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. 04, 2022
Filed:
Apr. 16, 2018
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Cyrille Telman, Antony, FR;
Olivier Arnaud Fabien Lambert, Sceaux, FR;
Laurent Pierre Joseph Ricou, Melun, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01); F04D 29/52 (2006.01); F04D 29/68 (2006.01); F02C 7/28 (2006.01); F01D 5/22 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01); F01D 11/127 (2013.01); F02C 7/28 (2013.01); F04D 29/526 (2013.01); F04D 29/685 (2013.01); F01D 5/225 (2013.01); F05D 2220/323 (2013.01); F05D 2240/55 (2013.01); F05D 2250/283 (2013.01);
Abstract
A sealing ring element of a turbomachine includes: a sealing portion with a first area and a second area, with the inner surface of a first area being at the same radial distance from the axis of the turbomachine. The sealing portion includes an annular cavity which opens into an inner surface of the second area and extends into the first area, the annular cavity defining an upstream lateral wall and/or a downstream lateral wall forming an angle which is strictly between 0 and 90°.