EP2038468B1 - Washing machine comprising a controllable water supply and method for operating a washing machine of this type - Google Patents
Washing machine comprising a controllable water supply and method for operating a washing machine of this type Download PDFInfo
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- EP2038468B1 EP2038468B1 EP07730037A EP07730037A EP2038468B1 EP 2038468 B1 EP2038468 B1 EP 2038468B1 EP 07730037 A EP07730037 A EP 07730037A EP 07730037 A EP07730037 A EP 07730037A EP 2038468 B1 EP2038468 B1 EP 2038468B1
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- Prior art keywords
- washing machine
- washing
- chamber
- washing agent
- detergent
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- 238000005406 washing Methods 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 14
- 239000013505 freshwater Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 239000000654 additive Substances 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims 9
- 239000012487 rinsing solution Substances 0.000 claims 1
- 239000003599 detergent Substances 0.000 abstract description 53
- 238000011010 flushing procedure Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002979 fabric softener Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/028—Arrangements for selectively supplying water to detergent compartments
Definitions
- the invention relates to a washing machine with a controllable fresh water inlet for at least two detergent chambers, which are arranged within a housing of a Waschscheinquaintleaned and having an outlet for the mixture of detergent and water, which opens on a bottom surface of the housing leading to a drain port for a detergent supply line to Lye container of the washing machine is inclined towards, in which a laundry drum is mounted at least approximately horizontally.
- the invention also relates to a method for operating such a washing machine.
- washing machine is off DE 27 24 426 A1 known.
- this washing machine contains an additional separate detergent chamber for additives, which are switched on a separate way, not on the bottom surface of the housing in the same area of the tub when you turn on a separate fresh water supply at a given time.
- DE 101 38 067 A1 a method for operating a program-controlled washing machine known.
- the known method is at the beginning of a washing process in a first step without moving the laundry a certain first amount of liquid without detergent via a directed to the inside of a cuff bypass to the laundry, in a second step with movement of the laundry a certain second amount of liquid via the main washing agent chamber together with detergent between the laundry drum and the tub and in a third step with movement of the laundry liquid without detergent continues to pass over the bypass directly to the laundry until the total accumulated amount of liquid is sufficient to completely wet the laundry.
- the bypass consists of a branched off from the inlet channel to Vorwaschschhunt water line, which can only lead a significantly smaller amount of water than the inlet channel itself. Therefore, the water supplied via this bypass of the cuff is in fact sufficient only to wet the cuff before the start of the drum rotation in accordance with the object on which the known method is based, so that the washing rubbing against the cuff during drum movement can not be damaged.
- the invention is based on the object to provide with simpler means and faster than in the prior art in addition to the supply of the detergent required for the main wash as early as possible as much as the required total amount of liquid laundry.
- this object is achieved in a washing machine of the type mentioned above in that the bottom surface is divided into sub-areas which have differently directed to at least one of the other faces, deviating from the horizontal inclinations, and each sub-area is associated with at least one detergent chamber and in their Deepest area has its own drain port.
- An advantageous development of the invention has partial surfaces which are separated from each other by raised ribs. As a result, larger amounts of water can be prevented from passing over on partial surfaces during a drop in length from which they pass into an undesired detergent feed line.
- the drain connections are coupled in accordance with an advantageous development of the invention in different areas of the tub, so there is no undesirable feedback effects or mutual influences in the flushing of water and water-detergent mixture.
- the first of the outflow connections should be guided to the rear region of the tub so that it is far away from the coupling of the second of the outflow connections in the front region of the tub, which is also provided according to another advantageous development.
- the first discharge connection is connected via a detergent supply line in an upper region to the jacket of the tub, which has the advantage that when the laundry drum is running the water-detergent mixture rushing onto the drum shell is immediately intensively entangled, mixed and distributed. Furthermore, it is advantageous that even small amounts of water-detergent mixture through the flood holes in the jacket of the laundry drum occur and get in small portions on the laundry.
- the second drain port is advantageously connected via a detergent supply line in an upper region of the sleeve.
- a washing machine is operated according to claim 10 in an advantageous manner so that for the supply of fresh water and detergent and to provide a total amount of wash liquor in the course of the washing process, a first subset of fresh water via the Vorwaschschhunt is performed directly on the laundry, then while flushing the main detergent chamber, a second subset as a mixture of fresh water and main wash on one in the upper part of the Lye container coupled detergent supply line to the jacket of the laundry drum and to fill the total amount a third subset is performed as fresh water in a direct manner to the laundry.
- fresh water is passed exclusively to the laundry via the pre-washing agent chamber and directly, namely preferably via the rinsing through the cuff.
- a mixture of fresh water and additives on the additive chamber is preferably added directly to the laundry.
- a washing machine housing 1 By thin lines the outer boundaries of a washing machine housing 1 are indicated, which has on the front side a filling opening 2 for feeding and discharging the laundry in the laundry drum 3.
