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Title:
軸流タービンのためのシュラウドバンド
Document Type and Number:
Japanese Patent JP4199855
Kind Code:
B2
Abstract:
Shroud plates (16) on the rotor blade ends (La3) project into cavities in the stator. At the labyrinth entry (40), the cavity is divided radially into two or more axially offset part cavities. The shroud plate is stepped, and has at least two throttle points against the stator. Horizontal curved sealing strips (17) on the stator enclose eddy chambers and each act on a shroud plate step. The radial outward facing surfaces of the shroud are angled against the flow direction.

Inventors:
Franz Kleichmeier
Application Number:
JP26168598A
Publication Date:
December 24, 2008
Filing Date:
September 16, 1998
Export Citation:
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Assignee:
ALSTOM
International Classes:
F01D5/20; F01D11/08
Domestic Patent References:
JP5195988A
JP61023804A
JP57044707A
JP53104803U
Foreign References:
GB767656A
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard