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:
Jun. 28, 2022
Filed:
Mar. 18, 2021
Applicant:
Doosan Heavy Industries & Construction Co., Ltd., Changwon-si, KR;
Inventors:
Seung Min Lee, Changwon, KR;
Yong Hwan Kwon, Seoul, KR;
Dong II Kim, Yongin, KR;
Jin Woong Ha, Daejeon, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/24 (2006.01); F01D 25/14 (2006.01);
U.S. Cl.
CPC ...
F01D 11/24 (2013.01); F01D 25/14 (2013.01); F05D 2260/22141 (2013.01); F05D 2260/232 (2013.01);
Abstract
An apparatus for controlling tip clearance between a turbine casing and a turbine blade is provided. The apparatus for controlling tip clearance includes a casing surrounding the turbine blade, a cooling plate installed in a groove, formed in a circumferential direction in the casing, and contracted by cold air supplied thereto, the cooling plate having at least one fin formed on an outer peripheral surface thereof, and a ring segment mounted radially inside the cooling plate.