EP0330880A2 - Washing product dispenser - Google Patents

Washing product dispenser Download PDF

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Publication number
EP0330880A2
EP0330880A2 EP89102225A EP89102225A EP0330880A2 EP 0330880 A2 EP0330880 A2 EP 0330880A2 EP 89102225 A EP89102225 A EP 89102225A EP 89102225 A EP89102225 A EP 89102225A EP 0330880 A2 EP0330880 A2 EP 0330880A2
Authority
EP
European Patent Office
Prior art keywords
flow
water
wedge
channel
washing
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
EP89102225A
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German (de)
French (fr)
Other versions
EP0330880A3 (en
EP0330880B1 (en
Inventor
Wolfgang Proppe
Karl Dipl.-Ing. Thier
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
Bosch Siemens Hausgerate 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.)
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Publication date
Application filed by Bosch Siemens Hausgerate GmbH filed Critical Bosch Siemens Hausgerate GmbH
Publication of EP0330880A2 publication Critical patent/EP0330880A2/en
Publication of EP0330880A3 publication Critical patent/EP0330880A3/en
Application granted granted Critical
Publication of EP0330880B1 publication Critical patent/EP0330880B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a detergent dispenser for a laundry treatment machine, which contains a housing that is open on one side and a drawer that can be moved through this opening and has a plurality of compartments for detergents and washing aids that are open at the top and a water guide channel provided with bottom drain holes, which has a first channel section which is guided in the inlet direction and at least two branch sections which branch off therefrom and run against the inlet direction.
  • Such a detergent dispenser is known from DE-OS 28 13 366, which needs to be improved with regard to the noises it generates when fresh water flows in. This is the object of the present invention.
  • this object is achieved in that at the end of the first channel section in the branching area a wedge is arranged with its tip directed towards the flow of the incoming water.
  • a particularly advantageous development of the invention is to be seen in the fact that the wedge surfaces are curved in a concave manner. This avoids discontinuities in the flow-directing walls. Vibrations on the air bubbles are therefore suppressed to an increased extent.
  • the wedge surfaces have gutters running along the flow.
  • the water guiding component 1 designed as a cover for the housing of a detergent dispenser has fresh water nozzles 2, 3 and 4 on its rear wall.
  • openings 6, 7 and 8 are arranged opposite the fresh water nozzles, of which the openings 6 and 8 belong to first sections 9 and 10 of the water guide channels leading preferably to detergent chambers which can be filled with washing powder.
  • first sections 9 and 10 drainage holes 11 and 12 leading to the detergent chambers below are already provided.
  • the opening 7 opposite the fresh water nozzle 3 belongs to a water guide channel 13 which serves to supply the inlet water (not shown) required for emptying the fabric softener chamber arranged under the drain holes 14.
  • drain holes 23 and 24 are provided in a row one behind the other.
  • the washing powder which is stored in the detergent compartments (not shown) is rinsed by the water jets flowing through the drain holes 23 and 24 and is conveyed from the feed water through the antechamber 5 into the washing container.
  • channel sections 10, 20 and 22 in FIG. 3 indicate the direction of flow of the inlet water in accordance with the arrows in FIGS. 1 and 2.
  • Fig. 3 are further by the side walls 25 and the partition walls 26 the un ter the channel sections arranged detergent chambers indicated.
  • the detail 30 encircled by dash-dotted lines in the illustrated embodiment is the branching area at the end of the first channel section 9 or 10.
  • a wedge 27 is arranged according to the invention, the wedge 27 of which points at the flow of the incoming water in the first Channel section 9 or 10 is directed. This tip clearly divides the flow of the incoming water and without eddies.
  • the wedge surfaces which in the exemplary embodiment shown in FIGS. 1 to 3 are curved in a concave manner, also guide the partial flows without formation of eddies into the subsequent channel branches 19 and 21 or 20 and 22 a reduction in the flow noise within the channels.
  • FIG. 4 In which a wedge 27 is shown in section at the section line IV-IV in FIG. 1. It can be seen from this illustration that the wedge surfaces 29 are shaped in addition to the concave, arch-like configuration,

