EP3468439A1 - Dosiervorrichtung für reinigungsmittel-formkörper in haushalts-geschirrspülmaschinen - Google Patents
Dosiervorrichtung für reinigungsmittel-formkörper in haushalts-geschirrspülmaschinenInfo
- Publication number
- EP3468439A1 EP3468439A1 EP17721393.1A EP17721393A EP3468439A1 EP 3468439 A1 EP3468439 A1 EP 3468439A1 EP 17721393 A EP17721393 A EP 17721393A EP 3468439 A1 EP3468439 A1 EP 3468439A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive cylinder
- cavity
- dosing device
- partitions
- cellular wheel
- 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.)
- Withdrawn
Links
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims description 49
- 239000003599 detergent Substances 0.000 claims description 42
- 230000001413 cellular effect Effects 0.000 claims description 35
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000036316 preload Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 22
- 239000003826 tablet Substances 0.000 description 21
- 230000032258 transport Effects 0.000 description 20
- 238000012546 transfer Methods 0.000 description 13
- 238000007789 sealing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009056 active transport Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000004851 dishwashing Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4463—Multi-dose dispensing arrangements
Definitions
- the present invention relates to a metering device for dispensing detergent moldings from a storage container into a washing compartment of a domestic dishwasher.
- a metering device for dispensing detergent tablets from a storage container into the useful space of a dishwashing machine in which a substantially impermeable seal is arranged between the storage container and the usable space.
- the storage container is designed to receive a loose bed of tablets and the lock has a transport device, for example in the form of a cellular wheel, for actively transporting the tablets through.
- the outer circumference of the cellular wheel and / or the inner circumference of the cavity in which the cellular wheel is running may be additionally provided with seals to ensure impermeability to wrinkles.
- the invention has for its object to provide a metering device for dispensing detergent moldings from a reservoir into a washing compartment of a domestic dishwasher, which allows a reliable automatic addition of detergent tablets for several successive rinses.
- the metering device has a cellular wheel for active transport of the detergent tablets from a reservoir into a washing compartment of a domestic dishwasher.
- the reservoir is designed to receive a bed of detergent moldings.
- the cell wheel is rotatably mounted in a cavity and has a plurality of transport chambers for receiving detergent moldings.
- the individual transport chambers are each separated by partitions from each other and the partitions are attached to a drive cylinder of the cell wheel.
- the partition walls are at least partially elastic and the radial extent of the partition walls is greater than the radial distance between the lateral surface of the drive cylinder and the inner walls of the cavity.
- detergent tablets is to be understood as meaning all tablets having a defined external shape which contain any ingredients which can be used for dishwashing, such as tablets, pellets, granules or capsules Rather, molded articles should also be encompassed which comprise addition agents for use in rinse cycles, for water softening or conditioning, etc.
- the reservoir is that region of the dosing device which contains the supply of detergent moldings It can be refillable or can also be exchangeable, for example in the form of a cartridge
- the reservoir is designed to receive a bed, in particular loose bed, of detergent tablets the storeroom lie randomly oriented and are not magazined in a given geometric arrangement.
- the inventive design of the reservoir for receiving a bed of detergent moldings allows easy storage even larger amounts of detergent moldings. A complicated magazine the tablets is not required.
- the active transport of the detergent tablets from the reservoir into the wash compartment causes a desired amount of detergent to be added reliably.
- Active transport means that the detergent moldings are transported under the influence of an external force.
- the drive cylinder of the cellular wheel and thus also the cell wheel by means of a drive unit, e.g. an electric motor, actively driven.
- the attachment of the partitions to the drive cylinder must be designed such that the radially projecting from the drive cylinder partitions are rotatably connected to the drive cylinder, so that they rotate with the drive cylinder.
- the partitions are formed integrally with the drive cylinder, but they can also be fixed by means of known fastening means on the drive cylinder.
- An inventively designed cellular wheel thus acts as a lock, which prevents the usual operation of the household dishwasher moisture from the washroom into the reservoir in a circumference penetrates, which leads to a restriction of the usability of the detergent tablets.
