WO2023175270A1 - Procede et unite de commande d'ensemble moteur - Google Patents
Procede et unite de commande d'ensemble moteur Download PDFInfo
- Publication number
- WO2023175270A1 WO2023175270A1 PCT/FR2023/050341 FR2023050341W WO2023175270A1 WO 2023175270 A1 WO2023175270 A1 WO 2023175270A1 FR 2023050341 W FR2023050341 W FR 2023050341W WO 2023175270 A1 WO2023175270 A1 WO 2023175270A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas turbine
- turbine engine
- low pressure
- control unit
- electric machine
- Prior art date
Links
Classifications
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- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/20—Adaptations of gas-turbine plants for driving vehicles
- F02C6/206—Adaptations of gas-turbine plants for driving vehicles the vehicles being airscrew driven
-
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/14—Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
-
- 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
- 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
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- 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
-
- 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
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
-
- 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
-
- 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
- F05D2270/31—Fuel schedule for stage combustors
Definitions
- the present invention relates to the technical field of engine assemblies, and more particularly aircraft engine assemblies comprising at least one electric machine and a gas turbine engine.
- the present disclosure aims to better adapt to operational constraints the operation of an aircraft engine assembly comprising a gas turbine engine and at least one electrical machine mechanically coupled to a rotating shaft of the gas turbine engine in such a manner. to be rotated to generate electricity.
- a setpoint for drawing mechanical power by the electrical machine can be modified when an operating parameter of the engine gas turbine reaches a predetermined limit.
- the gas turbine engine can be a turbojet and in particular a fan turbojet.
- the application of this method is also possible with other types of gas turbine engine for aircraft, such as for example turboprop engines used to drive at least one propulsive propeller or turboshaft engines used to drive at least one rotor. sustenance.
- This method is also applicable to engine assemblies comprising a reduction gear connected to a rotary shaft of the gas turbine engine for driving a mechanical member by the low pressure shaft through the reduction gear, such as for example the geared fan turbojets as well as most turboprops and turboshafts.
- Said operating parameter may in particular be a temperature inside the gas turbine engine, and its predetermined limit may be a maximum limit.
- the temperature can be a gas temperature in an exhaust nozzle of the gas turbine engine and the mechanical power draw setpoint by the electric machine can be reduced when the temperature increases to the maximum limit, so as to relieve the gas turbine engine.
- a temporary reduction in the mechanical power draw by the electric machine can preserve the propulsive power supplied by the engine assembly to the aircraft, without the temperature of the exhaust gases becoming too high.
- the gas turbine engine comprises at least one low pressure shaft with a low pressure turbine and a high pressure shaft with a high pressure turbine disposed upstream of the low pressure turbine, and the electric machine is mechanically coupled to the high pressure shaft
- the temperature can be a combustion gas temperature at the outlet of the low pressure turbine, and the mechanical power draw set point by the electric machine can be reduced when the temperature increases to the maximum limit, so as to relieve the high pressure shaft.
- it may in particular be possible to avoid overheating of the turbines during idling speed, which may for example be a speed at which the high pressure shaft rotates at a speed not greater than 40% of a maximum nominal speed.
- the motor assembly may also include an electrical machine mechanically coupled to the low pressure shaft, and a mechanical power draw-off setpoint by the electrical machine mechanically coupled to the low-pressure shaft can be increased when the mechanical power draw-off setpoint by the electrical machine mechanically coupled to the high-pressure shaft is reduced.
- said operating parameter may be a function of a fuel flow rate supplied to a combustion chamber of the gas turbine engine, such as for example said fuel flow rate divided by a static pressure in inlet of the combustion chamber of the gas turbine engine, possibly standardized according to of an inlet temperature, and the mechanical power draw setpoint can be reduced when the operating parameter increases to a maximum limit and/or increased when the operating parameter drops to a minimum limit.
