EP0379950B1 - Washing machine or dryer with a dosing device - Google Patents

Washing machine or dryer with a dosing device Download PDF

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Publication number
EP0379950B1
EP0379950B1 EP19900100872 EP90100872A EP0379950B1 EP 0379950 B1 EP0379950 B1 EP 0379950B1 EP 19900100872 EP19900100872 EP 19900100872 EP 90100872 A EP90100872 A EP 90100872A EP 0379950 B1 EP0379950 B1 EP 0379950B1
Authority
EP
European Patent Office
Prior art keywords
detergent
program
means
storage container
washing machine
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
EP19900100872
Other languages
German (de)
French (fr)
Other versions
EP0379950A1 (en
Inventor
Rudolf Domke
Hans Fey
Benedikt Fechtel
Dieter Husemann
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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
Priority to DE3901686 priority Critical
Priority to DE3901686A priority patent/DE3901686A1/en
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP0379950A1 publication Critical patent/EP0379950A1/en
Application granted granted Critical
Publication of EP0379950B1 publication Critical patent/EP0379950B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02Devices for adding soap or other washing agents
    • D06F39/022Devices for adding soap or other washing agents in a liquid state

Description

  • The invention relates to a washing machine or a washer-dryer with devices for the program-based addition of liquid and / or powdered laundry treatment agents into the tub, an operating panel, a detergent dispenser box arranged in the panel area of the machine and with a storage container for liquid laundry treatment agents arranged elsewhere on the machine.
  • The specified metering device is intended to enable the automatic addition of liquid laundry treatment agents during the washing cycle.
  • To meet these requirements, it is already known to equip a laundry treatment machine with a storage container and a metering pump for the addition of laundry treatment agents.
  • From DE-U 70 22 325, for example, a dosing device for fabric softener is known, whereby the amount of fabric softener required for the rinse cycle is automatically dosed into the tub or into the detergent dispensing chamber.
    Furthermore, a washing machine is known from DE-OS 34 47 303, in which a reservoir for liquid medium can be filled via a filler neck in the dispenser case. The liquid medium is pumped directly from the storage container into the tub.
  • In the known metering devices, the storage container is only provided for one type of laundry treatment agent - e.g. B. only for fabric softener or liquid detergent. The user of the device cannot individually determine which laundry treatment agents he wants to feed the washing process automatically.
  • The object of the invention is therefore to design a washing machine or a washer-dryer with a device for adding liquid laundry treatment agents in such a way that the user can store different laundry treatment agents in the storage container as required and that the respectively required dosage amount of the agent added is automatically correct Point of the washing program is dosed directly into the tub.
  • This object is achieved by the features of claim 1. Advantageous refinements and developments of the invention result from the following claims.
  • The advantages that can be achieved with the invention are in particular that, depending on the needs or washing habits of the user, liquid laundry treatment agents such as liquid detergents, softening agents and liquid chlorine bleach can be metered into the pre-wash and / or main wash cycle or fabric softener into the last rinse cycle.
    When adding liquid detergent, the corresponding amount of detergent in the two-lye program is automatically professionally divided into 1/4 for the prewash and 3/4 for the main wash and fed to the tub. By actuating an adjusting device in the area of the storage container, the user determines which laundry treatment agent is stored in the storage container and thereby gives the program control a signal when the treatment agent must be added according to the program.
    The dosing amount can be preselected by the user and is saved for the following wash cycles, so that the dosing amount does not have to be determined again before each further wash cycle with the same laundry treatment agent.
    In an advantageous development of the invention, an automatic dosing system is provided, which calculates the value of the dosing quantity as a function of the quantity of water that has flowed in at the beginning of the first washing cycle. This makes it possible to adjust the dosage for different types of fabrics and laundry.
