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
Application number
DE4238659A
Other languages
German (de)
English (en)
Other versions
DE4238659C2 (de
Inventor
Graydon Lane Whidden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Inc
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE4238659A1 publication Critical patent/DE4238659A1/de
Application granted granted Critical
Publication of DE4238659C2 publication Critical patent/DE4238659C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE4238659A 1991-11-21 1992-11-16 Verbesserte Deckbandkonstruktion Expired - Lifetime DE4238659C2 (de)

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 (enExample) 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 (enExample)
JP (1) JP2505693B2 (enExample)
CA (1) CA2083437A1 (enExample)
DE (1) DE4238659C2 (enExample)
IT (1) IT1256169B (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
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 (en) * 2008-02-25 2009-08-26 Siemens Aktiengesellschaft Turbine blade or vane with cooled platform
EP2458148A1 (en) * 2010-11-25 2012-05-30 Siemens Aktiengesellschaft Turbo-machine component with a surface for cooling
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
WO2014160565A1 (en) * 2013-03-26 2014-10-02 United Technologies Corporation Turbine engine and turbine engine component with improved cooling pedestals
US9061349B2 (en) * 2013-11-07 2015-06-23 Siemens Aktiengesellschaft Investment casting method for gas turbine engine vane segment
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
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648519A (en) * 1948-04-22 1953-08-11 Campini Secondo Cooling combustion turbines
JPS5189916A (enExample) * 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

Also Published As

Publication number Publication date
DE4238659C2 (de) 2001-03-08
IT1256169B (it) 1995-11-29
JPH05214958A (ja) 1993-08-24
ITMI922517A1 (it) 1994-05-03
US5201847A (en) 1993-04-13
ITMI922517A0 (it) 1992-11-03
JP2505693B2 (ja) 1996-06-12
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