Apparatus for controlling turbine blade tip clearance and gas turbine including the same
US11634996B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2021 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Apr 28, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/201
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
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 and formed in a circumferential direction in the casing, the cooling plate being contracted by cold air supplied thereto, an upper plate mounted radially outside the cooling plate in the groove and having a plurality of cold air holes formed therein, a cylinder extending radially from an inner peripheral surface of the upper plate and having a plurality of cooling holes formed on a side thereof, and a ring segment mounted radially inside the cooling plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.