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:
Sep. 19, 2017
Filed:
Oct. 08, 2013
Applicant:
Snecma, Paris, FR;
Inventors:
Sebastien Tajan, Sucy en Brie, FR;
Christophe Jacquemard, Hericy, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/08 (2006.01); F01D 1/26 (2006.01); F01D 7/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/081 (2013.01); F01D 1/26 (2013.01); F01D 7/00 (2013.01); Y02T 50/672 (2013.01); Y02T 50/676 (2013.01);
Abstract
The main aim of the invention is a propeller () for a turboengine () comprising a plurality of blades () and a blade support ring () provided with housings (), each receiving a pivot () bearing the foot () of one of said blades (), characterized in that at least one of the pivots () is equipped with at least one counterweight system () provided with at least one inner channel () for airflow ventilation discharge (F, F) for capturing and guiding said airflow directly in contact with the blade foot () borne by said at least one of the pivots ().