WO2010055213A1 - Systeme de commande de capot d'inverseur de poussee pour nacelle de turboreacteur - Google Patents
Systeme de commande de capot d'inverseur de poussee pour nacelle de turboreacteur Download PDFInfo
- Publication number
- WO2010055213A1 WO2010055213A1 PCT/FR2008/001632 FR2008001632W WO2010055213A1 WO 2010055213 A1 WO2010055213 A1 WO 2010055213A1 FR 2008001632 W FR2008001632 W FR 2008001632W WO 2010055213 A1 WO2010055213 A1 WO 2010055213A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control unit
- nacelle
- power control
- platform
- power
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/54—Nozzles having means for reversing jet thrust
- F02K1/76—Control or regulation of thrust reversers
- F02K1/763—Control or regulation of thrust reversers with actuating systems or actuating devices; Arrangement of actuators for thrust reversers
-
- 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
Definitions
- the present invention relates to a turbojet engine nacelle comprising a front air intake section, a median section intended to surround a fan of the turbojet engine and a rear section equipped with at least one thrust reversal system comprising, firstly, means for deflecting at least part of an air flow of the turbojet, and secondly, at least one movable cowl capable of passing under the action of at least one means of electromechanical actuation, alternatively of a closed position, in which it ensures the aerodynamic continuity of the nacelle and in which the deflection means are inactive, at an open position in which it opens a passage in the nacelle and in which the deviation means are active.
- An aircraft is driven by several turbojets each housed in a nacelle also housing a set of ancillary actuators related to its operation and providing various functions when the turbojet engine is in operation or stopped.
- These ancillary actuating devices comprise in particular an electro-hydraulic or hydro-mechanical system for actuating a thrust reverser and an electro-hydraulic or hydro-mechanical system for operating rollovers intended to allow maintenance operations on the turbojet engine.
- the role of a thrust reverser is, during the landing of an aircraft, to improve the braking capacity thereof by redirecting forward at least a portion of the thrust generated by the turbojet engine.
- a thrust reverser comprises on either side of the nacelle a movable cover movable between, on the one hand, an extended position which opens in the nacelle a passage for the deflected flow during a braking phase and, on the other hand, a retraction position which closes this passage during normal operation of the turbojet or when the aircraft is at a standstill.
- nacelle manufacturers and equipment manufacturers have sought to replace them and to make maximum use of electric actuation systems in order to lighten the platform and to simplify its operation, particularly in terms of necessary maintenance cycles and the management of hydraulic or pneumatic fluids.
- nacelle cowlings intended for the maintenance of the turbojet engine which are actuated by electric cylinders, and an electrically operated thrust reverser is described in the document EP 0 843 089.
- Electric actuation systems allow optimum management of energy according to the power actually necessary for the operation of these systems while occupying less space in the nacelle and not requiring a pressurized fluid circulation circuit. They also make it possible to integrate electronic control and control systems, as described, for example, in the French applications 04.07096, 07.07098 and 07.01058.
- the electronic management of the actuation of the thrust reverser system has many constraints.
- control and monitoring functions are usually included in an airplane controller (known as FADEC or EEC) that follows its own certification process.
- FADEC airplane controller
- EEC electronic commerce engine
- the present invention therefore aims to overcome the aforementioned drawbacks and to propose a turbojet engine nacelle comprising a control system of the thrust reverser device optimizing these aspects.
- the present invention relates to a turbojet engine nacelle comprising a front air intake section, a median section intended to surround a turbojet engine fan and a rear section equipped with at least one engine reversing system.
- thrust comprising, on the one hand, means for deflecting at least a portion of an air flow of the turbojet engine, and on the other hand, at least one movable cowl adapted to pass under the action of less an electromechanical actuating means, alternatively a closed position, in which it ensures the aerodynamic continuity of the nacelle and in which the deflection means are inactive, at an open position in which it opens a passage in the nacelle and in which the deflection means are active, characterized in that it comprises, on the one hand, at least one power control unit capable of transforming a high voltage power supply into at least one a electrical supply to the electromechanical actuating means, and at least one control input of said power control unit, and secondly, at least one control unit of the control unit, separate and separate from this last,
- each unit can undergo a certification process that suits it and no longer the most demanding certification process of the whole.
- control unit also comprises at least one control output of at least one locking means of the thrust reversal system.
- the power control unit comprises at least one dissipation resistor, or other dissipation device, for example a system possibly for recovering the dissipated energy.
- the dissipation resistor is external to a casing of the corresponding power control unit
- the power control unit comprises at least one trapezoidal drive inverters.
- One can also optionally use a vector command.
- the power control unit comprises a rectifier from ac to dc.
- the power control unit comprises a rectifier from ac to dc.
- the power control unit comprises a braking circuit comprising an integrated switch.
