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.:

US 9840923 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 12, 2017

Filed:

Aug. 22, 2013
Applicant:

Siemens Aktiengesellschaft, Munich, DE;

Inventors:

Stephen Batt, Lincoln, GB;

Richard Bluck, Welton, GB;

David Butler, Nottingham, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 9/02 (2006.01); F01D 5/08 (2006.01); F01D 5/14 (2006.01); F01D 5/18 (2006.01); F01D 5/28 (2006.01); F01D 1/04 (2006.01);
U.S. Cl.
CPC ...
F01D 9/023 (2013.01); F01D 1/04 (2013.01); F01D 5/08 (2013.01); F01D 5/14 (2013.01); F01D 5/18 (2013.01); F01D 5/288 (2013.01); F01D 9/04 (2013.01); F01D 9/041 (2013.01); Y10T 29/49321 (2015.01);
Abstract

A guide vane arrangement of a gas turbine and a method of manufacturing a guide vane arrangement of a gas turbine are provided herein. The guide vane arrangement includes a first guide vane device including a first radially inner platform and a first number of first airfoils, and a second guide vane device including a second radially inner platform and a second number of second airfoils. The first guide vane device and the second guide vane device are arranged along a circumferential direction of the turbine, wherein the first number of the first airfoils differs to the second number of the second airfoils. The first guide vane device is designed with a higher heat resistance than the second guide vane device.


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