EP2171148A1 - Automatically controlled washing machine - Google Patents

Automatically controlled washing machine

Info

Publication number
EP2171148A1
EP2171148A1 EP08760383A EP08760383A EP2171148A1 EP 2171148 A1 EP2171148 A1 EP 2171148A1 EP 08760383 A EP08760383 A EP 08760383A EP 08760383 A EP08760383 A EP 08760383A EP 2171148 A1 EP2171148 A1 EP 2171148A1
Authority
EP
European Patent Office
Prior art keywords
transfer line
washing machine
bypass
machine according
chamber
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.)
Granted
Application number
EP08760383A
Other languages
German (de)
French (fr)
Other versions
EP2171148B1 (en
Inventor
Torsten Hasse
Sven JÄNICKE
Frank-Rüdiger LÜDTKE
Ingo Schulze
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2171148A1 publication Critical patent/EP2171148A1/en
Application granted granted Critical
Publication of EP2171148B1 publication Critical patent/EP2171148B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • 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
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements

Definitions

  • the invention relates to an automatically controlled washing machine with a detergent dispensing device arranged in the upper machine room, which contains at least one chamber for a hand-metered addition of a washing powder or washing liquid portion and for each chamber an inflow path for the supply of fresh water, with at least one Machine room arranged storage container for liquid or gel detergent auxiliary, which is associated with a device for automatically dosing the stored washing aid containing a transfer line for the supply of the dose to the tub of the washing machine.
  • Such a washing machine is known from DE 34 03 622 A1.
  • a reservoir for liquid detergents in the Waschstoffein argues behind the notorious chambers for keeping a hand-dose amount of detergent is arranged.
  • the transfer line from the metering opens directly into the same way to the tub as the offset with hand-dosed auxiliary detergents fresh water.
  • the detergent drawer housing it and the chambers requires movement from and back into the cavity of the housing of the detergent dispensing device.
  • the automatically metered amount of detergent is kept in an intermediate container until it is acted upon by its own Frischwasserweg with fresh water and fed through a siphon of the transfer line.
  • this metered detergent can be supplied by hand dosed detergent in a known manner from the housed in the upper engine room Waschscheinargues coupled the laundry treatment process.
  • the known washing machine with a variety of additional facilities is complicated and leaves little room for the reservoir. Therefore, only relatively small quantities can be stored.
  • the transfer line is integrated within a pressure transducer tube of a water level sensor. Since the pressure transducer tube must open very deep in the tub anyway, so that the water level can be safely sensed, thereby the outlet opening of the transfer line is always automatically below the liquor level, so that the always wetted opening is permanently flushed. Deposits of incrusting or gelling auxiliaries are therefore impossible. However, separate lines must be laid within the washing machine, so that the automatically metered amount of washing aid enters the tub. However, if the washing machine is not used for a long time, residues of the metered detergent can be deposited and solidified in the long pipe.
  • the invention is therefore based on the object of equipping a washing machine mentioned at the beginning in such a way that the risk of harmful deposits is avoided in the case of automatic dosing of washing auxiliaries, without substantially increasing the expenditure for this. Furthermore, the shortest possible paths for an automatically metered detergent and freedom from maintenance for the storage device while avoiding the above-mentioned disadvantages should also be strived for.
  • this object is achieved by the features of the characterizing part of claim 1 in that at least one of the inlet paths contains a bypass whose inlet side is fluidically connected to the inlet path and whose outlet side is connected to the transfer line.
  • the bypass on the output side is coupled in close proximity to the reservoir to the transfer line. In this way, the cleaning of the entire length of the transfer line is given.
  • the storage container is placed in a receiving space within the detergent dispenser. Then the space behind the drawer equipped with chambers for manual dosing can be used meaningfully. It is large enough to hold a sufficient amount of washing aid for up to twenty washes.
  • the metering device, z. B. a metering pump can be arranged in the reservoir itself. The pressure side of the metering device is firmly connected to the transfer line to a chamber of the drawer or with the direct route to the tub.
  • the transfer line is part of the Waschstoffein réelleein- direction and the reservoir by means of a coupling with the transfer line connectable.
  • This measure decisively reduces the additional expenditure for the rinsing measures of the transfer line.
  • the bypass is also part of the Waschstoffein réelleeinrich- device.
  • the bypass and / or the transfer line can be formed as a cavity line in the ceiling region of a housing for the Waschstoffein Kunststoff adopted and possibly the bypass in the ceiling region of the housing to be connected directly to the transfer line.
  • FIG. 1 shows a washing machine in a view from above with a detergent dispensing and storage device equipped according to the invention
  • FIG. 2 shows another individual storage device for a washing machine equipped according to the invention with transfer lines and bypass lines for the delivery tion of detergent from a arranged behind the drawer reservoir.
  • the housing 1 of the washing machine surrounds a tub 2, which extends in the housing 1 so far up that for the Waschstoffein réelle responded 3 is only the upper side lent remaining space within the housing 1 is available.
  • the Waschstoffein réelle responded 3 has its own housing box 4, which extends from the front panel 1.1 of the housing 1 to its rear wall 1.2 and in which the drawer 5 is guided freely movable in the pulling direction 6 and in the direction of thrust 7.
  • the drawer 5 has three open-top detergent chambers 8, 9 and 10 for pre-wash (8), main wash (9) and fabric softener (10).
  • the fabric softening chamber 10 still has a siphon 1 1 (shown schematically).
  • the rear ends of the chambers 8 and 9 and the siphon 10 open into a common downcomer 12, which leads the mixtures of washing aid and water, which can be passed from above into the chambers, in a manner not shown to the tub 2.
  • One or more dosing lines 27, 28 can open into this space from storage containers 23, 24 for washing aids (not shown here), which are arranged in the upper space of the washing machine outside the detergent dispensing facility.
  • this solution is advantageous because no further means for the guidance of the detergent additive cans must be provided.
  • FIG. 1 Another solution is shown in FIG. 1.
  • at least one fixed premixing chamber 13 for a dose of a liquid or gel detergent is integrated in the housing 4 of the detergent dispensing device 3.
  • the premixing chamber or chambers 13 are adapted in their shape and size to the respective space still available behind the chambers 8 to 10 of the drawer 5 and remain fixed in the housing 4 in any case, even if the drawer 5 is moved.
  • a dose of up to 500 ml of washing aid can be stored.
  • premixing chamber 13 At the bottom of the premixing chamber 13 has a drain opening 14 with a siphon 15 as the chamber 10 for fabric softener.
