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:
Mar. 06, 2018
Filed:
Mar. 08, 2013
Applicant:
Snecma, Paris, FR;
Inventors:
Arnaud Jean-Marie Pierrot, Moissy-Cramayel, FR;
Serge Rene Morreale, Moissy-Cramayel, FR;
Assignee:
SNECMA, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/18 (2006.01); F16J 15/40 (2006.01); F16J 15/42 (2006.01); F16J 15/54 (2006.01); F16J 15/34 (2006.01); F02C 3/067 (2006.01); F02C 7/28 (2006.01); F01D 11/02 (2006.01);
U.S. Cl.
CPC ...
F01D 25/183 (2013.01); F02C 3/067 (2013.01); F02C 7/28 (2013.01); F16J 15/34 (2013.01); F16J 15/40 (2013.01); F16J 15/42 (2013.01); F16J 15/54 (2013.01); F01D 11/02 (2013.01); F05D 2240/55 (2013.01); Y10T 29/4932 (2015.01);
Abstract
A device for sealing the coaxial shafts of a turbomachine includes an annular seal able to perform sealing by contact with the outer shaft, and a lubricating device to lubricate the region of contact between the annular seal and the outer shaft.