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:
Oct. 28, 2008
Filed:
Apr. 07, 2005
Joana Negulescu, Berlin, DE;
Peter Davison, Wünsdorf, DE;
Joana Negulescu, Berlin, DE;
Peter Davison, Wünsdorf, DE;
Rolls-Royce Deutschland Ltd & Co KG, Blankenfelde-Mahlow, DE;
Abstract
A turbine blade locking device axially retains a turbine blade () inserted in an axial, profiled slot () of a turbine disk (). The turbine disk () is provided with a locking groove () passing through the slot () and extending radially in the plane of the turbine disk (). A locking pin () is inserted in the locking groove () and the blade root () is provided at its bottom side with a notch () aligning with the locking groove (). A portion of an elastic element () is arranged radially below the locking pin () to pre-load the locking pin () in a radially outward direction and into the notch ().