The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2022
Filed:
Oct. 23, 2015
Automatic ring valve, shutters for automatic ring valves, and method for manufacturing said shutters
Nuovo Pignone Srl, Florence, IT;
Pierluigi Tozzi, Florence, IT;
Iacopo Giovannetti, Florence, IT;
Alberto Babbini, Florence, IT;
Francesco Buffa, Florence, IT;
NUOVO PIGNONE SRL, Florence, IT;
Abstract
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.