  • a corresponding number of suction lifters 15 with drainage openings 14 are provided, all of which open into the same downcomer 12.
  • a solenoid valve assembly 16 may still be arranged for the loading of the chambers 8 to 10 and 13.
  • the detergent dispensing device 3 are in known manner in the ceiling region of the housing 4.
  • the solenoid valve assembly 16 is supplied via a central inlet 17 from a domestic water supply, not shown, with fresh water.
  • the premixing chamber 13 has its own water inlet path.
  • a storage device 22 On the right side of the upper space within the machine housing 1 of the available space there is filled by a storage device 22, the one or - as shown here - can accommodate two reservoirs 23 and 24.
  • Each storage container is associated with a metering device 25, 26, which essentially comprises a pump.
  • the suction side of each pump communicates with the interior of the associated reservoir 23, 24 and the pressure side of each pump with an associated transfer line 27 and 28.
  • These lines 27 and 28 open - here together - in the premixing chamber 13, which is harmless when the second Dosing 26 is addressed only after the intermediate stored in the premixing 13 dose of the washing aid from the first reservoir 23 has already been rinsed. If, on the other hand, two fixed premix chambers are provided, then each of the transfer lines 27 and 28 can open into one of the premix chambers.
  • bypass 29 and bypass 30 From the valve block 16 still lead two lines, bypass 29 and bypass 30, to the pressure sides of the metering devices 25 and 26. There they are coupled with their output sides 29.2 and 30.2 to the transfer lines 27 and 28.
  • the bypasses have on the input side in the valve block 16 each connection to a supply path for the premixing chamber 13 or for one of the chambers 8 to 10, so that the bypass in question always leads fresh water when the associated chamber 8 or 9 or 10 or 13 is acted upon , The fresh water in the respective bypass 29 or 30 then flushes the associated transfer line 27 or 28 of any washing aid residues free.
  • FIG. 2 shows another variant of the storage, metering and feeding of automatic doses of washing auxiliaries.
  • a receiving device 31 for a storage container 32 is provided, which can be a transportable and marketable storage container and can be distributed by a detergent manufacturer.
  • a metering device 33 is arranged, on the suction side of a Coupling part for the reservoir 32 used is connected (not shown here).
  • the metering device 33 is connected to the transfer line 34, through which the metered detergent and the rinse liquid is fed directly through the downcomer 12 to the tub 2.
  • the bypass 35 with its input side 35.1 connects the inlet 18.1 on the outlet side (35.2) with the transfer line 34, so that when the water supply in the inlet 18.1, the transfer line 34 is flushed of detergent residues.
  • the supply lines 18.x and the bypass 35 are part of a cover part of the housing 4, not shown in detail, of the detergent dispensing device 3.
  • the supply lines 18.1 and 18.2, which each carry water, are connected to the solenoid valves not shown in detail in the valve block 16 when the chamber 9 or 8 is to be rinsed. If the supply line 18.1 alone carries water, then the line 18.3 of this water begins according to the arrow 20 and forwards it into the chamber 9. Accordingly, the line 18.4 begins the water according to the arrow 19 from the supply line 18.2 and passes it to the chamber 8 on. If both feed lines 18.1 and 18.2 carry water, then a resulting jet forms in the free air gap corresponding to the arrow 21, which is collected by the line 18.5 and forwarded to the chamber 10.
  • each flushing of the chamber 9 is thus applied via the bypass 35, the transfer line 34 with rinse water.
  • This is harmless if no washing aid has been metered from the reservoir 32, but only a hand dose of detergent from the chamber 9 has been transferred to the tub 2.
  • the dosing device 33 will carry a portion of liquid washing aid from the reservoir 32 into the downcomer 12. So that at the same time enough water is available for dilution of the auxiliary washing agent portion, the inflow path via the line 18.1 is also activated, feed water is supplied to the lye container 2 via the chamber 9 and the transfer line 34 is purged via the bypass 35.
  • the construction of the metering devices 25, 26 and 33 is not shown in detail. It can either be formed according to the prior art from DE 34 03 622 A1 or in another way with delivery devices (solenoid valve, pump, shutter) for the washing agent supply from the reservoir 23, 24 and 32 either pressureless or pressurized.

Abstract

An automatically controlled washing machine having a detergent dispensing facility in an upper machine space of the washing machine, wherein the detergent dispensing facility has at least one chamber for hand-dosed addition of a portion of a powder detergent or a liquid detergent and a supply channel that supplies fresh water to the at least one chamber. At least one storage container in the upper machine space stores a liquid or gel-type detergent aid, which is automatically dosed by an automatic dosing facility assigned to the at least one storage container. The automatic dosing facility has a transfer line to supply a dose of the liquid or gel-type detergent aid to the washing machine tub. The supply channel has a bypass with an inlet side that is fluidly connected to the supply channel and an outlet side that is fluidly connected to the transfer line.

Description

Automatisch gesteuerte Waschmaschine Automatically controlled washing machine
[0001] Die Erfindung betrifft eine automatisch gesteuerte Waschmaschine mit einer im oberen Maschinenraum angeordneten Waschmitteleinspüleinrichtung, die mindestens eine Kam- mer für eine handdosierte Zugabe einer Waschpulver- oder Waschflüssigkeitsportion und für jede Kammer einen Zulaufweg für die Zuführung von Frischwasser enthält, mit mindestens einem im Maschinenraum angeordneten Vorratsbehälter für flüssige oder gelförmige Waschhilfsmittel, dem eine Einrichtung zum automatischen Dosieren des bevorrateten Waschhilfsmittels zugeordnet ist, die eine Überführungsleitung für die Zuführung der Dosis zum Laugenbehäl- ter der Waschmaschine enthält.[0001] The invention relates to an automatically controlled washing machine with a detergent dispensing device arranged in the upper machine room, which contains at least one chamber for a hand-metered addition of a washing powder or washing liquid portion and for each chamber an inflow path for the supply of fresh water, with at least one Machine room arranged storage container for liquid or gel detergent auxiliary, which is associated with a device for automatically dosing the stored washing aid containing a transfer line for the supply of the dose to the tub of the washing machine.