- the laundry drum 3 - not visible in detail here - is enclosed by the tub 4 and rotatably mounted therein about a horizontal axis. The orientation of this bearing axis can also deviate from the horizontal. in the Generally this is a forward tilt of less than 15 ° selected. Accordingly, then the tub 4 is inclined with its feed opening 5.
- a cuff 6 For fluid-tight connection of the filling opening 2 in the machine housing 1 and the charging opening 5 in the tub 4 is a cuff 6, which allows a certain mobility of the tub 4 relative to the machine housing 1.
- a Waschstoffeinêt Anlagen 7 is arranged, which can be supplied from the rear side - not shown here - via supply lines with fresh water.
- the fresh water supply can be controlled by solenoid valves not shown by a program device at selected times or depending on the level.
- the Waschstoffein Letnd 7 has its own, housed in the machine housing 1 housing 8, which houses a drawer with a plurality of chambers for different detergents or additives (better in Fig. 3 to recognize). Below the chambers of the inserted drawer is the bottom surface 9 of the housing 8, which in the prior art has a uniform inclination to a drain port out. In any case, the bottom surface 9 is located as a collecting surface below the outlets of the detergent chambers. In the illustrated embodiment of the invention, the bottom surface 9 is divided into two faces 10 and 11, each having a different slope from the other.
- the sub-surface 10 is - defined here - below the Vorwaschsch- and the additive chamber and serves as a collecting surface for their contents or supplied by them fresh water. Their inclination runs towards the discharge connection 12, so that all the liquid which is supplied through the prewash agent chamber or the additive medium chamber reaches the discharge connection 12 via the bottom with the inclined partial surface 10. This is connected by means of a detergent supply line 14 with an inlet 16 of the sleeve 6.
- the sub-surface 11 is - as defined here - arranged below the main detergent chamber and serves as a collecting surface for the mixture of fresh water and the main detergent.
- the inclination of the part surface 11 extends to the discharge port 13, so that all the liquid, through which the main washing agent is rinsed out of this chamber, passes via the bottom with the inclined part surface 11 to the discharge port 13.
- This is connected by means of a detergent supply line 15 with the tub 4 so that the inlet 17 passes the detergent-water mixture between the coats of the laundry drum 3 and the tub 4.
- FIG. 2 illustrated embodiment of an inventively designed Waschschein Why Craft 7 accommodates in its housing 8 to a drawer 18 combined chambers 19, 20 and 21.
- the drawer is for feeding the open-top chambers with individual detergent portions to the front pulled out.
- the outlets of the chambers 19 and 20 are above the partial surface 10, and the water supplied via them therefore reaches the outlet connection 12 and from there via the detergent supply line 14 to the inlet 16 on the sleeve 6.
- the fresh water can from the domestic water network 22 and controlled by the solenoid valves 23 and 24 with simple water jets 25 and 26, are connected in the usual way water jumps for remindsaugêt, the prewash agent chamber 19 or the main washing agent chamber 21. If, however, both solenoid valves 23 and 24 are opened at the same time, a single (middle) resulting jet 27 is formed by the jets 25 and 26 emerging simultaneously from the magnetic valves, which impinges on the admixture chamber 20.
- a rib 28 so separated from each other that bubbly from the chambers 19 to 21 leaking water can not pass into the adjacent part surface.
- a rib 28 can also be used be formed only in that the common regions near the border of the faces 10 and 11 are provided with a greater slope than the other areas.
- a Waschstoffein Letndein Letnd 7 according to Fig. 3 be formed in such a way that for each washing or additive chamber 19 to 21 a separate sub-surface 29 to 31 and a respective outlet port 32 to 34 is provided.
- This can be differentiated water or a mixture be introduced from water and detergent / additive at any time within a wash program in a separate area of the tub 4 or the washing drum 3.
- the sequence is 35 to 37 of each chamber 19 to 21 located above its own associated part surface 29 to 31.
- the washing machine according to the invention has several advantages over the prior art.
- the function of the Ein Vietnamese character for the detergent held safer because the rinse of detergents depending on the consistency of an adequate amount of water can be provided without having to take into account other functions.
- Due to the fast feeding of the water required for the main wash cycle the laundry moved in the laundry drum is optimally protected and brought into contact with well distributed detergent as quickly as possible. This allows the active washing process to start earlier and the wash cycle and subsequent rinse cycles to be kept short, as otherwise can not be achieved. The rinses run thereby even more intense.
- An overflow of the flushing device can be avoided because one of the drain connections is certainly free to drain excess water.
- the ventilation of the tub 4 is given without additional ventilation duct, because one of the two detergent supply lines is guaranteed to be unoccupied.
