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:
Jun. 30, 2009
Filed:
Dec. 20, 2005
Applicants:
Carlo Cortese, Prato, IT;
Paolo Bendinelli, Quattro Strade di Lavaiano-Lari, IT;
Vincenzo Vecchiarino, Florence, IT;
Maria Pilar Amoroso, Rome, IT;
Inventors:
Carlo Cortese, Prato, IT;
Paolo Bendinelli, Quattro Strade di Lavaiano-Lari, IT;
Vincenzo Vecchiarino, Florence, IT;
Maria Pilar Amoroso, Rome, IT;
Assignee:
Nuovo Pignone S.p.A., Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Vapor turbine operating with geothermal vapors containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of stator blades made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight to avoid the washing of the geothermal vapors, maintaining a high useful life of the series of stator blades and vapor turbine.