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:
Aug. 02, 2016
Filed:
Dec. 20, 2012
Applicant:
Nuovo Pignone S.p.a., Florence, IT;
Inventors:
Nicola Mitaritonna, Florence, IT;
Giuseppe Vannini, Montecatinito, IT;
Assignee:
NUOVO PIGNONE S.P.A., Florence, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/20 (2006.01); F01D 25/00 (2006.01); F01D 11/12 (2006.01); F04D 29/10 (2006.01); F16J 15/44 (2006.01); F04D 29/16 (2006.01);
U.S. Cl.
CPC ...
F01D 25/00 (2013.01); F01D 11/127 (2013.01); F04D 29/102 (2013.01); F04D 29/164 (2013.01); F16J 15/444 (2013.01); F05D 2240/125 (2013.01); F05D 2240/55 (2013.01); F05D 2250/283 (2013.01); Y10T 29/49826 (2015.01);
Abstract
A seal for a turbo machine is provided. The seal includes a plurality of honeycomb cells, at least one circumferential groove within the plurality of honeycomb cells, and at least one swirl brake within the at least one groove.