IT8919962A0 - Controllo attivo di gioco per turbomotore a gas di aereo. - Google Patents

Controllo attivo di gioco per turbomotore a gas di aereo.

Info

Publication number
IT8919962A0
IT8919962A0 IT8919962A IT1996289A IT8919962A0 IT 8919962 A0 IT8919962 A0 IT 8919962A0 IT 8919962 A IT8919962 A IT 8919962A IT 1996289 A IT1996289 A IT 1996289A IT 8919962 A0 IT8919962 A0 IT 8919962A0
Authority
IT
Italy
Prior art keywords
clearance control
aircraft gas
turbo engine
gas turbo
active clearance
Prior art date
Application number
IT8919962A
Other languages
English (en)
Other versions
IT1228781B (it
Inventor
Roger Clayton Walker
Scott Patrick Reese
David Allen Kastrup
David Leon Joyce
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8919962A0 publication Critical patent/IT8919962A0/it
Application granted granted Critical
Publication of IT1228781B publication Critical patent/IT1228781B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B13/00—Measuring arrangements characterised by the use of fluids
    • G01B13/12—Measuring arrangements characterised by the use of fluids for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/42—Circuits effecting compensation of thermal inertia; Circuits for predicting the stationary value of a temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT8919962A 1988-03-31 1989-03-31 Controllo attivo di gioco per turbomotore a gas di aereo. IT1228781B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/175,894 US5012420A (en) 1988-03-31 1988-03-31 Active clearance control for gas turbine engine

Publications (2)

Publication Number Publication Date
IT8919962A0 true IT8919962A0 (it) 1989-03-31
IT1228781B IT1228781B (it) 1991-07-03

Family

ID=22642105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8919962A IT1228781B (it) 1988-03-31 1989-03-31 Controllo attivo di gioco per turbomotore a gas di aereo.

Country Status (7)

Country Link
US (1) US5012420A (it)
JP (1) JP2777184B2 (it)
DE (1) DE3910319C2 (it)
FR (1) FR2630500B1 (it)
GB (1) GB2218224B (it)
IT (1) IT1228781B (it)
SE (1) SE468059B (it)

