Nuovo Pignone Srl

Nuovo Pignone Tecnologie Srl

Francesco Buffa

Pierluigi Tozzi

Alberto Babbini

Leonardo Tognarelli

Iacopo Giovannetti

Riccardo Bagagli

Marco Santini

An automatic ring valvecomprising a valve seatprovided with a plurality of gas flow passagesarranged according to at least one annular row, at least a shuttercomprising at least one ring-shaped portion for selectively closing and opening the gas flow passages, wherein said ring-shaped portion of the shuttercomprises a fiber-reinforced matrix, at least one contrasting member for contrasting an opening movement of ring-shaped portion of the shutter, wherein said ring-shaped portion of the shuttercomprises a structural coreA made by said fiber-reinforced matrix, and wherein at least a portion of said structural coreA is covered by at least one primary layerB, designed to improve fracture and/or impact and/or wear resistance of said ring-shaped portion.

Automatic ring valve, shutters for automatic ring valves, and method for manufacturing said shutters

An automatic ring valve comprising a valve seat provided with a plurality of gas flow passages arranged according to at least one annular row, at least a shutter comprising at least one ring-shaped portion for selectively closing and opening the gas flow passages, wherein the ring-shaped portion of the shutter comprises a fiber-reinforced matrix, at least one contrasting member for contrasting an opening movement of ring-shaped portion of the shutter, wherein the ring-shaped portion of the shutter comprises continuous fibers, at least some of the fibers developing for at least 360&#xb0; of the annular development of the ring-shaped portion.

Automatic ring valve shutters for automatic ring valves and method for manufacturing said shutters

Growing community of inventors

Florence, Italy

Francesco Buffa