[0002] Eine solche Waschmaschine ist aus der DE 34 03 622 A1 bekannt. Darin ist ein Vorratsbehälter für flüssige Waschhilfsmittel in der Waschmitteleinspüleinrichtung hinter den notorischen Kammern zum Bereithalten einer handdosierten Menge von Waschhilfsmittel angeordnet. Die Überführungsleitung aus der Dosiereinrichtung mündet unmittelbar in denselben Weg zum Laugenbehälter wie die mit handdosierten Waschhilfsmitteln versetzte Frischwasserzufuhr. Zur ordnungsgemäßen Funktion der Dosiereinrichtung benötigt die sie und die Kammern beherbergende Waschmittel-Schublade aber eine Bewegung aus der Höhle des Gehäuses der Waschmitteleinspüleinrichtung und wieder in diese hinein. Dadurch wird in einem Zwischenbehälter die automatisch dosierte Menge an Waschhilfsmittel vorgehalten, bis sie durch einen eigenen Frischwasserweg mit Frischwasser beaufschlagt und über einen Saugheber der Überführungsleitung zugeführt wird.Such a washing machine is known from DE 34 03 622 A1. Therein, a reservoir for liquid detergents in the Waschmitteleinspüleinrichtung behind the notorious chambers for keeping a hand-dose amount of detergent is arranged. The transfer line from the metering opens directly into the same way to the tub as the offset with hand-dosed auxiliary detergents fresh water. However, for proper functioning of the metering device, the detergent drawer housing it and the chambers requires movement from and back into the cavity of the housing of the detergent dispensing device. As a result, the automatically metered amount of detergent is kept in an intermediate container until it is acted upon by its own Frischwasserweg with fresh water and fed through a siphon of the transfer line.
[0003] Unabhängig zu diesem dosierbaren Waschhilfsmittel kann von Hand dosiertes Waschmittel in bekannter Weise aus der im oberen Maschinenraum untergebrachten Waschmitteleinspüleinrichtung dem Wäschebehandlungsprozess zugeführt werden. Dadurch ist die bekannte Waschmaschine mit einer Vielzahl von zusätzlichen Einrichtungen kompliziert aufgebaut und lässt nur wenig Raum für den Vorratsbehälter. Daher können nur verhältnismäßig geringe Mengen bevorratet werden.Regardless of this metered detergent can be supplied by hand dosed detergent in a known manner from the housed in the upper engine room Waschmitteleinspüleinrichtung the laundry treatment process. As a result, the known washing machine with a variety of additional facilities is complicated and leaves little room for the reservoir. Therefore, only relatively small quantities can be stored.
[0004] Soll allerdings die automatisch dosierte Menge an Waschhilfsmittel ohne zwischenzeitliche Bereithaltung sofort dem Laugenbehälter zugeführt werden, dann kann gemäß DE 39 33 007 A1 ein gesondert auf genügend hohen Füllstand gehaltener Frischwasservor- ratsbehälter zum Freispülen der Überführungsleitung vorgesehen sein, weil andernfalls die Ü- berführungsleitung verkrusten oder durch Gelieren von Waschmittelresten sich allmählich zusetzen würde. Bei der bekanten Vorrichtung münden die mit einer Dosiereinrichtung versehe- nen Ablaufleitungen der Vorratseinrichtung in eine Vormischkammer, aus der das Gemisch aus Frischwasser und Waschmitteldosis zum Laugenbehälters transportiert wird.[0004] If, however, the automatically metered amount of washing assistant is immediately supplied to the suds container without intermediate provision, then, according to DE 39 33 007 A1, a fresh water reserve container held separately at a sufficiently high level can be provided for flushing the transfer line, because otherwise the crust or gradually gelled by gelling detergent residues. In the known device, the devices provided with a metering device NEN drain lines of the storage device in a premixing chamber from which the mixture of fresh water and detergent dose is transported to the tub.
[0005] In eine weiteren bekannten Waschmaschine (DE 40 14 359 A1 ) ist die Überführungsleitung innerhalb eines Druckgeberrohres eines Wasserstandgebers integriert. Da das Druckgeberrohr ohnehin sehr tief im Laugenbehälter münden muss, damit der Wasserstand sicher sensiert werden kann, befindet sich dadurch die Auslauföffnung der Überführungsleitung automatisch immer unterhalb des Laugenniveaus, so dass die stets benetzte Öffnung dauerhaft frei gespült wird. Ablagerungen von verkrustendem oder gelierendem Waschhilfsmittel sind daher unmöglich. Allerdings sind dazu innerhalb der Waschmaschine gesonderte Leitungen zu verlegen, damit die automatisch dosierte Waschhilfsmittelmenge in den Laugenbehälter gelangt. Bei längerer Nichtbenutzung der Waschmaschine können sich aber Reste des dosierten Waschhilfsmittels in der langen Leitung ablagern und verfestigen.In another known washing machine (DE 40 14 359 A1), the transfer line is integrated within a pressure transducer tube of a water level sensor. Since the pressure transducer tube must open very deep in the tub anyway, so that the water level can be safely sensed, thereby the outlet opening of the transfer line is always automatically below the liquor level, so that the always wetted opening is permanently flushed. Deposits of incrusting or gelling auxiliaries are therefore impossible. However, separate lines must be laid within the washing machine, so that the automatically metered amount of washing aid enters the tub. However, if the washing machine is not used for a long time, residues of the metered detergent can be deposited and solidified in the long pipe.
[0006] Solche Bevorratungen von Waschmitteln oder deren Komponenten und deren automatische Bemessung und Zuführung bedeuten für den Kunden eine erhebliche Arbeitserleich- terung hinsichtlich des Nachschubs von Waschhilfsmitteln. Alle bekannten Waschmaschinen sind aber mit dem gemeinsamen Nachteil behaftet, dass sich dosierte Waschmittelreste irgendwo auf dem Weg zum Laugenbehälter absetzen können und nach Verfestigung zu Funktionsstörungen führen. Eine häufige Reinigung dieser Teile ist dann zwar unumgänglich aber schwer durchzuführen. Bei einer der bekannten Waschmaschinen (DE 39 33 007 A1 ) ist dieses Problem zwar gelöst; jedoch sind dazu so viele zusätzliche Maßnahmen getroffen, dass der dadurch bedingte Zusatzaufwand die Maschine in nicht hinnehmbarem Umfange verteuert.[0006] Such inventories of detergents or their components and their automatic dimensioning and feeding mean that the customer has a considerable amount of work to do with regard to the replenishment of washing auxiliaries. However, all known washing machines are associated with the common disadvantage that metered detergent residues can settle somewhere on the way to the tub and lead to solidification to malfunction. A frequent cleaning of these parts is then inevitable but difficult to perform. In one of the known washing machines (DE 39 33 007 A1), this problem is indeed solved; However, so many additional measures are taken that the resulting additional cost the machine in unacceptable extent more expensive.