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

In a washing-product dispenser with water guide channels 9, 10, 13 and 19 to 22 made in the cover 1 of the housing above each washing- product chamber and having a first inflow portion 9 or 10 and, at its end, at least two following further portions 19 and 21 or 20 and 22 which extend parallel to the first portion, but through which the flow passes in the opposite direction, at the end of the first channel portion is arranged a wedge 27, the tip 28 of which is directed towards the stream of the inflowing water. A steadying of the water flow is thereby possible in the region of the channel branch portion 30. Air bubbles carried along are thus no longer set in noise-intensive vibration. <IMAGE>

Description

Die Erfindung geht aus von einer Waschmitteleinspüleinrichtung für eine Wäschebe­handlungsmaschine, die ein einseitig offenes Gehäuse und eine durch diese Öffnung bewegbare Schublade mit mehreren oben offenen Kammern für Waschmittel und Waschhilfsmittel enthält, wobei im Deckel des Gehäuses über jeder Kammer der eingeschobenen Schublade ein an eine Frischwasserdüse anschließender und mit bo­denseitigen Abflußlöchern versehener Wasserführungskanal angeordnet ist, der aus ei­nem ersten, in Zulaufrichtung geführten und mindestens zwei daraus sich abzweigen­den, gegen Zulaufrichtung geführte Kanalabschnitte aufweist.The invention relates to a detergent dispenser for a laundry treatment machine, which contains a housing that is open on one side and a drawer that can be moved through this opening and has a plurality of compartments for detergents and washing aids that are open at the top and a water guide channel provided with bottom drain holes, which has a first channel section which is guided in the inlet direction and at least two branch sections which branch off therefrom and run against the inlet direction.

Eine solche Waschmitteleinspüleinrichtung ist aus der DE-OS 28 13 366 bekannt, die hinsichtlich ihrer beim Zulaufen von Frischwasser erzeugten Geräusche verbesse­rungsbedürftig ist. Darin liegt die Aufgabe der vorliegenden Erfindung.Such a detergent dispenser is known from DE-OS 28 13 366, which needs to be improved with regard to the noises it generates when fresh water flows in. This is the object of the present invention.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß am Ende des ersten Kanal­abschnittes im Verzweigungsbereich ein mit seiner Spitze auf den Strom des zulau­fenden Wassers gerichteter Keil angeordnet ist. Hierdurch wird die Strömung im Verzweigungsbereich eindeutig geteilt und laminar in die anschließenden Kanalab­schnitte umgelenkt. Die Anregung von Schwingungen durch in der Strömung mitge­führte Wasserbläschen wird dabei weitgehend vermieden.According to the invention, this object is achieved in that at the end of the first channel section in the branching area a wedge is arranged with its tip directed towards the flow of the incoming water. As a result, the flow in the branching area is clearly divided and laminarly diverted into the subsequent channel sections. The excitation of vibrations caused by water bubbles in the flow is largely avoided.

Eine besonders vorteilhafte Weiterbildung der Erfindung ist darin zu sehen, daß die Keilflächen bogenartig konkav geformt sind. Hierdurch vermeidet man Unstetigkei­ten bei den strömungslenkenden Wänden. Schwingungsanregungen auf die Luftbläs­chen werden daher in erhöhtem Maße unterdrückt.A particularly advantageous development of the invention is to be seen in the fact that the wedge surfaces are curved in a concave manner. This avoids discontinuities in the flow-directing walls. Vibrations on the air bubbles are therefore suppressed to an increased extent.

Zur Erzielung eines Optimums bei der Laminarität der Strömung ist es von besonde­rem Vorteil, wenn gemäß einer Weiterbildung der Erfindung die Keilflächen entlang der Strömung verlaufende Kehlrinnen aufweisen.To achieve an optimum in the laminarity of the flow, it is particularly advantageous if, according to a development of the invention, the wedge surfaces have gutters running along the flow.