- a fuel flow rate supplied to a combustion chamber of the gas turbine engine such as for example said fuel flow rate divided by a static pressure in inlet of the combustion chamber of the gas turbine engine, possibly standardized according to of an inlet temperature
- the mechanical power draw setpoint can be reduced when the operating parameter increases to a maximum limit and/or increased when the operating parameter drops to a minimum limit.
- Said mechanical work can in particular be controlled in an open loop.
- said mechanical work could be controlled in a closed loop, that is to say according to a feedback value.
- a second aspect of this disclosure concerns a control unit of the aforementioned motor assembly which can be adapted to control a change in a setpoint for drawing mechanical power by the electric machine when an operating parameter of the turbine motor gas reaches a predetermined limit
- a third aspect of this disclosure concerns a motor assembly comprising the control unit of the second aspect as well as the electric machine and the gas turbine engine.
- a fourth aspect of this disclosure concerns a computer program which may include instructions which, implemented by a control unit of the aforementioned hybrid motor assembly, lead the control unit to carry out the control method of the first appearance.
- Figure 1 is a schematic representation of an engine assembly according to embodiments, comprising a gas turbine engine, two electric machines and a control unit.
- Figure 2 is a representation of an aircraft electrical network comprising two motor assemblies like that of Figure 1.
- Figure 3 is a diagram illustrating a method of controlling the motor assembly of Figure 1 according to a first and a second embodiment.
- Figure 4 is a diagram illustrating a method of controlling the motor assembly of Figure 1 according to a third embodiment.
- an aircraft engine assembly 100 may comprise a gas turbine engine 200, a first electric machine 300, a second electric machine 400 and a control unit 500.
- the gas turbine engine 200 may include a low pressure shaft 210 and a high pressure shaft 220.
- the low pressure shaft 210 and the high pressure shaft 220 may be arranged coaxially, as shown.
- the gas turbine engine 200 may also include a low pressure compressor 230, a high pressure compressor 240, a combustion chamber 250, a high pressure turbine 260, a low pressure turbine 270, and an exhaust nozzle 275, arranged successively.
- the high pressure shaft 220 can be mechanically coupled to the high pressure turbine 260 and to the high pressure compressor 240, so that the high pressure turbine 260 can rotate the high pressure shaft 220 and the high pressure compressor 240, while the low pressure shaft 210 can be mechanically coupled to the low pressure turbine 270 and the low pressure compressor 230, so as to so that the low pressure turbine 270 can rotate the low pressure shaft 210 and the low pressure compressor 230.
- the gas turbine engine 200 can be a turbofan engine also comprising a fan 280, which can also be mechanically coupled to the low pressure shaft 230, so as to be able to be also driven in rotation by the low pressure turbine 270 through the low pressure shaft 210.
- the gas turbine engine 200 could also include a reducer 290 interposed between the low pressure shaft 210 and the fan 280, so as to so that the fan 280 can be driven with a lower rotation speed than the low pressure shaft 210.
- a fan directly driven by the low pressure shaft 210 is also possible.
- other architectures of the gas turbine engine 200, without fan are also possible.
- the gas turbine engine 200 could alternatively be a turboprop, with at least one propulsive propeller mechanically coupled to the low pressure shaft 210 through the reduction gear 290, or a turboshaft engine, with at least one lift rotor mechanically coupled to the low pressure shaft 210 through the reducer 290. It is also conceivable, in particular for a turboshaft or a turboprop, that the gas turbine engine 200 includes only one compressor, mechanically coupled to the high pressure shaft 210.
- the first electrical machine 300 can be, as illustrated, configured as a motor-generator to selectively transform electrical energy into mechanical work in motor mode and mechanical work into electrical energy in generator mode.
- This first electrical machine 300 can be mechanically coupled to the low pressure shaft 210 to actuate, in motor mode, the low pressure shaft 210, and to be actuated, in generator mode, by the low pressure shaft 210.
