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:
Jan. 06, 2015
Filed:
Nov. 28, 2011
Applicant:
Stéphane Hiernaux, Waremme, BE;
Inventor:
Stéphane Hiernaux, Waremme, BE;
Assignee:
Techspace Aero S.A., Milmort, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01);
Abstract
The present invention relates to a pressure seal () of a turbomachine stator, said seal () comprising a first abradable surface opposite a rotor portion of the turbomachine and a second surface in contact with an inner shroud () of the stator, said seal () comprising a plurality of component units (), each component unit () having, on its first abradable surface, a circumferential step () creating an obstacle in the circumferential direction of the inner shroud ().