[0007] Der Erfindung liegt daher die Aufgabe zugrunde, eine eingangs genannte Waschmaschine so auszustatten, dass bei automatischer Dosierung von Waschhilfsmitteln die Gefahr von schädlichen Ablagerungen vermieden wird, ohne den Aufwand dafür wesentlich zu stei- gern. Weiterhin sind auch möglichst kurze Wege für ein automatisch dosiertes Waschhilfsmittel und Wartungsfreiheit für die Vorratseinrichtung bei Vermeidung von oben angesprochenen Nachteilen anzustreben.The invention is therefore based on the object of equipping a washing machine mentioned at the beginning in such a way that the risk of harmful deposits is avoided in the case of automatic dosing of washing auxiliaries, without substantially increasing the expenditure for this. Furthermore, the shortest possible paths for an automatically metered detergent and freedom from maintenance for the storage device while avoiding the above-mentioned disadvantages should also be strived for.
[0008] Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Kennzeichens im Anspruch 1 dadurch gelöst, dass mindestens einer der Zulaufwege einen Bypass enthält, des- sen Eingangsseite mit dem Zulaufweg und dessen Austrittsseite mit der Überführungsleitung fluidisch verbunden ist. Dadurch Wird die Überführungsleitung bei jedem Frischwasserstoß im Zulaufweg mit sauberem Frischwasser durchströmt und gereinigt. Jegliche Menge von dosiertem flüssigen oder gelartigen Waschhilfsmittel wird aus der Überführungsleitung restlos ausge- spült, so dass die Forderungen der Aufgabenstellung erfüllt werden können. Gleichzeitig wird der Kunde auf diese Weise von Reinigungsaufgaben im Hinblick auf Waschmittelreste befreit.[0008] According to the invention, this object is achieved by the features of the characterizing part of claim 1 in that at least one of the inlet paths contains a bypass whose inlet side is fluidically connected to the inlet path and whose outlet side is connected to the transfer line. As a result, clean water flows through and cleans the transfer line with every fresh water surge in the inlet path. Any amount of metered liquid or gel detergent is completely removed from the transfer line. flushes so that the requirements of the task can be met. At the same time, the customer is freed in this way of cleaning tasks with regard to detergent residues.
[0009] Dadurch, dass der Bypass eingangsseitig an demjenigen Zulaufweg angeschlossen ist, der dieselbe Kammer mit Zulaufwasser beschickt, wie die Überführungsleitung mit Wasch- hilfsmittel, wird immer nur diejenige Überführungsleitung gereinigt, die gerade durch dosiertes Waschhilfsmittel beaufschlagt worden war.Due to the fact that the bypass is connected on the input side to the inlet path which feeds the same chamber with feed water, such as the transfer line with washing aid, only that transfer line which has just been charged with metered detergent is always cleaned.
[00010] In einer weiteren Fortbildung der Erfindung ist der Bypass ausgangsseitig in enger Nähe zum Vorratsbehälter an die Überführungsleitung angekoppelt. Auf diese Weise ist die Reinigung der gesamten Länge der Überführungsleitung gegeben. [0010] Vorzugsweise ist der Vorratsbehälter in einem Aufnahmeraum innerhalb der Waschmit- teleinspüleinrichtung platziert. Dann kann der Raum hinter der mit Kammern für die Handdosierung bestückten Schublade sinnvoll genutzt werden. Er ist nämlich groß genug, um eine für bis zu zwanzig Wäschen ausreichende Menge von Waschhilfsmittel aufzunehmen. Die Dosiereinrichtung, z. B. eine Dosierpumpe, kann im Vorratsbehälter selbst angeordnet sein. Die Druck- seite der Dosiereinrichtung ist mit der Überführungsleitung zu einer Kammer der Schublade oder mit dem direkten Weg zum Laugenbehälter fest verbunden.In a further development of the invention, the bypass on the output side is coupled in close proximity to the reservoir to the transfer line. In this way, the cleaning of the entire length of the transfer line is given. [0010] Preferably, the storage container is placed in a receiving space within the detergent dispenser. Then the space behind the drawer equipped with chambers for manual dosing can be used meaningfully. It is large enough to hold a sufficient amount of washing aid for up to twenty washes. The metering device, z. B. a metering pump can be arranged in the reservoir itself. The pressure side of the metering device is firmly connected to the transfer line to a chamber of the drawer or with the direct route to the tub.
[0011] Vorteilhafterweise ist die Überführungsleitung Bestandteil der Waschmitteleinspülein- richtung und der Vorratsbehälter mittels einer Kupplung mit der Überführungsleitung verbindbar. Diese Maßnahme vermindert den Zusatzaufwand für die Spülmaßnahmen der Überführungslei- tung ganz entscheidend. Außerdem wäre es im selben Sinne von Vorteil, wenn gemäß einer weiteren Fortbildung der Erfindung auch der Bypass Bestandteil der Waschmitteleinspüleinrich- tung ist. Dazu können der Bypass und/oder die Überführungsleitung als Hohlraumleitung im Deckenbereich eines Gehäuses für die Waschmitteleinspüleinrichtung ausgebildet und ggf. der Bypass im Deckenbereich des Gehäuses unmittelbar mit der Überführungsleitung verbunden sein.Advantageously, the transfer line is part of the Waschmitteleinspülein- direction and the reservoir by means of a coupling with the transfer line connectable. This measure decisively reduces the additional expenditure for the rinsing measures of the transfer line. In addition, it would be advantageous in the same sense if according to a further development of the invention, the bypass is also part of the Waschmitteleinspüleinrich- device. For this purpose, the bypass and / or the transfer line can be formed as a cavity line in the ceiling region of a housing for the Waschmitteleinspüleinrichtung and possibly the bypass in the ceiling region of the housing to be connected directly to the transfer line.
[0012] Die Merkmale der Unteransprüche können in beliebiger Kombination untereinander oder mit den Merkmalen des Hauptanspruches kombiniert werden, ohne die Erfindung zu verlassen.The features of the subclaims can be combined in any combination with each other or with the features of the main claim, without departing from the invention.