- the ventilation is considerably safer, because the cross-section of the unoccupied detergent supply line is in any case greater than an additional ventilation line between approximately the Waschstoffeinzziness worn and a high-lying part of a Abpumptechnisch, as usual in the prior
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine Waschmaschine mit einem steuerbaren Frischwasserzulauf für mindestens zwei Waschmittelkammern, die innerhalb eines Gehäuses einer Waschmitteleinspüleinrichtung angeordnet sind und einen Auslass für das Gemisch aus Waschmittel und Wasser aufweisen, der auf einer Bodenfläche des Gehäuses mündet, die zu einem Ablaufanschluss für eine Waschmittelzuführungsleitung zum Laugenbehälter der Waschmaschine hin geneigt ist, in der eine Wäschetrommel mindestens annähernd waagerecht gelagert ist. Die Erfindung betrifft außerdem ein Verfahren zum Betreiben einer solchen Waschmaschine.The invention relates to a washing machine with a controllable fresh water inlet for at least two detergent chambers, which are arranged within a housing of a Waschmitteleinspüleinrichtung and having an outlet for the mixture of detergent and water, which opens on a bottom surface of the housing leading to a drain port for a detergent supply line to Lye container of the washing machine is inclined towards, in which a laundry drum is mounted at least approximately horizontally. The invention also relates to a method for operating such a washing machine.
Eine solche Waschmaschine ist aus
Außerdem ist durch
Da über einen solchen Zuflussweg nur etwa 3,5 Liter Wasser pro Minute zugegeben werden können, ist die Wasserzugabe bis zur vollständigen Auffüllung der Gesamtmenge bei dem bekannten Verfahren zu langwierig. Der bekannte Zuflussweg liegt innerhalb von engen Rohrleitungen im Deckelbereich einer Waschmitteleinspüleinrichtung und bleibt daher auch nach Abschalten des Frischwasserzuflusses regelmäßig durch Wasserreste luftdicht verlegt, so dass eine besondere Leitung zwischen dem Laugenbehälter und der Waschmitteleinrichtung vorhanden sein muss, um den Laugenbehälter während der Zugabe von Wasser und Waschmittel zu belüften.Since only about 3.5 liters of water per minute can be added via such a feed path, the addition of water until the complete filling of the total amount in the known method is too lengthy. The known Zuflussweg is within narrow pipes in the lid region of Waschmitteleinspüleinrichtung and therefore remains airtight even after switching off the flow of fresh water airtight by water residues, so that a special line between the tub and the detergent must be present to the tub during the addition of water and To aerate detergent.
Der Erfindung liegt demgegenüber die Aufgabe zugrunde, mit einfacheren Mitteln und schneller als beim Stand der Technik neben der Zuführung des für den Hauptwaschgang erforderlichen Waschmittels möglichst früh schon möglichst viel der erforderlichen Gesamtmenge von Flüssigkeit der Wäsche zur Verfügung zu stellen.The invention is based on the object to provide with simpler means and faster than in the prior art in addition to the supply of the detergent required for the main wash as early as possible as much as the required total amount of liquid laundry.
Erfindungsgemäß wird diese Aufgabe in einer Waschmaschine der eingangs genannten Art dadurch gelöst, dass die Bodenfläche in Teilflächen aufgeteilt ist, die zu mindestens einer der anderen Teilflächen unterschiedlich gerichtete, von der Waagerechten abweichende Neigungen aufweisen, und jede Teilfläche mindestens einer Waschmittelkammer zugeordnet ist und in ihrem tiefsten Bereich einen eigenen Ablaufanschluss aufweist.According to the invention, this object is achieved in a washing machine of the type mentioned above in that the bottom surface is divided into sub-areas which have differently directed to at least one of the other faces, deviating from the horizontal inclinations, and each sub-area is associated with at least one detergent chamber and in their Deepest area has its own drain port.
Die nachfolgenden Merkmale der Unteransprüche zum Anspruch 1 können in beliebiger Weise einzeln oder miteinander kombiniert mit den Merkmalen des Anspruches 1 angewendet werden. Dies gilt in gleicher Weise für die Merkmale der Unteransprüche zu dem in Anspruch 10 gekennzeichneten Verfahren.The following features of the dependent claims to claim 1 can be used in any manner individually or combined with the features of
Auf die erfindungsgemäße Weise kann es gelingen, durch den Zulaufweg über eine Waschmittelkammer, die vor der Hauptwaschmittelkammer bespült wird, für die rasche Zufuhr von Wasser zu benutzen. Dies ist auch dann noch vorteilhaft, wenn diese Waschmittelkammer selbst mit einem Waschmittel befüllt wurde, etwa mit einem Vorwaschmittel. Für eine Vorwäsche ist die Dosierung des Waschmittels regelmäßig erheblich geringer, so dass bei der Ersteinspülung des Vorwaschmittels anders als bei der Erstberührung mit Hauptwaschmittel keine Verfärbung der Wäsche zu befürchten ist. Zudem werden die bei weitem meisten Waschgänge heutzutage ohne Vorwäsche betrieben, so dass die sogenannte Vorwaschmittelkammer regelmäßig unbeschickt, also frei ist. Wenn daher die Wäsche über diesen Weg sehr schnell mit einer größeren Menge waschmittelfreien Wassers benutzt werden kann, wird die anschließende Zugabe von Hauptwaschmittel hinsichtlich der Farbtreue der Wäsche unbedenklich sein.In the manner according to the invention, it is possible to use for the rapid supply of water through the feed path via a detergent chamber, which is rinsed in front of the main washing agent chamber. This is also advantageous if this detergent chamber itself was filled with a detergent, such as a prewash. For a prewash, the dosage of the detergent is regularly considerably lower, so that unlike the initial contact with main detergent no discoloration of the laundry is to be feared in the first flush of the prewash. In addition, by far the majority of washes today are operated without prewashing, so that the so-called pre-wash chamber is regularly unmarked, so free. Therefore, if the laundry can be used very quickly with a larger amount of detergent-free water over this route, the subsequent addition of main detergent will be harmless in terms of color fidelity of the laundry.
