SG11201403916SA - Variable area turbine - Google Patents

Variable area turbine

Info

Publication number
SG11201403916SA
SG11201403916SA SG11201403916SA SG11201403916SA SG11201403916SA SG 11201403916S A SG11201403916S A SG 11201403916SA SG 11201403916S A SG11201403916S A SG 11201403916SA SG 11201403916S A SG11201403916S A SG 11201403916SA SG 11201403916S A SG11201403916S A SG 11201403916SA
Authority
SG
Singapore
Prior art keywords
variable area
area turbine
turbine
variable
area
Prior art date
Application number
SG11201403916SA
Inventor
Frederick M Schwarz
Daniel Bernard Kupratis
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of SG11201403916SA publication Critical patent/SG11201403916SA/en

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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/16—Control of working fluid flow
    • F02C9/20—Control of working fluid flow by throttling; by adjusting vanes
    • F02C9/22—Control of working fluid flow by throttling; by adjusting vanes by adjusting turbine vanes
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/11—Purpose of the control system to prolong engine life
    • F05D2270/112—Purpose of the control system to prolong engine life by limiting temperatures
    • 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
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/303—Temperature
    • F05D2270/3032—Temperature excessive temperatures, e.g. caused by overheating
SG11201403916SA 2012-02-28 2013-02-12 Variable area turbine SG11201403916SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/406,748 US9957832B2 (en) 2012-02-28 2012-02-28 Variable area turbine
PCT/US2013/025727 WO2013165512A2 (en) 2012-02-28 2013-02-12 Variable area turbine

Publications (1)

Publication Number Publication Date
SG11201403916SA true SG11201403916SA (en) 2014-10-30

Family

ID=49003055

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201403916SA SG11201403916SA (en) 2012-02-28 2013-02-12 Variable area turbine

Country Status (4)

Country Link
US (1) US9957832B2 (en)
EP (1) EP2820255B1 (en)
SG (1) SG11201403916SA (en)
WO (1) WO2013165512A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150204238A1 (en) * 2012-01-31 2015-07-23 United Technologies Corporation Low noise turbine for geared turbofan engine
US20150176530A1 (en) * 2013-12-19 2015-06-25 United Technologies Corporation Ultra high overall pessure ratio gas turbine engine
US11225913B2 (en) * 2015-02-19 2022-01-18 Raytheon Technologies Corporation Method of providing turbine engines with different thrust ratings
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
US10253648B2 (en) * 2016-03-04 2019-04-09 General Electric Company Modulated hybrid variable area turbine nozzle for gas turbine engine
US20170342839A1 (en) * 2016-05-25 2017-11-30 General Electric Company System for a low swirl low pressure turbine
US11149578B2 (en) * 2017-02-10 2021-10-19 General Electric Company Propulsion system for an aircraft
US10844721B2 (en) * 2019-03-13 2020-11-24 Rolls-Royce Plc Gas turbine engine for an aircraft
US11480111B2 (en) * 2019-05-15 2022-10-25 Honeywell International Inc. Variable area turbine nozzle and method
US20230193834A1 (en) * 2021-12-21 2023-06-22 Rolls-Royce Plc Method of controlling an aircraft propulsion system with a variable inlet guide vane, and propulsion system with a variable inlet guide vane scheduling manager
GB2617309A (en) 2021-12-21 2023-10-11 Rolls Royce Plc Aircraft fuel management

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947643A (en) 1988-09-20 1990-08-14 United Technologies Corporation Active geometry control system for gas turbine engines
US5184459A (en) 1990-05-29 1993-02-09 The United States Of America As Represented By The Secretary Of The Air Force Variable vane valve in a gas turbine
US5281087A (en) 1992-06-10 1994-01-25 General Electric Company Industrial gas turbine engine with dual panel variable vane assembly
US5517817A (en) 1993-10-28 1996-05-21 General Electric Company Variable area turbine nozzle for turbine engines
US5794432A (en) 1996-08-27 1998-08-18 Diversitech, Inc. Variable pressure and variable air flow turbofan engines
US5911679A (en) 1996-12-31 1999-06-15 General Electric Company Variable pitch rotor assembly for a gas turbine engine inlet
US5931636A (en) 1997-08-28 1999-08-03 General Electric Company Variable area turbine nozzle
DE10161292A1 (en) 2001-12-13 2003-06-26 Rolls Royce Deutschland Bearing ring for the storage of blade roots of adjustable stator blades in the high pressure compressor of a gas turbine
US20070214795A1 (en) 2006-03-15 2007-09-20 Paul Cooker Continuous real time EGT margin control
US8585538B2 (en) * 2006-07-05 2013-11-19 United Technologies Corporation Coupling system for a star gear train in a gas turbine engine
US8007229B2 (en) 2007-05-24 2011-08-30 United Technologies Corporation Variable area turbine vane arrangement
US20090067978A1 (en) 2007-05-24 2009-03-12 Suljak Jr George T Variable area turbine vane arrangement
GB0813413D0 (en) * 2008-07-23 2008-08-27 Rolls Royce Plc A compressor variable stator vane arrangement
US20110004388A1 (en) * 2009-07-01 2011-01-06 United Technologies Corporation Turbofan temperature control with variable area nozzle
ES2571212T3 (en) 2009-07-21 2016-05-24 Alstom Technology Ltd Method for the control of gas turbine engines
US20120304660A1 (en) * 2011-06-06 2012-12-06 Kupratis Daniel B Turbomachine combustors having different flow paths

Also Published As

Publication number Publication date
WO2013165512A3 (en) 2013-12-19
US9957832B2 (en) 2018-05-01
US20130223974A1 (en) 2013-08-29
EP2820255A4 (en) 2015-12-23
EP2820255A2 (en) 2015-01-07
EP2820255B1 (en) 2022-04-13
WO2013165512A2 (en) 2013-11-07

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