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Metering system for use in conjunction with a water-conducting household appliance such as a washing machine, dishwasher, clothes dryer or the like

a technology for metering systems and household appliances, which is applied in the direction of domestic applications, other washing machines, textiles and paper, etc., can solve the problems of natural limits to this approach to solving problems, and the quantity of ingredients used per washing and cleaning cycle cannot be increased

Inactive Publication Date: 2013-02-21
HENKEL KGAA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a washing machine that uses a piezoelectric element to detect and suppress malodors and prepare the washed items for cleaning. The element can also spray a preparation onto the items after the washing program to further protect them from bacteria or modify their textile surface. The piezoelectric element can also function as an acoustic or vibration sensor and an atomizer or nebulizer in a single component. Overall, the patent describes a washing machine that has improved efficiency and effectiveness in cleaning and odor control.

Problems solved by technology

However, since new ingredients are only available to a limited extent and the quantity of the ingredients used per washing and cleaning cycle cannot be increased at will for environmental and economic reasons, there are natural limits to this approach to solving the problem.

Method used

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  • Metering system for use in conjunction with a water-conducting household appliance such as a washing machine, dishwasher, clothes dryer or the like
  • Metering system for use in conjunction with a water-conducting household appliance such as a washing machine, dishwasher, clothes dryer or the like
  • Metering system for use in conjunction with a water-conducting household appliance such as a washing machine, dishwasher, clothes dryer or the like

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0171]Example 1 shows in the following table a first assignment of products to three reservoirs and / or chambers of a reservoir. The first chamber is here constructed as the enzyme chamber, the second chamber as the bleach chamber and the third chamber as the scent chamber. Further components of respective chambers are stated in the following table.

[0172]Chamber 1 has a substantially neutral pH value between 6 and 8, chamber 2 has a substantially alkaline pH value of 8-12, preferably of 8-11, particularly preferably of 8-10, and chamber 3 has a substantially neutral pH value of between 6 and 8.

[0173]Chamber 1 is dispensed in a time interval immediately at the start until 15 min after the start of a washing program. The second chamber is dispensed between 10 and 30 min after the start of a washing program, it being preferred for release from the first chamber and the second chamber not to proceed simultaneously.

[0174]It is moreover preferred for there to be a time interval of 0.5-30 m...

example 2

[0176]Example 2 differs from Example 1 in that chamber 3 additionally contains a component for improving soft handle in the form of at least one surfactant, preferably a cationic surfactant. Suitable polymers may alternatively or additionally be used as textile-softening compounds.

Chamber 1Chamber 2Chamber 3EnzymeXEnzyme stabilizerXBleachXSurfactantXXComplexing agentXScentXSaltXXWaterXXXSolventXpH6-88-126-8Dispensing time0-15 min10-30 minAfter start ofa rinse section

example 3

[0177]Example 3 differs from Example 1 in that chamber 3 additionally contains an antimicrobial compound, for example a disinfectant. In this connection, an acidic pH value of 1-3 is established in chamber 3.

Chamber 1Chamber 2Chamber 3EnzymeXEnzyme stabilizerXBleachXSurfactantXComplexing agentXScentXSaltXXWaterXXXSolventXAntimicrobial compoundXpH6-88-121-3Dispensing time0-15 min10-30 minAfter start ofa rinse section

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Abstract

A dispensing system includes at least one reservoir for storing a plurality of flowable preparations, at least one dispenser, which is couplable with a reservoir and which does not include any connection to a water-conveying line of the water-conveying domestic appliance, at least one sensor, which at least detects the presence of water in the water-conveying domestic appliance and / or the operation of the water-conveying domestic appliance, at least one pump or vibratory atomizer for delivering or releasing preparation from the reservoir or dispenser, at least one control unit, which cooperates with the sensor and the pump or vibratory atomizer such that, if a defined sensor signal is present, at least one preparation is delivered from the reservoir or dispenser, and at least one fluid line, which connects the reservoir or the dispenser with the treatment compartment of the water-conveying domestic appliance, such that a preparation may be supplied from the dispenser positioned outside the treatment compartment of the water-conveying domestic appliance.

Description

FIELD OF THE INVENTION[0001]The present invention generally relates to a dispensing system for use in conjunction with a water-conveying domestic appliance such as a washing machine, dishwasher, washer / dryer or the like, which system is intended for positioning outside the treatment compartment of the water-conveying domestic appliance and which does not comprise any connection to a water-conveying line of the water-conveying domestic appliance. In particular, the invention relates to a dispensing system with at least one fluid line which connects the dispensing system with the treatment compartment of the water-conveying domestic appliance via an orifice which is connected with the treatment compartment.BACKGROUND OF THE INVENTION[0002]Automatic washing and dishwashing agents are available to consumers in numerous presentations. These automatic washing and dishwashing agents are typically offered for sale to the consumer in solid form, for example as a powder or as tablets, but inc...

Claims

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Application Information

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IPC IPC(8): D06F33/00D06F35/00
CPCD06F39/022D06F39/02D06F2103/22D06F33/37D06F2105/42
Inventor BRUECKNER, ERIKKESSLER, ARNDNITSCH, CHRISTIAN
Owner HENKEL KGAA
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