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.

Date of Patent:
Apr. 11, 2023

Filed:

Jun. 23, 2022
Applicant:

Doosan Enerbility Co., Ltd., Changwon, KR;

Inventors:

Igor Tsypkaykin, Baden, CH;

Stefan Emanuel Martin, Baden, CH;

Wade Beaumont, Baden, CH;

Joerg Krueckels, Baden, CH;

Willy H Hoffmann, Baden, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/22 (2006.01); F01D 5/26 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/145 (2013.01); F01D 5/225 (2013.01); F05D 2220/30 (2013.01); F05D 2240/30 (2013.01);
Abstract

A blade for a turbo machine is provided. The blade for a turbo machine includes an airfoil body extending in a radial direction and including a suction side surface and a pressure side surface opposite to the suction side surface with respect to a circumferential direction extending across the radial direction, and a snubber structure including a first snubber element protruding in the circumferential direction from the suction side surface of the airfoil body and a second snubber element protruding in the circumferential direction from the pressure side surface of the airfoil body, wherein the first snubber element is connected to the suction side surface of the airfoil body by a concave curved first transition portion having a first radius, and the second snubber element is connected to the pressure side surface of the airfoil body by a concave curved second transition portion having a second radius, the first radius being smaller than the second radius.


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