MUMBAI, India, Oct. 31 -- Intellectual Property India has published a patent application (202517093550 A) filed by Nuovo Pignone Tecnologie - S. R. L., Florence, Italy, on Sept. 29, for 'an expander with a pre-heating system and method.'
Inventor(s) include Fabbrini, Marco; Ragni, Giacomo; and Tognarelli, Leonardo.
The application for the patent was published on Oct. 31, under issue no. 44/2025.
According to the abstract released by the Intellectual Property India: "The expander comprises a casing including an outer casing and an inner casing. The inner casing is arranged in the outer casing and houses at least one set of annularly arranged stationary blades. The expander further includes at least a first annular fluid chamber between the inner casing and the outer casing. The inner casing has a peripheral wall having an outer surface facing the annular fluid chamber and an inner surface. A rotor is at least partly housed in the inner casing and is provided with at least one set of annularly arranged rotor blades, and preferably a plurality of sets of annularly arranged rotor blades, for instance between four and twelve sets of rotor blades, each arranged downstream of a respective set of annularly arranged stationary blades. The expander further includes a pre-heating arrangement, adapted to preheat the inner casing and cause thermal expansion thereof at expander start-up."
The patent application was internationally filed on Mar. 27, 2024, under International application No.PCT/EP2024/025138.
Disclaimer: Curated by HT Syndication.
