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:
Aug. 21, 2006
Dieter Brillert, Rodgau, DE;
Harald Hoell, Wächtersbach, DE;
Armin Hülfenhaus, Langenfeld, DE;
Claus Vögelin, Mülheim an der Ruhr, DE;
Dieter Brillert, Rodgau, DE;
Harald Hoell, Wächtersbach, DE;
Armin Hülfenhaus, Langenfeld, DE;
Claus Vögelin, Mülheim an der Ruhr, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
An arrangement is presented for axially securing rotating blades in a rotor, having a shaft collar on whose external circumference rotating blade securing grooves which extend in the axial direction of the rotor are provided. At one end side face of the shaft a projection is arranged in the region of the securing grooves, in which projection a circumferential groove which is open radially towards the outside is provided and said projection having securing grooves which are arranged in each rotating bade, sheet-metal-shaped sealing elements which each engage in the circumferential groove and in the securing groove and form an end side sealing ring in the circumferential direction being provided for axially securing the rotating blades, and at least one of the sealing elements comprising a sheet metal strip which is attached to said sealing ring in order to secure the sealing elements against displacement in the circumferential direction.