MUMBAI, India, June 22 -- Intellectual Property India has published a patent application (202641064917 A) filed by Prof. Piyush Pant; Prof. Monica Sharma; Fathima Samana Saidoddin; Girija Umashankar; Dayananda Sagar Academy Of Technology And Management; Jagrati Jain; Monish S.; and Arjuna B. on May 22, 2026, for A Bernoulli Principle-Based Funnel Apparatus For Passive Ventilation And Thermal Conditioning.

Inventors include Prof. Piyush Pant; Prof. Monica Sharma; Fathima Samana Saidoddin; Girija Umashankar; Dayananda Sagar Academy Of Technology And Management; Jagrati Jain; Monish S.; and Arjuna B..

The application for the patent was published on June 12, 2026, under issue no. 24/2026.

Abstract: The present invention relates to a Bernoulli principle-based funnel apparatus for passive ventilation and thermal conditioning. Further, the present invention relates to a passive ventilation and evaporative cooling apparatus utilizing Bernoulli's Principle for airflow acceleration and thermal conditioning. The apparatus comprises a primary air intake funnel frame, porous clay funnel modules, a drip irrigation system, and a water storage tank. Each clay funnel module includes an external diameter of approximately 15 cm, an internal diameter of approximately 5 cm, and a height of approximately 11 cm. As ambient air passes through the converging clay funnel geometry, airflow velocity increases and pressure decreases, thereby enhancing passive ventilation. Simultaneously, water distributed through the drip irrigation system maintains the clay surfaces in a moist condition, enabling evaporative cooling of the airflow before entering the indoor space. The invention provides an energy- efficient passive cooling and ventilation solution suitable for sustainable architectural applications.

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