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. 08, 2008
Filed:
Nov. 30, 2004
Giuseppe Sassanelli, Florence, IT;
Giuseppe Sassanelli, Florence, IT;
Nuovo Pignone Holding S.p.A., Florance, IT;
Abstract
Variable nozzle () for a gas turbine fixed to a shaft () equipped with a pressurized upper surface () and a depressurized lower surface () opposite to the upper surface (), the variable nozzle comprises a series of substantially 'C'-shaped sections, each having a first rounded end () and a second rounded end (), each section of the series of sections also having the concavity facing upwards with respect to a base () and arranged one after another continuously, in the direction of an axis of the shaft () along a curved line (), the at least second degree curved line () lies on a surface () having an axis orthogonal to the axis of the shaft () and also tilted with respect to the base () by an angle ().