[0013] Anhand von in der Zeichnung dargestellten Ausführungsbeispielen ist die Erfindung nachstehend näher erläutert. In der Zeichnung zeigen Fig. 1 eine Waschmaschine in einer Ansicht von oben mit einer erfindungsgemäß ausgestatteten Waschmitteleinspül- und Vorratseinrichtung undOn the basis of embodiments shown in the drawings, the invention is explained in more detail below. 1 shows a washing machine in a view from above with a detergent dispensing and storage device equipped according to the invention and FIG
Fig. 2 eine andere einzelne Vorratseinrichtung für eine erfindungsgemäß ausgestattete Waschmaschine mit Überführungs- und Bypassleitungen für die Do- sierung von Waschhilfsmittel aus einem hinter der Schublade angeordneten Vorratsbehälter.2 shows another individual storage device for a washing machine equipped according to the invention with transfer lines and bypass lines for the delivery tion of detergent from a arranged behind the drawer reservoir.
[0014] Das Gehäuse 1 der Waschmaschine umgibt einen Laugenbehälter 2, der im Gehäuse 1 so weit nach oben reicht, dass für die Waschmitteleinspüleinrichtung 3 nur noch der obere seit- lieh verbleibende Raum innerhalb des Gehäuses 1 zur Verfügung steht. Die Waschmitteleinspüleinrichtung 3 hat einen eigenen Gehäusekasten 4, der von der Frontblende 1.1 des Gehäuses 1 bis zu seiner Rückwand 1.2 reicht und in dem die Schublade 5 in Zugrichtung 6 bzw. in Schubrichtung 7 frei beweglich geführt ist. Die Schublade 5 hat drei oben offene Waschmittelkammern 8, 9 und 10 für Vorwaschmittel (8), Hauptwaschmittel (9) und Weichspülmittel (10). Die Weichspülkammer 10 hat noch einen Saugheber 1 1 (schematisch dargestellt). Die hinteren Enden der Kammern 8 und 9 sowie der Saugheber 10 münden in einen gemeinsamen Ablaufschacht 12, der die Gemische aus Waschhilfsmittel und Wasser, das von oben in die Kammern geleitet werden kann, in nicht dargestellter Weise zum Laugenbehälter 2 führt. In diesen Raum kann eine oder können mehrere Dosierleitungen 27, 28 aus Vorratsbehältern 23, 24 für Wasch- hilfsmittel münden (hier nicht dargestellt), die im oberen Raum der Waschmaschine außerhalb der Waschmitteleinspüleinrichtung angeordnet sind. Für eine solche Anbringung von Vorratsbehältern 23, 24 ist diese Lösung vorteilhaft, weil keine weiteren Einrichtungen für die Führung der Waschhilfsmitteldosen vorgesehen sein müssen.The housing 1 of the washing machine surrounds a tub 2, which extends in the housing 1 so far up that for the Waschmitteleinspüleinrichtung 3 is only the upper side lent remaining space within the housing 1 is available. The Waschmitteleinspüleinrichtung 3 has its own housing box 4, which extends from the front panel 1.1 of the housing 1 to its rear wall 1.2 and in which the drawer 5 is guided freely movable in the pulling direction 6 and in the direction of thrust 7. The drawer 5 has three open-top detergent chambers 8, 9 and 10 for pre-wash (8), main wash (9) and fabric softener (10). The fabric softening chamber 10 still has a siphon 1 1 (shown schematically). The rear ends of the chambers 8 and 9 and the siphon 10 open into a common downcomer 12, which leads the mixtures of washing aid and water, which can be passed from above into the chambers, in a manner not shown to the tub 2. One or more dosing lines 27, 28 can open into this space from storage containers 23, 24 for washing aids (not shown here), which are arranged in the upper space of the washing machine outside the detergent dispensing facility. For such an attachment of storage containers 23, 24, this solution is advantageous because no further means for the guidance of the detergent additive cans must be provided.
[0015] Eine andere Lösung zeigt Fig. 1. Darin ist hinter dem Schacht 12 außerhalb der Schub- lade 5 mindestens eine feststehende Vormischkammer 13 für eine Dosis eines flüssigen oder gelförmigen Waschhilfsmittels im Gehäuse 4 der Waschmitteleinspüleinrichtung 3 integriert. Die Vormischkammer bzw. -kammern 13 sind in ihrer Form und Größe dem jeweiligen hinter den Kammern 8 bis 10 der Schublade 5 noch zur Verfügung stehenden Raum angepasst und bleiben im Gehäuse 4 in jedem Falle ortsfest, auch wenn die Schublade 5 bewegt wird. Bei Unter- bringung einer einzigen Vormischkammer 13 im Gehäuse 4 kann eine Dosis von bis zu 500 ml Waschhilfsmittel bevorratet werden.[0015] Another solution is shown in FIG. 1. Therein, behind the shaft 12, outside the drawer 5, at least one fixed premixing chamber 13 for a dose of a liquid or gel detergent is integrated in the housing 4 of the detergent dispensing device 3. The premixing chamber or chambers 13 are adapted in their shape and size to the respective space still available behind the chambers 8 to 10 of the drawer 5 and remain fixed in the housing 4 in any case, even if the drawer 5 is moved. When accommodating a single premixing chamber 13 in the housing 4, a dose of up to 500 ml of washing aid can be stored.
[0016] Am Boden hat die Vormischkammer 13 eine Ablauföffnung 14 mit einem Saugheber 15 wie die Kammer 10 für Weichspülmittel. Bei der Anordnung mehrerer Vormischkammern 13 sind natürlich entsprechend viele Saugheber 15 mit Ablauföffnungen 14 vorzusehen, die alle in denselben Ablaufschacht 12 münden.At the bottom of the premixing chamber 13 has a drain opening 14 with a siphon 15 as the chamber 10 for fabric softener. In the arrangement of several premixing chambers 13, of course, a corresponding number of suction lifters 15 with drainage openings 14 are provided, all of which open into the same downcomer 12.
