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. 21, 2009
Filed:
Dec. 22, 2004
Applicants:
Remo Tacconelli, Ponsacco, IT;
Stefano Mantellassi, Lamporrecchio, IT;
Inventors:
Remo Tacconelli, Ponsacco, IT;
Stefano Mantellassi, Lamporrecchio, IT;
Assignee:
Nuovo Pignone Holding S.p.A., Florence, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vane system for a centrifugal compressor (), comprising two rows () of vanes (') installed in series inside a suction duct (), the first row () of fixed vanes (′) being suitable for homogenizing the gas flow that passes through them and sending it to the second row () of adjustable vanes (′) equipped with a guiding mechanism comprising a mechanical system () suitable for varying the orientation of the vanes (′).