Anhand von in der Zeichnung dargestellten Ausführungsbeispielen ist die Erfindung nachstehend erläutert. Es zeigen

  • Fig. 1 einen horizontalen Schnitt entlang der Schnittlinie I-I in Fig. 2 durch das erfindungsgemäße Wasser­führungsbauteil,
  • Fig. 2 einen Schnitt durch das erfindungsgemäße Wasser­führungsbauteil entlang der Schnittlinie II-II in Fig. 1,
  • Fig. 3 einen quer zu den Strömungen verlaufenden Schnitt durch das erfindungsgemäße Wasserführungsbauteil entlang der Schnittlinie III-III in Fig. 1 und
  • Fig. 4 einen Schnitt durch einen mit Kehlrinnen versehenen Keil entlang der Schnittlinie IV-IV in Fig. 1.
The invention is explained below on the basis of exemplary embodiments shown in the drawing. Show it
  • 1 shows a horizontal section along section line II in FIG. 2 through the water guide component according to the invention,
  • 2 shows a section through the water guiding component according to the invention along the section line II-II in FIG. 1,
  • Fig. 3 is a cross-sectional view of the flow through the water guide component according to the invention along the section line III-III in Fig. 1 and
  • 4 shows a section through a wedge provided with gutters along the section line IV-IV in FIG. 1.

Das als Deckel für das Gehäuse einer Waschmitteleinspüleinrichtung ausgebildete Wasserführungsbauteil 1 trägt an seiner Rückwand Frischwasserdüsen 2, 3 und 4. Sie münden in eine Vorkammer 5, die zum Abführen des Tropfwassers in den Waschmit­telbehälter und zur Rückflußverhinderung bereits in die Waschmitteleinspülkammer gelangten Wassers dient. In einem flachen, kastenförmigen Teil des Wasserführungs­bauteiles sind gegenüber den Frischwasserdüsen 2 bis 4 Öffnungen 6, 7 und 8 ange­ordnet, von denen die Öffnungen 6 und 8 zu ersten Abschnitten 9 und 10 der zu den vorzugsweise mit Waschpulver füllbaren Waschmittelkammern führenden Wasserfüh­rungskanäle gehören. In diesen ersten Abschnitten 9 und 10 sind bereits zu den dar­unter liegenden Waschmittelkammern führende Abflußlöcher 11 und 12 vorgesehen.The water guiding component 1 designed as a cover for the housing of a detergent dispenser has fresh water nozzles 2, 3 and 4 on its rear wall. In a flat, box-shaped part of the water guide component 2 to 4 openings 6, 7 and 8 are arranged opposite the fresh water nozzles, of which the openings 6 and 8 belong to first sections 9 and 10 of the water guide channels leading preferably to detergent chambers which can be filled with washing powder. In these first sections 9 and 10 drainage holes 11 and 12 leading to the detergent chambers below are already provided.

Die der Frischwasserdüse 3 gegenüberliegende Öffnung 7 gehört zu einem Wasserfüh­rungskanal 13, der zur Zuführung des für die Entleerung der unter den Abflußlöchern 14 angeordneten Weichspülmittel-Kammer (nicht dargestellt) benötigten Zulaufwas­sers dient.The opening 7 opposite the fresh water nozzle 3 belongs to a water guide channel 13 which serves to supply the inlet water (not shown) required for emptying the fabric softener chamber arranged under the drain holes 14.

Am Ende der durch die Trennwände 15 bis 18 begrenzten ersten Abschnitte 9 und 10 verzweigt sich der jeweilige Wasserführungskanal, wobei die weiteren Abschnitte als Kanalzweige 19 bis 22 parallel zum jeweils ersten Abschnitt 9 bzw. 10 liegen.At the end of the first sections 9 and 10 delimited by the partition walls 15 to 18, the respective water guide channel branches, the further sections lying as channel branches 19 to 22 parallel to the first section 9 and 10, respectively.

In den äußeren Randbereichen der Kanalzweige 19 bis 22 sind in einer Reihe hin­tereinander angeordnete Abflußlöcher 23 bzw. 24 vorgesehen. Das in den nicht dargestellten Waschmittelkammern lagernde Waschpulver wird von den die Abflußlö­cher 23 bzw. 24 durchfließenden Wasserstrahlen unterspült und vom Zulaufwasser durch die Vorkammer 5 in den Waschbehälter befördert.In the outer edge regions of the channel branches 19 to 22, drain holes 23 and 24 are provided in a row one behind the other. The washing powder which is stored in the detergent compartments (not shown) is rinsed by the water jets flowing through the drain holes 23 and 24 and is conveyed from the feed water through the antechamber 5 into the washing container.