[0017] Im rückwärtigen Bereich des Gehäusekastens 4 kann noch eine Magnetventil- Baugruppe 16 für die Beschickung der Kammern 8 bis 10 und 13 angeordnet sein. Für die Beschickung aller Kammern mit Frischwasser aus dem jeweils zugehörigen Magnetventil sind in bekannter Weise im Deckenbereich des Gehäuses 4 der Waschmitteleinspüleinrichtung 3 Füh- rungskanäle 18.x (Fig. 2) und Sprühdüsen angeordnet (nicht dargestellt), so dass immer nur die jeweilige Kammer mit dem zugeordneten Frischwasserstrom beaufschlagt wird, deren Wasserzulaufweg aktiviert ist. Für die Kammer 8 wird daher der nach links unten gerichtete Weg (Pfeil 19), für die Kammer 9 der nach rechts unten gerichtete Weg (Pfeil 20) und für die Kammer 10 der senkrecht nach unten gerichtete, aus den beiden genannten Wegen resultierende Weg (Pfeil 21 ) aktiviert. Die Magnetventil-Baugruppe 16 wird dazu über einen zentralen Zulauf 17 aus einem nicht dargestellten Hauswassernetz mit Frischwasser versorgt. Die Vormischkammer 13 hat einen eigenen Wasserzulaufweg.In the rear region of the housing box 4, a solenoid valve assembly 16 may still be arranged for the loading of the chambers 8 to 10 and 13. For the loading of all chambers with fresh water from the respectively associated solenoid valve, the detergent dispensing device 3 are in known manner in the ceiling region of the housing 4. Channel channels 18.x (Fig. 2) and spray nozzles arranged (not shown), so that always only the respective chamber is acted upon by the associated fresh water flow, the water inlet path is activated. For the chamber 8 is therefore the direction of the left bottom (arrow 19), for the chamber 9 of the right-bottom direction (arrow 20) and for the chamber 10 of the vertically downwardly directed, resulting from the two paths mentioned way ( Arrow 21) activated. The solenoid valve assembly 16 is supplied via a central inlet 17 from a domestic water supply, not shown, with fresh water. The premixing chamber 13 has its own water inlet path.
[0018] Auf der rechten Seite des oberen Bauraums innerhalb des Maschinengehäuses 1 wird der dort vorhandene freie Raum von einer Vorratseinrichtung 22 ausgefüllt, die einen oder - wie hier dargestellt - zwei Vorratsbehälter 23 und 24 beherbergen kann. Jedem Vorratsbehälter ist eine Dosiereinrichtung 25, 26 zugeordnet, die im Wesentlichen eine Pumpe umfasst. Die Saugseite jeder Pumpe kommuniziert mit dem Innenraum des zugeordneten Vorratsbehälters 23, 24 und die Druckseite jeder Pumpe mit einer zugeordneten Überführungsleitung 27 bzw. 28. Diese Leitungen 27 und 28 münden - hier gemeinsam - in die Vormischkammer 13, was unschädlich ist, wenn die zweite Dosiereinrichtung 26 erst angesprochen wird, nachdem die in der Vormischkammer 13 zwischengelagerte Dosis des Waschhilfsmittels aus dem ersten Vorratsbehälter 23 schon ausgespült worden ist. Sind dagegen zwei feststehende Vormischkammern vorgesehen, dann kann jede der Überführungsleitungen 27 und 28 in je einer der Vormischkammern münden.On the right side of the upper space within the machine housing 1 of the available space there is filled by a storage device 22, the one or - as shown here - can accommodate two reservoirs 23 and 24. Each storage container is associated with a metering device 25, 26, which essentially comprises a pump. The suction side of each pump communicates with the interior of the associated reservoir 23, 24 and the pressure side of each pump with an associated transfer line 27 and 28. These lines 27 and 28 open - here together - in the premixing chamber 13, which is harmless when the second Dosing 26 is addressed only after the intermediate stored in the premixing 13 dose of the washing aid from the first reservoir 23 has already been rinsed. If, on the other hand, two fixed premix chambers are provided, then each of the transfer lines 27 and 28 can open into one of the premix chambers.
[0019] Vom Ventilblock 16 führen noch zwei Leitungen, Bypass 29 und Bypass 30, zu den Druckseiten der Dosiereinrichtungen 25 und 26. Dort sind sie mit ihren Ausgangsseiten 29.2 und 30.2 an die Überführungsleitungen 27 und 28 angekoppelt. Die Bypässe haben eingangs- seitig im Ventilblock 16 jeweils Verbindung mit einem Zulaufweg für die Vormischkammer 13 oder für eine der Kammern 8 bis 10, so dass der betreffende Bypass immer dann Frischwasser führt, wenn die zugehörige Kammer 8 oder 9 oder 10 oder 13 beaufschlagt ist. Das Frischwasser im jeweiligen Bypass 29 bzw. 30 spült dann die zugehörige Überführungsleitung 27 bzw. 28 von etwaigen Waschhilfsmittel-Resten frei.From the valve block 16 still lead two lines, bypass 29 and bypass 30, to the pressure sides of the metering devices 25 and 26. There they are coupled with their output sides 29.2 and 30.2 to the transfer lines 27 and 28. The bypasses have on the input side in the valve block 16 each connection to a supply path for the premixing chamber 13 or for one of the chambers 8 to 10, so that the bypass in question always leads fresh water when the associated chamber 8 or 9 or 10 or 13 is acted upon , The fresh water in the respective bypass 29 or 30 then flushes the associated transfer line 27 or 28 of any washing aid residues free.
[0020] Fig. 2 zeigt eine andere Variante der Bevorratung, Dosierung und Zuführung von auto- matischen Dosen von Waschhilfsmitteln. Dazu ist anstelle einer Vormischkammer 13 (Fig. 1 ) und Vorratsbehältern 23 oder 24 in Fig. 1 eine Aufnahmeeinrichtung 31 für einen Vorratsbehälter 32 vorgesehen, der ein transport- und handelsfähiger Vorratsbehälter sein und von einem Waschmittelhersteller vertrieben werden kann. In der Aufnahmeeinrichtung 31 , die einen kastenförmigen Raum bildet, ist eine Dosiervorrichtung 33 angeordnet, an deren Saugseite ein Kupplungsteil für den eingesetzten Vorratsbehälter 32 angeschlossen ist (hier nicht näher dargestellt). Mit der Druckseite ist die Dosiervorrichtung 33 an die Überführungsleitung 34 angeschlossen, durch die das dosierte Waschhilfsmittel sowie die Spülflüssigkeit auf direktem Wege durch den Ablaufschacht 12 dem Laugenbehälter 2 zugeführt wird. Ferner verbindet der Bypass 35 mit seiner Eingangsseite 35.1 den Zulauf 18.1 ausgangsseitig (35.2) mit der Überführungsleitung 34, so dass bei Wasserführung im Zulauf 18.1 die Überführungsleitung 34 von Waschmittelresten freigespült wird.FIG. 2 shows another variant of the storage, metering and feeding of automatic doses of washing auxiliaries. For this purpose, instead of a premixing chamber 13 (FIG. 1) and storage containers 23 or 24 in FIG. 1, a receiving device 31 for a storage container 32 is provided, which can be a transportable and marketable storage container and can be distributed by a detergent manufacturer. In the receiving device 31, which forms a box-shaped space, a metering device 33 is arranged, on the suction side of a Coupling part for the reservoir 32 used is connected (not shown here). With the pressure side, the metering device 33 is connected to the transfer line 34, through which the metered detergent and the rinse liquid is fed directly through the downcomer 12 to the tub 2. Furthermore, the bypass 35 with its input side 35.1 connects the inlet 18.1 on the outlet side (35.2) with the transfer line 34, so that when the water supply in the inlet 18.1, the transfer line 34 is flushed of detergent residues.
