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:
Dec. 17, 2019
Filed:
Oct. 06, 2017
Applicant:
Ansaldo Energia Switzerland Ag, Baden, CH;
Inventors:
Assignee:
ANSALDO ENERGIA SWITZERLAND AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/14 (2006.01); F01D 25/12 (2006.01); F01D 5/08 (2006.01); F01D 11/24 (2006.01);
U.S. Cl.
CPC ...
F01D 25/14 (2013.01); F01D 5/085 (2013.01); F01D 11/24 (2013.01); F01D 25/12 (2013.01); F05D 2240/81 (2013.01); F05D 2250/75 (2013.01); F05D 2260/201 (2013.01); F05D 2260/231 (2013.01);
Abstract
A stator heat shield segment for a gas turbine includes an inner surface facing a hot gas main flow of the gas turbine; an outer surface opposite to the inner surface and at least partially exposed to cooling air; a first impingement cavity provided with a plurality of first impingement holes fluidly connected with the cooling air supplied outside the outer surface; a feeding cavity isolated from the cooling air supplied outside the outer surface and fluidly connected with first impingement cavity; and a second impingement cavity provided with a plurality of second impingement holes fluidly connected to the feeding cavity.