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US6626635B1 (en) * 1998-09-30 2003-09-30 General Electric Company System for controlling clearance between blade tips and a surrounding casing in rotating machinery
US6142477A (en) * 1998-11-16 2000-11-07 United Technologies Corporation Active seal
US6155038A (en) * 1998-12-23 2000-12-05 United Technologies Corporation Method and apparatus for use in control and compensation of clearances in a gas turbine
US6272422B2 (en) * 1998-12-23 2001-08-07 United Technologies Corporation Method and apparatus for use in control of clearances in a gas turbine engine
US6401460B1 (en) * 2000-08-18 2002-06-11 Siemens Westinghouse Power Corporation Active control system for gas turbine blade tip clearance
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US7455495B2 (en) * 2005-08-16 2008-11-25 United Technologies Corporation Systems and methods for monitoring thermal growth and controlling clearances, and maintaining health of turbo machinery applications
US7491029B2 (en) 2005-10-14 2009-02-17 United Technologies Corporation Active clearance control system for gas turbine engines
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US7431557B2 (en) * 2006-05-25 2008-10-07 General Electric Company Compensating for blade tip clearance deterioration in active clearance control
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US7717667B2 (en) * 2006-09-29 2010-05-18 General Electric Company Method and apparatus for operating gas turbine engines
US7837429B2 (en) * 2006-10-12 2010-11-23 General Electric Company Predictive model based control system for heavy duty gas turbines
US8801370B2 (en) * 2006-10-12 2014-08-12 General Electric Company Turbine case impingement cooling for heavy duty gas turbines
JP2008180220A (ja) * 2007-01-24 2008-08-07 General Electric Co <Ge> 高馬力ガスタービン用の予測モデル式制御システム
US8126628B2 (en) * 2007-08-03 2012-02-28 General Electric Company Aircraft gas turbine engine blade tip clearance control
JP5220509B2 (ja) * 2008-08-01 2013-06-26 ゼネラル・エレクトリック・カンパニイ 航空機用ガスタービンエンジンのブレード先端間隙制御
FI123228B (fi) * 2010-04-20 2012-12-31 Waertsilae Finland Oy Järjestely akselin aksiaalisen liikkeen havaitsemiseksi
US20130283762A1 (en) * 2012-04-27 2013-10-31 General Electric Company Rotary vane actuator operated air valves
US8961115B2 (en) 2012-07-19 2015-02-24 United Technologies Corporation Clearance control for gas turbine engine seal
DE102012213016A1 (de) 2012-07-25 2014-01-30 Siemens Aktiengesellschaft Verfahren zur Minimierung des Spalts zwischen einem Läufer und einem Gehäuse
US9341074B2 (en) 2012-07-25 2016-05-17 General Electric Company Active clearance control manifold system
US9758252B2 (en) * 2012-08-23 2017-09-12 General Electric Company Method, system, and apparatus for reducing a turbine clearance
EP2954173A1 (en) 2013-02-08 2015-12-16 General Electric Company Suction-based active clearance control system
JP5460902B2 (ja) * 2013-03-07 2014-04-02 ゼネラル・エレクトリック・カンパニイ 航空機用ガスタービンエンジンのブレード先端間隙制御
US9453429B2 (en) 2013-03-11 2016-09-27 General Electric Company Flow sleeve for thermal control of a double-wall turbine shell and related method
GB2516048A (en) * 2013-07-09 2015-01-14 Rolls Royce Plc Tip clearance control method
DE102014203318A1 (de) * 2014-02-25 2015-08-27 Siemens Aktiengesellschaft Verfahren zum Betrieb einer Gasturbine bei aktiver hydraulischer Spalteinstellung
EP2927433B1 (en) 2014-04-04 2018-09-26 United Technologies Corporation Active clearance control for gas turbine engine
GB201507881D0 (en) 2015-05-08 2015-06-24 Rolls Royce Plc Turbine tip clearance
US10711702B2 (en) 2015-08-18 2020-07-14 General Electric Company Mixed flow turbocore
US10578028B2 (en) 2015-08-18 2020-03-03 General Electric Company Compressor bleed auxiliary turbine
US9909441B2 (en) 2015-11-11 2018-03-06 General Electric Company Method of operating a clearance control system
GB201601427D0 (en) * 2016-01-26 2016-03-09 Rolls Royce Plc Setting control for gas turbine engine component(s)
US10247029B2 (en) * 2016-02-04 2019-04-02 United Technologies Corporation Method for clearance control in a gas turbine engine
US10344614B2 (en) * 2016-04-12 2019-07-09 United Technologies Corporation Active clearance control for a turbine and case
US9889915B2 (en) * 2016-06-30 2018-02-13 Caterpillar Inc. Systems, apparatuses, and methods to control output power of groups of engines
US10822991B2 (en) * 2016-08-01 2020-11-03 General Electric Company Method and apparatus for active clearance control on gas turbine engines
CN106855386B (zh) * 2016-11-07 2019-03-01 成都发动机（集团）有限公司 高压压气机转子叶片外径和叶尖角测量装置
FR3059042B1 (fr) 2016-11-22 2020-07-17 Safran Aircraft Engines Procede de commande d'une vanne de turbomachine
US10914185B2 (en) 2016-12-02 2021-02-09 General Electric Company Additive manufactured case with internal passages for active clearance control
US10414507B2 (en) 2017-03-09 2019-09-17 General Electric Company Adaptive active clearance control logic
US10428676B2 (en) * 2017-06-13 2019-10-01 Rolls-Royce Corporation Tip clearance control with variable speed blower
US20190078459A1 (en) * 2017-09-11 2019-03-14 United Technologies Corporation Active clearance control system for gas turbine engine with power turbine
US10941706B2 (en) 2018-02-13 2021-03-09 General Electric Company Closed cycle heat engine for a gas turbine engine
US11143104B2 (en) 2018-02-20 2021-10-12 General Electric Company Thermal management system
GB201808352D0 (en) * 2018-05-22 2018-07-11 Rolls Royce Plc Air intake system
US10822993B2 (en) 2018-06-06 2020-11-03 General Electric Company Method for operating a turbo machine
US11015534B2 (en) 2018-11-28 2021-05-25 General Electric Company Thermal management system
JP7067505B2 (ja) * 2019-02-15 2022-05-16 トヨタ自動車株式会社 燃料ポンプの診断装置
US11939070B2 (en) 2020-02-21 2024-03-26 General Electric Company Engine-mounting links that have an adjustable inclination angle
US11970279B2 (en) 2020-02-21 2024-04-30 General Electric Company Control system and methods of controlling an engine-mounting link system
US11512594B2 (en) 2020-06-05 2022-11-29 General Electric Company System and method for modulating airflow into a bore of a rotor to control blade tip clearance
CN114087029B (zh) * 2020-08-25 2024-05-17 中国航发商用航空发动机有限责任公司 涡轮叶尖间隙主动控制方法、系统和航空发动机
US11454131B2 (en) 2021-01-05 2022-09-27 General Electric Company Methods and apparatus for real-time clearance assessment using a pressure measurement
US11982189B2 (en) * 2021-06-04 2024-05-14 Rtx Corporation Warm start control of an active clearance control for a gas turbine engine
US20230019118A1 (en) * 2021-07-15 2023-01-19 Daniel R. Luedtke Vehicle electric motor temperature estimation using neural network model

