MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517091570 A) filed by Saint-Gobain Centre De Recherches Et D'Etudes Europeen, Courbevoie, France, on Sept. 24, for 'glass furnace monitored by electrical reflectometry.'
Inventor(s) include Cabodi, Isabelle Anne; Citti, Olivier; Consales, Thierry; Lopez, Emile; and Low, Zi Kang.
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: "The invention relates to a glass furnace comprising a device for monitoring, by time-domain or frequency-domain electrical reflectometry, the condition of a part of the furnace (30), comprising an array of wire-like electromagnetic waveguides (12), extending parallel to the hot face (37) and at a suitable distance such that, in use, the waveguide is at a temperature of greater than 500 C and less than 1300 C, and comprising a plurality of discontinuities, referred to as "basic discontinuities" (24), which are: - randomly distributed at least along the measurement part of the waveguide, and - capable of generating echoes having an amplitude of greater than 0.5%, preferably greater than 1% and less than 30%, of the amplitude of the back echo reflected by the output end of the waveguide, referred to as "secondary basic echoes", or consisting of reliefs, or reliefs resulting from uneven segmentation of a dielectric material positioned between the first and second electrical conductors, or from local variations in the distance between the first and second electrical conductors or the distance between the first electrical conductor and/or the second electrical conductor on the one hand and a dielectric material of a support on the other hand, or from variations in the structure and/or the composition of the environment around the first and second electrical conductors or between the first and second electrical conductors, the number of basic discontinuities being greater than 10 per metre of the measurement part of the waveguide. The discontinuities can be beads (23)."
The patent application was internationally filed on Mar. 29, 2024, under International application No.PCT/EP2024/058808.
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