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:
Oct. 18, 2011
Filed:
Jun. 20, 2007
Emmanuel Houradou, Paris, FR;
Herve Hulin, Tivernon, FR;
Sebastien Juste, Saint Fargeau Ponthierry, FR;
Dominique Raulin, Ponthierry, FR;
Emmanuel Houradou, Paris, FR;
Herve Hulin, Tivernon, FR;
Sebastien Juste, Saint Fargeau Ponthierry, FR;
Dominique Raulin, Ponthierry, FR;
SNECMA, Paris, FR;
Abstract
A bearing for a turbomachine variable pitch stator vane pivot mounted in a bore of the turbomachine casing is disclosed. The bearing includes an inner bushing secured to the pivot and an outer bushing secured to the bore. An elastomeric material is inserted between the inner bushing and the outer bushing to allow the vane to pivot about its axis and absorb at least some of the flexing of the pivot at right angles to the axis. The design makes it possible to reduce bearing bushing wear.