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. 28, 2014
Filed:
Nov. 30, 2009
Pierre-alain Masserey, Wuerenlos, CH;
Rolf Hunziker, Dintikon, CH;
Benedikt Wanner, Fislisbach, CH;
Christoph Gerber, Rheinfelden, CH;
Pierre-Alain Masserey, Wuerenlos, CH;
Rolf Hunziker, Dintikon, CH;
Benedikt Wanner, Fislisbach, CH;
Christoph Gerber, Rheinfelden, CH;
Alstom Technology Ltd, Baden, CH;
Abstract
A turbomachine includes a turbine stage having a plurality of blades including a first and a second blade disposed adjacent to each other, each blade having a radial longitudinal axis and a blade tip and configured to twist around the radial longitudinal axis in an operating state in a twist direction, wherein the first and the second blades are pretwisted in a direction of twist in a non-operating state, and wherein a connecting element interconnects the first and the second blades to each other in a circumferential direction in a region of the respective blade tip so as to maintain the pretwisting.