DE4238659C2 - Verbesserte Deckbandkonstruktion - Google Patents
Verbesserte DeckbandkonstruktionInfo
- Publication number
- DE4238659C2 DE4238659C2 DE4238659A DE4238659A DE4238659C2 DE 4238659 C2 DE4238659 C2 DE 4238659C2 DE 4238659 A DE4238659 A DE 4238659A DE 4238659 A DE4238659 A DE 4238659A DE 4238659 C2 DE4238659 C2 DE 4238659C2
- Authority
- DE
- Germany
- Prior art keywords
- shroud
- elements
- cooling air
- turbine
- grid
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
- F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/002—Wall structures
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
- F05D2240/81—Cooled platforms
-
- 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
- F05D2260/221—Improvement of heat transfer
- F05D2260/2212—Improvement of heat transfer by creating turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (6)
- a) einem Verbrennungsabschnitt (34) mit Mitteln zur Erzeugung von Heißgas (38);
- b) einem Turbinenabschnitt (35) mit einer Vielzahl von Leitschaufeln (43), verbunden durch ein darin angeordnetes Deckband (2, 3), wobei jedes Deckband eine äußere (4) und eine innere (6) Fläche aufweist, und der Turbinenabschnitt (35) ein Mittel zur Leitung von Heißgas (58) über mindestens eine der inneren Flächen (6) und Mittel (5) zur Leitung der aufprallenden Kühlluft (11) über mindestens eine der äußeren Flächen (4) hat; und
- c) einem Gittermuster (12) aus Rauhtiefeelementen (14) auf mindestens einer der äußeren Flächen (4), wobei die Elemente ein Abstand-zu-Spitze-Verhältnis zwischen 1 und 30 haben, und wobei die Höhe der Elemente zwischen 0,04 cm und 0,3 cm beträgt.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/796,568 US5201847A (en) | 1991-11-21 | 1991-11-21 | Shroud design |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4238659A1 DE4238659A1 (de) | 1993-05-27 |
DE4238659C2 true DE4238659C2 (de) | 2001-03-08 |
Family
ID=25168511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4238659A Expired - Lifetime DE4238659C2 (de) | 1991-11-21 | 1992-11-16 | Verbesserte Deckbandkonstruktion |
Country Status (5)
Country | Link |
---|---|
US (1) | US5201847A (de) |
JP (1) | JP2505693B2 (de) |
CA (1) | CA2083437A1 (de) |
DE (1) | DE4238659C2 (de) |
IT (1) | IT1256169B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103119246A (zh) * | 2010-11-25 | 2013-05-22 | 西门子公司 | 涡轮喷嘴节段和相应的燃气涡轮发动机 |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2723177B1 (fr) * | 1994-07-27 | 1996-09-06 | Snecma | Chambre de combustion comportant une double paroi |
WO1999006771A1 (en) * | 1997-07-31 | 1999-02-11 | Alliedsignal Inc. | Rib turbulators for combustor external cooling |
US6142734A (en) * | 1999-04-06 | 2000-11-07 | General Electric Company | Internally grooved turbine wall |
TWI272689B (en) * | 2001-02-16 | 2007-02-01 | Tokyo Electron Ltd | Method and apparatus for transferring heat from a substrate to a chuck |
FR2833035B1 (fr) * | 2001-12-05 | 2004-08-06 | Snecma Moteurs | Plate-forme d'aube de distributeur pour moteur a turbine a gaz |
DE10241741A1 (de) * | 2002-09-10 | 2004-03-18 | Alstom (Switzerland) Ltd. | Zur Wärmeabgabe dienendes und mit Noppen versehenes Metallbauteil und Verfahren zum Anbringen der Noppen am Metallbauteil |
US6910620B2 (en) * | 2002-10-15 | 2005-06-28 | General Electric Company | Method for providing turbulation on the inner surface of holes in an article, and related articles |
GB2402442B (en) * | 2003-06-04 | 2006-05-31 | Rolls Royce Plc | Cooled nozzled guide vane or turbine rotor blade platform |
EP1614861A1 (de) * | 2004-07-09 | 2006-01-11 | Siemens Aktiengesellschaft | Schaufelrad einer Turbine mit einer Schaufel und mindestens einem Kühlkanal |
ATE446439T1 (de) * | 2005-07-01 | 2009-11-15 | Siemens Ag | Gekühlte gasturbinenleitschaufel für eine gasturbine, verwendung einer gasturbinenleitschaufel sowie verfahren zum betreiben einer gasturbine |
US7563071B2 (en) * | 2005-08-04 | 2009-07-21 | Siemens Energy, Inc. | Pin-loaded mounting apparatus for a refractory component in a combustion turbine engine |
US7722317B2 (en) * | 2007-01-25 | 2010-05-25 | Siemens Energy, Inc. | CMC to metal attachment mechanism |
US7862291B2 (en) * | 2007-02-08 | 2011-01-04 | United Technologies Corporation | Gas turbine engine component cooling scheme |
EP2093381A1 (de) * | 2008-02-25 | 2009-08-26 | Siemens Aktiengesellschaft | Lauf- oder Leitschaufel einer Turbine mit gekühlter Plattform |
US20120208141A1 (en) * | 2011-02-14 | 2012-08-16 | General Electric Company | Combustor |
FR3001492B1 (fr) * | 2013-01-25 | 2017-09-01 | Snecma | Stator de turbomachine avec controle passif de la purge |