- the role of this switch is to simplify the law governing the opening of the thrust reverser.
- the power control unit comprises at least one input of control information data from at least one position sensor and / or a speed and / or braking sensor, for example .
- the power control unit comprises at least one passive or active harmonic current rejection device.
- the nacelle comprises a circuit breaker disposed between the power source and the power control unit.
- the power control unit and / or the control unit comprises at least one data input from an aircraft computer, commonly called FADEC or EEC.
- the power control unit is disposed in a so-called cold zone of the nacelle. Still preferably, the control unit is located in avionics bay, the certification costs for implementing a device at this location being much lower.
- the control unit is supplied with low voltage current. Thus, only the control unit, controlling the engines of electromechanical actuators and requiring a high electrical power available, has this power. The electronic elements of the control unit, requiring only a small electric power, the energy available from the plane is not wasted.
- the power control unit and / or the control unit comprises at least one data output in the direction of an aircraft computer, commonly known as FADEC or EEC.
- control unit advantageously comprises at least one data input from at least one sensor, of the position or state sensor type.
- the present invention also relates to an aircraft comprising at least two turbojets each housed in a nacelle, characterized in that it is a nacelle according to the invention.
- control unit is shared between at least two nacelles.
- the number of boxes is automatically reduced.
- control unit is located in an outer zone of the nacelle, or in an avionics bay, which allows better heat dissipation of electrical and electronic components.
- Figure 1 is a simplified schematic representation of a system according to the invention equipping two nacelles of turbojets.
- FIG. 1 schematically represents a propulsion unit of an aircraft comprising two turbojet engines 3a, 3b each housed in a nacelle 1a, 1b.
- Each turbojet engine 3a, 3b is associated with an airplane controller 2a, 2b, commonly known as FADEC or EEC.
- Each nacelle 1a, 1b also comprises a thrust reverser device each comprising a right door 4a, 4b and a left door 5a, 5b each able to be actuated respectively by at least one electromechanical actuator 6a, 6b, 7a, 7b.
- the power supply and the control of each electromechanical actuator 6a, 6b, 7a, 7b is performed by a power control unit 8a, 8b equipping each nacelle 1a, 1b.
- each power control unit 8a, 8b receives its control instructions from a separate and common control unit 9 for the two nacelles 1a, 1b.
- control unit 9 also receives information from each of the aircraft controllers 2a, 2b.
- each power control unit 8a, 8b comprises a high power power supply 20a, 20b coming from an aircraft power source, each power supply 20a 1 20b is equipped with a circuit breaker 21a, 21b of security.
- Each power control unit 8a, 8b also comprises two control outputs 31a, 31b and 32a, 32b respectively supplying and controlling a motor 33a, 33b and a motor 34a, 34b of each electromechanical actuator 6a, 6b and 7a, 7b in function.
- two control inputs 41a, 41b and 42a, 42b respectively transmitting deployment and closure commands from the control unit 9.
- Each power control unit 8a, 8b also comprises two data inputs 51a, 51b and 52a, 52b receiving data from a position sensor of the motors 33a, 33b and 34a, 34b, and a data output 61a, 61b sending data representative of the status of the thrust reversal system to the control unit 9.
- the control units of power 8a, 8b also receive data from a brake detector along a line 55a, 55b.
- the data received and returned is not limited to the types of data presented as examples but can be any type of data needed for power management electronics and logic processes.
- each power control unit 8a, 8b comprises an electrical dissipation resistor 10a, 10b.
- Each door 4a, 4b, 5a, 5b is also locked in the closed position by at least one primary latch 71a, 71b and a tertiary latch 73a, 73b.
- Each primary latch 71a, 71b is controlled by a double control line comprising a first control line 74a, 74b driven by the corresponding aircraft controller 2a, 2b and a second control line 75a, 75b, driven by the control unit 9. .
- Each tertiary lock 73a, 73b is controlled by a control line 76a, 76b controlled directly by aircraft parameters such as altitude, the pressure exerted on the landing gear, or directly by the aircraft controller 2a, 2b .
- Each primary latch 71a, 71b and tertiary 73a, 73b may be associated with a position sensor whose data are transmitted to the control unit 9. For the sake of clarity of the diagram of FIG. 2, these lines have not been represented.
- These lines can be two-way and control inductive and passive type sensors whose electronics are concentrated in the control unit 9.
- the power control units 8a, 8b are thus controlled by the control unit 9.
- the control unit 9 is powered electrically at low power by one or more electric buses 90.
- the control unit 9 comprises a monitoring subunit 9 'receiving the measurements from the data outputs 61a and 61b of the power control units 8a, 8b and various sensors as well as parameters from the aircraft controllers 2a. , 2b along data lines 91a, 91b.
