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:
Dec. 04, 2012
Filed:
Jul. 06, 2009
David J. Hunt, Droitwich, GB;
Wesley J. Pearce, Derby, GB;
Robert Elliott, Derby, GB;
Rolls-Royce PLC, London, GB;
Abstract
A vibration damper () is disclosed for use in a turbomachine, the turbomachine comprising at least one turbine rotor () having a plurality of radially extending blades (). Each blade has an aerofoil (), a platform () and a stem (). The vibration damper () has a seal-region () which comprises a pair of sealing surfaces () configured for engagement with respective contact surfaces () provided on adjacent blade platforms (). The vibration damper () also has a mass-region () which is configured to extend radially inwardly from the seal-region () and to terminate at a position located between adjacent blade stems () (FIG.).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile