JPS62167802U - - Google Patents
Info
- Publication number
- JPS62167802U JPS62167802U JP5618186U JP5618186U JPS62167802U JP S62167802 U JPS62167802 U JP S62167802U JP 5618186 U JP5618186 U JP 5618186U JP 5618186 U JP5618186 U JP 5618186U JP S62167802 U JPS62167802 U JP S62167802U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- disk
- rotor
- extends
- gas turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
Description
第１図はシール板収縮時の実施例に係るホイー
ルスペースシール構造の断面図、第２図はシール
板伸長時の同断面図、第３図は従来のホイールス
ペースシール部を示す翼部断面図である。
１０……ロータ、１２……ロータデイスク、１
４……動翼、１６……シヤンク部、１８……ケー
シング、２０……静翼、２４……仕切板、２８…
…デイスクシールフイン、３０……溝、３２……
シール板。
Fig. 1 is a sectional view of the wheel space seal structure according to the embodiment when the seal plate is contracted, Fig. 2 is the same sectional view when the seal plate is extended, and Fig. 3 is a sectional view of the wing section showing the conventional wheel space seal part. It is. 10...rotor, 12...rotor disk, 1
4... Moving blade, 16... Shank portion, 18... Casing, 20... Stationary blade, 24... Partition plate, 28...
...Disc seal fin, 30...Groove, 32...
Seal board.
Claims (1)
翼シヤンク部に設けたデイスクシールフインに対
向され静翼先端に取付けられてロータデイスク間
のホイールスペース内に延在する仕切板に対し、
少なくとも常温では前記仕切板側に引込み移動し
高温下で前記デイスクシールフインとのオーバラ
ツプ位置まで伸長する形状記憶合金からなるシー
ル板を取付けたことを特徴とするガスタービンの
ホイールスペールシール構造。 For the partition plate that is attached to the tip of the stator blade and extends into the wheel space between the rotor disks, facing the disk seal fin provided in the rotor blade shank part embedded in the rotor disk of the gas turbine,
A wheel spar seal structure for a gas turbine, characterized in that a seal plate made of a shape memory alloy is attached, which is retracted toward the partition plate side at least at room temperature and extends to an overlap position with the disk seal fin at high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5618186U JPS62167802U (en) | 1986-04-15 | 1986-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5618186U JPS62167802U (en) | 1986-04-15 | 1986-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62167802U true JPS62167802U (en) | 1987-10-24 |
Family
ID=30884765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5618186U Pending JPS62167802U (en) | 1986-04-15 | 1986-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167802U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058159A1 (en) * | 1997-06-18 | 1998-12-23 | Mitsubishi Heavy Industries, Ltd. | Seal structure for gas turbines |
| JP2010223227A (en) * | 2009-03-23 | 2010-10-07 | General Electric Co <Ge> | Device for managing cooling air for turbine engine |
| JP2010223226A (en) * | 2009-03-23 | 2010-10-07 | General Electric Co <Ge> | Device for managing cooling air for turbine engine |
-
1986
- 1986-04-15 JP JP5618186U patent/JPS62167802U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058159A1 (en) * | 1997-06-18 | 1998-12-23 | Mitsubishi Heavy Industries, Ltd. | Seal structure for gas turbines |
| JP2010223227A (en) * | 2009-03-23 | 2010-10-07 | General Electric Co <Ge> | Device for managing cooling air for turbine engine |
| JP2010223226A (en) * | 2009-03-23 | 2010-10-07 | General Electric Co <Ge> | Device for managing cooling air for turbine engine |
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