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:
Feb. 04, 2020
Filed:
Apr. 10, 2017
Mtu Aero Engines Ag, Munich, DE;
Markus Schlemmer, Mainburg/Sandelzhausen, DE;
Andreas Hartung, Munich, DE;
Karl-Hermann Richter, Markt Indersdorf, DE;
Herbert Hanrieder, Hohenkammer, DE;
MTU Aero Engines AG, Munich, DE;
Abstract
A guide vane segment for a turbomachine stage that has an inner ring segment () and a plurality of guide vanes (-) that are configured on the inner ring segment; at and/or in at least one detuning region (A; B) of the inner ring segment, that extends circumferentially in a portion of the inner ring segment that, from one end face () of the inner ring segment to an inner guide vane () that is circumferentially adjacent to an outermost guide vane () adjacent to the end face and/or extends at most over an outermost third of a length (L) of the inner ring segment bounded by an end face () of the inner ring segment, at least one cavity () is configured which contains at least one impulse element () with clearance of motion for providing impact contacts.