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:
Nov. 08, 2011
Filed:
Dec. 12, 2008
Antoine Robert Alain Brunet, Moissy Cramayel, FR;
Claude Chomel, Maisse, FR;
Sebastien Juste, Saint Fargeau Ponthierry, FR;
Emmanuel Houradou, Paris, FR;
Dominique Raulin, Saint Fargeau Ponthierry, FR;
Frederic Renault, Ballancourt, FR;
Julien Sedlak, Paris, FR;
Antoine Robert Alain Brunet, Moissy Cramayel, FR;
Claude Chomel, Maisse, FR;
Sebastien Juste, Saint Fargeau Ponthierry, FR;
Emmanuel Houradou, Paris, FR;
Dominique Raulin, Saint Fargeau Ponthierry, FR;
Frederic Renault, Ballancourt, FR;
Julien Sedlak, Paris, FR;
SNECMA, Paris, FR;
Abstract
The invention relates to a turbomachine module comprising a device to improve radial clearances, comprising an outer casing (), an inner casing () and at least one shock absorbing ring () connecting the casings, the module also comprising an annular cavity () on the downstream side of the ring (), with a passage () formed in it through which an airflow () is drawn off from the primary flow (Fp). According to the invention, the device to improve radial clearances comprises a thermal inertia control device for the shock absorbing ring mounted on the shock absorbing ring (), downstream from it, this device comprising at least one coat of thermal insulation (), and at least partly delimiting the annular cavity () on the downstream side of it ().