MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641050548 A) filed by Easwari Engineering College, Chennai, Tamil Nadu, on April 21, for 'thermoelectric power generation system using waste heat from air conditioner condensers.'

Inventor(s) include Thavasilingam K; Stephen Thirumaraiselvan K; Vasanthavasan S; and Vishnu Priyan R.

The application for the patent was published on May 1, under issue no. 18/2026.

According to the abstract released by the Intellectual Property India: "A portable, vertically-oriented thermoelectric power generation system (200) for direct-use applications. The system features a layered assembly with thermoelectric modules (101) sandwiched between a hotside plate (100) and a cold-side plate (102). A unique composite cooling system, comprising an evaporative sponge (103) and a finned heat exchanger (104), efficiently creates a large temperature differential by dissipating heat from the cold-side plate. When placed beside a radiant heat source (201) like a campfire, the system generates electricity that is converted by a DCDC converter (301) into a stable 5V USB output (302). The invention provides a simple, robust, and battery-less power solution for charging low-power devices in off-grid environments."

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