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:
Oct. 24, 2017
Filed:
Dec. 06, 2012
Rotary machine including a machine rotor with a composite impeller portion and a metal shaft portion
Applicant:
Nuovo Pignone S.p.a., Florence, IT;
Inventors:
Peggy Lynn Baehmann, Glenville, NY (US);
Scott Roger Finn, Niskayuna, NY (US);
Andrea Massini, Florence, IT;
Iacopo Giovannetti, Florence, IT;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/26 (2006.01); F01D 5/02 (2006.01); F01D 5/04 (2006.01); F02C 6/12 (2006.01); F04D 29/02 (2006.01); F04D 29/20 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 5/025 (2013.01); F01D 5/048 (2013.01); F01D 5/282 (2013.01); F02C 6/12 (2013.01); F04D 29/023 (2013.01); F04D 29/026 (2013.01); F04D 29/20 (2013.01); F04D 29/266 (2013.01); F05D 2230/23 (2013.01); F05D 2300/10 (2013.01); F05D 2300/603 (2013.01);
Abstract
A rotary machine includes a machine stator and a machine rotor rotatable relative to the machine stator and having a metal shaft portion, a composite impeller portion, and at least a first metal ring portion securing the composite impeller portion to the metal shaft portion, the metal ring portion having a first interface with the composite impeller portion and a second interface with the metal shaft portion.