DE4238659A1 - - Google Patents
Info
- Publication number
- DE4238659A1 DE4238659A1 DE4238659A DE4238659A DE4238659A1 DE 4238659 A1 DE4238659 A1 DE 4238659A1 DE 4238659 A DE4238659 A DE 4238659A DE 4238659 A DE4238659 A DE 4238659A DE 4238659 A1 DE4238659 A1 DE 4238659A1
- Authority
- DE
- Germany
- Prior art keywords
- shroud
- elements
- turbine
- cooling air
- inches
- 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
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)
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 true DE4238659A1 (de) | 1993-05-27 |
DE4238659C2 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) |
Families Citing this family (31)
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 |
EP1739285B1 (de) * | 2005-07-01 | 2009-10-21 | Siemens Aktiengesellschaft | 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 |
EP2458148A1 (de) | 2010-11-25 | 2012-05-30 | Siemens Aktiengesellschaft | Turbomaschinenbauteil mit einer Kühlfläche |
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 |
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 |
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 |
Family Cites Families (6)
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 |
GB2170867B (en) * | 1985-02-12 | 1988-12-07 | Rolls Royce | Improvements in or relating to gas turbine engines |
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
Also Published As
Publication number | Publication date |
---|---|
IT1256169B (it) | 1995-11-29 |
US5201847A (en) | 1993-04-13 |
DE4238659C2 (de) | 2001-03-08 |
JPH05214958A (ja) | 1993-08-24 |
CA2083437A1 (en) | 1993-05-22 |
ITMI922517A1 (it) | 1994-05-03 |
JP2505693B2 (ja) | 1996-06-12 |
ITMI922517A0 (it) | 1992-11-03 |
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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 |