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Domestic appliance having fan and flow channel

A technology of household equipment, flow channels, applied in the field of household equipment with fans and flow channels

Pending Publication Date: 2022-06-24
VORWERK & CO INTERHOLDING GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Taking this prior art as a starting point, the technical problem to be solved by the present invention is therefore to improve a domestic appliance of the type described in such a way that the noise emitted by the fan is optimally reduced while at the same time as little as possible due to sound-reducing measures Adverse effect on suction power

Method used

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  • Domestic appliance having fan and flow channel
  • Domestic appliance having fan and flow channel
  • Domestic appliance having fan and flow channel

Examples

Experimental program
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Embodiment Construction

[0017] figure 1 First, a domestic appliance 1 in the form of a floor treatment appliance is shown, here, for example, a vacuum cleaner guided manually by a user. The household appliance 1 has a handle 12 by means of which the user can guide the household appliance 1 on the surface to be cleaned in order to suck suction material, ie dust and / or dirt, into the suction material chamber 8 . The household appliance 1 has an electrically driven fan 3 , which sucks the suction material from the suction opening 7 into the suction material chamber 8 . The suction material is filtered out of the intake air by means of filter elements 11 which are assigned to the suction material chamber 8 , so that only clean air continues to flow to the fan 3 . In the flow direction, behind the fan 3 , ie on the pressure side of the fan 3 , is the flow channel 5 , which leads towards the outlet opening 4 . The outlet opening 4 is located on the wall of the appliance housing 2 of the domestic applianc...

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PUM

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Abstract

The invention relates to a domestic appliance (1), in particular a floor treatment appliance, comprising an appliance housing (2), a fan (3) arranged in the appliance housing (2), an outlet opening (4) formed in the appliance housing (2) downstream of the fan (3) in the flow direction, and a flow channel (5), in which sound waves are generated by the fan (3), the sound waves cause resonance in the flow channel (5) which is characterized by standing waves generated between mutually opposite inner walls (10) of the flow channel (5) which fluidically connects the outlet opening (4) to the fan (3).

Description

technical field [0001] The invention relates to a domestic appliance, in particular a floor treatment appliance, having an appliance housing, a fan arranged in the appliance housing, a fan in the flow direction, which is formed in the appliance housing behind the fan. an outlet opening and a flow channel which connects the outlet opening in a fluid-conducting manner with a fan, wherein sound waves are generated by the fan and cause a resonance in the flow channel, which is characterized by the fact that the flow Standing waves generated between the opposing inner walls of a channel. Background technique [0002] Home appliances of the aforementioned type are known in the prior art. The household appliance is, for example, a floor treatment appliance, in particular a suction cleaning appliance, with a fan for suctioning dust and dirt from the surface to be cleaned. The aspirate is usually transferred by means of a fan into the aspirate chamber and collects there, while the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47L9/00
CPCA47L9/0081A47L5/24G10K11/162G10K11/172
Inventor A.内扎米
Owner VORWERK & CO INTERHOLDING GMBH