MUMBAI, India, March 28 -- Intellectual Property India has published a patent application (202517023524 A) filed by Hitachi Industrial Equipment Systems Co. Ltd., Tokyo, on March 17, for 'compressed air energy storage device and heat pump device.'
Inventor(s) include Koyama Masaki; Chiba Kotaro; and Nagata Shuhei.
The application for the patent was published on March 28, under issue no. 13/2025.
According to the abstract released by the Intellectual Property India: "This compressed air energy storage device comprises: a compressor that is driven by an electric motor and compresses air; a first heat exchanger that heats a heat storage medium through heat exchange with compressed air compressed by the compressor; a pressure accumulating ta...