MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517072087 A) filed by Lumileds Holding B. V., Schiphol, Netherlands, on July 29, for 'a scent switching mechanism for fragrance diffuser which is capable for multiple fragrance cartridges.'

Inventor(s) include Zhao, Keyong; Cai, Chen; Khan, Miqdad Ali; Yan, Xiaomin; and Hu, Jiandong.

The application for the patent was published on Oct. 10, under issue no. 41/2025.

According to the abstract released by the Intellectual Property India: "A scent switching mechanism is provided. The scent switching mechanism includes air guides, an outer barrel, and an inner barrel rotatable within the outer barrel. An angle disc is fixed to the inner barrel. The inner and outer barrels include sets of air inlets and sets of air outlets that align with the air guides to form air circuits based on a position of the inner barrel and the angle disc with respect to the outer barrel. Further, an aroma device can include a fragrance cartridge and the scent switching mechanism. The fragrance cartridge includes a case with a cavity and ventilation holes. A gasket is on an exterior of the case and surrounds the ventilation holes. A solid state fragrance is contained with the cavity. The fragrance cartridge includes a cover that closes the case and secures the solid state fragrance within the cavity."

The patent application was internationally filed on Jan. 31, 2023, under International application No.PCT/CN2023/074003.

Disclaimer: Curated by HT Syndication.