US10436445B2 (en) * | 2013-03-18 | 2019-10-08 | General Electric Company | Assembly for controlling clearance between a liner and stationary nozzle within a gas turbine |
EP2978941B1 (de) * | 2013-03-26 | 2018-08-22 | United Technologies Corporation | Turbinenmotor und turbinenmotorkomponente mit sockeln für verbesserte kühlung |
US20150122450A1 (en) * | 2013-11-07 | 2015-05-07 | Ching-Pang Lee | Ceramic casting core having an integral vane internal core and shroud backside shell for vane segment casting |
US9061349B2 (en) * | 2013-11-07 | 2015-06-23 | Siemens Aktiengesellschaft | Investment casting method for gas turbine engine vane segment |
BE1022513B1 (fr) * | 2014-11-18 | 2016-05-19 | Techspace Aero S.A. | Virole interne de compresseur de turbomachine axiale |
US9777635B2 (en) * | 2014-12-31 | 2017-10-03 | General Electric Company | Engine component |
US20170159487A1 (en) * | 2015-12-02 | 2017-06-08 | General Electric Company | HT Enhancement Bumps/Features on Cold Side |
KR101873156B1 (ko) | 2017-04-12 | 2018-06-29 | 두산중공업 주식회사 | 터빈 베인 및 이를 포함하는 가스 터빈 |
US10619852B2 (en) | 2017-08-25 | 2020-04-14 | United Technologies Corporation | Heat shield with round top pin fins and flat top pin fins for improved manufacturing processes |
US11078847B2 (en) | 2017-08-25 | 2021-08-03 | Raytheon Technologies Corporation | Backside features with intermitted pin fins |
US10822987B1 (en) | 2019-04-16 | 2020-11-03 | Pratt & Whitney Canada Corp. | Turbine stator outer shroud cooling fins |
US11187149B2 (en) * | 2019-11-25 | 2021-11-30 | Transportation Ip Holdings, Llc | Case-integrated turbomachine wheel containment |
FR3107919B1 (fr) * | 2020-03-03 | 2022-12-02 | Safran Aircraft Engines | Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement |
FR3107920B1 (fr) * | 2020-03-03 | 2023-11-10 | Safran Aircraft Engines | Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3602644A1 (de) * | 1985-02-12 | 1986-08-14 | Rolls-Royce Ltd., London | Gasturbinentriebwerk |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2648519A (en) * | 1948-04-22 | 1953-08-11 | Campini Secondo | Cooling combustion turbines |
JPS5189916A (de) * | 1975-02-04 | 1976-08-06 | ||
FR2438165A1 (fr) * | 1978-10-06 | 1980-04-30 | Snecma | Dispositif de regulation de temperature pour turbines a gaz |
JPH0660740B2 (ja) * | 1985-04-05 | 1994-08-10 | 工業技術院長 | ガスタービンの燃焼器 |
FR2607198B1 (fr) * | 1986-11-26 | 1990-05-04 | Snecma | Carter de compresseur adapte pour le pilotage actif de ses dilatations et son procede de fabrication |
-
1991
- 1991-11-21 US US07/796,568 patent/US5201847A/en not_active Expired - Lifetime
-
1992
- 1992-11-03 IT ITMI922517A patent/IT1256169B/it active IP Right Grant
- 1992-11-16 DE DE4238659A patent/DE4238659C2/de not_active Expired - Lifetime
- 1992-11-18 JP JP4308676A patent/JP2505693B2/ja not_active Expired - Fee Related
- 1992-11-20 CA CA002083437A patent/CA2083437A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3602644A1 (de) * | 1985-02-12 | 1986-08-14 | Rolls-Royce Ltd., London | Gasturbinentriebwerk |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103119246A (zh) * | 2010-11-25 | 2013-05-22 | 西门子公司 | 涡轮喷嘴节段和相应的燃气涡轮发动机 |
Also Published As
Publication number | Publication date |
---|---|
ITMI922517A1 (it) | 1994-05-03 |
IT1256169B (it) | 1995-11-29 |
DE4238659A1 (de) | 1993-05-27 |
ITMI922517A0 (it) | 1992-11-03 |
JP2505693B2 (ja) | 1996-06-12 |
US5201847A (en) | 1993-04-13 |
JPH05214958A (ja) | 1993-08-24 |
CA2083437A1 (en) | 1993-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: WIESE KONNERTH FISCHER PATENTANWAELTE PARTNERSCHAF |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: SCHROETER LEHMANN FISCHER & NEUGEBAUER, 81479 MUEN |
|
R082 | Change of representative |
Representative=s name: DANIEL OLIVER MAIER, DE Representative=s name: DANIEL OLIVER MAIER, 81739 MUENCHEN, DE |
|
R082 | Change of representative |
Representative=s name: DANIEL OLIVER MAIER, DE Representative=s name: DANIEL OLIVER MAIER, 81739 MUENCHEN, DE |
|
R081 | Change of applicant/patentee |
Owner name: SIEMENS ENERGY, INC.(N.D. GES.D. STAATES DELAW, US Free format text: FORMER OWNER: WESTINGHOUSE ELECTRIC CORP., PITTSBURGH, PA., US Effective date: 20120224 Owner name: SIEMENS ENERGY, INC.(N.D. GES.D. STAATES DELAW, US Free format text: FORMER OWNER: WESTINGHOUSE ELECTRIC CORP., PITTSBURGH, US Effective date: 20120224 |
|
R082 | Change of representative |
Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE Effective date: 20111121 Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE Effective date: 20120224 |
|
R071 | Expiry of right | ||
R071 | Expiry of right |