Eine vorteilhafte Weiterbildung der Erfindung hat Teilflächen, die durch erhabene Rippen voneinander getrennt sind. Dadurch können größere Mengen von Wasser während eines Zugabeschwalls vor dem Übertreten auf Teilflächen bewahrt werden, von denen aus sie in eine nicht gewünschte Waschmittelzuführungsleitung gelangen.An advantageous development of the invention has partial surfaces which are separated from each other by raised ribs. As a result, larger amounts of water can be prevented from passing over on partial surfaces during a drop in length from which they pass into an undesired detergent feed line.
Bei einer Waschmaschine, die mehr als zwei Waschmittelkammern aufweist, ist es von Vorteil, wenn mindestens zwei Waschmittelkammern einer gemeinsamen Teilfläche zugeordnet sind. Eine größere Differenzierung der Zulaufwege ist im Allgemeinen nicht erforderlich; mit dieser Weiterbildung sind daher Herstellungskosten einzusparen. So kann beispielsweise den Kammern für Vorwaschmittel, die fast nie beschickt ist, und für Zusatzmittel eine gemeinsame Teilfläche zugeordnet sein, damit über diesen Weg eine großvolumige Wassermenge in kurzer Zeit in die Wäschetrommel eingeführt werden kann. Der anderen Teilfläche - hier sind nur zwei Teilflächen vorgesehen - ist die Hauptwaschmittelkammer zugeordnet, aus der das Wasser-Waschmittel-Gemisch zwischen die Wäschetrommel und den Laugenbehälter geführt wird.In a washing machine having more than two detergent chambers, it is advantageous if at least two detergent chambers are assigned to a common partial surface. Greater differentiation of the inlet routes is generally not required; With this development, manufacturing costs must therefore be saved. Thus, for example, the chambers for prewash, which is almost never charged, and for additive a common face be assigned so that a large volume of water can be introduced in a short time in the laundry drum on this way. The other part surface - here only two partial surfaces are provided - is assigned to the main washing agent chamber, from which the water-detergent mixture between the laundry drum and the tub is guided.
Die Ablaufanschlüsse sind gemäß einer vorteilhaften Fortbildung der Erfindung in unterschiedlichen Bereichen an den Laugenbehälter angekoppelt, damit es bei der Einspülung von Wasser und Wasser-Waschmittel-Gemisch zu keinen unerwünschten Rückkoppelungseffekten oder gegenseitigen Beeinflussungen kommt. Besonders vorteilhaft sollte der erste der Ablaufanschlüsse an den rückwärtigen Bereich des Laugenbehälters geführt sein, damit er weit weg ist von der gemäß ebenfalls vorteilhaften Weiterbildung vorgesehenen Ankoppelung des zweiten der Ablaufanschlüsse im Frontbereich des Laugenbehälters.The drain connections are coupled in accordance with an advantageous development of the invention in different areas of the tub, so there is no undesirable feedback effects or mutual influences in the flushing of water and water-detergent mixture. Particularly advantageously, the first of the outflow connections should be guided to the rear region of the tub so that it is far away from the coupling of the second of the outflow connections in the front region of the tub, which is also provided according to another advantageous development.
Dabei ist der erste Ablaufanschluss über eine Waschmittelzuführungsleitung in einem oberen Bereich an den Mantel des Laugenbehälters angeschlossen, was den Vorteil mit sich bringt, dass bei laufender Wäschetrommel das auf den Trommelmantel stürzende Wasser-Waschmittel-Gemisch sofort intensiv verwirbelt, vermischt und verteilt wird. Weiterhin von Vorteil ist es dabei, dass bereits geringe Mengen von Wasser-Waschmittel-Gemisch durch die Flutlöcher im Mantel der Wäschetrommel treten und in kleinen Portionen auf die Wäsche gelangen.In this case, the first discharge connection is connected via a detergent supply line in an upper region to the jacket of the tub, which has the advantage that when the laundry drum is running the water-detergent mixture rushing onto the drum shell is immediately intensively entangled, mixed and distributed. Furthermore, it is advantageous that even small amounts of water-detergent mixture through the flood holes in the jacket of the laundry drum occur and get in small portions on the laundry.
