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:
May. 24, 2016
Filed:
Dec. 07, 2010
Nuo Sheng, Schenectady, NY (US);
Roderick Mark Lusted, Niskayuna, NY (US);
Vittorio Michelassi, Scandicci, IT;
Nuo Sheng, Schenectady, NY (US);
Roderick Mark Lusted, Niskayuna, NY (US);
Vittorio Michelassi, Scandicci, IT;
Nuovo Pignone S.p.A., Florence, IT;
Abstract
A sealing system for a centrifugal compressor includes a stator having a seal, a seal disposed in the seal housing and having an abradable portion along an inner circumference, a rotor having a plurality of rotor teeth configured to rotate within the inner circumference of the seal and configured to create rub grooves within the abradable portion, and a first spring disposed between the stator and the seal and configured to facilitate axial movement of the seal relative to the seal housing.