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Washing water cycling device for washing machine and its control method

A washing water and water cycle technology, applied in the control device of washing machine, washing device, other washing machines, etc., can solve the problems of increasing electric energy consumption, increasing washing water consumption, etc.

Inactive Publication Date: 2008-01-09
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Therefore, in performing laundry, more wash water than necessary is supplied into the tub to operate the heater 12 and the pump normally, resulting in increased wash water consumption and also increased electric power consumption.

Method used

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  • Washing water cycling device for washing machine and its control method
  • Washing water cycling device for washing machine and its control method
  • Washing water cycling device for washing machine and its control method

Examples

Experimental program
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Embodiment Construction

[0045] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0046] 3 is a side sectional view of a drum type washing machine having a washing water circulation device according to a first preferred embodiment of the present invention.

[0047] As can be seen from Fig. 3, the drum type washing machine according to the first preferred embodiment of the present invention comprises: an outer casing 52 forming the drum type washing machine; 54 is suspended and supported, and at the same time, the lower end of the tub 56 is elastically supported by a damping assembly (not shown); the drum 58 is rotatably installed in the tub 56 for washing, rinsing and drying clothes; thus installed in the tub 56 A motor 60 at the rear, which connects the motor 60 to the drum 58, for rotating the drum 58; a heater 62 installed at the lower part of the tub 56, for heating wash water; and a pump assembly 70, which includes 64 is...

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PUM

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Abstract

Disclosed herein are a wash water-circulating apparatus for washing machines and a method of controlling the same. The wash water-circulating apparatus comprises a circulation channel connected between one side of a tub and the other side of the tub for allowing wash water to circulate therethrough, a pump assembly disposed on the circulation channel for forcibly circulating the wash water, and a water level sensor disposed at the pump assembly or on the circulation channel downstream of the pump assembly for measuring the water pressure of the wash water discharged from the pump assembly. According to the present invention, the minimum amount of the wash water necessary for the pump operation is used when the washing and rinsing processes are carried out, whereby the consumed amount of the wash water is decreased, and the operational reliability of the pump is improved.

Description

technical field [0001] The present invention relates to a washing machine including a drum washing machine, and more particularly to a washing water circulation device for the washing machine capable of circulating / spraying washing water in a tub to perform washing and rinsing operations. The present invention also relates to a control method of such a washing water circulation device for a washing machine. Background technique [0002] FIG. 1 is a perspective view of a conventional washing machine, especially a conventional drum type washing machine. [0003] As shown in FIG. 1 , a conventional drum-type washing machine includes: a housing 2 forming the outside of the drum-type washing machine; Supported, and at the same time, the lower end of the tub 6 is supported by a damping assembly (not shown); a drum (drum) 8 rotatably installed in the tub 6 for washing, rinsing and drying clothes; a motor 10 at the rear, which is provided to connect the motor 10 to the drum 8, for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06F39/08D06F39/04D06F33/02D06F23/02
CPCY02B40/56D06F39/087D06F39/083Y02B40/00D06F2103/18D06F33/62
Inventor 李泰喜洪尚郁崔炳杰徐贤锡全时汶
Owner LG ELECTRONICS INC