  • An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it:
    • 1 is a laundry treatment machine with a schematically illustrated storage container (3),
    • Fig. 2 is a schematic representation of the laundry treatment machine
    • 3 the display device (11) of the control panel (1),
    • Fig. 4 shows the storage container (3) with filler neck (21) in a side view in section.
  • In Fig. 1, the control panel of a laundry treatment machine is designated 1.
    A detergent dispenser drawer (2) is provided in the area of the control panel (1) for the manual addition of laundry treatment agents. The storage container (3) for Liquid laundry treatment agent is removably arranged in the lower area of the machine behind an assembly flap. The reservoir (3) can, for. B. in guide grooves (4) can be inserted in the housing. An adjustment device (5) is provided in the area of the storage container (3), on which the user must specify which type of laundry treatment agent has been filled into the storage container (3). The adjusting device (5) can, for. B. be designed as a slide-in lock for the reservoir (3). The storage container (3) preferably has guide grooves (6, 7) which run obliquely with respect to the insertion direction of the container and in which the adjustment lever of the adjustment device (5), which is designed as an insertion lock, is guided. If the storage container (3) is to be inserted into the housing of the machine, the adjusting lever must first be placed in the direction of a guide groove (6 or 7) so that the storage container (3) can be inserted into the housing. The guide grooves (6, 7) are provided with symbols (8, 9) for different laundry treatment agents. Depending on the type of laundry treatment agent that has been filled into the storage container (3), the adjusting lever must be brought into the corresponding angular position to the direction of insertion. In terms of circuitry, the adjustment device (5) is connected to the program control device (10) of the machine. Depending on the angular position of the adjustment lever, the liquid laundry treatment agent is automatically added according to the program. Has z. B. Filled with fabric softener in the storage container (3), the adjusting lever of the adjusting device (5) must point in the direction of the position of the symbol (9). Depending on the angular position of the adjustment lever, the softener is dosed automatically in the last rinse. If liquid detergent has been poured into the storage container (3), the user flips the adjusting lever in the direction of the position of the symbol (8) so that the program control device (10) is signaled that the agent must be added to the pre-wash or main wash cycle. The dosing quantity is automatically divided professionally into 1/4 for the pre-wash and 3/4 for the main wash. If a wash program without prewash has been selected, the entire dosage is added to the main wash cycle alone. Additional settings for further laundry treatment agents can be provided in the area of the storage container (3).
    The adjustment device (5), designed as a slide-in lock, forces the user, after filling the storage container (3), to signal to the program controller (10) which type of laundry treatment agent has been filled into the container. Incorrect dosing due to incorrect user information when selecting a program is therefore excluded.
    Within the display device (11) of the control panel (1) of the machine, the center display (12, 13) shows which laundry treatment agent has been filled into the container. For the display of the type of laundry treatment agent, for. B. each symbol of the display device (11) can be assigned an LED which lights up as a continuous light when the device for the automatic addition of the liquid laundry treatment agent is selected via the switching device (14).
    Depending on the number of setting options in the area of the storage container (3) for different laundry treatment agents, symbols and LEDs for the central display (12, 13) are present in the display device (11). A liquid level measuring device (15) is provided for the storage container (3). The value of the liquid level can be displayed on the display (11) of the control panel (1). However, it would also be possible to signal a residual level or an empty storage container (3) by blinking an LED.
    The device for the automatic addition of the liquid laundry treatment agent can be selected via a switching device (14). The center display (12, 13) then lights up as a steady light.
