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Mixer Grinder
Mixer Grinder  
QUESTION: Dear Deirdre

http://en.wikipedia.org/wiki/DC_motor
http://www.flipkart.com/home-kitchen/kitchen-appliances/mixer-juicer-grinders/pr
http://www.philips.co.in/c/mixer-grinder/319515/cat/#filterState0=MIXER_GRINDER_
http://5starest.com/manuals/SB-138.pdf

Will it be feasible to design and manufacture a Mixer Grinder Electrical Appliance with rechargeable batteries as the source of power input and DC Motors part of the Appliance replacing the conventional 230 V Ac, 50 Hz primary input source ?.

If this is possible will this have a edge over the conventional Mixer Grinder electrical appliance in terms of price, safety, appliance operations, portability etc to the consumer ?.

Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

ANSWER: Cordless devices such as mixers, blenders, etc. are already being sold.
Here is one example, there are many others.
http://www.overstock.com/Sports-Toys/Coleman-Portable-Rechargeable-Blender/38290

---------- FOLLOW-UP ----------

Mixer Grinder
Mixer Grinder  
QUESTION: Dear Deirdre

Thank you.

Attached image for the design changes.

We have to calculate the Input Batteries Voltage (Volts) and
Current (Amperes) required for driving the D.C Motor and
calculating the Output Power (Watts).

Example
-------

Portable Mixer Grinder can be carried in a Car for making fresh watermelon,
apple, orange juices etc.

Do you have any suggestions , inputs regarding the design ?.

Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

Answer
The battery and motor are usually chosen first, for best efficiency, as well as cost. A higher voltage motor will tend to be more efficient, because there are fewer losses in the wire.

Choose the motor for the power requirements, then the battery voltage to provide that power, and the capacity of the battery for the amount of intended use between charges. Then the battery charger is chosen for the proper charge time.

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Deirdre Hebert

Expertise

I can answer most questions regarding electronic components, what they are and how to use them.

Experience

I worked for a number of years in the electronic component testing industry, designing and building automated test equipment for the electronic manufacturing industry.

Publications
Numerous technical manuals for the equipment we built.

Education/Credentials
UNH, CCAF and others

Past/Present Clients
General Electric, Motorola, Ford, Sensonor and others.

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