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:
Apr. 18, 2006
Filed:
May. 10, 2002
Applicants:
Marc Berthillier, Yerres, FR;
Yvon Cloarec, Echouboulans, FR;
Eric Seinturier, Chartrettes, FR;
Inventors:
Assignee:
Snecma Moteurs, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of reducing vibration in a structure comprising at least one rotor () and a fixed set of sources of disturbance () liable to give rise to disturbances in the fluid flow () that cause the rotor to vibrate, the method comprising a step of distributing the fixed sources of disturbance angularly in non-uniform manner so as to reduce the amplitude of excitation as seen by the rotor, and a step which consists in verifying that the maximum amplitude of a response of the rotor to the excitation is obtained by: