EP2012645B1 - Dispositif de dosage - Google Patents

Dispositif de dosage Download PDF

Info

Publication number
EP2012645B1
EP2012645B1 EP07726844A EP07726844A EP2012645B1 EP 2012645 B1 EP2012645 B1 EP 2012645B1 EP 07726844 A EP07726844 A EP 07726844A EP 07726844 A EP07726844 A EP 07726844A EP 2012645 B1 EP2012645 B1 EP 2012645B1
Authority
EP
European Patent Office
Prior art keywords
reservoir
conveying tool
metering chamber
tool
flowable
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.)
Not-in-force
Application number
EP07726844A
Other languages
German (de)
English (en)
Other versions
EP2012645A1 (fr
Inventor
Arnd Kessler
Arno DÜFFELS
Karl-Heinz Hohenadel
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2012645A1 publication Critical patent/EP2012645A1/fr
Application granted granted Critical
Publication of EP2012645B1 publication Critical patent/EP2012645B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L15/4445—Detachable devices
    • 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
    • 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

Definitions

  • the present application is an apparatus for the dosing of flowable detergents and cleaners and the use of such devices for dosing flowable detergents and cleaners in the interior of a cleaning machine, preferably a dishwasher.
  • Detergents and cleaning agents and processes for their preparation are well known and thus widely described in the prior art. Usually, they are made available to the consumer in the form of spray-dried or granulated powder products or as liquid goods. Following the consumer's desire for simple dosing, in addition to these two classic variants, products in pre-portioned form have become established in the market and are also comprehensively described in the prior art, in particular compressed molded articles, ie tablets, blocks, briquettes and the like and packed in sachets Portions of solid or liquid detergents and cleaning agents are mentioned.
  • this dosage usually includes a series of operations, in addition to the selection of the desired detergent and cleaning agent also include the removal of an outer packaging and the insertion of the detergent and cleaning agent in the washing machine or dishwasher include. In many cases, the consumer is exposed to direct contact with the corresponding detergent and cleaner.
  • a detergent container is described with a melting closure, wherein the melting closure at a certain operating temperature melts whereby the Cleaning agent is released.
  • the closure of the container is not reusable, moreover, a multiple dosing with this system is not possible.
  • the DE 39 02 356 discloses a Dosier aside, which can also be used only for a wash cycle, and whose operating principle is also based on a temperature-dependent release of the detergent. By a resulting in increasing temperature overpressure in the dispenser a slide valve is moved to its open position and allows the exit of the detergent in the washing machine.
  • the present application was therefore based on the object to provide a metering device for the dosing of flowable detergents and cleaners, which allows the multiple dosing of detergents and cleaning agents.
  • This object has been achieved by a device for the dosing of flowable detergents and cleaners, comprising a, having an opening reservoir, a metering chamber and a movable conveying tool.
  • the reservoir of the device according to the invention is filled with a flowable detergent or cleaning agent.
  • a flowable detergent or cleaning agent As flowable detergents and cleaners, in addition to liquids, particulate detergents and cleaners are also referred to.
  • the flowable detergents and cleaners therefore also include powders, granules and extrudates in addition to the liquids, melts or gel (s). Tablets and tableted premixes are not covered by the term "flowable detergents and cleaners" according to the invention.
  • liquid in the present application denotes substances or substance mixtures as well as solutions or suspensions which are in the liquid state of matter.
  • the device according to the invention further comprises, in addition to the reservoir with opening, a metering chamber and a movable conveying tool.
  • the flowable detergent and cleaning agent is transported by the movable conveying tool through the opening of the reservoir from the reservoir into the metering chamber and finally passes from the metering chamber into the environment, preferably directly into the interior of a cleaning machine, or directly into the Washing liquor inside the cleaning machine.
  • the storage container, the metering chamber and the delivery tool form three separate separate individual parts of the device according to the invention.
  • the conveying tool has a conveying passage through which the flowable washing and cleaning agent can pass from the storage container into the metering chamber.
  • the first position at the temperature T1 of the reservoir, or the opening of the reservoir, and the metering chamber are interconnected by the conveying passage of the conveying tool and flowable detergent and cleaning agent can be conveyed from the reservoir into the metering chamber.
  • the promotion of the flowable detergent and cleaning agent from the reservoir into the metering chamber is preferably effected by the action of gravity on the flowable detergent and cleaning agent.
  • the reservoir is preferably in space above the metering chamber in use. In this first position, the metering chamber is filled with flowable washing and cleaning agent from the reservoir.
  • thermosensitive switch When the ambient temperature changes, preferably when the ambient temperature is raised to a temperature T2, a thermosensitive switch is activated which triggers a movement of the conveying tool.
  • This movement moves in addition to the conveying tool and the supply container and the metering chamber connecting conveyor.
  • the movement takes place in such a way that the connection between the storage container and metering chamber is interrupted and consequently no flowable detergent and cleaning agent can pass from the storage container into the metering chamber.
  • the delivery tool reaches the second position (metering position). In this position, the connection between the reservoir and metering chamber is interrupted, the opening of the reservoir is closed by the surface of the conveying tool.
  • the metering chamber Due to the change in the ambient temperature, the metering chamber is opened at the same time and in this way allows the flowable detergent and cleaning agent to escape into the environment, or the liquor can be admitted into the metering chamber.
  • the opening of the metering chamber can be effected directly or indirectly by the activation of the thermosensitive switch. But there is also the possibility that the metering chamber has an independent, preferably thermosensitive, second switch whose activation, for example by increasing the temperature, causes an opening of the metering chamber.
  • thermosensitive switch (s) When the ambient temperature is changed again, preferably when the ambient temperature drops, the thermosensitive switch (s) are reactivated and cause a second movement opposed to the first movement, in which the conveying tool returns to the first position (basic position) and closes the dosing chamber becomes.
  • the conveying tool is movable while the reservoir and the metering chamber are not movable.
  • the mass transfer between the reservoir and metering chamber is ensured by the movable conveying tool whose movement can be linear or in the form of a circular movement.
  • devices according to the invention have proven to be advantageous in which the delivery tool has an axis of rotation about which it rotates during the movement from the first position (basic position) to the second position (dosing position).
  • the metering chamber is integrated in the movable conveying tool.
  • the conveying path of the conveying tool and the metering chamber are basically identical.
  • Inventive devices for the dosing of flowable detergents and cleaners characterized in that the metering chamber is integrated in the movable conveying tool, are preferred according to the invention.
  • the metering chamber In the first position (basic position) at the temperature T1 of the reservoir, or the opening of the reservoir, and the metering chamber are connected together and flowable detergent and cleaning agent can be conveyed from the reservoir into the metering chamber.
  • the promotion of the flowable detergent and cleaning agent from the reservoir into the metering chamber is also effected in this embodiment, preferably by the action of gravity on the flowable detergent and cleaning agent. Consequently, in this case too, the storage container is preferably located spatially above the metering chamber in use. In this first position, the metering chamber is filled with flowable washing and cleaning agent from the reservoir.
  • thermosensitive switch When the ambient temperature changes, preferably when the ambient temperature is raised to a temperature T2, a thermosensitive switch is activated which triggers a movement of the conveying tool.
  • the metering chamber integrated in the conveying tool also moves. The movement takes place in such a way that the connection between the storage container and metering chamber is interrupted and consequently no flowable detergent and cleaning agent can pass from the storage container into the metering chamber.
  • the delivery tool reaches the second position (metering position).
  • thermosensitive switch (s) When the ambient temperature is changed again, preferably when the ambient temperature drops, the thermosensitive switch (s) are reactivated and cause a second movement opposed to the first movement, in which the conveying tool returns to the first position (basic position) and the dosing chamber again is connected to the reservoir.
  • the delivery tool and the metering chamber integrated into the delivery tool are movable while only the storage container is not movable.
  • the movement of the conveying tool in principle can be linear or in the form of a circular motion, here again in view of their reliability and error susceptibility such devices according to the invention are preferred in which the conveying tool has an axis of rotation about which it in the movement of the first position (basic position) in the second position (metering position) rotates.
  • the conveying tool has a specific density which is at least 0.1 g / cm 3 , preferably at least 0.2 g / cm 3 and in particular at least 0.4 g / cm 3 is below the density of the detergent to be dosed. If such a delivery tool with filled metering chamber is set in rotation by the activation of the thermosensitive switch, this rotational movement is enhanced due to the different density between the delivery tool and the filled metering chamber.
  • thermosensitive switch triggers the movement of the conveying tool from the first position, in which the metering chamber can be filled by accessing flowable washing and cleaning agent from the reservoir, in the second position, preferably at temperatures above 35 ° C, preferably above 40 ° C and particularly preferred at temperatures between 40 ° C and 70 ° C, most preferably at temperatures between 45 ° C and 65 ° C from.
  • the number of dosing steps during such a cleaning cycle can be determined depending on the temperature profile during the cleaning cycle. If the activation temperature is only exceeded once in the course of the cleaning cycle, the flowable detergent and cleaning agent is also metered only once during this cleaning cycle. However, if the activation temperature in the course of the cleaning cycle is exceeded twice, for example because a wash liquor cools between two heating periods by inflow of fresh water to a temperature below the activation temperature, the flowable detergent and cleaning agent is also dosed twice during this cleaning cycle, if the cooling is sufficient, to return the conveying tool in the first position (home position).
  • thermosensitive switch comprises a thermosensitive substance, or a thermosensitive substance mixture, which (s) when changing the Ambient temperature changes its room shape and / or its volume.
