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GB1373898A - Gas turbine nozzle vane structure - Google Patents

Gas turbine nozzle vane structure

Info

Publication number
GB1373898A
GB1373898A GB1433673A GB1433673A GB1373898A GB 1373898 A GB1373898 A GB 1373898A GB 1433673 A GB1433673 A GB 1433673A GB 1433673 A GB1433673 A GB 1433673A GB 1373898 A GB1373898 A GB 1373898A
Authority
GB
United Kingdom
Prior art keywords
gas turbine
cooling
slots
nozzle vane
end walls
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
Application number
GB1433673A
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.)
Westinghouse Electric Corp
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 GB1373898A publication Critical patent/GB1373898A/en
Expired legal-status Critical Current

Links

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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
    • 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
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

1373898 Turbines WESTINGHOUSE ELECTRIC CORP 26 March 1973 [7 April 1972] 14336/73 Heading FIT A gas turbine engine nozzle vane structure 34 comprises hollow vanes 19 integral at their ends with shroud segments 20, 22, the outer one 22 of which defines a plenum chamber 38 to which cooling compressed air is directed to enter the blades and which includes forward and rearward end walls 35, 36 provided with slots 54 to prevent cracking due to differential cooling. The slots have circular holes at their inner ends, in which are welded axially-split internally threaded sleeves 60 receiving threaded bolts 62 to seal them against escape of cooling air. The heads of bolts 62 are machined down flush with the outside surfaces at the end walls. The chamber 38 is closed by a cover (40), Fig. 1, (not shown), through which passes an air inlet (50) from an inner casing (12), in an undercut groove 24 of which the outer shroud 22 is mounted.
GB1433673A 1972-04-07 1973-03-26 Gas turbine nozzle vane structure Expired GB1373898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24194372A 1972-04-07 1972-04-07

Publications (1)

Publication Number Publication Date
GB1373898A true GB1373898A (en) 1974-11-13

Family

ID=22912824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1433673A Expired GB1373898A (en) 1972-04-07 1973-03-26 Gas turbine nozzle vane structure

Country Status (10)

Country Link
US (1) US3781125A (en)
JP (1) JPS5017603B2 (en)
CA (1) CA965352A (en)
CH (1) CH576065A5 (en)
DE (1) DE2315745A1 (en)
FR (1) FR2179455A5 (en)
GB (1) GB1373898A (en)
IT (1) IT982711B (en)
NL (1) NL7304355A (en)
SE (1) SE379079B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594276A (en) * 2020-05-19 2020-08-28 哈尔滨汽轮机厂有限责任公司 Peripheral belt for integral nozzle group of steam turbine and machining and assembling method thereof

