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.

Date of Patent:
Jan. 24, 2017

Filed:

Oct. 08, 2014
Applicant:

Snecma, Paris, FR;

Inventors:

Serge Rene Morreale, Guignes, FR;

Arnaud Jean-Marie Pierrot, Le Mee sur Seine, FR;

Assignee:

SNECMA, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/44 (2006.01); F16J 15/40 (2006.01); F01D 11/02 (2006.01); F01D 11/04 (2006.01); F16J 15/447 (2006.01); F16J 15/453 (2006.01); F16J 15/16 (2006.01);
U.S. Cl.
CPC ...
F01D 11/04 (2013.01); F01D 11/02 (2013.01); F01D 11/025 (2013.01); F16J 15/164 (2013.01); F16J 15/447 (2013.01); F16J 15/4472 (2013.01); F16J 15/453 (2013.01); F16J 15/40 (2013.01);
Abstract

One of the components (), opposite a labyrinth seal (), is arranged sliding on a conical interface () of its support () and constructed from a material with different thermal expansions, so as to reduce the clearance with the component face to face (), at steady state, at high temperature. The sealing surface () may be assured by a circulation of oil.


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