In einer Waschmaschine mit einer Manschette zum flüssigkeitsdichten Verbinden von frontseitigen Öffnungen im Laugenbehälter und in der Frontwand des Maschinengehäuses ist der zweite Ablaufanschluss vorteilhafterweise über eine Waschmittelzuführungsleitung in einem oberen Bereich an die Manschette angeschlossen.In a washing machine with a sleeve for fluid-tight connection of front openings in the tub and in the front wall of the machine housing, the second drain port is advantageously connected via a detergent supply line in an upper region of the sleeve.
Eine Waschmaschine nach mindestens einer der vorstehenden Ausprägungen wird gemäß Anspruch 10 in vorteilhafter Weise so betrieben, dass zur Zuführung von Frischwasser und Waschmittel und zur Bereitstellung einer Gesamtmenge von Waschlauge im Verlaufe des Waschprozesses eine erste Teilmenge von Frischwasser über die Vorwaschmittelkammer in direkter Weise auf die Wäsche geführt wird, dann unter Ausspülung der Hauptwaschmittelkammer eine zweite Teilmenge als Gemisch aus Frischwasser und Hauptwaschmittel über eine im oberen Bereich des Laugenbehälters angekoppelte Waschmittelzuführungsleitung auf den Mantel der Wäschetrommel und zur Auffüllung der Gesamtmenge eine dritte Teilmenge als Frischwasser in direkter Weise auf die Wäsche geführt wird.A washing machine according to at least one of the above characteristics is operated according to
Für die Bereitstellung einer Gesamtmenge von Spüllauge in einem Spülabschnitt eines Waschprogramms wird gemäß einer vorteilhaften Weiterbildung des erfindungsgemäßen Verfahrens Frischwasser ausschließlich über die Vorwaschmittelkammer und in direkter Weise, nämlich vorzugsweise über die Einspülung durch die Manschette, auf die Wäsche geführt.For the provision of a total amount of rinsing liquor in a rinsing section of a washing program, according to an advantageous development of the method according to the invention, fresh water is passed exclusively to the laundry via the pre-washing agent chamber and directly, namely preferably via the rinsing through the cuff.
Zur Bereitstellung einer Gesamtmenge von Sonderbehandlungslauge, z. B. einer Lauge aus Wasser und Weichspülmittel, wird ein Gemisch aus Frischwasser und Zusatzmittel über die Zusatzmittelkammer vorzugsweise in direkter Weise auf die Wäsche gegeben.To provide a total amount of special treatment liquor, e.g. As a lye of water and fabric softener, a mixture of fresh water and additives on the additive chamber is preferably added directly to the laundry.
Für die unterschiedlichen Teilmengen von Zulaufwasser sind empirisch zu ermittelnde Werte zu wählen, die vorzugsweise zwischen 4 und 7 Liter für die erste Teilmenge, zwischen 5 und 7 Liter für die zweite Teilmenge und von mindestens 30 Liter für die dritte Teilmenge betragen sollten.For the different subsets of feed water empirically to be determined values should be selected, which should preferably be between 4 and 7 liters for the first subset, between 5 and 7 liters for the second subset and at least 30 liters for the third subset.
Anhand von in der Zeichnung dargestellten Ausführungsbeispielen ist die Erfindung nachstehend näher erläutert. Es zeigen
- Fig. 1
- die Frontansicht der für die Zuführung von Wasser und Waschmittel rele- vanten Teile einer Waschmaschine,
- Fig. 2
- ein schematisch dargestelltes Arrangement für eine Waschmitteleinspülein- richtung und die Zuführung der jeweiligen Teilmengen zum Laugenbehälter bzw. zur Wäsche und
- Fig. 3
- eine schematische Frontansicht eines weiteren Ausführungsbeispieles für eine Waschmitteleinspüleinrichtung.
- Fig. 1
- the front view of the parts of a washing machine which are relevant for the supply of water and detergent,
- Fig. 2
- a schematically illustrated arrangement for a Waschmitteleinspülein- direction and the supply of the respective subsets to the tub or laundry and
- Fig. 3
- a schematic front view of another embodiment of a Waschmitteleinspüleinrichtung.