- it It is also possible, in the context of the present disclosure, that it is only configured as an electrical generator, capable only of transforming electrical energy into mechanical work.
- the second electric machine 400 can also be, as illustrated, configured as a motor-generator for selectively transform electrical energy into mechanical work in motor mode and mechanical work into electrical energy in generator mode.
- This second electrical machine can be mechanically coupled to the high pressure shaft 220 to actuate, in motor mode, the high pressure shaft 220, and to be actuated, in generator mode, by the high pressure shaft 220.
- each of the first and second electrical machines 300, 400 of each motor assembly 100 can be electrically connected to an electrical network 20.
- This electrical network 20 can be a direct current electrical network, and each of the first and second electrical machines 300, 400 of each motor assembly 100 can then be electrically connected to the electrical network 20 through a corresponding converter 30.
- the aircraft 10 can also include a fuel cell 50, an electrical energy storage device 60 (such as for example a battery and/or a supercapacitor) and/or an auxiliary generator 40, which may include a generator 41 mechanically coupled to a combustion engine 42 for its actuation and be electrically connected to the electrical network 20 through another converter 30.
- the control unit 500 may be an electronic control unit, possibly a full authority digital engine control unit (in English: “Full Authority Digital Engine Control” or FADEC). It can in particular take the form of an electronic processor capable of implementing the instructions of a computer program to control the operation of the engine assembly 100.
- This control unit 500 can be connected to the gas turbine engine 200 to control in particular the supply of fuel to the combustion chamber 250, as well as to each of the first and second electrical machines 300, 400 to control the injection and/or extraction of mechanical work from the low pressure shaft 210 and of the high pressure shaft 220, respectively.
- the control unit 500 can also be connected to a manual control, such as for example a throttle lever 80, and/or to a flight computer 90, in order to receive an operating instruction from the motor assembly 100, which can for example take the form of a setpoint for thrust, power, or rotation speed of the low pressure shaft 210 and/or the high pressure shaft 220.
- a manual control such as for example a throttle lever 80
- a flight computer 90 in order to receive an operating instruction from the motor assembly 100, which can for example take the form of a setpoint for thrust, power, or rotation speed of the low pressure shaft 210 and/or the high pressure shaft 220.
- the control unit 500 of each engine assembly 100 can by elsewhere also be connected to a control unit 70 of the electrical network 20, which can be connected in turn to each converter 30, to the generator 40, to the fuel cell 50 and/or to the electrical energy storage device 60 , in order to maintain a balance in the electrical network 20.
- the control unit 500 can also be connected to temperature sensors 276 and 277, arranged, respectively, directly downstream and upstream of the low pressure turbine 270, to receive temperatures of the combustion gases at the outlet of the low pressure turbine 270 and at the outlet of the high pressure turbine 260, to one or more pressure sensors (not illustrated), arranged in the combustion chamber 250 to sense a static pressure p cc input to the combustion chamber 250 and transmit it to the control unit 500, and to one or more flow sensors (not shown), arranged in a circuit supplying the combustion chamber 250 with fuel to sense a flow rate C of fuel supplied to the combustion chamber 250 and transmit it to the control unit 500, in particular as a feedback value for controlling this fuel supply.
- the control unit 500 can be adapted to implement a method of controlling the motor assembly 100, as illustrated in FIG. 3, in which the combustion gas temperature T 5 at the outlet of the low pressure turbine 270 is captured and transmitted to the control unit 500 by the sensor 276 and compared to a maximum limit T 5 , max in a comparator functional block 510 of the control unit 500, such that, when this temperature T 5 increases until reaching the maximum limit T 5imax , in particular at an idle speed, a functional switch block 520 of the control unit 500 can pass from a first operating mode F1 to a second operating mode F2, in which a power sampling setpoint P H p mechanics transmitted by the control unit 500 to the second electrical machine 400 is reduced.