Die in Fig. 3 in den Kanalabschnitten 10, 20 und 22 eingetragenen Symbole weisen entsprechend den Pfeilen in Fig. 1 und 2 auf die Fließrichtung des Zulaufwassers hin. In Fig. 3 sind ferner durch die Seitenwände 25 und die Trennwände 26 die un­ ter den Kanalabschnitten angeordneten Waschmittelkammern angedeutet.The symbols entered in channel sections 10, 20 and 22 in FIG. 3 indicate the direction of flow of the inlet water in accordance with the arrows in FIGS. 1 and 2. In Fig. 3 are further by the side walls 25 and the partition walls 26 the un ter the channel sections arranged detergent chambers indicated.

Bei der im dargestellten Ausführungsbeispiel strichpunktiert umkreisten Einzelheit 30 handelt es sich um den Verzweigungsbereich am Ende des ersten Kanalabschnittes 9 bzw. 10. In diesem Verzweigungsbereich ist gemäß der Erfindung ein Keil 27 ange­ordnet, der mit seiner Spitze 28 auf den Strom des zulaufenden Wassers im ersten Kanalabschnitt 9 bzw. 10 gerichtet ist. Diese Spitze teilt den Strom des zulaufenden Wassers eindeutig und ohne Wirbelbildung. Die Keilflächen, die im dargestellten Ausführungsbeispiel der Fig. 1 bis 3 bogenartig konkav geformt sind, leiten die Teil­ströme ebenfalls ohne Wirbelbildung in die anschließenden Kanalzweige 19 und 21 bzw. 20 und 22. Die hiermit erzielbare Beruhigung der Strömung und Vermeidung von Wirbeln geht einher mit einer Minderung der Fließgeräusche innerhalb der Kanä­le.The detail 30 encircled by dash-dotted lines in the illustrated embodiment is the branching area at the end of the first channel section 9 or 10. In this branching area, a wedge 27 is arranged according to the invention, the wedge 27 of which points at the flow of the incoming water in the first Channel section 9 or 10 is directed. This tip clearly divides the flow of the incoming water and without eddies. The wedge surfaces, which in the exemplary embodiment shown in FIGS. 1 to 3 are curved in a concave manner, also guide the partial flows without formation of eddies into the subsequent channel branches 19 and 21 or 20 and 22 a reduction in the flow noise within the channels.

Die Strömung kann im Verzweigungsbereich besonders laminar gehalten werden, wenn die Keilflächen entlang der Teilströme verlaufende Kehlrinnen aufweisen. Diese Ausführungsform macht die Fig. 4 deutlich, bei der ein Keil 27 in Höhe der Schnittlinie IV-IV in Fig. 1 geschnitten dargestellt ist. Aus dieser Darstellung ist ersichtlich, daß die Keilflächen 29 zusätzlich zu der konkav bogenartigen Gestaltung hohlkehlig ausgeformt sind,The flow can be kept particularly laminar in the branching area if the wedge surfaces have gutters running along the partial flows. This embodiment is shown in FIG. 4, in which a wedge 27 is shown in section at the section line IV-IV in FIG. 1. It can be seen from this illustration that the wedge surfaces 29 are shaped in addition to the concave, arch-like configuration,

Claims (3)