Durch dünne Linien sind die äußeren Umgrenzungen eines Waschmaschinengehäuses 1 angedeutet, das an der Frontseite eine Einfüllöffnung 2 für das Zuführen und Entladen der Wäsche in die Wäschetrommel 3 hat. Die Wäschetrommel 3 - im Detail hier nicht sichtbar - ist von dem Laugenbehälter 4 umschlossen und darin um eine waagerechte Achse drehbar gelagert. Die Ausrichtung dieser Lagerachse kann auch von der Waagerechten abweichen. Im Allgemeinen wird hierfür eine nach vorn angehobene Neigung von weniger als 15° gewählt. Entsprechend ist dann auch der Laugenbehälter 4 mit seiner Beschickungsöffnung 5 geneigt.By thin lines the outer boundaries of a
Zur flüssigkeitsdichten Verbindung der Einfüllöffnung 2 im Maschinengehäuse 1 und der Beschickungsöffnung 5 im Laugenbehälter 4 dient eine Manschette 6, die eine gewisse Beweglichkeit des Laugenbehälters 4 relativ zum Maschinengehäuse 1 zulässt.For fluid-tight connection of the filling opening 2 in the
Im oberen Bereich des Maschinengehäuses 1 ist eine Waschmitteleinspüleinrichtung 7 angeordnet, die von der Rückseite her - hier nicht dargestellt - über Zuleitungen mit Frischwasser versorgt werden kann. Dazu kann der Frischwasserzulauf über nicht dargestellte Magnetventile von einer Programmeinrichtung zu gewählten Zeiten oder niveauabhängig gesteuert werden.In the upper region of the
Die Waschmitteleinspüleinrichtung 7 hat ein eigenes, im Maschinengehäuse 1 untergebrachtes Gehäuse 8, das eine Schublade mit mehreren Kammern für unterschiedliche Waschmittel bzw. Zusatzmittel beherbergt (besser in
Die Teilfläche 10 ist - hier so definiert - unterhalb der Vorwaschmittel- und der Zusatzmittelkammer angeordnet und dient als Auffangfläche für deren Inhalte bzw. das durch sie zugeführte Frischwasser. Ihre Neigung verläuft zum Ablaufanschluss 12 hin, so dass alle Flüssigkeit, die durch die Vorwaschmittelkammer oder die Zusatzmittelkammer zugeführt wird, über den Boden mit der geneigten Teilfläche 10 zum Ablaufanschluss 12 gelangt. Dieser ist mittels einer Waschmittelzuführungsleitung 14 mit einem Einlauf 16 der Manschette 6 verbunden.The
Die Teilfläche 11 ist - hier so definiert - unterhalb der Hauptwaschmittelkammer angeordnet und dient als Auffangfläche für das Gemisch aus Frischwasser und Hauptwaschmittel. Die Neigung der Teilfläche 11 verläuft zum Ablaufanschluss 13 hin, so dass alle Flüssigkeit, durch die das Hauptwaschmittel aus dieser Kammer ausspült wird, über den Boden mit der geneigten Teilfläche 11 zum Ablaufanschluss 13 gelangt. Dieser ist mittels einer Waschmittelzuführungsleitung 15 mit dem Laugenbehälter 4 so verbunden, dass der Einlauf 17 das Waschmittel-Wasser-Gemisch zwischen die Mäntel der Wäschetrommel 3 und des Laugenbehälters 4 leitet.The
Das in
Der hier nicht sichtbare Auslass der Hauptwaschmittelkammer 21 liegt über der Teilfläche 11, und das aus dieser Kammer tretende Hauptwaschmittel-Wasser-Gemisch fließt von der Neigung der Teilfläche 11 getrieben zum Ablaufanschluss 13 und von dort über die Waschmittelzuführungsleitung 15 zum Einlass 17 am Laugenbehälter 4.The outlet of the main
Das Frischwasser kann vom Hauswassernetz 22 her und gesteuert durch die Magnetventile 23 und 24 mit einfachen Wasserstrahlen 25 und 26, in die in üblicher Weise Wassersprünge zur Rücksaugsicherung geschaltet sind, die Vorwaschmittelkammer 19 oder die Hauptwaschmittelkammer 21 erreichen. Werden allerdings beide Magnetventile 23 und 24 gleichzeitig geöffnet, dann bildet sich von den aus den Magnetventilen gleichzeitig austretenden Strahlen 25 und 26 ein einziger (mittlerer) resultierender Strahl 27, der die Kammer 20 für Zusatzmittel trifft.The fresh water can from the
Bei dem in
Abweichend von den bisherigen Ausführungsbeispielen kann eine Waschmitteleinspüleinrichtung 7 gemäß
Eine solche Ausbildung der Waschmitteleinspüleinrichtung 7 lässt auch Varianten zu, wenn in einem Typ von Waschmaschinen tatsächlich drei (oder mehr) unterschiedliche Zuführungen vorgesehen sein sollen, in einem anderen Typ von Waschmaschinen aber nur zwei unterschiedliche Zuführungen wie in den Beispielen der
Die erfindungsgemäße Waschmaschine hat mehrere Vorteile gegenüber dem Stand der Technik. So ist die Funktion der Einspülmaßnahmen für die vorgehaltenen Waschmittel sicherer, weil für die Ausspülung von Waschmitteln je nach Konsistenz eine angemessene Wassermenge vorgesehen werden kann, ohne dass auf andere Funktionen Rücksicht genommen werden muss. Durch die schnelle Zuführung des für den Hauptwaschgang benötigten Wassers wird die in der Wäschetrommel bewegte Wäsche optimal geschont und schnellstmöglich mit gut verteiltem Waschmittel in Berührung gebracht. Dadurch können der aktive Waschprozess früher einsetzen sowie der Waschgang und die anschließenden Spülgänge kurz gehalten werden, wie es auf andere Weise nicht zu erreichen ist. Die Spülgänge laufen dadurch auch noch intensiver ab. Ein Überlaufen der Einspüleinrichtung kann vermieden werden, weil