  • thermosensitive substances or substance mixtures have different external forms (spatial forms and / or volumes) at different temperatures and can be converted as often as desired into these different external shapes by alternating heating and cooling.
  • thermosensitive switch comprises a switching element which is in the form of a stretched wire at room temperature (20 ° C), which spirally contracts as the temperature increases to values above 40 ° C, to below 40 when the temperature drops ° C to return to its original stretched shape.
  • thermosensitive switch comprises a substance or a substance mixture whose volume, starting from its volume at room temperature (20 ° C.), increases more than 1.2 times when the temperature is raised to values above 40 ° C., preferably doubled by more than 1.5 times, and especially more than 2 times, but when cooled to room temperature, returns to its original value.
  • thermosensitive polymers for example shape memory polymers
  • shape memory alloys are used with particular preference as thermosensitive substances or substance mixtures.
  • bimetals metal strips are called from two layers of different, cohesively or positively connected materials. Characteristic is the change in the spatial shape with temperature change due to different expansion coefficients of the metals used. These metals may be, for example, zinc and steel or brass and iron.
  • Preferred bimetallic switches are characterized in that these switches deform at a temperature increase and with the attainment of an elevated temperature T2, but this deformation is not already below the temperature T2 but only when it falls below a temperature T3, which is above T1 but below T2, reversed. Even if the activation temperature T2 is undershot, the thermosensitive switch remains in the activated position in such an embodiment, whereby undesired multiple dosing of the flowable washing and cleaning agent can be avoided in cleaning cycles in which fluctuations in the temperature profile occur.
  • the shape memory alloys are metal alloys, which due to the Exposure of external stimuli, such as a change in temperature, are able to change their outer shape, with several 100,000 cycles of motion can be realized without striking fatigue.
  • the shape transformation is based on the temperature-dependent lattice transformation of two different crystal structures of a material. There is the austenite called high-temperature phase and the martensite called low-temperature phase. Both phases can merge into one another by temperature change (two-way effect).
  • the extrinsic two-way effect two types of shape return, the extrinsic two-way effect and the intrinsic two-way effect, can be distinguished.
  • an extrinsic two-way effect the shape return during cooling of a component, which is enforced by an externally acting (mechanical) force is called. This can for example be realized by a spring, which is stretched during heating.
  • the alloys can "remember" two forms of space, one at high and one at low temperature. In order for the component to resume its defined shape during cooling, it must be “trained” by thermo-mechanical treatment cycles.
  • Suitable materials are, for example, NiTi (nitinol), CuZn, CuZnAl, CuZnNi or FeNiAl.
  • the movement of the conveying tool from the first to the second position is caused exclusively by the change in the spatial form and / or the change in the volume of the thermosensitive substance or of the thermosensitive substance mixture.
  • devices according to the invention in which the change in the spatial form and / or the change in the volume of the thermosensitive substance or of the thermosensitive substance mixture merely initiate a movement which then is intensified, for example, by the action of gravity or by the action of an electric motor are also preferred becomes.
  • the device according to the invention is particularly suitable for the multiple dosing of flowable detergents and cleaners.
  • the device thus has a reservoir whose volume exceeds the volume of the metering chamber by a multiple.
  • Devices characterized in that the reservoir has at least 4 times, preferably at least 8 times, preferably at least 12 times and in particular at least 16 times the volume of the metering chamber, are particularly preferred.
  • the fillable void volume of the reservoir is preferably between 100 ml and 1000 ml, preferably between 100 ml and 800 ml and in particular between 100 ml and 600 ml.
  • the fillable void volume of the metering chamber is preferably between 10 and 50 ml, more preferably between 10 and 40 ml and especially between 10 and 30 ml.
  • the reservoir of the inventive devices are refillable.
  • Particularly preferred are those inventive devices in which the reservoir can be removed from the device and subsequently filled or replaced with a new, filled reservoir.
  • Preferred devices according to the invention are furthermore constructed in such a way that the penetration of moisture into the dosing chamber, but in particular into the reservoir, is avoided.
  • the openings of the reservoir and / or the metering chamber may be provided with, preferably elastic, sealing elements, with the help of which the device are sealed against the surrounding atmosphere, in particular in the region of the movable components.
  • the reservoir, the metering chamber and the delivery tool are housed in a common moisture-impermeable housing.
  • Inventive devices can be an integral part of a cleaning machine or subsequently introduced into the cleaning machine, for example in the interior of the cleaning machine.
  • Devices for retrofitting into the interior of a cleaning machine preferably have a holder or a fastening device, with the aid of which the device can be attached, for example, to the inside of the door, the side walls or the internals of the cleaning machine, in particular the dishwasher.
  • Another object of the present application is the use of an inventive Device for metering flowable detergents and cleaners into the interior of a cleaning machine, preferably a dishwasher.