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841787A (en) * 1973-09-05 1974-10-15 Westinghouse Electric Corp Axial flow turbine structure
US3892497A (en) * 1974-05-14 1975-07-01 Westinghouse Electric Corp Axial flow turbine stationary blade and blade ring locking arrangement
US3992126A (en) * 1975-03-25 1976-11-16 United Technologies Corporation Turbine cooling
US3957391A (en) * 1975-03-25 1976-05-18 United Technologies Corporation Turbine cooling
SE411931B (en) * 1975-03-25 1980-02-11 United Technologies Corp DEVICE AT THE TURBINE NOZZLE FOR GAS TURBINE ENGINE
US4126405A (en) * 1976-12-16 1978-11-21 General Electric Company Turbine nozzle
US4180371A (en) * 1978-03-22 1979-12-25 Avco Corporation Composite metal-ceramic turbine nozzle
US4650395A (en) * 1984-12-21 1987-03-17 United Technologies Corporation Coolable seal segment for a rotary machine
US5071313A (en) * 1990-01-16 1991-12-10 General Electric Company Rotor blade shroud segment
US6537022B1 (en) * 2001-10-05 2003-03-25 General Electric Company Nozzle lock for gas turbine engines
US6984108B2 (en) * 2002-02-22 2006-01-10 Drs Power Technology Inc. Compressor stator vane
US7651319B2 (en) * 2002-02-22 2010-01-26 Drs Power Technology Inc. Compressor stator vane
GB2388161A (en) * 2002-05-02 2003-11-05 Rolls Royce Plc Gas turbine engine compressor casing
US6773229B1 (en) * 2003-03-14 2004-08-10 General Electric Company Turbine nozzle having angel wing seal lands and associated welding method
US7097422B2 (en) * 2004-02-03 2006-08-29 Honeywell International, Inc. Hoop stress relief mechanism for gas turbine engines
US7229245B2 (en) * 2004-07-14 2007-06-12 Power Systems Mfg., Llc Vane platform rail configuration for reduced airfoil stress
US7293957B2 (en) * 2004-07-14 2007-11-13 Power Systems Mfg., Llc Vane platform rail configuration for reduced airfoil stress
FR2894282A1 (en) * 2005-12-05 2007-06-08 Snecma Sa IMPROVED TURBINE MACHINE TURBINE DISPENSER
US7958735B2 (en) * 2006-12-21 2011-06-14 Power Systems Manufacturing, Llc Turbine static structure for reduced leakage air
FR2914017B1 (en) * 2007-03-20 2011-07-08 Snecma SEALING DEVICE FOR A COOLING CIRCUIT, INTER-TURBINE HOUSING BEING EQUIPPED AND TURBOREACTOR COMPRISING THE SAME
US20090110552A1 (en) * 2007-10-31 2009-04-30 Anderson Rodger O Compressor stator vane repair with pin
FR2928962B1 (en) * 2008-03-19 2013-10-18 Snecma TURBINE DISPENSER WITH HOLLOW BLADES.
WO2009153108A2 (en) * 2008-05-26 2009-12-23 Alstom Technology Ltd. Gas turbine comprising a guide vane
US8371810B2 (en) * 2009-03-26 2013-02-12 General Electric Company Duct member based nozzle for turbine
US8555649B2 (en) * 2009-09-02 2013-10-15 Pratt & Whitney Canada Corp. Fuel nozzle swirler assembly
US8403645B2 (en) 2009-09-16 2013-03-26 United Technologies Corporation Turbofan flow path trenches
EP2530249A1 (en) * 2011-05-30 2012-12-05 Siemens Aktiengesellschaft Piston seal ring
US8888442B2 (en) 2012-01-30 2014-11-18 Pratt & Whitney Canada Corp. Stress relieving slots for turbine vane ring
EP2984291B8 (en) * 2013-04-11 2021-04-07 Raytheon Technologies Corporation Nozzle segment for a gas turbine engine
US9506365B2 (en) * 2014-04-21 2016-11-29 Honeywell International Inc. Gas turbine engine components having sealed stress relief slots and methods for the fabrication thereof
FR3041374B1 (en) * 2015-09-17 2020-05-22 Safran Aircraft Engines DISTRIBUTOR SECTOR FOR A TURBOMACHINE WITH DIFFERENTIALLY COOLED VANES
US10370979B2 (en) 2015-11-23 2019-08-06 United Technologies Corporation Baffle for a component of a gas turbine engine
US20180223691A1 (en) * 2017-02-03 2018-08-09 United Technologies Corporation Case flange with stress reducing features
DE102017211866A1 (en) 2017-07-11 2019-01-17 MTU Aero Engines AG Guide vane segment with curved relief gap
US11028709B2 (en) * 2018-09-18 2021-06-08 General Electric Company Airfoil shroud assembly using tenon with externally threaded stud and nut
US11111804B2 (en) * 2019-03-11 2021-09-07 Raytheon Technologies Corporation Inserts for slotted integrally bladed rotor
JP2021195920A (en) * 2020-06-16 2021-12-27 東芝エネルギーシステムズ株式会社 Turbine stationary blade
US11814991B1 (en) 2022-07-28 2023-11-14 General Electric Company Turbine nozzle assembly with stress relief structure for mounting rail
US11885241B1 (en) * 2022-07-28 2024-01-30 General Electric Company Turbine nozzle assembly with stress relief structure for mounting rail
DE102024104404A1 (en) * 2024-02-16 2025-08-21 MTU Aero Engines AG Guide vane segment
US12385407B1 (en) * 2024-05-17 2025-08-12 Rtx Corporation Additively manufactured turbine vane cluster
US12535012B1 (en) * 2025-05-07 2026-01-27 Ge Vernova Infrastructure Technology Llc Turbine nozzle assembly with symmetrical stress relief structure for mounting rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111594276A (en) * 2020-05-19 2020-08-28 哈尔滨汽轮机厂有限责任公司 Peripheral belt for integral nozzle group of steam turbine and machining and assembling method thereof

Also Published As

Publication number Publication date
IT982711B (en) 1974-10-21
NL7304355A (en) 1973-10-09
JPS5017603B2 (en) 1975-06-23
US3781125A (en) 1973-12-25
CH576065A5 (en) 1976-05-31
CA965352A (en) 1975-04-01
DE2315745A1 (en) 1973-10-18
SE379079B (en) 1975-09-22
FR2179455A5 (en) 1973-11-16
JPS498609A (en) 1974-01-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee