EP1200664B2 - Vorrichtung zur aufnahme und dosierten abgabe einer aktiven zusammensetzung in eine waschmaschine, einen wäschetrockner oder eine geschirrspülmaschine - Google Patents

Vorrichtung zur aufnahme und dosierten abgabe einer aktiven zusammensetzung in eine waschmaschine, einen wäschetrockner oder eine geschirrspülmaschine Download PDF

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Publication number
EP1200664B2
EP1200664B2 EP00953072A EP00953072A EP1200664B2 EP 1200664 B2 EP1200664 B2 EP 1200664B2 EP 00953072 A EP00953072 A EP 00953072A EP 00953072 A EP00953072 A EP 00953072A EP 1200664 B2 EP1200664 B2 EP 1200664B2
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EP
European Patent Office
Prior art keywords
compartment
dispensing
supply
machine
orifice
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
EP00953072A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1200664A1 (de
EP1200664B1 (de
Inventor
Timothy Rodd
Graham Fuller
Peter T. M. Nott
Richard Harbutt
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.)
Reckitt Benckiser NV
Original Assignee
Reckitt Benckiser NV
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
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Application filed by Reckitt Benckiser NV filed Critical Reckitt Benckiser NV
Publication of EP1200664A1 publication Critical patent/EP1200664A1/de
Application granted granted Critical
Publication of EP1200664B1 publication Critical patent/EP1200664B1/de
Publication of EP1200664B2 publication Critical patent/EP1200664B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
    • 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
    • D06F39/024—Devices for adding soap or other washing agents mounted on the agitator or the rotating drum; Free body dispensers
    • 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 
    • D06F58/203—Laundry conditioning arrangements