[0021] Die Zulaufleitungen 18.x und der Bypass 35 sind Bestandteil eines nicht näher dargestellten Deckenteils des Gehäuses 4 der Waschmitteleinspüleinrichtung 3. An die nicht im Ein- zelnen dargestellten Magnetventile im Ventilblock 16 sind die Zulaufleitungen 18.1 und 18.2 angeschlossen, die jeweils Wasser führen, wenn die Kammer 9 bzw. 8 bespült werden soll. Führt die Zulaufleitung 18.1 allein Wasser, dann fängt gemäß dem Pfeil 20 die Leitung 18.3 dieses Wasser auf und leitet es in die Kammer 9 weiter. Entsprechend fängt die Leitung 18.4 das Wasser entsprechend dem Pfeil 19 aus der Zulaufleitung 18.2 auf und leitet es an die Kammer 8 weiter. Führen beide Zulaufleitungen 18.1 und 18.2 Wasser, dann bildet sich in der freien Luftstrecke ein resultierender Strahl entsprechend dem Pfeil 21 , der von der Leitung 18.5 aufgefangen und an die Kammer 10 weitergeleitet wird.The supply lines 18.x and the bypass 35 are part of a cover part of the housing 4, not shown in detail, of the detergent dispensing device 3. The supply lines 18.1 and 18.2, which each carry water, are connected to the solenoid valves not shown in detail in the valve block 16 when the chamber 9 or 8 is to be rinsed. If the supply line 18.1 alone carries water, then the line 18.3 of this water begins according to the arrow 20 and forwards it into the chamber 9. Accordingly, the line 18.4 begins the water according to the arrow 19 from the supply line 18.2 and passes it to the chamber 8 on. If both feed lines 18.1 and 18.2 carry water, then a resulting jet forms in the free air gap corresponding to the arrow 21, which is collected by the line 18.5 and forwarded to the chamber 10.
[0022] Bei jeder Bespülung der Kammer 9 wird also über den Bypass 35 die Überführungsleitung 34 mit Spülwasser beaufschlagt. Dies ist unschädlich, wenn kein Waschhilfsmittel aus dem Vorratsbehälter 32 dosiert worden ist, sondern nur eine Handdosis Waschmittel aus der Kammer 9 in den Laugenbehälter 2 überführt wurde. Ist jedoch die automatische Dosierung eingeschaltet, dann wird anstelle einer Handdosis aus der Kammer 9 (sie ist voraussetzungsgemäß nicht vorhanden) die Dosiervorrichtung 33 eine Portion von flüssigem Waschhilfsmittel aus dem Vorratsbehälter 32 in den Ablaufschacht 12 führen. Damit gleichzeitig genug Wasser zur Ver- dünnung der Waschhilfsmittelportion zur Verfügung steht, wird auch der Zulaufweg über die Leitung 18.1 aktiviert, Zulaufwasser über die Kammer 9 dem Laugenbehälter 2 zugeführt und über den Bypass 35 die Überführungsleitung 34 freigespült.Each flushing of the chamber 9 is thus applied via the bypass 35, the transfer line 34 with rinse water. This is harmless if no washing aid has been metered from the reservoir 32, but only a hand dose of detergent from the chamber 9 has been transferred to the tub 2. However, if the automatic dosing is switched on, then instead of a manual dose from the chamber 9 (it is not present as a prerequisite) the dosing device 33 will carry a portion of liquid washing aid from the reservoir 32 into the downcomer 12. So that at the same time enough water is available for dilution of the auxiliary washing agent portion, the inflow path via the line 18.1 is also activated, feed water is supplied to the lye container 2 via the chamber 9 and the transfer line 34 is purged via the bypass 35.
[0023] Die Konstruktion der Dosiereinrichtungen 25, 26 bzw. 33 ist nicht näher dargestellt. Sie kann entweder gemäß dem Stand der Technik aus DE 34 03 622 A1 oder in einer anderen Weise mit Fördereinrichtungen (Magnetventil, Pumpe, Verschlussschieber) für den Waschhilfsmittelvorrat aus dem Vorratsbehälter 23, 24 bzw. 32 entweder drucklos oder unter Druckbeaufschlagung ausgebildet sein. The construction of the metering devices 25, 26 and 33 is not shown in detail. It can either be formed according to the prior art from DE 34 03 622 A1 or in another way with delivery devices (solenoid valve, pump, shutter) for the washing agent supply from the reservoir 23, 24 and 32 either pressureless or pressurized.

Claims

Patentansprüche claims
1 . Automatisch gesteuerte Waschmaschine mit einer im oberen Maschinenraum ange- ordneten Waschmitteleinspüleinrichtung (3), die mindestens eine Kammer (8 bis 10) für eine handdosierte Zugabe einer Waschpulver- oder Waschflüssigkeitsportion und für jede Kammer (8 bis 10) einen Zulaufweg (18.1 , 18.2, 18.3, 18.4, 18.5) für die Zuführung von Frischwasser enthält, mit mindestens einem im Maschinenraum angeordneten Vorratsbehälter (23, 24, 32) für flüssige oder gelförmige Waschhilfsmittel, dem eine Einrichtung (25, 26, 33) zum automatischen Dosieren des bevorrateten Waschhilfsmittels zugeordnet ist, die eine Überführungsleitung (27, 28, 34) für die Zuführung der Dosis zum Laugenbehälter (2) der Waschmaschine enthält, dadurch gekennzeichnet, dass mindestens einer der Zulaufwege (18.1 ) einen Bypass (29, 30, 35) enthält, dessen Eingangsseite (35.1 ) mit dem Zulaufweg (18.1 ) und dessen Austrittsseite (29.2, 30.2, 35.2) mit der Überführungsleitung (27, 28, 34) fluidisch verbunden ist.1 . Automatically controlled washing machine with a detergent dispensing device (3) arranged in the upper machine room, the at least one chamber (8 to 10) for a hand-dose addition of a washing powder or washing liquid portion and for each chamber (8 to 10) an inflow path (18.1, 18.2, 18.3, 18.4, 18.5) for the supply of fresh water, with at least one arranged in the machine room reservoir (23, 24, 32) for liquid or gel detergent auxiliary, the means (25, 26, 33) associated with the automatic dosing of the stored detergent is, which contains a transfer line (27, 28, 34) for the supply of the dose to the tub (2) of the washing machine, characterized in that at least one of the inlet paths (18.1) includes a bypass (29, 30, 35) whose input side (35.1) with the inlet path (18.1) and the outlet side (29.2, 30.2, 35.2) to the transfer line (27, 28, 34) fluidically verbun that is.
2. Waschmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass der Bypass (35) eingangsseitig an demjenigen Zulaufweg (18.1 ) angeschlossen ist, der dieselbe Kammer (9) mit Zulaufwasser beschickt, wie die Überführungsleitung (34) mit Waschhilfsmittel.2. Washing machine according to claim 1, characterized in that the bypass (35) on the input side to that inlet path (18.1) is connected, the same chamber (9) charged with feed water, such as the transfer line (34) with washing aid.
3. Waschmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass der Bypass (29, 30,3. Washing machine according to claim 1, characterized in that the bypass (29, 30,
35) ausgangsseitig in enger Nähe zum Vorratsbehälter (23, 24, 32) an die Überführungsleitung (27, 28, 34) angekoppelt ist.35) on the output side in close proximity to the reservoir (23, 24, 32) to the transfer line (27, 28, 34) is coupled.
4. Waschmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass der Vorratsbehälter (32) in einem Aufnahmeraum (31 ) innerhalb der Waschmitteleinspüleinrichtung (3) platziert ist.4. Washing machine according to claim 1, characterized in that the storage container (32) in a receiving space (31) within the Waschmitteleinspüleinrichtung (3) is placed.
5. Waschmaschine nach Anspruch 4, dadurch gekennzeichnet, dass die Überführungsleitung (34) Bestandteil der Waschmitteleinspüleinrichtung (3) und der Vorratsbehälter (32) mittels einer Kupplung mit der Überführungsleitung (34) verbindbar ist. 5. Washing machine according to claim 4, characterized in that the transfer line (34) part of the Waschmitteleinspüleinrichtung (3) and the reservoir (32) by means of a coupling to the transfer line (34) is connectable.
6. Waschmaschine nach Anspruch 1 , 4 oder 5, dadurch gekennzeichnet, dass der Bypass (35) Bestandteil der Waschmitteleinspüleinrichtung (3) ist.6. Washing machine according to claim 1, 4 or 5, characterized in that the bypass (35) is part of the Waschmitteleinspüleinrichtung (3).
7. Waschmaschine nach Anspruch 6, dadurch gekennzeichnet, dass der Bypass (35) als Hohlraumleitung im Deckenbereich eines Gehäuses (4) für die Waschmitteleinspülein- richtung (3) ausgebildet ist.7. Washing machine according to claim 6, characterized in that the bypass (35) as a cavity line in the ceiling region of a housing (4) for the Waschmitteleinspülein- direction (3) is formed.
8. Waschmaschine nach den Ansprüchen 5 und 7, dadurch gekennzeichnet, dass die Überführungsleitung (34) als Hohlraumleitung im Deckenbereich des Gehäuses (4) ausgebildet ist.8. Washing machine according to claims 5 and 7, characterized in that the transfer line (34) is designed as a cavity line in the ceiling region of the housing (4).
9. Waschmaschine nach den Ansprüchen 3 und 8, dadurch gekennzeichnet, dass der Bypass (35) im Deckenbereich des Gehäuses (4) unmittelbar mit der Überführungsleitung (34) verbunden ist.9. Washing machine according to claims 3 and 8, characterized in that the bypass (35) in the ceiling region of the housing (4) is connected directly to the transfer line (34).
10. Verfahren zum Reinigen einer Überführungsleitung (27, 28) in einer Waschmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass in einem ersten Schritt das Waschhilfsmittel aus einem Vorratsbehälter (23, 24) und die Überführungsleitung (27, 28) in eine Vormischkammer (13) dosiert wird und in einem zweiten Schritt zugleich der Inhalt aus der Vormischkammer (13) in einen Ablaufschacht (12) zum Laugenbehälter (2) und Frischwasser über den Bypass (29, 30) und die Überführungsleitung (27, 28) in die Vormischkammer (13) geführt wird.10. A method for cleaning a transfer line (27, 28) in a washing machine according to claim 1, characterized in that in a first step, the washing aid from a reservoir (23, 24) and the transfer line (27, 28) in a premixing chamber (13 ) is metered and in a second step at the same time the contents of the premixing chamber (13) in a downcomer (12) to the tub (2) and fresh water through the bypass (29, 30) and the transfer line (27, 28) in the premixing chamber ( 13) is guided.
1 1 . Verfahren zum Reinigen einer Überführungsleitung (34) in einer Waschmaschine nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Waschhilfsmittel aus dem Vorratsbehälter (32) in einen Ablaufschacht (12) zum Laugenbehälter (2) dosiert und gleichzeitig oder zeitlich danach Frischwasser zugleich über eine leere Kammer (9) der Waschmitteleinspüleinrichtung (3) und über den Bypass (35) und die Überführungsleitung (34) in den Ablaufschacht (12) geführt wird. 1 1. Method for cleaning a transfer line (34) in a washing machine according to one of claims 1 to 9, characterized in that the washing aid from the reservoir (32) into a downcomer (12) dosed to the tub (2) and at the same time or temporally fresh water at the same time via an empty chamber (9) of Waschmitteleinspüleinrichtung (3) and over the bypass (35) and the transfer line (34) in the discharge shaft (12) is guided.
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US20100186461A1 (en) 2010-07-29
US8448480B2 (en) 2013-05-28
CN101688349A (en) 2010-03-31
WO2008155214A1 (en) 2008-12-24
DE502008001343D1 (en) 2010-10-28
EA201070007A1 (en) 2010-06-30
EA016375B1 (en) 2012-04-30
ATE481521T1 (en) 2010-10-15
DE102007028214A1 (en) 2008-12-24
EP2171148B1 (en) 2010-09-15
CN101688349B (en) 2011-08-10

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