7 which comprises three compartments 74 for different washing agents.
  • Each compartment 74 includes:
  • the door also comprises a button, located at flange 61, which essentially consists of a pin 8 which can slide within a seat 63.
  • a button located at flange 61, which essentially consists of a pin 8 which can slide within a seat 63.
  • the pin is pushed into its seat, thereby actuating closing means which close outlet 73, thus preventing any residual liquid from flowing out of the dispenser.
  • the closing means are arranged between the bottom of compartments 74 and bottom 76 of the dispenser, where there is an area through which the fluids (essentially consisting of a watery solution made up of water and washing agents) just come out of compartments 74 flow before reaching dispenser outlet 73.
  • door 6 has a structure essentially consisting of a cover 64 and a body 65.
  • Cover 64 is mounted to body 65 in a removable manner (through a joint 66), so as to allow access to the devices located within interspace 67 between cover 64 and the body 65 for maintenance purposes.
  • Body 65 is shaped in such a way that the portion not facing cover 64 has a flange 61 and an inner surface 62 as described above.
  • Fig. 2b which is a sectional view of the door along the BB axis, surface 651 has an aperture 63 in which pin 8 can slide.
  • Rod 10 crosses body 65 and enters into dispenser 7, where it abuts against an abutment surface 110 of a lid 11, as clearly shown in Figs. 3 and 4 .
  • Said lid 11 has such a size and shape that, when outlet 73 is closed, it rests onto the walls of dispenser 7, thus becoming a bulkhead which faces outlet 73 and prevents any fluids from flowing through it.
  • tightness may he further improved by installing a gasket between lid 11 and the dispenser walls, thus providing a better sealing or lid 11.
  • Said gasket may be secured to ether lid 11 or dispenser 7.
  • Lid 11 is moved by two arms 12, at the free end 121 of which there are two pins 13 which are inserted into two apertures of two supports 14, so that lid 11 is allowed to rotate about a substantially horizontal axis.
  • supports 14 On the side facing arms 12, supports 14 have a seat adapted to horse a spring 15 which is wound around pin 13 and secured to the pin itself at one end and to support 14 at the other end, thus exerting a return force onto pin 13 for rotating lid 11.
  • supports 14 On the side opposite to the springs, supports 14 have two U-shaped seats 141 which contain and support pin 13 without preventing it from turning.
  • abutment surface 110 is connected to one of arms 12, so that its rotation, caused by the thrust exerted by the rod, generates a rotation of the arm and of the lid about pins 13.
  • this movement lifts lid11, which will thus take a position that will allow any fluids released from compartments 74 to flow toward outlet 73.
  • springs 15 therefore turns lid 11 to the horizontal position, thereby re-closing a dispenser sector above outlet 73 and preventing any fluids from leaking out of it.
  • springs 15 and 16 may be replaced with flat springs or with elastic return means of a different type, e.g. plastic materials having suitable elastic characteristics.
  • the lid may be replaced with other closing means, such as a slider adapted to slide on drain apertures 73.
  • the slider is mechanically connected to an abutment surface which comes in contact with the free head of rod 10 when the latter is pushed into the dispenser by lever 9: the actuation or lever 9 causes the translation of the rod and the resulting thrust of the slider.
  • the slider consists of a curved lid which can slide within guides that follow the dispenser profile.
  • the closing means can be actuated manually by the operator, e.g. through a mechanism which can be operated manually by the operator.
  • a mechanism may consist of a snap button provided on cover 64 of the door and adapted to control the cloning means directly, e.g. by acting directly on rod 10.
  • the button At the beginning of the wash phase, the button will be pressed by the user in order to push rod 10 and open outlet 73, whereas at the end of the wash phase said snap button will be pressed again by the user in order to retract both the button and rod 10, thus re-closing outlet 73.
  • the closing means may be external to the dispenser; for example, one may use a slider which slides along the outer surface of the dispenser in order to take two different position for preventing or allowing any flow of fluids through outlet 73.
  • rod 10 may be replaced with an electromechanical actuator activated by an electric command generated as the door is opened, so that the dispenser outlet will be closed when or immediately before the door is opened.
  • the electric command may be generated automatically by the control unit of the washing machine at the end of the wash, or even he generated by using the PTC of a door locking system of the machine; this implies the presence of an electric connection between the control unit and the actuator.
  • the electric command may he generated by a sensor adapted to detect contact between the door and the external structure of the machine; such a sensor may for example be an infrared one.
  • the power supply of the electromechanical actuator may he provided by a dedicated battery, or else it may advantageously provided by the power supply of the washing machine through a suitable wiring routed inside the door.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (15)

