Patent · US Active

Apparatus for controlling turbine blade tip clearance and gas turbine including the same

US11371378B2 · kind B2 · utility

0Cited by
8References
20Claims
0Family size

Inventors

Key dates

Filing dateMar 18, 2021
Grant dateJun 28, 2022
Priority date
Expiry dateMar 18, 2041

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05D2260/232
  • 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, 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.