Claims (5)

  1. Dispositif pour le dosage d'agent de lavage et de nettoyage, comprenant
    a) un récipient de stockage présentant une ouverture ;
    b) une chambre de dosage ; et
    c) un outil de transport mobile,
    le récipient de stockage, la chambre de dosage et l'outil de transport étant disposés de telle sorte que, lorsque l'outil de transport est dans une première position, la chambre de dosage peut être remplie par l'ouverture dans le récipient de stockage, alors que, lorsque l'outil de transport est dans la seconde position, l'ouverture du récipient de stockage est fermée par la surface de l'outil de transport, caractérisé en ce que la chambre de dosage est intégrée dans l'outil de transport mobile et l'outil de transport peut être déplacé de la première position dans la seconde position et le dispositif comprend également un commutateur thermosensible, qui déclenche le déplacement de l'outil de transport.
  2. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'interrupteur comprend un bimétal, une cire, un polymère thermosensible ou un alliage à mémoire de forme.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le récipient de stockage, la chambre de dosage et l'outil de transport sont logés dans un boîtier commun imperméable à l'humidité.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le récipient de stockage présente au moins 4 fois, de préférence au moins 8 fois, de préférence au moins 12 fois et de préférence au moins 16 fois le volume de la chambre de dosage.
  5. Utilisation d'un dispositif selon l'une quelconque des revendications précédentes pour le dosage d'agent de lavage et de nettoyage fluide dans l'espace intérieur d'une machine de nettoyage, de préférence d'un lave-vaisselle.
EP07726844A 2006-04-25 2007-03-13 Dispositif de dosage Not-in-force EP2012645B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006019603A DE102006019603A1 (de) 2006-04-25 2006-04-25 Dosiervorrichtung
PCT/EP2007/052339 WO2007122042A1 (fr) 2006-04-25 2007-03-13 Dispositif de dosage