- the partition walls designed according to the invention can be applied to an inner wall of the cavity in a manner impermeable to wrinkles by means of a restoring force resulting from the elastic deformation.
- the design and in particular the radial extent of the partitions also affect the metering accuracy and the tendency of the detergent moldings to wedging, jamming or bridging.
- a surprisingly high dosing accuracy and a virtually complete avoidance of wedges, jamming or shaped body bridges can be achieved if the radial extent of the partitions increases the radial distance between the lateral surface of the drive cylinder and the inner walls of the cavity by 10% to 50%, in particular by 10% to Exceeds 30%.
- the partitions are elastic only in partial areas, which means in reverse that the remaining portions of the partitions are not elastic.
- the sealing forces acting on the inner surfaces of the cavity can be adapted optimally to the respective application and / or the respective environmental conditions both in the radial and in the axial direction.
- this advantage can also be achieved by virtue of the fact that the dividing walls each have partial areas with different elastic properties.
- the partitions in their, the drive cylinder remote end portions are formed elastically. In this way, the shearing forces acting on the partitions on the walls of the cavity can be minimized.
- the partitions in their, the drive cylinder remote end portions but also not be elastic.
- Such a design namely, improves the sliding properties of the partitions on the inner surfaces of the cavity and thus leads to an increase in the life.
- a further embodiment of the invention provides that support webs are attached to the drive cylinder, which are each associated with a partition and are configured and arranged such that an application of the partitions is prevented to the drive cylinder.
- the inclination of the partitions to such an application can in particular increase with increasing service life and would cause the sealing effect on the inner surfaces of the cavity is increasingly lower and / or even completely eliminated.
- the support bars thus help to ensure a permanently reliable sealing effect.
- the cellular wheel is compressible in an axial direction thereof.
- the bucket at least be made in sections of an elastically deformable material, such as a thermoplastic polyurethane.
- the cell wheel When compressed in the axial direction, the cell wheel may expand in a radial direction.
- the axial direction is preferably oriented parallel to a rotational axis of the drive cylinder or corresponds to this.
- the drive cylinder and / or the partition walls are compressible.
- a width of the cellular wheel in a state removed from the cavity is greater than a distance between two mutually opposite side walls of the cavity.
- the width is determined in particular in the axial direction.
- the metering device preferably comprises a housing in which the cavity is formed and in which the cellular wheel is received.
- the housing may comprise the side walls.
- the drive cylinder is rotatably mounted on the side walls.
- the cellular wheel is biased in each case with a biasing force against the side walls.
- the biasing force acts in the axial direction.
- Fig. 1 is a schematic perspective view of an embodiment of a household dishwasher
- FIG. 2 shows a schematic illustration of a first embodiment of a metering device according to the invention
- FIG. 3 shows a schematic detail of a second embodiment of a metering device according to the invention
- FIG. 4 is a schematic detail of a third embodiment of a metering device according to the invention.
- Fig. 5 is a schematic detail view of a fourth embodiment of a metering device according to the invention.
- the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.
- the dishwasher 1 shows a schematic perspective view of a household dishwasher 1.
- the dishwasher 1 has a receiving area in the form of a washing container 2, which is closed by a door 3, in particular waterproof.
- a sealing device can be provided between the door 3 and the washing container 2.
- the washing container 2 is preferably cuboid.
- the washing container 2 may be made of a steel sheet.
- the washing container 2 can be made at least in sections of a plastic material.
- the washing container 2 and the door 3 can form a washing compartment 4 for washing dishes.
- the washing container 2 can be arranged inside a housing of the dishwasher 1.
- the door 3 is shown in Fig. 1 in its open position. By pivoting about a provided at a lower end of the door 3 pivot axis 5, the door 3 can be closed or opened.
- the washing compartment 2 has a wall 6 with a bottom 7, a ceiling 8 arranged opposite the base 7, a rear wall 9 arranged opposite the door 3 and two side walls 10, 11 arranged opposite one another.
- the bottom 7, the ceiling 8, the rear wall 9 and the side walls 10, 1 1 can be made for example of a stainless steel sheet.
- the bottom 7 may be made of a plastic material.
- the dishwasher 1 further comprises at least one Spülgutability 12 to 14.
- Spülgutabilityn 12 to 14 may be provided, wherein these may comprise a lower basket 12, an upper basket 13 and / or a cutlery drawer 14.
- the plurality of Spülgutagen 12 to 14 are preferably arranged one above the other in the washing compartment 2.
- Each Spülgutability 12 to 14 is optional in the washing 2 in or out of this displaced.
- each Spülgutage 12 to 14 hineinschiebbar in an insertion direction E in the washing container 2 and opposite to the insertion direction E in an extension direction A from the washing container 2 can be pulled out.
- the dishwasher 1 also has a metering device 100.
- the metering device 100 is arranged in the example of FIG. 1 on the door 3, so that, when the door 3 is closed, it is aligned with the washing compartment 4. This advantageously makes it possible for the metering device 100 to be able to meter detergent molding into the washing compartment 4. The detergent moldings are then dissolved by the washing liquor located in the washing compartment 4.
- FIG. 2 shows a first embodiment of a metering device 100 according to the invention.
- Detergent shaped bodies 102 are located in a storage container 101.
- the storage container 101 tapers in its lower part and accordingly extends in a funnel shape toward a transfer opening 103.
- a cavity 104 At the transfer opening 103 in the direction of gravity joins a cavity 104, in which a rotatably mounted feeder 105 is arranged.
- the cellular wheel 105 has a drive cylinder 106, which is actively driven by a drive unit, not shown, in the form of an electric motor.
- the cellular wheel 105 also includes a plurality of transport chambers 107, which are each designed to receive a predetermined amount of detergent moldings 102.
- the transport chambers 107 are each separated by radially projecting from the drive cylinder 106 partitions 108 from each other.
- the partitions 108 are attached to the drive cylinder 106, preferably formed integrally therewith.
- cleaning agent shaped bodies 102 located in the storage container 101 are initially moved in the direction of the transfer opening 103 due to gravity and in this way fed to the cell wheel 105.
- a quantity of detergent tablets 102 delimited by the receiving volume of the transport chambers 107 falls from the storage container 101 through the transfer opening 103 into an empty transport chamber 107.
- this is exactly one detergent tablet 102.
- Dependent of the size of the detergent tablets 102 on the one hand and the receiving volume of the transport chambers 107 but of course also several detergent tablets 102 can be transported simultaneously in a transport chamber 107 and thus also metered in (see Fig. 3).
- the detergent moldings 102 are ejected through the discharge chute 109 located diametrically on the opposite side of the circumference of the cavity and fall from there into the washing compartment 4 of the household dishwasher 1.
- a lateral surface 110 of the drive cylinder 106 is radially spaced from inner walls 11 of the cavity 104 surrounding the cellular wheel 105. This distance is marked D in FIG.
- the partitions 108 of the cellular wheel 105 have a radial extent which is greater than the radial distance D between the lateral surface 1 10 of the drive cylinder 106 and the inner walls 1 1 1 of the cavity 104. Nevertheless, a rotational movement of the cell wheel 105 within the cavity 104 to permit, the partitions 108 are formed elastically at least in some areas.
- the partitions 108 are thereby elastically deformed during a rotational movement of the cellular wheel 105 and thus press with a restoring force (spring force) and thus sealingly, in particular wrasendicht, against the inner walls 1 1 1 of the cavity 104.
- the cellular 105 forms a wrasen Notice lock in this way, which means that during normal operation of the household dishwasher 1 moisture from the washing compartment 4 through the lock in the reservoir 101 can not or at most to penetrate to such an extent that the cleaning agent Shaped bodies 102 are not appreciably dissolved, stick together, clump together or the like.
- Fig. 3 shows a further embodiment of the metering device 100 according to the invention, wherein for reasons of clarity, the reservoir 101 is only partially shown. This differs from the embodiment shown in FIG. 2 only in that an axis of rotation 1 12 of the drive cylinder 106 is displaced in the direction of the reservoir 101 in comparison to an axis of symmetry 1 13 of the cavity 104.
