JPS61128301U - - Google Patents
Info
- Publication number
- JPS61128301U JPS61128301U JP1048085U JP1048085U JPS61128301U JP S61128301 U JPS61128301 U JP S61128301U JP 1048085 U JP1048085 U JP 1048085U JP 1048085 U JP1048085 U JP 1048085U JP S61128301 U JPS61128301 U JP S61128301U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- turbine
- blade
- bearing housing
- peripheral side
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に係るガスタービン
のノズル冷却構造を示すガスタービンの部分断面
図、第２図は空気通路の別の実施例を示すノズル
翼部の拡大斜視図、第３図は従来のガスタービン
の部分断面図、第４図は第３図の装置における燃
焼ガス流れ方向位置とタービンノズルの外周リン
グ温度との関係図、第５図は第３図の装置におけ
る外周リング部の変形を示す拡大部分断面図、で
ある。
２１……タービンロータ、２２……タービンブ
レード、２３……軸受、２４……軸受ハウジング
、２７……ノズル翼、２８……外周リング、２９
……内周リング、３０……タービンノズル、３５
……ガス、３６……空気室、３７……外周側の空
間、３８，３８ａ，３８ｂ……空気通路、３９…
…絞り。
FIG. 1 is a partial sectional view of a gas turbine showing a nozzle cooling structure of a gas turbine according to an embodiment of the present invention, FIG. 2 is an enlarged perspective view of a nozzle blade showing another embodiment of the air passage, and FIG. The figure is a partial sectional view of a conventional gas turbine, Figure 4 is a diagram of the relationship between the combustion gas flow direction position and the temperature of the outer ring of the turbine nozzle in the apparatus shown in Figure 3, and Figure 5 is the outer ring in the apparatus shown in Figure 3. FIG. 3 is an enlarged partial sectional view showing deformation of the portion. 21... Turbine rotor, 22... Turbine blade, 23... Bearing, 24... Bearing housing, 27... Nozzle blade, 28... Outer circumferential ring, 29
... Inner ring, 30 ... Turbine nozzle, 35
...Gas, 36...Air chamber, 37...Space on the outer peripheral side, 38, 38a, 38b...Air passage, 39...
...Aperture.
Claims (1)
ービンロータのタービンブレードのシユラウドを
兼ねた外周リングと、ノズル翼の内周側に位置す
る内周リングとを一体に構成したタービンノズル
を、軸受を介してタービンロータを支持する軸受
ハウジングに取付けたガスタービンにおいて、前
記軸受ハウジングとタービンノズルの内周リング
との間に、燃焼前の圧縮空気が導かれる空気室を
設け、該空気室からの空気をタービンノズルの外
周側に導く空気通路を、タービンノズルのノズル
翼肉厚内を通してタービンノズル内に設けたこと
を特徴とするガスタービンのノズル冷却構造。 A turbine nozzle integrally configured with a nozzle blade, an outer ring located on the outer peripheral side of the nozzle blade and serving as a shroud of a turbine blade of a turbine rotor, and an inner peripheral ring located on the inner peripheral side of the nozzle blade, In a gas turbine installed in a bearing housing that supports a turbine rotor via a bearing, an air chamber is provided between the bearing housing and the inner circumferential ring of the turbine nozzle, into which compressed air before combustion is guided; A nozzle cooling structure for a gas turbine, characterized in that an air passage for guiding air to the outer circumferential side of the turbine nozzle is provided in the turbine nozzle through the thickness of the nozzle blade of the turbine nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1048085U JPS61128301U (en) | 1985-01-30 | 1985-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1048085U JPS61128301U (en) | 1985-01-30 | 1985-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61128301U true JPS61128301U (en) | 1986-08-12 |
Family
ID=30491706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1048085U Pending JPS61128301U (en) | 1985-01-30 | 1985-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61128301U (en) |
-
1985
- 1985-01-30 JP JP1048085U patent/JPS61128301U/ja active Pending