Title:
【発明の名称】先端部クリアランス制御のための分割リング
Document Type and Number:
Japanese Patent JP2003517131
Kind Code:
A
Abstract:
A tip clearance control device for a gas turbine engine having a shroud surrounding a stage of rotor blades. The tip clearance control device comprises a one-piece split ring having opposed overlapping end portions. The split ring is directly supported onto the inner surface of the shroud and is adapted to automatically adjust for thermal growth of the shroud during engine operation.
Inventors:
Lucas, Terry
Application Number:
JP2001545691A
Publication Date:
May 20, 2003
Filing Date:
December 07, 2000
Export Citation:
Assignee:
Pratt & Whitney Canada Corporation
International Classes:
F01D9/04; F01D11/08; (IPC1-7): F01D11/08; F01D9/04
Attorney, Agent or Firm:
Fujiya Shiga (2 outside)