- the receiving volume of the transport chambers 107 with increasing approach of the transport chamber 107 to the discharge chute 109 for ejecting the detergent tablets 102 becomes increasingly larger. This leads to a loosening of the detergent moldings 102 and consequently to an unimpeded movement of the cellular wheel 105 and to an optimal dosage, which in turn results in a good cleaning performance.
- detergent moldings 102 are shown in FIG. 3, which have a smaller diameter compared to the exemplary embodiment according to FIG.
- the displacement of the axis of rotation 1 12 of the drive cylinder 106 has the consequence that the radial distance between the lateral surface 1 10 of the drive cylinder 106 and the inner walls 1 1 1 of the cavity 104 is no longer constant, in order to achieve the desired sealing effect in this case Radial expansion of the partition walls 108 may be greater than the maximum radial distance D 'between the lateral surface 1 10 of the drive cylinder 106 and the inner walls 1 1 1 of the cavity 104th
- FIG. 4 A further embodiment of the metering device 100 according to the invention is shown in FIG. 4, wherein in turn the reservoir 101 is only partially shown.
- This embodiment differs from the embodiment shown in Fig. 2 only in that support webs 1 14 are provided, which are fixed to the drive cylinder 106, preferably formed integrally therewith.
- Each of the support webs 1 14 is in each case associated with a partition 108 and configured and arranged in such a manner that application of the partitions 108 to the drive cylinder 106 is prevented.
- the support webs 1 14 are arranged in the illustrated embodiment in an axial outer region of the drive cylinder 106, so that the detergent moldings 102 come to lie behind the support webs 1 14 as shown in FIG. 4 during transport.
- the support bars 1 14 can but arranged and designed in many ways. The decisive factor is that they on the one hand prevent application of the partitions 108 to the drive cylinder 106 and on the other hand but not hinder the transport of the detergent moldings 102.
- FIG. 5 A further development of the metering device 100 according to the invention, which can optionally be used in the above-described embodiments of the metering device 100 according to FIGS. 2 to 4, is shown in FIG. 5 in a schematic plan view, that is, viewed from the reservoir 101 the transfer opening 103 is shown.
- the metering device 100 comprises a housing 1 15, in which the cavity 104 is formed. In the housing 1 15, the feeder 105 is received.
- the cellular wheel 105 is disposed between two opposite side walls 1 16, 1 17 of the housing 1 15 and the cavity 104 and may be rotatably mounted on the side walls 1 16, 1 17.
- the cellular wheel 105 is compressible in an axial direction AR, which is oriented parallel to the axis of rotation 1 12.
- the cellular wheel 105 is at least partially made of an elastically deformable material.
- the side walls 1 16, 1 17 are spaced from each other by a distance a.
- the cellular wheel 105 has a width b which is larger than the distance a in a state removed from the housing 15, which is shown in dashed lines in FIG. 5 and designated by the reference numeral 105 '.
- the width b is larger by a fraction of a millimeter to a few millimeters than the distance a. If the cellular wheel 105 is installed in the housing 1 15 or in the cavity 104, this is at least partially compressed due to its elastic properties and presses on both sides with a biasing force FV against the side walls 1 16, 1 17. The feeder 105 is thus between the side walls. 1 16, 1 17 biased. As a result, it is also possible to achieve a seal-tight sealing of the transfer opening 103 in the axial direction AR. The rotatability of the cellular wheel 105 in the cavity 104 is not adversely affected thereby.
- the partition walls 108 are preferably arranged on the drive cylinder 106 that in the Orientation of Fig. 2 to 4 always right and left of the transfer opening 103, a partition wall 108 on the inner wall 1 1 1 of the cavity 104 sealingly abuts. Between the two on the inner wall 1 1 1 adjacent partitions 108 a protruding into the transfer opening 103 partition 108 is arranged. As a result, the transfer opening 103 is always sealed wrasendicht. In particular, with the help of the voltage applied to the inner wall 1 1 1 separating walls 108, a sealing of the transfer opening 103 in a radial direction. That is, in a direction oriented from the drive cylinder 106 to the transfer opening 103 direction. The radial direction or radial direction is oriented perpendicular to the axial direction AR.