- the control unit 500 can control, simultaneously with this reduction in the power drawn by the second electrical machine 400, an increase in the power taken by the first electrical machine 300 from the shaft low pressure 210.
- a first mode F1 in which all of the required electrical power would be generated solely by the second electrical machine 400, and the first electrical machine 300 would draw substantially no power from the low pressure shaft 210, to a second mode F2 in which the electrical generation would be shared, for example equally, between the first electrical machine 300 and the second electrical machine 400.
- control unit 500 can also control, through the control unit 70 of the electrical network 20, an additional electrical supply by the auxiliary generator 40, by the fuel cell 50 and/or by the electrical energy storage device 60, and/or lower electrical consumption by one or more consumers connected to the electrical network 20.
- the reduction in the mechanical power draw PHP by the second electrical machine 400 can be controlled in a closed loop, in particular as a function of a difference between the temperature T 5 , therefore used as a feedback value, and its upper limit T 5imax .
- the reduction in the drawdown of the power PHP could be controlled in an open loop, for example with a predetermined reduction in the drawdown of the power PH p for a predetermined time.
- control unit 500 can be adapted to implement a method of controlling the engine assembly 100, in which the temperature T E G of the combustion gases leaving the turbine high pressure 260 is captured (or calculated separately and transmitted to the control unit 500 by the sensor 277 to be compared with a maximum limit T EG, max in the comparator functional block 510 of the control unit 500, such way that, when this temperature T E G increases until reaching the maximum limit T EG , max, in particular at a take-off speed of the aircraft, the functional switch block 520 of the control unit 500 can pass from the first operating mode F1 to a second operating mode F2', in which a mechanical power sampling instruction PBP transmitted by the control unit 500 to the first electrical machine 300 and/or a mechanical power sampling instruction P H p transmitted to the second electric machine 400
- thermoelectric turbine 260 it is also possible to use, instead of the temperature T EG of the combustion gases at the outlet of the high pressure turbine 260, a temperature of the combustion gases even further upstream, in particular a temperature T 41 of the combustion gases at the inlet of the high pressure turbine 260, in such a way that the setpoint P B p and/or the setpoint PHP are reduced when this temperature increases until reaching a maximum limit, in particular at a take-off speed of the aircraft.
- Both the temperature T EG and the temperature T 41 could not be directly captured, but be calculated indirectly from other parameters before being compared to their corresponding limits in the comparator functional block 510 of the control unit 500.
- control unit 500 can control, through the control unit 70 of the electrical network 20, an additional electrical supply by the auxiliary generator 40, by the fuel cell 50 and/or by the electrical energy storage device 60, and/or lower electrical consumption by one or more consumers (not illustrated) connected to the electrical network 20 which are not essential to the safety of the flight.
- the reduction in mechanical power withdrawals PBP and PHP by the first and second electrical machines 300, 400 can be controlled in a closed loop.
- the control unit 500 could command the first and/or second electrical machines 300, 400 to reduce the sampling of the corresponding power P B p or P H p as a function, for example, of a difference between the temperature T EG , therefore used as a feedback value, and its upper limit T EG , max-
- the reduction of the sampling of the powers PHP and/or PBP could be controlled in an open loop, for example with a predetermined reduction in the sampling of the power P H p and/or P B p for a predetermined time.
- the control of the reduction in the sampling of powers PHP and/or PBP could also integrate a hysteresis 530, so as to stop only when the temperature T EG would be significantly below its upper limit T EG , max-
- control unit 500 can be adapted to implement a method of controlling the motor assembly 100, illustrated in Figure 4, in which the control unit 500 can calculate a CsP ratio which can be the flow rate C of fuel supplied to the combustion chamber 250 transmitted by at least one flow sensor, divided by the static pressure p cc transmitted by the at least one pressure sensor.
- This CsP ratio possibly normalized as a function of an inlet temperature, can be compared to an upper limit CsP ma x and/or to a lower limit CsP m in in respective comparator functional blocks 510a, 510b, in particular during a phase deceleration of the rotation speed of the high pressure shaft 220.
