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:
May. 28, 2013
Filed:
Apr. 08, 2010
Applicants:
Wolfgang Kappis, Fislisbach, CH;
Luis Federico Puerta, Rieden, CH;
Marco Micheli, Schoeffisdorf, CH;
Inventors:
Wolfgang Kappis, Fislisbach, CH;
Luis Federico Puerta, Rieden, CH;
Marco Micheli, Schoeffisdorf, CH;
Assignee:
Alstom Technology Ltd, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosure provides blades, and the modification thereof, for stages 18-22 of an axial compressor wherein the blades have reduced susceptibility to tip cracking. The blades and blades manufactured by the provided method have a thickened profile that results in reduced stress in response to multi frequency impulses and can have increased frequency response of the chord wise bending mode.