einer der Ablaufanschlüsse mit Sicherheit frei zum Ablaufen überschüssiger Wassermengen ist. Die Belüftung des Laugenbehälters 4 ist ohne zusätzliche Belüftungsleitung gegeben, weil eine der beiden Waschmittelzuführungsleitungen garantiert unbelegt ist. Außerdem ist die Belüftung erheblich sicherer, weil der Querschnitt der unbelegten Waschmittelzuführungsleitung in jedem Falle größer ist als eine zusätzliche Belüftungsleitung etwa zwischen der Waschmitteleinspüleinrichtung und einem hoch gelegenen Teil einer Abpumpleitung, wie beim Stand der Technik üblich.The washing machine according to the invention has several advantages over the prior art. Thus, the function of the Einspülmaßnahmen for the detergent held safer, because the rinse of detergents depending on the consistency of an adequate amount of water can be provided without having to take into account other functions. Due to the fast feeding of the water required for the main wash cycle, the laundry moved in the laundry drum is optimally protected and brought into contact with well distributed detergent as quickly as possible. This allows the active washing process to start earlier and the wash cycle and subsequent rinse cycles to be kept short, as otherwise can not be achieved. The rinses run thereby even more intense. An overflow of the flushing device can be avoided because one of the drain connections is certainly free to drain excess water. The ventilation of the
Claims (15)
- Washing machine with a controllable fresh water feed (22 to 24) for at least two washing agent chambers (19 to 21), which are arranged within a housing (8) of a washing agent flushing-in device (7) and have an outlet (35 to 37) for water or the mixture of washing agent and water, wherein the outlet opens onto a base surface (9) of the housing (8) which is inclined towards an outflow connection (12, 13) for a washing agent feed line (14, 15) to the solution container (4) of the washing machine, in which a laundry drum (3) is mounted to be at least approximately horizontal, characterised in that the base surface (9) is divided up into sub-surfaces (10, 11), which have inclinations oriented differently from at least one of the other sub-surfaces and departing from the horizontal, and each sub-surface (10, 11) is associated with at least one washing agent chamber (19 to 21) and has in its deepest region a individual outflow connection (12, 13).
- Washing machine according to claim 1, characterised in that the sub-surfaces (10, 11) are separated from one another by elevated ribs (28).
- Washing machine according to claim 1 with more than two washing agent chambers (19 to 21), characterised in that at least two washing agent chambers (19, 20) are associated with a common sub-surface (10).
- Washing machine according to claim 3, characterised in that the washing agent flushing-in device (7) comprises a chamber (19) for pre-wash agent, a second chamber (21) for main washing agent and a third chamber (20) for an additive and that the chambers (19, 20) for the pre-wash agent and for the additive are associated with a common sub-surface (11).
- Washing machine according to claim 1, characterised in that the outflow connections (12, 13) are coupled to the solution container (4) in different regions.
- Washing machine according to claim 5, characterised in that the first (13) of the outflow connections is led to the rearward region of the solution container (4).
- Washing machine according to claim 5, characterised in that the second (12) of the outflow connections is led to the front region of the solution container (4).
- Washing machine according to claim 5, characterised in that the first outflow connection (13) is connected in an upper region with the casing of the solution container (4) by way of a washing agent feed line (15).
- Washing machine according to claim 5 with a sleeve (6) for liquid-tight connection of frontal openings (2, 5) of the solution container (4) and the machine housing (1), characterised in that the second outflow connection (12) is connected in an upper region with the sleeve (6) by way of a washing agent feed line (14).
- Method of operating a washing machine according to any one of the preceding claims, characterised in that for the feed of fresh water and washing agent and for the provision of a total quantity of washing solution in the sequences of the washing process a first part quantity of fresh water is supplied in direct manner to the laundry by way of the pre-wash agent chamber (19), then, with flushing-out of the main washing agent chamber (21), a second part quantity as mixture of fresh water and main washing agent is supplied to the casing of the laundry drum (3) by way of a washing agent feed line (15) coupled in the upper region of the solution container (4) and, for filling up to the total quantity, a third part quantity as fresh water is supplied in direct manner to the laundry.
