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Electronics/Detergent Powder feed mechanism in Automatic Washing machine.

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Question
Dear ZZ

http://en.wikipedia.org/wiki/Washing_machine

Is the Detergent / Bleach or Washing powder feed mechanism also
automated in Automatic washing machine ?.

As a example 2 kg or 1 kg or 500 gm Detergent powder is feed and kept in the Washing machine box. The consumer can select the number of detergent powder Tablespoons i.e.  1 or 2 or 3 etc to be feed for the washing purpose by selecting the Input Number button on the washing machine.

Or

The Washing machine intelligently feeds the amount of detergent powder required for washing depending upon the total number of clothes inside the machine.


Thanks & Regards,
Prashant S Akerkar

Answer
It is a problem with powder detergents due to the humidity level during wash cycle which causes the powder to cake and not release in subsequent washings.

In the USA most users are using liquid detergents which would be okey for storage in the wasing machine cavities.

Technology to do so is easy.  I do not know of any auto feed based machines on the market yet.

Maybe this patent would be of interest to you:

http://www.google.com/patents/US3160317  

Electronics

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ZZ

Expertise

Electronics questions about AC, DC and digital theory.

Experience

Graduate electrical engineer with over 40 years in electronic design, manufacturing, project organization and patent review. Experience in fields of industrial and consumer electronics (audio, video, acoustics, etc.)

Organizations
IEEE (Institute of Electrical and Electronics Engineers); Senior Life member AES (Audio Engineering Society), Fellow Life member

Education/Credentials
BSEE University of North Dakota

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