Definitions

  • the invention relates to a device for receiving and metering an active composition into a washing machine, a tumble dryer or a dishwasher.
  • US 4,379,515 discloses a detergent dispenser comprising a rigid container and a squeezable reservoir connected by a tube to said rigid container containing said quantity of detergent measured for a wash cycle.
  • the reservoir Under the influence of centrifugal forces that occur during the rotation of the laundry drum, the reservoir - especially if it is between the laundry and the wall of the laundry drum - compressed so that its contents is emptied into the rigid container in which the detergent then is released from the wash.
  • a disadvantage of this metering device is the fact that the reservoir can only be used for one wash cycle and must be replaced for each new wash cycle.
  • EP 0 215 366 describes a detergent container with a melting closure, in which the melt cycle closure melts at a certain working temperature and the cleaning agent is then released.
  • the closure of the container is not reusable, moreover, a multiple dosing by means of this system is not possible.
  • EP 0 328 769 shows a metering store to be introduced loosely into a washing machine with a closure which can be revealed during the washing cycle and which has a handling extension.
  • the handling extension is pressed into the dispensing store in such a way that it allows the detergent to flow out. Multiple dosing is not possible and the dispenser must be refilled before each wash cycle.
  • DE 39 02 356 discloses a dosing storage which can be used for only one washing cycle and which is based on a temperature-dependent release of a laundry treatment liquid. By a resulting in increasing temperature overpressure in the dispenser a slide valve is moved to its open position and allows the exit of the laundry treatment liquid in the washing machine.
  • No. 5,033,643 describes a dispensing store which also only allows dispensing of a dosage unit for a wash cycle. Forces generated by the wet laundry act on the dispensing mechanism of the dispenser.
  • DE 39 34 123 and DE 39 22 342 detergent receiving containers are described, which are fixedly attached to the laundry drum. This attachment is effected by means of pins or latching hooks. A multiple dosing is not provided with these receptacles so that they must be removed after each wash cycle from the washing machine and refilled.
  • US 5,176,297 describes a dosing device for a dishwasher, which is mounted inside the machine and includes a supply and a dispensing chamber. A multiple dosing is possible, but the dosage is complicated controlled by the dishwasher.
  • DE 195 40 608 discloses a device for adding dishwashing machine block-shaped dishwashers which allows multiple dosages, the individual dosages being controlled by a command from the dishwasher, i. a user selected work program of the dishwasher regulates the time of dosing.
  • AU-A-78393/91 discloses a dosing device for a detergent dispensed through an orifice opened by the build-up of internal pressure in the container. This internal pressure is generated either by the work program of the machine or by direct operation by the user.
  • the release of the detergent is generally based on a delayed release, which is e.g. can be triggered by a temperature rise, an increase in pressure or centrifugal forces.
  • the devices which permit multiple dosing have in common that the release is triggered mechanically (valve, piston, slide, etc.) either on the basis of a command of the work program of the machine or by direct operation by the user.
  • the invention has for its object to provide a device for receiving and dosed delivery of an active composition in a washing machine, a tumble dryer or a dishwasher that allows multiple dosing (either in one or more washing, drying or Geschirr Hughesklklen) and regardless of the Commands a work program of the machine or the intervention of the user is triggered.
  • the device according to the invention comprises the features of claim 1.
  • the fluid flow from the fluid reservoir into the expansion device is effected either by compressing the fluid reservoir by direct or indirect action of laundry or drying material, in which case the opening / closing device preferably comprises a slide valve, or in that a pivotally mounted Weight by the rotation of the device with the washing machine or clothes drier drum pressure exerted on the fluid reservoir, in which case the opening / closing device preferably comprises a float valve.
  • the return device preferably comprises a return spring.
  • the device according to the invention comprises the features of claim 7.
  • the device according to the invention comprises the features of claim 9.
  • An alternative of this embodiment of the invention is characterized by a rigid chamber with a material therein, which expands when the temperature increases and contracts on cooling, in particular a wax.
  • the storage chamber is configured to include a wax.
  • the opening means is raised by a responsive to the expansion of the material flexible diaphragm.
  • the device according to the invention is characterized by a bimetallic unit, which bends when the temperature increases and resets on cooling.
  • the storage chamber is designed so that it can be replenished from the outside.
  • Fig. 1 shows a device based on a hydraulic operation. Thereafter, the device comprises a storage chamber 1, a metering chamber 2, and a compressible bladder 3. The device is triggered by washing or drying material acts on the compressible bladder 3, whereby it is compressed. A hydraulic fluid 6 therein (preferably water) is discharged via a one-way valve 4 to a bellows 5. The one-way valve 4 prevents the hydraulic fluid 6 from flowing back into the compressible bladder 3.
  • the bladder 5 moves an opening device 7 (eg, a slide valve) so that first the passage 9 between the storage chamber 1 and the metering chamber 2 is closed, and then the passage for the active composition is opened from the dosing chamber 2 into the machine.
  • an opening device 7 eg, a slide valve
  • a return device 11 for example a spring
  • the opening device 7 is returned to its starting position, the discharge passage 8 being closed from the metering chamber 2 to the machine and the passage 9 being opened again between the metering chamber 2 and the storage chamber 1.
  • the bellows 5 is again pushed together, the hydraulic fluid 6 can, e.g. through a small hole 10, back into the compressible bladder 3, which expands to its original size. Due to the open passage between the storage chamber 1 and the metering chamber 2, these can now be filled again.
