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:
Jan. 31, 2012
Filed:
Feb. 04, 2005
Carsten Butz, Munich, DE;
Werner Humhauser, Moosburg, DE;
Patrick Wackers, Baldham, DE;
Walter Waschka, Puchheim, DE;
Moritz Wirth, Munich, DE;
Carsten Butz, Munich, DE;
Werner Humhauser, Moosburg, DE;
Patrick Wackers, Baldham, DE;
Walter Waschka, Puchheim, DE;
Moritz Wirth, Munich, DE;
MTU Aero Engines GmbH, Munich, DE;
Abstract
A damping arrangement for guide vanes, in particular for guide vanes of a gas turbine or an aircraft engine, is disclosed. Referring to this damping arrangement, the radially external ends of the guide vanes of a guide vane grid or a guide vane ring are mounted to a housing. The radially internal ends of the guide vanes form an inner shroud. At least one seal bearing is mounted to the inner shroud of the guide vanes. At least one spring element is installed between the inner shroud of the guide vanes and the, or each, seal bearing. The, or each, spring element is configured as a leaf spring.