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Domestic appliance having a surface which comprises a photocatalyst

A technology for household appliances and photocatalysts, which is applied in the parts, applications, and household appliances of tableware washing machines/rinsing machines.

Active Publication Date: 2012-05-09
BOSCH SIEMENS HAUSGERATE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] It is also known to modify semiconductors of this type by doping or similar adjustments with elements such as carbon, boron, nitrogen, phosphorus, sulfur, chlorine, arsenic, selenium, bromine, antimony, tellurium and iodine, resulting in an increase in the wavelength of light required for photocatalysis

Method used

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  • Domestic appliance having a surface which comprises a photocatalyst
  • Domestic appliance having a surface which comprises a photocatalyst
  • Domestic appliance having a surface which comprises a photocatalyst

Examples

Experimental program
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Embodiment Construction

[0046] like figure 1 The illustrated extractor dryer 1 comprises a drum 2 rotatable about a horizontal axis as a drying chamber, inside which drum an agitator 21 is fastened for moving the laundry during the rotation of the drum. The stirrer 21 is molded, in particular injection molded, of a thermoplastic polymer including titanium dioxide in anatase form as a filler (for photocatalysts and polymers, see image 3 Reference numerals 43 and 44 in). Titanium dioxide is produced in powder form and adhered to a polymer. The titanium dioxide can be doped with carbon so that it can be activated by visible light as a photocatalyst. It should be noted that the use of titanium dioxide as a filler is quite common, but said fillers are sometimes chemically inactivated, preventing a photocatalytic effect, which is quite undesirable in applications otherwise. In the case of the present invention, care must therefore be taken not to use the latter type of non-activatable titanium dioxide....

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Abstract

The invention relates to a domestic appliance (1, 6) comprising at least one component (7, 21, 24) which has a surface (38) that can be exposed to organic dirt. Said surface (38) comprises a photocatalyst (43) and said surface (38) is associated with a photoradiation source (39, 41) for irradiating the photocatalyst (43) with activating electromagnetic radiation. The surface (38) consists of a primarily shaped first material (44) in which the photocatalyst (43) is dispersed.

Description

technical field [0001] The invention relates to a household appliance having at least one part comprising a surface capable of being enriched with organic dirt, said surface comprising a photocatalyst, and said surface being associated with a light radiation source for radiation with activating electromagnetic rays The photocatalyst. Background technique [0002] Household appliances of this type are disclosed by patent publications JP 11-123299, JP 11-137894 and JP 11-137881, respectively. Thus, the washing liquid container and the washing drum contained therein, rotatable about a vertical axis and coated with a photocatalyst layer, are arranged in the washing machine and a movable UV light source is provided, by means of which each The layer can be irradiated with UV light to activate the photocatalyst. That part of the cleaning drum which can shield the photocatalyst layer from the photoradiation source can be made of a radiation-transparent material. [0003] In gener...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F39/00A47L15/42
CPCA47L15/42D06F39/00A61L9/205D06F35/008
Inventor A·阿诺I·舒尔策H·埃格迈尔H·绍布
Owner BOSCH SIEMENS HAUSGERATE GMBH