JP2021143635A - タービンロータ - Google Patents
タービンロータ Download PDFInfo
- Publication number
- JP2021143635A JP2021143635A JP2020043185A JP2020043185A JP2021143635A JP 2021143635 A JP2021143635 A JP 2021143635A JP 2020043185 A JP2020043185 A JP 2020043185A JP 2020043185 A JP2020043185 A JP 2020043185A JP 2021143635 A JP2021143635 A JP 2021143635A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- turbine rotor
- passage
- cooling medium
- face
- 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.)
- Granted
Links
- 239000002826 coolant Substances 0.000 claims abstract description 78
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 description 25
- 230000007704 transition Effects 0.000 description 18
- 239000000567 combustion gas Substances 0.000 description 17
- 238000001816 cooling Methods 0.000 description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 239000001569 carbon dioxide Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/026—Shaft to shaft connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/24—Rotors for turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/60—Shafts
- F05D2240/61—Hollow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (5)
- 第1のロータ構成部材の第1の端面と第2のロータ構成部材の第2の端面とを当接させて、前記第1のロータ構成部材と前記第2のロータ構成部材をボルト締結によって接合して構成されるタービンロータであって、
前記第1の端面に形成され、前記タービンロータの中心軸方向に凹む筒状凹部と、
前記筒状凹部の底面から前記タービンロータの中心軸方向に穿孔され、冷却媒体を流す軸方向通路と、
前記軸方向通路に冷却媒体を導入する導入通路と、
前記軸方向通路から前記タービンロータの外周面に貫通し、冷却媒体を排出する排出通路と、
前記筒状凹部に配置され、前記軸方向通路の一端を封鎖する封鎖部材と
を具備することを特徴とするタービンロータ。 - 前記第1の端面と前記第2の端面とが当接する当接部において、
前記第1の端面が、
前記第1の端面における外縁側において周方向に亘って形成され、前記タービンロータの中心軸方向に凹む環状溝部を備え、
前記第2の端面が、
前記第2の端面における外縁側において周方向に亘って形成され、前記タービンロータの中心軸方向に突出し、前記環状溝部と嵌り合う環状突部を備えることを特徴とする請求項1記載のタービンロータ。 - 前記第1の端面と前記第2の端面とが当接する当接部において、
前記第1の端面における外縁側において周方向に亘って形成され、前記タービンロータの中心軸方向に突出する環状突部を備え、
前記第2の端面が、
前記第2の端面における外縁側において周方向に亘って形成され、前記タービンロータの中心軸方向に凹み、前記環状突部と嵌り合う環状溝部を備えることを特徴とする請求項1記載のタービンロータ。 - 前記封鎖部材は、前記第1のロータ構成部材にねじ締結されていることを特徴とする請求項1乃至3のいずれか1項記載のタービンロータ。
- 前記筒状凹部が備えられた前記第1の端面と、前記筒状凹部に対向する前記第2の端面との間の間隙に形成される空間部と、
前記第1の端面と前記第2の端面とが当接する当接部に形成され、前記空間部と前記タービンロータの外部とを連通させる連通溝と
を具備することを特徴とする請求項1乃至4のいずれか1項記載のタービンロータ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020043185A JP7242597B2 (ja) | 2020-03-12 | 2020-03-12 | タービンロータ |
US17/182,396 US11686201B2 (en) | 2020-03-12 | 2021-02-23 | Turbine rotor with bolt fastening arrangement and passages |
EP21159206.8A EP3879071B1 (en) | 2020-03-12 | 2021-02-25 | Turbine rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020043185A JP7242597B2 (ja) | 2020-03-12 | 2020-03-12 | タービンロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021143635A true JP2021143635A (ja) | 2021-09-24 |
JP7242597B2 JP7242597B2 (ja) | 2023-03-20 |
Family
ID=74758601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020043185A Active JP7242597B2 (ja) | 2020-03-12 | 2020-03-12 | タービンロータ |
Country Status (3)
Country | Link |
---|---|
US (1) | US11686201B2 (ja) |
EP (1) | EP3879071B1 (ja) |
JP (1) | JP7242597B2 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585401A (ja) * | 1981-07-01 | 1983-01-12 | Hitachi Ltd | ロ−タク−リング法 |
JPH10103004A (ja) * | 1996-09-25 | 1998-04-21 | Toshiba Corp | ガスタービンの動翼冷却装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59803075D1 (de) * | 1997-06-27 | 2002-03-21 | Siemens Ag | Turbinenwelle einer dampfturbine mit interner kühlung sowie verfahren zur kühlung einer turbinenwelle |
IT1317538B1 (it) | 2000-05-15 | 2003-07-09 | Nuovo Pignone Spa | Dispositivo per il controllo dei flussi di refrigerazione delleturbine a gas |
DE10355738A1 (de) * | 2003-11-28 | 2005-06-16 | Alstom Technology Ltd | Rotor für eine Turbine |
JP4805728B2 (ja) | 2006-05-31 | 2011-11-02 | 株式会社東芝 | 蒸気タービンロータ及び蒸気タービン |
EP1911933A1 (de) | 2006-10-09 | 2008-04-16 | Siemens Aktiengesellschaft | Rotor für eine Strömungsmaschine |
US9206693B2 (en) * | 2011-02-18 | 2015-12-08 | General Electric Company | Apparatus, method, and system for separating particles from a fluid stream |
JPWO2016143103A1 (ja) * | 2015-03-11 | 2017-11-30 | 株式会社東芝 | タービン |
US10641174B2 (en) * | 2017-01-18 | 2020-05-05 | General Electric Company | Rotor shaft cooling |
-
2020
- 2020-03-12 JP JP2020043185A patent/JP7242597B2/ja active Active
-
2021
- 2021-02-23 US US17/182,396 patent/US11686201B2/en active Active
- 2021-02-25 EP EP21159206.8A patent/EP3879071B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585401A (ja) * | 1981-07-01 | 1983-01-12 | Hitachi Ltd | ロ−タク−リング法 |
JPH10103004A (ja) * | 1996-09-25 | 1998-04-21 | Toshiba Corp | ガスタービンの動翼冷却装置 |
Also Published As
Publication number | Publication date |
---|---|
JP7242597B2 (ja) | 2023-03-20 |
US20210348512A1 (en) | 2021-11-11 |
EP3879071A1 (en) | 2021-09-15 |
US11686201B2 (en) | 2023-06-27 |
EP3879071B1 (en) | 2024-05-01 |
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