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016210398.9A DE102016210398A1 (de) | 2016-06-13 | 2016-06-13 | Dosiervorrichtung für Reinigungsmittel-Formkörper in Haushalts-Geschirrspülmaschinen |
PCT/EP2017/060761 WO2017215833A1 (de) | 2016-06-13 | 2017-05-05 | Dosiervorrichtung für reinigungsmittel-formkörper in haushalts-geschirrspülmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3468439A1 true EP3468439A1 (de) | 2019-04-17 |
Family
ID=58669811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17721393.1A Withdrawn EP3468439A1 (de) | 2016-06-13 | 2017-05-05 | Dosiervorrichtung für reinigungsmittel-formkörper in haushalts-geschirrspülmaschinen |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190282061A1 (de) |
EP (1) | EP3468439A1 (de) |
CN (1) | CN109310265A (de) |
DE (1) | DE102016210398A1 (de) |
WO (1) | WO2017215833A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11019982B2 (en) | 2018-12-10 | 2021-06-01 | Midea Group Co., Ltd. | Multiple use detergent dispenser |
CN111345765B (zh) * | 2018-12-22 | 2024-05-14 | emz-汉拿两合有限公司 | 片剂配量系统和配备有这种片剂配量系统的用水的家用清洁装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE436582B (sv) * | 1980-08-11 | 1985-01-07 | Electrolux Ab | Automatisk doseringsanordning for pulverformiga rengoringsmedel i en tvett- eller diskmaskin |
NL9500254A (nl) * | 1994-11-18 | 1996-07-01 | Epenhuysen Chem Nv | Machinaal vaatwasproces. |
CN1210167A (zh) * | 1997-08-30 | 1999-03-10 | 岑深 | 洗衣机等的洗涤助剂供给装置 |
EP1159913B1 (de) | 2000-06-02 | 2004-08-18 | Chemische Fabrik Dr. Weigert GmbH & Co KG | Dosiereinrichtung für Geschirrspülreinigertabletten |
DE10058460A1 (de) * | 2000-11-23 | 2002-05-29 | Innotec Gmbh | Mehrfachdosierung für Wasch-/Reinigungs-/Klarspülmittel |
GB0101983D0 (en) * | 2001-01-25 | 2001-03-14 | Unilever Plc | Detergent dispenser system |
DE10127178A1 (de) * | 2001-06-05 | 2002-12-12 | Aeg Hausgeraete Gmbh | Dosiervorrichtung zum Dosieren von Reinigungsmittel-Einheiten für eine Geschirrspülmaschine oder eine Textilwaschmaschine |
US20040245279A1 (en) * | 2003-05-05 | 2004-12-09 | Bradley Tareasa L. | System for dispensing an active ingredient using a dispensable tablet, dispensable tablet and container for holding such dispensable tablets |
ITTO20070598A1 (it) * | 2007-08-10 | 2009-02-11 | Eltek Spa | Dispositivo dispensatore, particolarmente per apparati domestici |
DE102014210241A1 (de) * | 2014-05-28 | 2015-12-03 | BSH Hausgeräte GmbH | Reinigerkartusche, Reinigungsmitteldosiersystem und wasserführendes Haushaltsgerät |
-
2016
- 2016-06-13 DE DE102016210398.9A patent/DE102016210398A1/de not_active Withdrawn
-
2017
- 2017-05-05 WO PCT/EP2017/060761 patent/WO2017215833A1/de unknown
- 2017-05-05 CN CN201780036616.6A patent/CN109310265A/zh active Pending
- 2017-05-05 US US16/300,623 patent/US20190282061A1/en not_active Abandoned
- 2017-05-05 EP EP17721393.1A patent/EP3468439A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2017215833A1 (de) | 2017-12-21 |
US20190282061A1 (en) | 2019-09-19 |
CN109310265A (zh) | 2019-02-05 |
DE102016210398A1 (de) | 2017-12-14 |
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