  • the provision of the opening means may be arranged to take place only after completion of a machine cycle, i. During a cycle so only one dosage is dispensed into the machine. However, it can also be thought of, e.g. by appropriate dimensioning of the hole 10 and the restoring force of the spring 11, that a provision of the opening device during a cycle is repeated several times to deliver multiple dosing several times during a cycle.
  • a further embodiment of the device according to the invention has a similar structure, but uses a different principle for the operation of the opening / closing device.
  • a pivotally mounted weight 30 presses by its deflection onto a compressible chamber 3 '.
  • a hydraulic fluid 6 ' which is located in this chamber 3', pressed by the one-way valve 4 'in an expansion chamber 5'.
  • the float valve 7' mounted therein rises upwards against the pressure of the restoring spring 11 '.
  • float valve 7 ' In a non-metering state ( Figure 3), float valve 7 'closes the discharge passage 8 between the metering chamber 2 and the engine. When the float valve 7 'rises, it pivots about the valve closing the discharge passage 8 and thus also closes off the passage 9 between the storage chamber 1 and the metering chamber 2. When the float valve 7' continues to rise ( Figure 4), it eventually opens the discharge passage 8, so that an emptying of the metering chamber 2 in the machine is possible. As the washing machine or tumble drum rotates, the float valve 7 'is maintained substantially in this upper position.
  • the expansion chamber 5 ' will slowly deflate through the opening 10' so that the discharge passage 8 is closed again to the machine and the passage 9 between the storage chamber 1 and the dosing chamber 2 is reopened so that the dosing chamber 2 can fill again for the next cycle.
  • the device according to the invention which is shown in Figs. 5 and 6 is based on a dynamic pressure effect and is mainly used in a washing machine.
  • the active composition is dispensed from a filled storage chamber 12 via a one-way valve 14 into a metering chamber 13 located below the storage chamber 12.
  • Under the dosing chamber 13 is a water chamber 15, in which at the beginning of a cycle of operation in the machine located water through a one-way valve 16th flows in and fills them up.
  • the metering chamber 13 is compressed so that its contents can be discharged through a discharge passage 17 into the washing machine.
  • the water from the lower water chamber 15 is slowly drained through small holes 18 and the discharge passage 17 of the metering chamber 13 is closed.
  • the metering chamber 13 may then expand, allowing the one-way valve 14 to reopen, allowing refilling of the metering chamber 13 with active composition from the storage chamber 12.
  • a filled with active composition storage chamber 19 is this via a one-way valve 21 to a lying below this storage chamber 19 dosing chamber 20 from.
  • a lower rigid chamber 22 containing a wax 23.
  • the wax 23 expands and pushes on a flexible diaphragm 24 a punch 25 so that it closes the one-way valve 21, the dosing chamber 20 compressed and its contents via a discharge passage 26th is discharged into the washing machine or the tumble dryer.
  • the wax 23 contracts, and the plunger 25 can return to its original position.
  • the one-way valve 21 opens and allows the metering chamber 20 with active composition to be refilled from the storage chamber 19.
  • the three chambers need not be arranged exclusively one above the other.
  • the metering chamber 20 and the rigid chamber 22 may be e.g. also be arranged side by side. Also, it should not be a problem for those skilled in the art to provide a material other than wax. Important for this material is only that it has a suitable coefficient of expansion at the selected operating temperature of the machine.
  • the means for opening the discharge passage 26 of the metering chamber 20 need not be a punch. It is also conceivable, e.g. a piston which, by being moved by an expanding material, forces the contents of a metering chamber made of a very flexible material towards the discharge passage. For improved release of the active composition from the metering chamber, it is also conceivable that a plurality of means for opening the discharge passage (e.g., two punches from two different positions) are available.
  • a temperature-dependent activation of the device can also take place in that a bimetallic unit is provided which deforms under the influence of temperature and thus directly or indirectly effects the same process as the punch 25 moving over the diaphragm 24 in the device of Figs. 7 and 8, i. compresses the metering chamber 20, opens the discharge passage 26 of the metering chamber 20, and closes before or simultaneously the one-way valve 21 between the storage chamber 19 and the metering chamber 20 to substantially completely discharge the contents of the metering chamber into the machine.
  • the bimetal Upon cooling, the bimetal would also reset again, and thereby open the one-way valve 21 again to allow re-filling the metering chamber 20 with active composition of the storage chamber 19.
  • a two-fold increase in temperature takes place during a dishwashing cycle, namely once during the cleaning cycle and a second time during the wash cycle.
  • the temperature-dependent embodiments of the device according to the invention would in this case be activated twice, i. twice a corresponding substance in the dishwasher release.
  • the rate of delivery of the liquid contained in the metering chamber may be controlled by appropriate means, for example, by sizing the discharge passage 8 ( Figures 1 or 3), 17 ( Figure 6) or 26 ( Figure 8). In this way, for certain applications (such as the delivery of softener in a tumble dryer) a delayed delivery can be realized.
  • means should be provided to inactivate the device without having to remove it from the machine so that the consumer can decide whether to activate the machine with the device according to the invention State or in the non-activated state.
  • any type of locking mechanism can be used which prevents lifting of the opening device 7, preferably by locking the triggering device 6.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Fiber Materials (AREA)
EP00953072A 1999-07-23 2000-07-19 Vorrichtung zur aufnahme und dosierten abgabe einer aktiven zusammensetzung in eine waschmaschine, einen wäschetrockner oder eine geschirrspülmaschine Expired - Lifetime EP1200664B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19934592 1999-07-23
DE19934592A DE19934592C2 (de) 1999-07-23 1999-07-23 Vorrichtung zur Aufnahme und dosierten Abgabe einer aktiven Zusammensetzung in eine Waschmaschine, einen Wäschetrockner oder eine Geschirrspülmaschine
PCT/EP2000/006890 WO2001007704A1 (de) 1999-07-23 2000-07-19 Vorrichtung zur aufnahme und dosierten abgabe einer aktiven zusammensetzung in eine waschmaschine, einen wäschetrockner oder eine geschirrspülmaschine