  1. Machine à laver le linge à chargement frontal comprenant :
    - une structure extérieure (2) comportant une ouverture de chargement (3) permettant de placer le linge dans un tambour (5) ;
    - une porte (6) retenue sur ladite structure(2) et adaptée pour fermer ladite ouverture de chargement (3) ;
    - un distributeur d'agent de lavage (7) associé à ladite porte (6) et comportant au moins une ouverture d'admission (71) destinée à l'alimentation en eau et au moins un orifice de sortie (73) par lequel l'eau fournie dans le distributeur (7) peut sortir ;
    caractérisée par le fait de comprendre des moyens de fermeture mobiles (11) adaptés pour empêcher un fluide quelconque de s'écouler par ledit orifice de sortie (73).
  2. Machine à laver le linge selon la revendication 1, dans laquelle les moyens de fermeture sont disposés à l'intérieur du distributeur, ledit distributeur (7) comportant en particulier des compartiments (74) adaptés pour contenir des agents de lavage et pour les libérer lorsque de l'eau est fournie dans lesdits compartiments, lesdits moyens de fermeture (11) étant placés dans une zone dudit distributeur interposée entre le fond desdits compartiments et ledit orifice de sortie (73).
  3. Machine à laver le linge selon la revendication 1, dans laquelle les moyens de fermeture sont extérieurs au distributeur.
  4. Machine à laver le linge selon l'une quelconque des revendications 1 à 3, dans laquelle les moyens de fermeture (11) sont adaptés pour être actionnés manuellement par un utilisateur ou automatiquement par l'intermédiaire d'un déplacement de la porte (6), ladite machine à laver le linge comprenant, de plus, un bouton d'actionnement adapté pour être établi à deux positions prédéterminées correspondant à deux positions prédéterminées desdits moyens de fermeture, l'une pour permettre et l'autre pour empêcher un écoulement quelconque de fluides par ledit orifice de sortie, ledit bouton étant, de préférence, connecté mécaniquement à un mécanisme d'actionnement adapté pour déplacer lesdits moyens de fermeture.
  5. Machine à laver le linge selon la revendication 4, dans laquelle ledit mécanisme d'actionnement comporte une tige (10) adaptée pour opérer une translation entre deux positions en fonction de la position dudit bouton, lesdits moyens de fermeture (11) présentant en particulier une surface de butée (110) adaptée pour intervenir avec ladite tige dans au moins un déplacement en rotation de ladite tige entre les deux dites positions, et ladite tige étant adaptée pour entraîner au moins une rotation de ladite surface de butée (110).
  6. Machine à laver le linge selon la revendication 5, dans laquelle lesdits moyens de fermeture sont constitués d'un couvercle (11) articulé à un support (14) à travers une broche (13), ladite machine à laver le linge comportant, de plus, un ressort à boudin (15) enroulé autour de ladite broche (13) et fixé à ladite broche (13) au niveau d'une extrémité et audit support (14) au niveau de l'autre extrémité, exerçant ainsi une force de rappel adaptée pour faire tourner ledit couvercle (11) à partir d'une position dans laquelle ledit couvercle (11) empêche toute circulation de fluide à travers ledit orifice de sortie (73).
  7. Machine à laver le linge selon la revendication 6, dans laquelle ledit couvercle est raccordé à ladite broche de rotation (13) au moyen d'un bras (12), et dans laquelle, lorsque ledit orifice de sortie (73) du distributeur est fermé, lesdites broches de rotation (13) sont placées à un niveau plus haut qu'un plan de support dudit couvercle (11).
  8. Machine à laver le linge selon l'une quelconque des revendications 4 à 7, dans laquelle ledit bouton est placé sur une surface (61) de ladite porte (6) qui fait face à l'intérieur de ladite machine à laver, ledit bouton comportant en particulier un ergot (8) forcé à coulisser à l'intérieur d'un logement (63) prévu dans une surface (61) de ladite porte et adapté pour venir en butée contre ladite structure extérieure (2) de la machine à laver.
  9. Machine à laver le linge selon la revendication 8 lorsque la revendication 8 dépend de l'une quelconque des revendications 5 à 7, laquelle comporte, de plus, un levier de premier type, un premier bras (b1) dudit levier (9) étant connecté mécaniquement audit ergot (8) et un second bras (b2) dudit levier (9) étant connecté par des moyens mécaniques à ladite tige (10), ladite machine à laver le linge comprenant, de plus, des moyens élastiques (16) adaptés pour s'opposer à un déplacement dudit second bras (b2) dudit levier (9) vers le distributeur (7).
  10. Machine à laver le linge selon l'une quelconque des revendications 4 à 7, dans laquelle ledit bouton est placé sur une surface extérieure de ladite porte (6), ledit bouton étant, de préférence, connecté par des moyens mécaniques à ladite tige (10).
  11. Machine à laver le linge selon la revendication 5, dans lequel lesdits moyens de fermeture comportent une pièce coulissante qui est raccordée de façon mécanique à ladite surface de butée (110), ladite pièce coulissante étant adaptée, en particulier, pour coulisser sur une surface extérieure du distributeur (7).
  12. Machine à laver le linge selon l'une quelconque des revendications 1 à 4, laquelle comprend, de plus, un actionneur électromécanique adapté pour actionner lesdits moyens de fermeture.
  13. Machine à laver le linge selon la revendication 12, dans laquelle ledit actionneur électromécanique est commandé par un signal de commande généré par une unité de commande de ladite machine à laver.
  14. Machine à laver le linge selon la revendication 12, dans laquelle ledit actionneur électromécanique est commandé par un signal de commande généré par le PTC d'un système de verrouillage de porte de la machine, ledit actionneur électromécanique étant, de préférence, commandé par un signal de commande généré par un capteur adapté pour détecter quand ladite porte est ouverte, ledit capteur étant, de préférence, adapté pour détecter un contact entre la structure extérieure (2) de la machine à laver et la porte (6).
  15. Machine à laver le linge selon l'une quelconque des revendications précédentes, laquelle comporte, de plus, une garniture d'étanchéité adaptée pour améliorer l'étanchéité des moyens de fermeture.
EP07825344A 2006-12-07 2007-10-12 Machine à laver le linge à chargement frontal possédant un distributeur d'agent de lavage dans la porte Not-in-force EP2092104B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07825344T PL2092104T3 (pl) 2006-12-07 2007-10-12 Ładowana od przodu pralka z dozownikiem środka do prania w drzwiach