    The corresponding metered quantity can also be displayed within the display device (11). For this purpose, it is possible to assign different numerical values for the dosing quantities to LEDs that light up according to the set dosing quantity or to have the exact numerical value shown on a display. If a residual level is reached during the removal of the laundry treatment agent, the middle display (12 or 13) or a residual level display (16) flashes to draw the user's attention to the need to refill the storage container (3). The preselection of the dosing quantity takes place via input keys (17) within the display device (11). With the "+" key and the "-" key, the volume is selected for the laundry treatment agent according to the manufacturer's instructions and stored in a memory of the program control device (10) for the subsequent wash cycles. The stored value can also be changed using the input keys (17). If a wash cycle with automatic dosing has been selected, the LEDs of the medium and quantity display (12 or 13 and 18) light up continuously when the program starts. The stored dosage and the type of laundry treatment agent stored in the storage container (3) are displayed. For a change to another laundry treatment agent - e.g. B. from fabric softener to liquid detergent - the cleaning of the storage container (3) is required and a cleaning program step for the feed line (19) of the metering device is provided. For this purpose, the supply line (19) for the laundry treatment agent from the storage container (3) be solved. The storage container (3) should be cleaned and filled with water, reconnected to the supply line (19) and pushed into the housing. The supply line (19) for the laundry treatment agent is still filled with the previous laundry treatment agent from the storage container (3) to the washing point (20) in the tub. This residual amount can be removed from the storage container (3) by rinsing with the water. Flushing the supply line (19) is initiated by simultaneously pressing the "+" and "-" (17) buttons. Water is pumped through the supply line (19) in accordance with the dosing quantity indicated. The maximum dosing quantity can expediently be selected before rinsing. After flushing the supply line (19), the water can be removed from the storage container (3) and the new laundry treatment agent can be filled in.
  • After changing the laundry treatment agent, the supply line (19) from the storage container (3) via the central pump (21) to the washing point (20) in the tub is not yet filled with laundry treatment agent. The feed line (19) can also be primed by simultaneously pressing the "+" and "-" (17) buttons. The metering quantity indicator (18) flashes during the pumping process.
  • For easier handling when filling the storage container (3), the container can be provided with a filler neck (22). The filler neck (22) is mounted so that it can be inserted in an extension (23) of the storage container (3). In the position inserted in the extension (23), the filler neck (22) closes the storage container (3). In the extended position, it offers a large opening for easy filling of the storage container (3). By the Pulling out the filler neck (22) from the extension (23), the filler neck (22) is automatically opened and enlarged.
    So that the laundry treatment agent does not reach the filling nozzle (22) when it is filled into the storage container (3), there is an optical "full display" (24) on the storage container (3).
    In order to be able to push the container back into the housing after filling, the adjusting lever of the adjusting device (5) must be brought back into the correct angular position in relation to the direction of insertion so that the program control device (10) is signaled which type of laundry treatment agent has been filled .
    In an advantageous development of the invention, the program-based addition of the laundry treatment agent is controlled by an automatic dosing within the program control (10). The metered amount is calculated depending on the amount of water that has flowed in at the beginning of the first wash cycle. Nominal water quantities for the different washing programs and program sections are stored in a table of values as the basis for calculating the dosing quantity. The amount of water that flows in at the beginning of the first wash cycle is recorded and compared with the stored nominal amounts of water in accordance with the program selection. If z. B. less water has flowed in due to a lower loading quantity, the indicated and preselected metering quantity via the display device (11) decreases in the same ratio as the stored nominal water quantity to the inflowing actual water quantity.

