MUMBAI, India, July 11 -- Intellectual Property India has published a patent application (202521047904 A) filed by Pimpri Chinchwad College Of Engineering; Dr. Sanjay Salve; Mrs. Suvarna Kadam; Ms. Sharayu Patil; Ms. Geeta Shinde; and Ms. Saniya Shete, Pune, India, on May 18, for 'solar-assisted forced convection cooling system for earthen pots.'

Inventor(s) include Dr. Sanjay Salve; Mrs. Suvarna Kadam; Ms. Sharayu Patil; Ms. Geeta Shinde; and Ms. Saniya Shete.

The application for the patent was published on July 11, under issue no. 28/2025.

According to the abstract released by the Intellectual Property India: "A solar-assisted forced convection cooling system is disclosed for enhancing the performance of traditional porous earthen pots (102). The system comprises a centrally placed earthen pot (102) within a thermally-insulated, weather-resistant metal casing (104), topped with sloped solar panels (106) to power DC blowers (108). These blowers, positioned at the lower part of the casing (104), direct airflow toward the pot's surface to accelerate evaporation. An exhaust outlet (110) expels humid air, while a power management circuit (112) optimizes blower operation based on solar irradiance. The system achieves water cooling from ambient temperature to 7-10 C within 3 to 4 hours without external electricity. Additional enhancements include an evaporative cooling pad (114), IoT module (116), modular stackable frames, microcontroller-regulated airflow, energy storage units, and thermally optimized casing features. The invention provides a scalable, off-grid, and energy-efficient alternative to conventional cooling technologies, particularly suitable for rural and semi-urban applications."

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