IT1125525B - Turbina raffreddata ad aria per motore a turbina a gas - Google Patents

Turbina raffreddata ad aria per motore a turbina a gas

Info

Publication number
IT1125525B
IT1125525B IT26656/79A IT2665679A IT1125525B IT 1125525 B IT1125525 B IT 1125525B IT 26656/79 A IT26656/79 A IT 26656/79A IT 2665679 A IT2665679 A IT 2665679A IT 1125525 B IT1125525 B IT 1125525B
Authority
IT
Italy
Prior art keywords
air cooled
turbine
gas turbine
turbine engine
engine
Prior art date
Application number
IT26656/79A
Other languages
English (en)
Other versions
IT7926656A0 (it
Inventor
David Alexander Campbell
Frederick William Walto Morley
Original Assignee
Rolls Royce
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 Rolls Royce filed Critical Rolls Royce
Publication of IT7926656A0 publication Critical patent/IT7926656A0/it
Application granted granted Critical
Publication of IT1125525B publication Critical patent/IT1125525B/it

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
    • 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
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT26656/79A 1978-10-26 1979-10-19 Turbina raffreddata ad aria per motore a turbina a gas IT1125525B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7842094 1978-10-26

Publications (2)

Publication Number Publication Date
IT7926656A0 IT7926656A0 (it) 1979-10-19
IT1125525B true IT1125525B (it) 1986-05-14

Family

ID=10500612

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26656/79A IT1125525B (it) 1978-10-26 1979-10-19 Turbina raffreddata ad aria per motore a turbina a gas

Country Status (5)

Country Link
US (1) US4348157A (it)
JP (1) JPS5560624A (it)
DE (1) DE2941866C2 (it)
FR (1) FR2439872A1 (it)
IT (1) IT1125525B (it)