Publications (3)

Publication Number Publication Date
EP1200664A1 EP1200664A1 (de) 2002-05-02
EP1200664B1 EP1200664B1 (de) 2004-09-29
EP1200664B2 true EP1200664B2 (de) 2007-05-09

Family

ID=7915813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00953072A Expired - Lifetime EP1200664B2 (de) 1999-07-23 2000-07-19 Vorrichtung zur aufnahme und dosierten abgabe einer aktiven zusammensetzung in eine waschmaschine, einen wäschetrockner oder eine geschirrspülmaschine

Country Status (11)

Country Link
US (1) US6571993B2 (pl)
EP (1) EP1200664B2 (pl)
JP (1) JP2003505169A (pl)
AT (1) ATE278062T1 (pl)
AU (1) AU764588B2 (pl)
CA (1) CA2380161C (pl)
DE (2) DE19934592C2 (pl)
ES (1) ES2230137T5 (pl)
PL (1) PL202472B1 (pl)
WO (1) WO2001007704A1 (pl)
ZA (1) ZA200201341B (pl)

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DE3922342A1 (de) * 1989-07-07 1991-01-17 Fischer Artur Werke Gmbh Vorrichtung zur ver- und entriegelung eines auf einen gelochten untergrund treffenden behaelters
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IT243436Y1 (it) * 1997-10-21 2002-03-04 Electrolux Zanussi Elettrodome Distributore di detersivo monodose per lavastovigliee simili
GB0013133D0 (en) * 2000-05-31 2000-07-19 Ibm Volumetric pump

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DE7906198U1 (de) † 1979-03-06 1980-08-21 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Zugabevorrichtung für Betriebsstoffe in Haushaltgeräten
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US5195338A (en) † 1990-08-30 1993-03-23 Zanussi Elettrodomestici S.P.A. Liquid detergent dispensing apparatus for washing machines

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AU6565200A (en) 2001-02-13
ES2230137T3 (es) 2005-05-01
AU764588B2 (en) 2003-08-21
JP2003505169A (ja) 2003-02-12
US20020100773A1 (en) 2002-08-01
PL353731A1 (pl) 2003-12-01
ZA200201341B (en) 2003-05-28
EP1200664A1 (de) 2002-05-02
ATE278062T1 (de) 2004-10-15
ES2230137T5 (es) 2007-11-01
CA2380161C (en) 2007-10-02
DE50008021D1 (de) 2004-11-04
DE19934592A1 (de) 2001-01-25
EP1200664B1 (de) 2004-09-29
DE19934592C2 (de) 2003-10-23
PL202472B1 (pl) 2009-06-30
WO2001007704A1 (de) 2001-02-01
US6571993B2 (en) 2003-06-03
CA2380161A1 (en) 2001-02-01

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