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US4023919A (en) * 1974-12-19 1977-05-17 General Electric Company Thermal actuated valve for clearance control
GB1605255A (en) * 1975-12-02 1986-08-13 Rolls Royce Clearance control apparatus for bladed fluid flow machine
US4230436A (en) * 1978-07-17 1980-10-28 General Electric Company Rotor/shroud clearance control system
US4332133A (en) * 1979-11-14 1982-06-01 United Technologies Corporation Compressor bleed system for cooling and clearance control
US4338061A (en) * 1980-06-26 1982-07-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Control means for a gas turbine engine
US4487016A (en) * 1980-10-01 1984-12-11 United Technologies Corporation Modulated clearance control for an axial flow rotary machine
GB2104966B (en) * 1981-06-26 1984-08-01 United Technologies Corp Closed loop control for tip clearance of a gas turbine engine
US4621335A (en) * 1983-05-31 1986-11-04 Allied Corporation Real time recall feature for an engine data processor system
DE3514354A1 (de) * 1985-04-20 1986-10-23 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Gekuehlte gasturbine mit lastabhaengig regelbarer kuehlluftmenge
US4815928A (en) * 1985-05-06 1989-03-28 General Electric Company Blade cooling
FR2604750B1 (fr) * 1986-10-01 1988-12-02 Snecma Turbomachine munie d'un dispositif de commande automatique des debits de ventilation de turbine
FR2614073B1 (fr) * 1987-04-15 1992-02-14 Snecma Dispositif d'ajustement en temps reel du jeu radial entre un rotor et un stator de turbomachine
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Also Published As

Publication number Publication date
IT1228781B (it) 1991-07-03
SE468059B (sv) 1992-10-26
FR2630500B1 (fr) 1994-05-06
JP2777184B2 (ja) 1998-07-16
US5012420A (en) 1991-04-30
DE3910319A1 (de) 1989-10-19
GB2218224A (en) 1989-11-08
FR2630500A1 (fr) 1989-10-27
SE8901130L (sv) 1989-10-01
JPH01315624A (ja) 1989-12-20
GB2218224B (en) 1992-08-19
GB8907282D0 (en) 1989-05-17
DE3910319C2 (de) 2000-02-17
SE8901130D0 (sv) 1989-03-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980327