MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617063879 A) filed by Nuovo Pignone Tecnologie - S. R. L. on May 20, 2026, for An Expander Including Inner Rings Supporting Stationary Blades.
Inventors include Fabbrini, Marco; Tognarelli, Leonardo; Boncinelli, Marco; and Pupeschi, Simone.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The expander (1) comprises an outer casing (3) and an inner casing (5) housed in the outer casing. A plurality of annular arrays of stationary blades (17) are housed in the inner casing. A rotor (11) is housed in the inner casing for rotation therein. The rotor comprises a rotation axis and a plurality of annular arrays of rotor blades (15) surrounding the rotation axis. Each annular array of rotor blades is arranged downstream of a respective one of said annular arrays of stationary blades and forms a respective expander stage therewith. The stationary blades (17) of each annular array of stationary blades are mounted on one respective ring (18) housed in the inner casing. Each ring is in axially oriented pressure contact with two adjacent rings or with one adjacent ring (18) and the inner casing (5). A cooling fluid gap (61) is formed between the rings and the inner casing.
Disclaimer: Curated by HT Syndication.