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GB2111598B (en) * 1981-12-15 1984-10-24 Rolls Royce Cooling air pressure control in a gas turbine engine
US4435123A (en) 1982-04-19 1984-03-06 United Technologies Corporation Cooling system for turbines
US4830575A (en) * 1988-02-08 1989-05-16 Dresser-Rand Company Spiral grooves in a turbine rotor
DE3835932A1 (de) * 1988-10-21 1990-04-26 Mtu Muenchen Gmbh Vorrichtung zur kuehlluftzufuehrung fuer gasturbinen-rotorschaufeln
US5252026A (en) * 1993-01-12 1993-10-12 General Electric Company Gas turbine engine nozzle
DE4422965A1 (de) * 1994-06-30 1996-01-04 Mtu Muenchen Gmbh Einrichtung zur Abscheidung von Fremdpartikeln aus der den Laufschaufeln einer Turbine zuzuführenden Kühlluft
FR2743844B1 (fr) * 1996-01-18 1998-02-20 Snecma Dispositif de refroidissement d'un disque de turbine
US5800124A (en) * 1996-04-12 1998-09-01 United Technologies Corporation Cooled rotor assembly for a turbine engine
US5862666A (en) * 1996-12-23 1999-01-26 Pratt & Whitney Canada Inc. Turbine engine having improved thrust bearing load control
US6077035A (en) 1998-03-27 2000-06-20 Pratt & Whitney Canada Corp. Deflector for controlling entry of cooling air leakage into the gaspath of a gas turbine engine
US6035627A (en) * 1998-04-21 2000-03-14 Pratt & Whitney Canada Inc. Turbine engine with cooled P3 air to impeller rear cavity
US6227801B1 (en) 1999-04-27 2001-05-08 Pratt & Whitney Canada Corp. Turbine engine having improved high pressure turbine cooling
FR2823794B1 (fr) * 2001-04-19 2003-07-11 Snecma Moteurs Aube rapportee et refroidie pour turbine
US6735956B2 (en) * 2001-10-26 2004-05-18 Pratt & Whitney Canada Corp. High pressure turbine blade cooling scoop
WO2003052240A2 (de) 2001-12-14 2003-06-26 Alstom Technology Ltd Gasturbinenanordnung
US6837676B2 (en) * 2002-09-11 2005-01-04 Mitsubishi Heavy Industries, Ltd. Gas turbine
GB0227745D0 (en) * 2002-11-28 2003-01-08 Rolls Royce Plc Blade cooling
RU2289029C2 (ru) * 2004-02-05 2006-12-10 Государственное предприятие "Запорожское машиностроительное конструкторское бюро "Прогресс" им. акад. А.Г. Ивченко" Устройство подвода охлаждающего воздуха к рабочим лопаткам колеса турбины
US7114339B2 (en) * 2004-03-30 2006-10-03 United Technologies Corporation Cavity on-board injection for leakage flows
US7097418B2 (en) * 2004-06-18 2006-08-29 Pratt & Whitney Canada Corp. Double impingement vane platform cooling
US7192245B2 (en) * 2004-12-03 2007-03-20 Pratt & Whitney Canada Corp. Rotor assembly with cooling air deflectors and method
US7452184B2 (en) * 2004-12-13 2008-11-18 Pratt & Whitney Canada Corp. Airfoil platform impingement cooling
US7300246B2 (en) * 2004-12-15 2007-11-27 Pratt & Whitney Canada Corp. Integrated turbine vane support
US7249928B2 (en) * 2005-04-01 2007-07-31 General Electric Company Turbine nozzle with purge cavity blend
US7244104B2 (en) * 2005-05-31 2007-07-17 Pratt & Whitney Canada Corp. Deflectors for controlling entry of fluid leakage into the working fluid flowpath of a gas turbine engine
US7189055B2 (en) * 2005-05-31 2007-03-13 Pratt & Whitney Canada Corp. Coverplate deflectors for redirecting a fluid flow
US7189056B2 (en) * 2005-05-31 2007-03-13 Pratt & Whitney Canada Corp. Blade and disk radial pre-swirlers
US20070271930A1 (en) * 2006-05-03 2007-11-29 Mitsubishi Heavy Industries, Ltd. Gas turbine having cooling-air transfer system
US20080145208A1 (en) * 2006-12-19 2008-06-19 General Electric Company Bullnose seal turbine stage
US8128365B2 (en) 2007-07-09 2012-03-06 Siemens Energy, Inc. Turbine airfoil cooling system with rotor impingement cooling
GB2452297B (en) * 2007-08-30 2010-01-06 Rolls Royce Plc A compressor
CH703827A1 (de) * 2010-09-20 2012-03-30 Alstom Technology Ltd Gasturbinenanordnung mit einer Ringdichtungsanordnung für einen Ringraum zwischen wenigstens einer stationären Komponente und einer Rotoreinheit.
US8657574B2 (en) * 2010-11-04 2014-02-25 General Electric Company System and method for cooling a turbine bucket
EP2453109B1 (de) 2010-11-15 2016-03-30 Alstom Technology Ltd Gasturbinenanordnung sowie Verfahren zum Betreiben einer Gasturbinenanordnung
EP2551453A1 (de) * 2011-07-26 2013-01-30 Alstom Technology Ltd Kühlvorrichtung eines Gasturbinenkompressors
US10119476B2 (en) 2011-09-16 2018-11-06 United Technologies Corporation Thrust bearing system with inverted non-contacting dynamic seals for gas turbine engine
US9382807B2 (en) 2012-05-08 2016-07-05 United Technologies Corporation Non-axisymmetric rim cavity features to improve sealing efficiencies
EP2725191B1 (en) 2012-10-23 2016-03-16 Alstom Technology Ltd Gas turbine and turbine blade for such a gas turbine
US9017014B2 (en) * 2013-06-28 2015-04-28 Siemens Energy, Inc. Aft outer rim seal arrangement
US9574453B2 (en) 2014-01-02 2017-02-21 General Electric Company Steam turbine and methods of assembling the same
US20150322861A1 (en) * 2014-05-12 2015-11-12 General Electric Company Enhanced Turbine Cooling System Using a Blend of Compressor Bleed Air and Ambient Air
US9631509B1 (en) * 2015-11-20 2017-04-25 Siemens Energy, Inc. Rim seal arrangement having pumping feature
US10107109B2 (en) 2015-12-10 2018-10-23 United Technologies Corporation Gas turbine engine component cooling assembly
US10876407B2 (en) * 2017-02-16 2020-12-29 General Electric Company Thermal structure for outer diameter mounted turbine blades
CN109580233B (zh) * 2018-11-20 2021-05-18 中国航发贵州黎阳航空动力有限公司 一种用于通道气体流量试验的密封装置
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
CN116357406B (zh) * 2023-03-24 2025-11-25 清华大学 具有冷却管路的叶型预旋喷嘴系统和具有其的燃气轮机
CN117287267B (zh) * 2023-11-24 2024-01-23 成都中科翼能科技有限公司 一种燃气轮机的涡轮盘腔结构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB843278A (en) * 1957-07-18 1960-08-04 Rolls Royce Improvements in or relating to fluid machines having bladed rotors
US2988325A (en) * 1957-07-18 1961-06-13 Rolls Royce Rotary fluid machine with means supplying fluid to rotor blade passages
GB947553A (en) * 1962-05-09 1964-01-22 Rolls Royce Gas turbine engine
US3318573A (en) * 1964-08-19 1967-05-09 Director Of Nat Aerospace Lab Apparatus for maintaining rotor disc of gas turbine engine at a low temperature
US3635586A (en) * 1970-04-06 1972-01-18 Rolls Royce Method and apparatus for turbine blade cooling
US3826084A (en) * 1970-04-28 1974-07-30 United Aircraft Corp Turbine coolant flow system
CA939521A (en) * 1970-04-28 1974-01-08 Bruce R. Branstrom Turbine coolant flow system
US3663118A (en) * 1970-06-01 1972-05-16 Gen Motors Corp Turbine cooling control
GB1350471A (en) * 1971-05-06 1974-04-18 Secr Defence Gas turbine engine
US3989410A (en) * 1974-11-27 1976-11-02 General Electric Company Labyrinth seal system
IT1063518B (it) * 1975-09-08 1985-02-11 Gen Electric Sistema di utilizzazione della perdita di aria di raffreddamento in un turbomotore a gas
US4265590A (en) * 1978-05-20 1981-05-05 Rolls-Royce Limited Cooling air supply arrangement for a gas turbine engine

Also Published As

Publication number Publication date
JPS5560624A (en) 1980-05-07
JPS5641813B2 (it) 1981-09-30
DE2941866C2 (de) 1982-08-19
DE2941866A1 (de) 1980-04-30
FR2439872A1 (fr) 1980-05-23
FR2439872B1 (it) 1983-02-25
US4348157A (en) 1982-09-07
IT7926656A0 (it) 1979-10-19

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