Washing machine with water control and associated method

A washing machine and water level technology, applied in the field of washing machines, can solve the problems of energy waste of heating water, wrong reset or adjustment, and inability to estimate the proper water filling level, etc.

Inactive Publication Date: 2005-08-10
EMERSON ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, often users fail to accurately estimate the proper fill level for each laundry load or reset or adjust the water level incorrectly
This can result in wasted water resources and wasted energy for heating water

Method used

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  • Washing machine with water control and associated method
  • Washing machine with water control and associated method
  • Washing machine with water control and associated method

Examples

Experimental program
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Embodiment Construction

[0017] The following preferred embodiments are illustrative in nature and are not intended to limit the invention, its application or use.

[0018] figure 1 and figure 2 One embodiment of a washing machine 100 according to the invention is shown. The washing machine includes a housing 110 , an inner tub 102 and an outer tub 104 . The inner tub 102 includes perforations 107 through which water flows from the outer tub 104 into the inner tub 102 . The inner tub includes an agitator 106 connected to a motor and transmission system 108 . The washing load 112 is introduced into the inner tub 102 for washing.

[0019] refer to figure 1 and Figure 4 , the washing machine includes a console 116 with a user-operable control panel 114 . Console 116 overlays controller 118 , which includes microprocessor 120 , stored memory 140 and timer 142 . The controller 118 receives user inputs 122 via the control panel 114, including wash cycle selections and wash cycle adjustments, such ...

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PUM

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Abstract

An automatic washing machine with water level control and associated method. In one embodiment, the washing machine comprises a tub for receiving a load of clothes, a water level sensor taking water level measurements during a water fill stage, and a controller. The controller controls a water valve that introduces water into the washing machine. The controller comprises a timer, a memory and a microprocessor. The microprocessor accesses a signature fill rate of the washing machine when unloaded, receives water level measurements from the sensor during the fill stage, and determines a measured fill rate. The microprocessor compares the measured fill rate to the signature fill rate and shut off the water valve when the measured fill rate is substantially equal to the signature fill rate.

Description

technical field [0001] The present invention relates to a washing machine with water level control and related methods. Background technique [0002] Most household appliances, such as washing machines and dishwashers, are equipped with water storage devices that include water level control. These devices may require user input of a selected cycle type or cycle duration or estimate of water level required based on load. [0003] Conventional maximum load washing machines include, for example, a fixed or variable pressure switch to determine the water level at which the washing machine is filled. In a variable pressure switch, the user can control and vary the fill level each time the washing machine is used by selecting a setting on the associated dial. However, often the user fails to accurately estimate the proper fill level for each laundry load or incorrectly resets or adjusts the water level. This can result in wasted water resources and wasted energy for heating wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F23/04D06F33/34D06F39/08
CPCD06F39/087D06F2204/086D06F33/02D06F33/34D06F2103/18D06F2105/02
Inventor M·T·克劳泽
Owner EMERSON ELECTRIC CO
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