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. 26, 2019
Filed:
Nov. 22, 2011
Applicants:
Valerio Gerez, Yerres, FR;
Serge Blanchard, Melun, FR;
Inventors:
Valerio Gerez, Yerres, FR;
Serge Blanchard, Melun, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/00 (2006.01); F01D 7/00 (2006.01); F01D 21/04 (2006.01); G01H 1/00 (2006.01); F01D 21/00 (2006.01);
U.S. Cl.
CPC ...
F01D 21/045 (2013.01); F01D 21/04 (2013.01); F01D 21/003 (2013.01); G01H 1/006 (2013.01);
Abstract
A method and a system for monitoring an ephemeral event on a vane impeller of an aircraft engine are provided. The method includes: acquiring a time signal relating to movable vanes of the vane impeller; and detecting a disturbance in the time signal with respect to a reference time signal corresponding to a same flight phase, the disturbed time signal being indicative of an ephemeral event on said vane impeller. A system is provided to carry out this method.