- Method according to claim 10, characterised in that, for provision of a total quantity of rinsing solution, fresh water is supplied in direct manner to the laundry by way of the pre-wash agent chamber (19).
- Method according to claim 10, characterised in that, for provision of a total quantity of special treatment solution, a mixture of fresh water and additive is added in direct manner to the laundry by way of the additive chamber (20).
- Method according to claim 10, characterised in that the first part quantity is between 4 and 7 litres.
- Method according to claim 10, characterised in that the second part quantity is between 5 and 7 litres.
- Method according to claim 10, characterised in that the third part quantity is at least 30 litres.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006029953A DE102006029953A1 (en) | 2006-06-29 | 2006-06-29 | Washing machine with a controllable fresh water inlet and method for operating such a washing machine |
PCT/EP2007/055687 WO2008000612A1 (en) | 2006-06-29 | 2007-06-11 | Washing machine comprising a controllable water supply and method for operating a washing machine of this type |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2038468A1 EP2038468A1 (en) | 2009-03-25 |
EP2038468B1 true EP2038468B1 (en) | 2010-02-10 |
Family
ID=38556695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07730037A Active EP2038468B1 (en) | 2006-06-29 | 2007-06-11 | Washing machine comprising a controllable water supply and method for operating a washing machine of this type |
Country Status (7)
Country | Link |
---|---|
US (1) | US8459068B2 (en) |
EP (1) | EP2038468B1 (en) |
CN (2) | CN101479421B (en) |
AT (1) | ATE457382T1 (en) |
DE (2) | DE102006029953A1 (en) |
RU (1) | RU2428531C2 (en) |
WO (1) | WO2008000612A1 (en) |
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DE102006029953A1 (en) * | 2006-06-29 | 2008-01-03 | BSH Bosch und Siemens Hausgeräte GmbH | Washing machine with a controllable fresh water inlet and method for operating such a washing machine |
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KR101577448B1 (en) * | 2009-01-05 | 2015-12-14 | 동부대우전자 주식회사 | Throwing device of water for auto washer |
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DE102010031677A1 (en) * | 2010-07-22 | 2012-01-26 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting household appliance with storage container in the upper area |
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DE102011089395A1 (en) * | 2011-12-21 | 2013-06-27 | BSH Bosch und Siemens Hausgeräte GmbH | Einspülanordnung for a household appliance for the care of laundry and household appliance for the care of laundry |
IN2014KN01121A (en) * | 2011-12-21 | 2015-10-16 | Bsh Bosch & Siemens Hausgeraete Gmbh | |
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DE102012209211A1 (en) * | 2012-05-31 | 2013-12-05 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting household appliance with a treatment gas generator and a Einspülanordnung |
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CN107008688B (en) * | 2017-05-26 | 2023-06-09 | 田清波 | Washing machine seal ring cleaning and disinfecting device and using method thereof |
CN110670310A (en) * | 2018-07-02 | 2020-01-10 | 青岛海尔滚筒洗衣机有限公司 | Water inlet pipeline structure of washing machine |
KR102628098B1 (en) * | 2019-02-01 | 2024-01-23 | 엘지전자 주식회사 | Laundry Treatment Machine |
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-
2006
- 2006-06-29 DE DE102006029953A patent/DE102006029953A1/en not_active Withdrawn
-
2007
- 2007-06-11 DE DE502007002822T patent/DE502007002822D1/en active Active
- 2007-06-11 WO PCT/EP2007/055687 patent/WO2008000612A1/en active Application Filing
- 2007-06-11 RU RU2009101370/12A patent/RU2428531C2/en active
- 2007-06-11 AT AT07730037T patent/ATE457382T1/en active
- 2007-06-11 US US12/308,842 patent/US8459068B2/en active Active
- 2007-06-11 CN CN2007800243745A patent/CN101479421B/en active Active
- 2007-06-11 EP EP07730037A patent/EP2038468B1/en active Active
- 2007-06-29 CN CNU2007201463985U patent/CN201099775Y/en not_active Expired - Lifetime
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RU2009101370A (en) | 2010-08-10 |
RU2428531C2 (en) | 2011-09-10 |
DE102006029953A1 (en) | 2008-01-03 |
US20090293202A1 (en) | 2009-12-03 |
CN101479421A (en) | 2009-07-08 |
ATE457382T1 (en) | 2010-02-15 |
CN201099775Y (en) | 2008-08-13 |
DE502007002822D1 (en) | 2010-03-25 |
US8459068B2 (en) | 2013-06-11 |
WO2008000612A1 (en) | 2008-01-03 |
CN101479421B (en) | 2011-06-22 |
EP2038468A1 (en) | 2009-03-25 |
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