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000872A ITTO20060872A1 (it) 2006-12-07 2006-12-07 Macchina lavabiancheria a carica frontale con dispensatore di agenti di lavaggio nello sportello
PCT/IB2007/003039 WO2008068559A1 (fr) 2006-12-07 2007-10-12 Machine à laver le linge à chargement frontal possédant un distributeur d'agent de lavage dans la porte

Publications (2)

Publication Number Publication Date
EP2092104A1 EP2092104A1 (fr) 2009-08-26
EP2092104B1 true EP2092104B1 (fr) 2010-04-07

Family

ID=39226837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07825344A Not-in-force EP2092104B1 (fr) 2006-12-07 2007-10-12 Machine à laver le linge à chargement frontal possédant un distributeur d'agent de lavage dans la porte

Country Status (6)

Country Link
EP (1) EP2092104B1 (fr)
AT (1) ATE463604T1 (fr)
DE (1) DE602007005837D1 (fr)
IT (1) ITTO20060872A1 (fr)
PL (1) PL2092104T3 (fr)
WO (1) WO2008068559A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11236459B2 (en) 2019-07-12 2022-02-01 Whirlpool Corporation Laundry treating appliance having a treating chemistry dispenser

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9115461B2 (en) 2011-12-21 2015-08-25 Whirlpool Corporation Door wash aid dispenser for a laundry treating appliance
US9469931B2 (en) 2011-12-21 2016-10-18 Whirlpool Corporation Laundry treating appliance door with planar window element and baffle for controlling laundry movement
ITTO20121072A1 (it) * 2012-12-13 2014-06-14 Indesit Co Spa Macchina lavabiancheria a carica frontale di uso domestico, in particolare lavatrice o lavasciuga
US10253443B2 (en) * 2016-04-25 2019-04-09 Whirlpool Corporation Laundry treating appliance with closure mounted dispenser
CN109252337B (zh) * 2017-07-14 2021-06-04 重庆海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN111893713B (zh) * 2020-07-17 2022-03-15 珠海格力电器股份有限公司 洗涤剂存放组件和洗衣机
DE102021123053A1 (de) 2021-09-07 2023-03-09 Miele & Cie. Kg Waschmaschine und Verfahren zum Betrieb einer Waschmaschine

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Publication number Priority date Publication date Assignee Title
IT1256272B (it) * 1991-10-22 1995-11-29 Zanussi Elettrodomestici Lavabiancheria con contenitore detersivo ricavato nell'oblo'
ES2226550B1 (es) * 2002-12-18 2006-06-01 Incaelec, S.L. Puerta de carga de lavadora portadora de la cubeta receptora de los productos de lavado.
KR20060023016A (ko) * 2004-09-08 2006-03-13 엘지전자 주식회사 세탁기

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11236459B2 (en) 2019-07-12 2022-02-01 Whirlpool Corporation Laundry treating appliance having a treating chemistry dispenser
US11578452B2 (en) 2019-07-12 2023-02-14 Whirlpool Corporation Laundry treating appliance having a treating chemistry dispenser

Also Published As

Publication number Publication date
DE602007005837D1 (de) 2010-05-20
EP2092104A1 (fr) 2009-08-26
ATE463604T1 (de) 2010-04-15
ITTO20060872A1 (it) 2008-06-08
PL2092104T3 (pl) 2010-09-30
WO2008068559A1 (fr) 2008-06-12

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