Publications (2)

Publication Number Publication Date
EP2012645A1 EP2012645A1 (fr) 2009-01-14
EP2012645B1 true EP2012645B1 (fr) 2011-09-07

Family

ID=38039186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726844A Not-in-force EP2012645B1 (fr) 2006-04-25 2007-03-13 Dispositif de dosage

Country Status (9)

Country Link
US (1) US20090056760A1 (fr)
EP (1) EP2012645B1 (fr)
JP (1) JP2009534677A (fr)
KR (1) KR20080112329A (fr)
CN (1) CN101431932A (fr)
AT (1) ATE523135T1 (fr)
DE (1) DE102006019603A1 (fr)
ES (1) ES2370361T3 (fr)
WO (1) WO2007122042A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8557053B2 (en) 2008-11-26 2013-10-15 Electrolux Home Products, Inc. Actuator assembly and associated apparatuses
US10028635B2 (en) 2013-04-24 2018-07-24 Whirlpool Corporation Methods for dispensing a treating chemistry in a dishwasher
ES2533246B1 (es) * 2013-10-03 2015-11-30 Innovació I Recerca Industrial I Sostenible, S.L. Dispensador automático de detergente, en especial para lavavajillas
CN103543603A (zh) * 2013-10-28 2014-01-29 天津工业大学 一种高聚物纳米热压印装置
KR101617222B1 (ko) 2014-07-07 2016-05-03 고려대학교 산학협력단 리그노셀룰로스의 전처리 방법에 따른 최적 당화효소 혼합물 및 이의 제조방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601016A1 (de) * 1985-09-09 1987-03-19 Henkel Kgaa Reinigungsmittelbehaelter
ES2175283T3 (es) * 1996-10-25 2002-11-16 Unilever Nv Dispositivo de dispensacion.
DE19934592C2 (de) * 1999-07-23 2003-10-23 Benckiser Nv Vorrichtung zur Aufnahme und dosierten Abgabe einer aktiven Zusammensetzung in eine Waschmaschine, einen Wäschetrockner oder eine Geschirrspülmaschine
US20020088502A1 (en) * 2000-10-04 2002-07-11 Van Rompuy Tanya Cecile Corneel Smart dosing device
US7036800B2 (en) * 2002-04-08 2006-05-02 Ellis Earle R Automatically controlling the interaction of a medium with an external environment
US7270135B2 (en) * 2002-10-15 2007-09-18 Illinois Tool Works Inc. Dishwasher dispensing assembly actuator mechanism
GB2402604B (en) * 2003-06-10 2005-04-27 Reckitt Benckiser Nv Automatic washing machine detergent dispensing device

Also Published As

Publication number Publication date
EP2012645A1 (fr) 2009-01-14
US20090056760A1 (en) 2009-03-05
DE102006019603A1 (de) 2007-10-31
ES2370361T3 (es) 2011-12-14
KR20080112329A (ko) 2008-12-24
ATE523135T1 (de) 2011-09-15
CN101431932A (zh) 2009-05-13
WO2007122042A1 (fr) 2007-11-01
JP2009534677A (ja) 2009-09-24

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