Claims (10)

1. Washing machine or washer-drier, having means for the program-controlled addition of liquid and/or powder detergents into the liquor container, an operating panel, a detergent box which is disposed in the panel region of the machine, and a storage container for storing liquid detergents, which is disposed at another location on the machine,
characterised in that
- the storage container (3) is disposed behind a mounting flap of the appliance, so as to be removable therefrom, and is provided so as to accommodate different detergents selectively;
- an adjusting means (5) is disposed in the region of the storage container (3), at which adjusting means the type of detergent introduced into the storage container (3) is settable, and in that the program-controlled addition of the detergent into the liquor container is effected in accordance with the setting;
- an indicating means (11) is disposed inside the operating panel (1), the type of detergent situated in the storage container (3) being displayable in said indicating means.
2. Washing machine or washer-drier according to claim 1,
characterised in that
the adjusting means (5) is connected, by circuitry, to the program controlling means (10) for the program-controlled addition of the detergent, and in that the addition of the detergent into the preliminary and/or main washing operation or into a rinsing operation is effected according to the prerequisite of the user.
3. Washing machine or washer-drier according to claim 2,
characterised in that
the adjusting means (5) is in the form of an insertable barrier for the storage container (3).
4. Washing machine or washer-drier according to one of claims 1 to 3,
characterised in that
the adjusting means (5) is connected, by circuitry, to the indicating means (11) for displaying the detergent situated in the storage container (3).
5. Washing machine or washer-drier according to claim 1,
characterised in that
the dosage amount is preselected through the intermediary of an input mechanism of the operating panel (1), in that each preselected dosage amount is displayable by the indicating means (11), and in that the value of the dosage amount is stored in a storage unit of the program controlling means (10).
6. Washing machine or washer-drier according to claim 5,
characterised in that,
if a washing program with a two-liquor program is selected, the stored dosage amount is automatically divided into the following dosage amounts: 1/4 for the prewashing operation and 3/4 for the main washing operation.
7. Washing machine or washer-drier according to one of claims 1 to 6,
characterised in that
the means for the program-controlled addition of the liquid detergents is actuated through the intermediary of a switching means (14).
8. Washing machine or washer-drier according to claim 1,
characterised in that
the means for the addition of the liquid detergents is cleaned by means of a cleaning program step, which is controlled by the program controlling means (10), when a changeover to another detergent is effected.
9. Washing machine or washer-drier according to claims 1 and 8,
characterised in that,
after a change of detergent, the new detergent in the feed pipe (19) is prepumped up to the point (20) where the feed pipe (19) discharges into the liquor container.
10. Washing machine or washer-drier according to claim 1,
characterised in that
the program-controlled addition of the detergent is controllable by means of an automatic dosing unit inside the program controlling means (10), the dosage amount of detergent being calculated in dependence on the amount of water provided at the beginning of the first washing operation.
EP19900100872 1989-01-21 1990-01-17 Washing machine or dryer with a dosing device Expired - Lifetime EP0379950B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3901686 1989-01-21
DE3901686A DE3901686A1 (en) 1989-01-21 1989-01-21 Washing machine or washing dryer with a dosing device

Publications (2)

Publication Number Publication Date
EP0379950A1 EP0379950A1 (en) 1990-08-01
EP0379950B1 true EP0379950B1 (en) 1992-08-05

Family

ID=6372491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900100872 Expired - Lifetime EP0379950B1 (en) 1989-01-21 1990-01-17 Washing machine or dryer with a dosing device

Country Status (3)

Country Link
EP (1) EP0379950B1 (en)
DE (1) DE3901686A1 (en)
ES (1) ES2034773T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD848692S1 (en) 2017-12-21 2019-05-14 Whirlpool Corporation Bulk dispensing drawer
USD866887S1 (en) 2017-12-21 2019-11-12 Whirlpool Corporation Pedestal
USD874764S1 (en) 2017-12-21 2020-02-04 Whirlpool Corporation User interface
USD877431S1 (en) 2017-12-21 2020-03-03 Whirlpool Corporation User interface