- a first functional block switch 520a of the control unit 500 can switch from the first mode of operation F1 to a second operating mode F2a, in which the control unit 500 can control a reduction in the withdrawal of the power PHP taken by the second electrical machine 400 from the high pressure shaft 220, so as to relieve the shaft high pressure 220 and that it can in particular continue to accelerate with the available fuel supply, expressed by the upper limit CsP ma x-
- This reduction in the withdrawal of the power PHP can in particular be controlled in a closed loop, in particular as a function of a difference between the CsP ratio, therefore used as a feedback value, and its upper limit CsP ma x-
- the reduction in the power draw P H p could be controlled in an open loop, with for example a reduction predetermined drawdown of PHP power for a predetermined time
- the control unit 500 can control, simultaneously with this reduction in the power draw P H p by the second electrical machine 400, a increase in the power PBP taken by the first electric machine 300 from the low pressure shaft 210.
- the unit of control 500 can also control, through the control unit 70 of the electrical network 20, an additional electrical supply by the auxiliary generator 40, by the fuel cell 50 and/or by the electrical energy storage device 60, and/or lower electrical consumption by one or more consumers (not illustrated) connected to the electrical network 20 which are not essential to the safety of the flight.
- a second functional switch block 520b of the control unit 500 can pass from the first operating mode F1 to a third operating mode F2b, in which the control unit 500 can control an increase in the withdrawal of the power P H p taken by the second electric machine 400 on the high pressure shaft 220, so as to brake the high pressure shaft and so that it can in particular continue to decelerate while avoiding the extinction of the combustion chamber 250 due to insufficient fuel supply, thanks to compliance with the lower limit CsPmin-
- This increase in the withdrawal of the power P H p can in particular be controlled in a closed loop, in particular depending on a difference between the CsP ratio, therefore used as a feedback value, and its limit lower CsPmin- Alternatively, however, the increase in the drawdown of the power P H p could be controlled in an open
- control unit 500 can control, simultaneously with this increase in the power draw P H p by the second electrical machine 400, a reduction in the power PBP taken by the first electric machine 300 from the low pressure shaft 210.
- control unit 500 can also control, through the control unit 70 of the electrical network 20, a reduction in electrical input by the auxiliary generator 40, by the fuel cell 50 and/or by the electrical energy storage device 60, and or greater electrical consumption by one or more consumers (not illustrated) connected to the electrical network 20, such as for example one or more defrosting devices.
- the nozzle 275 can be a variable section nozzle. To vary its outlet section, it can include actuators 278 connected for their control to the control unit 500. In the event of reaching a nozzle outlet section limit, the control unit 500 can control a reduction in the withdrawal of the power PBP taken by the first electric machine 300 from the high pressure shaft 210 and/or of the power P H p taken by the second electric machine 400 from the high pressure shaft 220, so as to reduce load the low pressure shaft 210 and/or the high pressure shaft 220.
- the reduction in the drawdown of the power PBP and/or the power PHP could be controlled in an open loop, with for example a predetermined reduction in the power drawdown during a predetermined time.
