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Method for operating a water-conducting domestic appliance with improved pump operation

A technology for household appliances and water volume, which is applied in the direction of household appliances, applications, washing machine control devices, etc., and can solve problems such as poor pump performance and reduced pump drive power

Active Publication Date: 2017-09-26
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to reduced pump drive power due to reduced density and further deterioration of pump performance due to separation of the two-phase mixture

Method used

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  • Method for operating a water-conducting domestic appliance with improved pump operation
  • Method for operating a water-conducting domestic appliance with improved pump operation

Examples

Experimental program
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Embodiment Construction

[0038] figure 1 The water-conducting domestic appliance according to the invention, which is designed as a washing machine 1 , is shown. figure 1 The washing machine 1 has a lye container 2 in which a drum 3 is rotatably mounted and can be driven by a drive motor 5 . For improved ergonomics, the axis of rotation 19 of the drum 3 is directed upwards at a small angle (for example 13°) from the horizontal, making it easier for the user of the washing machine 1 to reach and see the inside of the drum 3 . Through this arrangement, in the case of the interaction of the washing driver 14 and the suction device 17 for the aqueous detergent-containing liquid 7, for example washing lye, a flow of washing lye 7 is also achieved on the inner surface of the drum shell. Reinforced by wash 4.

[0039] Furthermore, the washing machine 1 has an lye feed system comprising a water connection fitting for a domestic water network 20, an electrically controllable valve 21 and a feed line 13 to th...

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PUM

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Abstract

The invention relates to a method for operating a water-carrying household appliance 1 with a lye container 2, a drum 3 for accommodating laundry items 4, a drive motor 5 for the drum, a speed-controlled pump 18 which is connected to the lye container 2 via a lye channel 23, Wherein a rotational speed np of the speed-controlled pump 18 is varied as a function of the density p of the conveying medium. (DE). The invention also relates to a water-conducting household appliance 1 suitable for carrying out the method.

Description

technical field [0001] The invention relates to a method for operating a water-conducting household appliance with a lye container, a drum for receiving washing, a drive motor for the drum, a speed-regulated pump and a control device, the speed-regulated The pump is connected with the lye container through the lye channel. Furthermore, the invention relates to a water-conducting household appliance suitable for carrying out the method. Background technique [0002] In a washing machine, the laundry is usually treated in a washing phase for cleaning by a washing lye comprising detergent. After a rinsing phase with water, in which washing lye and / or soils are removed in or on the laundry, the laundry is often also treated with a softener. After the washing phase has ended, a dehydration phase usually begins in washing appliances, in which the drum is driven by its drive motor through a defined rotational speed profile in one or more dehydration steps in order to dehydrate th...

Claims

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Application Information

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IPC IPC(8): D06F39/08D06F33/30
CPCD06F39/085D06F39/087D06F2103/20D06F2105/06D06F33/30
Inventor D·米施克R·勒默尔J·斯格里派克
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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