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:
Jul. 14, 2009
Filed:
Sep. 14, 2005
Applicants:
Manuele Bigi, Florence, IT;
Piero Iacopetti, Pistoia, IT;
Alessandro Ciani, Florence, IT;
Inventors:
Assignee:
Nuovo Pignone S.p.A., , IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Protection device for a stator of a turbine comprising a series of annular sectors () which can be coupled by connection means, each sector () comprising a first side surface () which has at least one cavity () equipped with a bottom (), each bottom () of the at least one cavity () is convex and each sector () comprises at least one stiffening rib () positioned inside the at least one cavity (14) and having a variable section in a longitudinal direction to modulate the rigidity of each sector ().