- control unit 500 can control, through the control unit 70 of the electrical network 20, an additional electrical supply by the auxiliary generator 40, by the fuel cell 50 and/or by the electrical energy storage device 60, and/or lower electrical consumption by one or more consumers (not illustrated) connected to the electrical network 20 which are not essential to the safety of the flight.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Eletrric Generators (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202380033270.XA CN119013462A (zh) | 2022-03-15 | 2023-03-14 | 用于电机总成控制单元和方法 |
EP23714799.6A EP4493808A1 (fr) | 2022-03-15 | 2023-03-14 | Procédé et unité de commande d'ensemble moteur |
US18/846,550 US20250188867A1 (en) | 2022-03-15 | 2023-03-14 | Method and unit for controlling a motor assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR2202270 | 2022-03-15 | ||
FR2202270A FR3133642A1 (fr) | 2022-03-15 | 2022-03-15 | Procédé et unité de commande d’ensemble moteur |
Publications (1)
Publication Number | Publication Date |
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WO2023175270A1 true WO2023175270A1 (fr) | 2023-09-21 |
Family
ID=83188457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2023/050341 WO2023175270A1 (fr) | 2022-03-15 | 2023-03-14 | Procede et unite de commande d'ensemble moteur |
Country Status (5)
Country | Link |
---|---|
US (1) | US20250188867A1 (fr) |
EP (1) | EP4493808A1 (fr) |
CN (1) | CN119013462A (fr) |
FR (1) | FR3133642A1 (fr) |
WO (1) | WO2023175270A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2989007A1 (fr) | 2013-04-22 | 2016-03-02 | SNECMA Services | Dispositif de delestage des alternateurs d'une turbomachine pendant ses accelerations |
EP3569855A1 (fr) | 2018-05-14 | 2019-11-20 | Rolls-Royce plc | Système de propulsion d'aéronef électrique hybride |
US20220065176A1 (en) | 2018-12-21 | 2022-03-03 | Rolls-Royce Deutschland Ltd & Co Kg | Engine assembly and method of operation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9816897B2 (en) * | 2012-06-06 | 2017-11-14 | Harris Corporation | Wireless engine monitoring system and associated engine wireless sensor network |
WO2014143187A1 (fr) * | 2013-03-15 | 2014-09-18 | Michael Armstrong | Gestion de la limite d'optimisation des performances et de prédiction de la durée de vie pour moteur à turbine |
US9777698B2 (en) * | 2013-11-12 | 2017-10-03 | Daniel Keith Schlak | Multiple motor gas turbine engine system with auxiliary gas utilization |
US9656756B2 (en) * | 2014-03-10 | 2017-05-23 | The Boeing Company | Turbo-compressor system and method for extracting energy from an aircraft engine |
US10100748B2 (en) * | 2014-09-15 | 2018-10-16 | The Boeing Company | Dual fuel gas turbine thrust and power control |
WO2019079394A2 (fr) * | 2017-10-17 | 2019-04-25 | Top Flight Technologies, Inc. | Système de lancement portatif |
US10718271B2 (en) * | 2018-05-29 | 2020-07-21 | Raytheon Technologies Corporation | Hybrid amplification of high spool motoring via low spool power extraction and motoring of a differential geared generator |
US10961921B2 (en) * | 2018-09-19 | 2021-03-30 | Pratt & Whitney Canada Corp. | Model-based control system and method for a turboprop engine |
-
2022
- 2022-03-15 FR FR2202270A patent/FR3133642A1/fr active Pending
-
2023
- 2023-03-14 EP EP23714799.6A patent/EP4493808A1/fr active Pending
- 2023-03-14 US US18/846,550 patent/US20250188867A1/en active Pending
- 2023-03-14 WO PCT/FR2023/050341 patent/WO2023175270A1/fr active Application Filing
- 2023-03-14 CN CN202380033270.XA patent/CN119013462A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2989007A1 (fr) | 2013-04-22 | 2016-03-02 | SNECMA Services | Dispositif de delestage des alternateurs d'une turbomachine pendant ses accelerations |
EP3569855A1 (fr) | 2018-05-14 | 2019-11-20 | Rolls-Royce plc | Système de propulsion d'aéronef électrique hybride |
US20220065176A1 (en) | 2018-12-21 | 2022-03-03 | Rolls-Royce Deutschland Ltd & Co Kg | Engine assembly and method of operation |
Also Published As
Publication number | Publication date |
---|---|
CN119013462A (zh) | 2024-11-22 |
FR3133642A1 (fr) | 2023-09-22 |
EP4493808A1 (fr) | 2025-01-22 |
US20250188867A1 (en) | 2025-06-12 |
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