FR2981406B1 - Procede et systeme pour reduire le reflux thermique - Google Patents

Procede et systeme pour reduire le reflux thermique Download PDF

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Publication number
FR2981406B1
FR2981406B1 FR1259302A FR1259302A FR2981406B1 FR 2981406 B1 FR2981406 B1 FR 2981406B1 FR 1259302 A FR1259302 A FR 1259302A FR 1259302 A FR1259302 A FR 1259302A FR 2981406 B1 FR2981406 B1 FR 2981406B1
Authority
FR
France
Prior art keywords
reducing thermal
thermal reflux
reflux
reducing
thermal
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 - Fee Related
Application number
FR1259302A
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English (en)
Other versions
FR2981406A1 (fr
Inventor
Jay Francisco
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.)
Hamilton Sundstrand Corp
Original Assignee
Hamilton Sundstrand 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 Hamilton Sundstrand Corp filed Critical Hamilton Sundstrand Corp
Publication of FR2981406A1 publication Critical patent/FR2981406A1/fr
Application granted granted Critical
Publication of FR2981406B1 publication Critical patent/FR2981406B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/34—Turning or inching gear
    • 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
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • 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
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/32—Arrangement, mounting, or driving, of auxiliaries
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
FR1259302A 2011-10-13 2012-10-02 Procede et systeme pour reduire le reflux thermique Expired - Fee Related FR2981406B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/272,581 US20130091850A1 (en) 2011-10-13 2011-10-13 Method and system for reducing hot soakback
US13/272,581 2011-10-13

Publications (2)

Publication Number Publication Date
FR2981406A1 FR2981406A1 (fr) 2013-04-19
FR2981406B1 true FR2981406B1 (fr) 2018-06-01

Family

ID=47998599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1259302A Expired - Fee Related FR2981406B1 (fr) 2011-10-13 2012-10-02 Procede et systeme pour reduire le reflux thermique

Country Status (2)

Country Link
US (1) US20130091850A1 (fr)
FR (1) FR2981406B1 (fr)

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US10125691B2 (en) 2016-02-12 2018-11-13 United Technologies Corporation Bowed rotor start using a variable position starter valve
US10508601B2 (en) 2016-02-12 2019-12-17 United Technologies Corporation Auxiliary drive bowed rotor prevention system for a gas turbine engine
US10508567B2 (en) 2016-02-12 2019-12-17 United Technologies Corporation Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory
US10174678B2 (en) 2016-02-12 2019-01-08 United Technologies Corporation Bowed rotor start using direct temperature measurement
US10040577B2 (en) 2016-02-12 2018-08-07 United Technologies Corporation Modified start sequence of a gas turbine engine
US10443505B2 (en) 2016-02-12 2019-10-15 United Technologies Corporation Bowed rotor start mitigation in a gas turbine engine
US10436064B2 (en) 2016-02-12 2019-10-08 United Technologies Corporation Bowed rotor start response damping system
US10539079B2 (en) 2016-02-12 2020-01-21 United Technologies Corporation Bowed rotor start mitigation in a gas turbine engine using aircraft-derived parameters
US10598047B2 (en) 2016-02-29 2020-03-24 United Technologies Corporation Low-power bowed rotor prevention system
US10337405B2 (en) 2016-05-17 2019-07-02 General Electric Company Method and system for bowed rotor start mitigation using rotor cooling
US10563590B2 (en) * 2016-05-19 2020-02-18 Hamilton Sundstrand Corporation System and method of gas turbine engine shaft cooling
US11686212B2 (en) * 2016-05-24 2023-06-27 General Electric Company Turbine engine and method of cooling
US10787933B2 (en) 2016-06-20 2020-09-29 Raytheon Technologies Corporation Low-power bowed rotor prevention and monitoring system
US10358936B2 (en) 2016-07-05 2019-07-23 United Technologies Corporation Bowed rotor sensor system
US10480417B2 (en) * 2016-07-14 2019-11-19 Hamilton Sundstrand Corporation Air turbine start system
US10221774B2 (en) 2016-07-21 2019-03-05 United Technologies Corporation Speed control during motoring of a gas turbine engine
US10384791B2 (en) 2016-07-21 2019-08-20 United Technologies Corporation Cross engine coordination during gas turbine engine motoring
EP3273016B1 (fr) 2016-07-21 2020-04-01 United Technologies Corporation Coordination multimoteur pendant la motorisation de moteur à turbine à gaz
EP3273006B1 (fr) 2016-07-21 2019-07-03 United Technologies Corporation Démarrage en alternance d'un groupe bi-moteur
US10618666B2 (en) 2016-07-21 2020-04-14 United Technologies Corporation Pre-start motoring synchronization for multiple engines
US10787968B2 (en) 2016-09-30 2020-09-29 Raytheon Technologies Corporation Gas turbine engine motoring with starter air valve manual override
US10583933B2 (en) 2016-10-03 2020-03-10 General Electric Company Method and apparatus for undercowl flow diversion cooling
US10443543B2 (en) 2016-11-04 2019-10-15 United Technologies Corporation High compressor build clearance reduction
US10823079B2 (en) 2016-11-29 2020-11-03 Raytheon Technologies Corporation Metered orifice for motoring of a gas turbine engine
US11022004B2 (en) 2017-03-31 2021-06-01 The Boeing Company Engine shaft integrated motor
US10427632B2 (en) 2017-03-31 2019-10-01 The Boeing Company Bowed rotor nacelle cooling
US10378442B2 (en) 2017-03-31 2019-08-13 The Boeing Company Mechanical flywheel for bowed rotor mitigation
US10753225B2 (en) 2017-03-31 2020-08-25 The Boeing Company Engine turning motor via pneumatic or hydraulic motor
US10208629B2 (en) * 2017-03-31 2019-02-19 The Boeing Company Piezo-electric motor for bowed rotor mitigation
GB201706361D0 (en) * 2017-04-21 2017-06-07 Rolls Royce Plc An auxiliary rotation device for a gas turbine engine and a method of cooling a rotor of a gas turbine engine using an auxiliary rotation device
US10947993B2 (en) 2017-11-27 2021-03-16 General Electric Company Thermal gradient attenuation structure to mitigate rotor bow in turbine engine
US11305885B2 (en) 2019-01-10 2022-04-19 Honeywell International Inc. Auxiliary power unit adaptive cooldown cycle system and method
US20220235706A1 (en) * 2021-01-28 2022-07-28 General Electric Company Gas turbine engine cooling system control
US11879411B2 (en) 2022-04-07 2024-01-23 General Electric Company System and method for mitigating bowed rotor in a gas turbine engine

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Also Published As

Publication number Publication date
US20130091850A1 (en) 2013-04-18
FR2981406A1 (fr) 2013-04-19

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