MUMBAI, India, Aug. 1 -- Intellectual Property India has published a patent application (202527067471 A) filed by Enduce Ab, Umea, Sweden, on July 15, for 'a drain system and a shower or shower cabin.'
Inventor(s) include Hagman, Henrik; and Svenson, Gustav.
The application for the patent was published on Aug. 1, under issue no. 31/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a drain system (30) for recovering thermal energy from a flow of shower or faucet greywater. The drain system (30) comprises a first drain system inlet (32) for receiving greywater; a drain system outlet (136) for discharging greywater to a drain; and a heat exchanger (70) comprising a grey water inlet (72) arranged downstream of the drain system inlet (32), and a grey water outlet (74) arranged upstream of the drain system outlet (136), the heat exchanger being configured to heat a flow of incoming cold water with the greywater flowing from the grey water inlet (72) to the grey water outlet (74). The drain system (30) further comprises a second drain system inlet (133) for receiving greywater; a by-pass conduit (138) arranged downstream of the second drain system inlet (133) and upstream of the drain, the by-pass conduit (138) being configured to provide a greywater by-pass of the heat exchanger (70); and an indicator (20, 20') configured to indicate a flow of greywater bypassing the heat exchanger in the by-pass conduit (138)."
The patent application was internationally filed on Dec. 20, 2023, under International application No.PCT/EP2023/087024.
Disclaimer: Curated by HT Syndication.
