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This section contains details of grassroots innovations related to domestic utilities.

Natural Water Cooler

Name of the inventor : Mr Arvindbhai Patel, Gujarat

About the invention

The "Natural Water Cooler" is a low cost, energy efficient, environment friendly water cooler that is based on the principle of heat exchange. It cools water naturally according to the external temperature and humidity.The technology has tremendous potential in dry and hot climatic conditions (i.e. tropical) and where electricity is not available. The use of copper tubes for flow of water has health benefits too.

Technical specification

  • Water Storage Capacity: 100 l, 150 l
  • Water Cooling capacity: 65 to 70 l/hr
  • Weight: 65 kg (150 l)
  • Overall Dimensions: 30”×30”×80”
  • Structure made of Stainless Steel 304
  • Blower with solar panel: 12 V DC

For more information, click here.

Non-stick Earthenware

Name of the innovator : Mr Mansukhbhai Prajapati, Gujarat

About the invention

This tawa is a combination of traditional and modern technology - clay tawa with food grade non-stick material. Food grade non-stick coating prevents food from sticking at bottom and ensures healthy food. Clay adds/generates a unique natural taste to the food.

For more information, click here.

Source: National Innovation Foundation

Mahender jakhar Aug 18, 2017 01:57 PM

if we apply grasses of cooler into the window and connect pipe of water tank through it and when train starts inside we feel cool and we use water also by reuse it again through small water storage tank under train window.......

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