1. Waschmitteleinspüleinrichtung für eine Wäschebehandlungsmaschine, die ein einseitig offenes Gehäuse und eine durch diese Öffnung bewegbare Schublade mit mehreren oben offenen Kammern für Waschmittel und Waschhilfsmittel enthält, wobei im Deckel des Gehäuses über jeder Kammer der eingeschobe­nen Schublade ein an eine Frischwasserdüse anschließender und mit bodensei­tigen Abflußlöchern versehener Wasserführungskanal angeordnet ist, der aus einem ersten in Zulaufrichtung geführten und mindestens zwei daraus sich ab­zweigenden, gegen Zulaufrichtung geführte Kanalabschnitte aufweist, da­durch gekennzeichnet, daß am Ende des ersten Kanalabschnitts (9, 10) im Verzweigungsbereich (30) ein mit seiner Spitze (28) auf den Strom des zulaufenden Wassers gerichteter Keil (27) angeordnet ist.1. Detergent dispenser for a laundry treatment machine, which contains a housing that is open on one side and a drawer that can be moved through this opening and has several chambers for detergent and washing aids that are open at the top Provided water guide channel is arranged, which has a first in the feed direction and at least two branches branching from it, directed against the feed direction, characterized in that at the end of the first channel section (9, 10) in the branching area (30) with its tip (28 ) is directed towards the flow of the incoming water wedge (27). 2. Waschmitteleinspüleinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Keilflächen (29) bogenartig konkav geformt sind.2. Detergent dispenser according to claim 1, characterized in that the wedge surfaces (29) are arc-shaped concave. 3. Waschmitteleinspüleinrichtung nach Anspruch 1 oder 2, dadurch gekennzeich­net, daß die Keilflächen (29) entlang der Strömung verlaufende Kehlrinnen aufweisen.3. Detergent dispenser according to claim 1 or 2, characterized in that the wedge surfaces (29) have gutters running along the flow.
EP89102225A 1988-03-04 1989-02-09 Washing product dispenser Expired - Lifetime EP0330880B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3807181 1988-03-04
DE3807181A DE3807181A1 (en) 1988-03-04 1988-03-04 DETERGENT DISCHARGE DEVICE

Publications (3)

Publication Number Publication Date
EP0330880A2 true EP0330880A2 (en) 1989-09-06
EP0330880A3 EP0330880A3 (en) 1990-07-11
EP0330880B1 EP0330880B1 (en) 1992-07-22

Family

ID=6348911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89102225A Expired - Lifetime EP0330880B1 (en) 1988-03-04 1989-02-09 Washing product dispenser

Country Status (4)

Country Link
EP (1) EP0330880B1 (en)
DE (2) DE3807181A1 (en)
ES (1) ES2033470T3 (en)
HK (1) HK144095A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1607509A1 (en) * 2004-06-15 2005-12-21 Samsung Electronics Co., Ltd. Washing machine having detergent supply device
WO2010003961A1 (en) 2008-07-07 2010-01-14 Arcelik Anonim Sirketi Detergent box flushing arrangement for a washing machine
WO2012084487A1 (en) 2010-12-24 2012-06-28 Arcelik Anonim Sirketi A washing machine comprising a cleaning agent dispenser

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002968A1 (en) * 1990-02-01 1991-08-08 Bosch Siemens Hausgeraete DETERGENT DISCHARGE DEVICE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1398131A (en) * 1964-03-27 1965-05-07 Chalectro Soc Detergent dispenser for washing machine
DE1292120B (en) * 1965-07-30 1969-04-10 Scharpf Geb Kg Detergent dispensing device for washing machines
DE2813366C2 (en) * 1978-03-28 1986-04-10 Bosch-Siemens Hausgeräte GmbH, 8000 München Detergent dispensing device for a laundry treatment machine
DE2920000C2 (en) * 1978-05-30 1986-05-15 Domar, S.A., Martorellas Del Valles, Barcelona Device for dispensing detergents into the washing water of washing machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1607509A1 (en) * 2004-06-15 2005-12-21 Samsung Electronics Co., Ltd. Washing machine having detergent supply device
WO2010003961A1 (en) 2008-07-07 2010-01-14 Arcelik Anonim Sirketi Detergent box flushing arrangement for a washing machine
WO2012084487A1 (en) 2010-12-24 2012-06-28 Arcelik Anonim Sirketi A washing machine comprising a cleaning agent dispenser
CN103270211A (en) * 2010-12-24 2013-08-28 阿塞里克股份有限公司 A washing machine comprising a cleaning agent dispenser

Also Published As

Publication number Publication date
DE3807181C2 (en) 1993-07-15
DE3807181A1 (en) 1989-09-14
ES2033470T3 (en) 1993-03-16
EP0330880A3 (en) 1990-07-11
DE58901859D1 (en) 1992-08-27
HK144095A (en) 1995-09-15
EP0330880B1 (en) 1992-07-22

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