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DE19654090C1 (en) 1996-12-23 1998-03-05 Henkel Ecolab Gmbh & Co Ohg Washing machine detergent feed
DE10055918B4 (en) * 2000-11-10 2012-04-26 BSH Bosch und Siemens Hausgeräte GmbH Water-bearing household machine
DE10062111C1 (en) * 2000-12-13 2002-07-25 Miele & Cie Process for dosing detergent
FR2843598A1 (en) * 2002-08-16 2004-02-20 Denis Kanyi Mensah Linen washing machine with removable reservoir for washing fluid or powder, uses washing agent reservoir that is removed through a door in the front of the washing machine for filling or cleaning
US20070000291A1 (en) * 2005-06-30 2007-01-04 France Paul Amaat Raymond Gera Fabric article treating device and system with user interface
US8931310B2 (en) 2006-05-11 2015-01-13 General Electric Company Bulk dispensing system for washing machine
TR200703765A1 (en) 2007-06-01 2008-11-21 Vestel Beyaz Eşya San. Ve Ti̇c.A. Ş. A washer
DE102007049723B4 (en) 2007-10-16 2014-03-13 Miele & Cie. Kg Method for operating a metering device for a washing machine, metering device and washing machine
US8397328B2 (en) 2008-07-01 2013-03-19 Whirlpool Corporation Apparatus and method for controlling concentration of wash aid in wash liquid
US8388695B2 (en) 2008-07-01 2013-03-05 Whirlpool Corporation Apparatus and method for controlling laundering cycle by sensing wash aid concentration
US8266748B2 (en) 2008-07-01 2012-09-18 Whirlpool Corporation Apparatus and method for controlling bulk dispensing of wash aid by sensing wash aid concentration
IT1390915B1 (en) 2008-07-24 2011-10-19 Indesit Co Spa A washing machine comprising a loading drawer for the washing agents
IT1393756B1 (en) 2008-07-28 2012-05-08 Indesit Co Spa A washing machine provided with long charging tanks
DE102008041439A1 (en) 2008-08-21 2010-02-25 BSH Bosch und Siemens Hausgeräte GmbH Washing machine i.e. front loading washing machine, has storage container arranged in base compartment, comprising chambers and extending between protection elements upto rear region of base compartment
DE102009027878A1 (en) * 2009-07-21 2011-01-27 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting household appliance
DE102009028185A1 (en) * 2009-08-03 2011-02-10 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting household appliance with a bowl
DE102009029443A1 (en) * 2009-09-14 2011-03-24 BSH Bosch und Siemens Hausgeräte GmbH Water-bearing household appliance e.g. washing machine, for washing and drying laundry, has controller determining dosing quantity of agent as function of data for measuring agent when dosing device is controlled by controller
DE102009029442A1 (en) * 2009-09-14 2011-03-24 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting domestic appliance with a metering device and an input device
DE102010028445A1 (en) * 2010-04-30 2011-11-03 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting domestic appliance with a metering device and several metering pumps
EP2540902B1 (en) * 2011-06-30 2020-05-13 Electrolux Home Products Corporation N.V. Laundry washing machine
WO2013032263A2 (en) 2011-08-31 2013-03-07 Lg Electronics Inc. Laundry treating apparatus
ITTO20111118A1 (en) 2011-12-07 2013-06-08 Indesit Co Spa A washing machine front loading of domestic use, in particular washing machine or washer dryer.
CN105002702B (en) * 2012-09-17 2017-08-08 Lg电子株式会社 Laundry machine
EP2740829B2 (en) 2012-12-04 2019-03-06 Miele & Cie. KG Washing machine or dishwasher with a device for introducing liquid washing or rinsing agent
ITTO20121072A1 (en) 2012-12-13 2014-06-14 Indesit Co Spa Machine front loading washing machine for domestic use, in particular washing machine or washer-dryer
CN107780155A (en) * 2016-08-30 2018-03-09 青岛海尔洗衣机有限公司 A kind of put-on method and washing machine of washing of drum type washing machine reagent
DE102017200748A1 (en) 2017-01-18 2018-07-19 BSH Hausgeräte GmbH Laundry care device with a controller
USD865306S1 (en) 2017-12-21 2019-10-29 Whirlpool Corporation Laundry treating appliance door

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD848692S1 (en) 2017-12-21 2019-05-14 Whirlpool Corporation Bulk dispensing drawer
USD866887S1 (en) 2017-12-21 2019-11-12 Whirlpool Corporation Pedestal
USD874764S1 (en) 2017-12-21 2020-02-04 Whirlpool Corporation User interface
USD877431S1 (en) 2017-12-21 2020-03-03 Whirlpool Corporation User interface

Also Published As

Publication number Publication date
DE3901686A1 (en) 1990-07-26
ES2034773T3 (en) 1993-04-01
EP0379950A1 (en) 1990-08-01

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