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Water supply device for automatic washing machine or dish washing machine

A technology for water distributors and washing machines, which can be applied to tableware washing machines/rinsing machines, other washing machines, etc. It can solve the problems of high price, complex mechanical system, and low reliability, and achieve fewer assembly parts and is suitable for manufacturing. , reliable effect

Inactive Publication Date: 2003-04-09
WHIRLPOOL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high price of the motor and its feedback control system, all known water distributors are costly
In addition, the mechanical system used to move the moving elements is rather complex and therefore not very reliable

Method used

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  • Water supply device for automatic washing machine or dish washing machine
  • Water supply device for automatic washing machine or dish washing machine
  • Water supply device for automatic washing machine or dish washing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] exist figure 1 shows a washing tub 10 of a washing machine in which a drum 12 is rotatably mounted. Water is supplied through a water pipe 14, and an on-off electric valve 16 is installed on the water pipe 14. An electromechanical or electric control unit 18 of the washing machine controls the valve. Water flows through a valve 16 and a water pipe 14 feeds water to a water distributor arrangement 20 controlled by a control unit 18 for delivering the water flow to different distributors 22 of detergent / bleach aid. exist figure 1 , arrows 21 schematically represent the different "directions" of water flow towards the distributor 22. The water flow entrains the detergent, and the mixture of water and detergent flows to the wash tub 10 . The liquid in the washing tub 10 is then drained by the pump 24 (after washing or rinsing).

[0019] figure 2 is a schematic diagram of an example of the water distributor of the present invention, in which the movement of the rod 26...

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PUM

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Abstract

A water distributor (20) for an automatic laundry or dishwashing machine, comprises a water inlet (14, 21) that is controllable by a programming device (18) of the machine and a movable element (26, 27) controllable by said programming device (18) which serves for supplying water to a predetermined detergent dispenser (22) for carrying a selected detergent towards the washing tub (10) according to the washing programme of the machine. The movable element (26, 27) is driven through a shape memory alloy wire (28, 28a, 28b, 28c) electrically connected to a drive circuit that is part of the programming device.

Description

technical field [0001] The invention relates to a water distributor for an automatic washing machine or dishwasher, comprising a water inlet controllable by the programming device of said machine, and a movable element also controlled by the programming device, which moves according to the machine's The wash program supplies water to one of the detergent or additive dispensers to supply detergent or additive to the wash tub. Background technique [0002] Known water distributors have a movable element, usually driven by an electric motor. The system works using an existing motor connected by a wire to an electromechanical or hybrid timer. For washing machines with electromechanical timers, the motor is already included in the system. For washing machines equipped with fully electronic controls, a motor to control water dispensing shall be added and a feedback component of the selected dispenser shall be required. [0003] The movable element can be a simple rod with a noz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F39/02
CPCD06F39/028
Inventor P·卡斯特利G·扎姆邦
Owner WHIRLPOOL CORP
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