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:
Sep. 14, 2010
Filed:
Dec. 22, 2004
Applicant:
Carlo Bacciottini, Siena, IT;
Inventor:
Carlo Bacciottini, Siena, IT;
Assignee:
Nuovo Pignone Holding S.p.A., Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disk of a disk rotor for a gas turbine comprising a central portion (), an intermediate portion (), an outer portion (), a series of axial pass-through holes () for a series of tie rods and a series of slots () for housing a corresponding series of vanes, the central portion () comprises a central axial pass-through hole (), a first collar () situated at a first end and a second collar () situated at a second end of the central portion (). The series of holes () is positioned in the outer portion () of the disk so as to obtain high dynamic characteristics of the rotor and at the same time a sufficient useful life thereof.