- the number of data entries and the nature of these data is not limited to what has been described in this example, and the control unit 9 can use any data necessary for the proper functioning of its software and embedded electronic components.
- the control unit 9 also returns data on the state of locking or unlocking of the thrust reversal system to the aircraft controllers 2a, 2b according to at least one line of output data 92.
- the aircraft controllers 2a, 2b transmit this command to the control unit 9 and to the primary locks 71a. , 71b and tertiary 73a, 73b.
- the control unit 9 then autonomously manages the corresponding sequences and sends the instructions to the primary locks 71a, 71b and tertiary 73a, 73b and to the power control units 8a, 8b which then manage the power delivered to the motors 33a. , 33b and 34a, 34b of each electromechanical actuator 6a, 6b, 7a, 7b.
- control unit 9 is not limited to a single monitoring sub-unit 9 'but may comprise separate subunits for the management of each nacelle 1a, 1b, the different lines of data and of control that can be redundant as a safety measure in the event of a line failure.
- connection with the aircraft controllers 2a, 2b can be bidirectional, that is to say, allow both an information gathering of the aircraft controllers and a feedback of information to them.
- location of the various units is given in the example as an indication and in no way limiting.
- the power control units could be located also outside the nacelle.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Control Of Turbines (AREA)
- Retarders (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08878087.9A EP2242922B1 (fr) | 2008-02-13 | 2008-11-21 | Systeme de commande de capot d'inverseur de poussee pour nacelle de turboreacteur |
CN2008801266560A CN101946081B (zh) | 2008-02-13 | 2008-11-21 | 用于涡轮喷气发动机机舱推力反向器的整流罩的控制系统 |
RU2010137303/06A RU2502885C2 (ru) | 2008-02-13 | 2008-11-21 | Система управления гондолой турбореактивного двигателя и летательный аппарат, оснащенный такой системой |
ES08878087.9T ES2525349T3 (es) | 2008-02-13 | 2008-11-21 | Sistema de mando de cubierta de inversor de empuje para góndola de turborreactor |
CA2711945A CA2711945C (fr) | 2008-02-13 | 2008-11-21 | Systeme de commande de capot d'inverseur de poussee pour nacelle de turboreacteur |
US12/867,432 US8939401B2 (en) | 2008-02-13 | 2008-11-21 | System for controlling the cowl of a turbojet engine nacelle thrust reverser |
BRPI0822127A BRPI0822127A8 (pt) | 2008-02-13 | 2008-11-21 | nacela para motor turbojato e aeronave |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0800773A FR2927310B1 (fr) | 2008-02-13 | 2008-02-13 | Systeme de commande pour nacelle de turboreacteur |
FR08/00773 | 2008-02-13 | ||
FR0800773 | 2008-02-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010055213A1 true WO2010055213A1 (fr) | 2010-05-20 |
WO2010055213A8 WO2010055213A8 (fr) | 2010-06-24 |
Family
ID=39745058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2008/001632 WO2010055213A1 (fr) | 2008-02-13 | 2008-11-21 | Systeme de commande de capot d'inverseur de poussee pour nacelle de turboreacteur |
Country Status (9)
Country | Link |
---|---|
US (1) | US8939401B2 (fr) |
EP (1) | EP2242922B1 (fr) |
CN (1) | CN101946081B (fr) |
BR (1) | BRPI0822127A8 (fr) |
CA (1) | CA2711945C (fr) |
ES (1) | ES2525349T3 (fr) |
FR (1) | FR2927310B1 (fr) |
RU (1) | RU2502885C2 (fr) |
WO (1) | WO2010055213A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2920204B1 (fr) * | 2007-08-20 | 2009-10-30 | Aircelle Sa | Procede et systeme de commande d'au moins un actionneur de capots d'un inverseur de poussee pour turboreacteur |
FR2920143B1 (fr) * | 2007-08-20 | 2010-01-22 | Aircelle Sa | Dispositif de commande des actionneurs de maintenance de capots d'une nacelle de turboreacteur |
FR2974597B1 (fr) | 2011-04-27 | 2019-05-10 | Safran Nacelles | Ensemble de verrouillage tertiaire pour dispositif d'inversion de poussee |
FR2978801B1 (fr) * | 2011-08-05 | 2016-03-04 | Snecma | Procede de surveillance des moyens de verrouillage d'un systeme electrique d'inversion de poussee pour turbomachine |
CN102582838B (zh) * | 2012-01-04 | 2015-01-14 | 中国商用飞机有限责任公司 | 用于操作反推力控制与作动系统的控制系统及控制方法 |
FR2994418B1 (fr) * | 2012-08-09 | 2015-07-24 | Aircelle Sa | Piece structurale en materiau composite telle qu'un rail pour capot coulissant d'inverseur de poussee de nacelle de moteur d'aeronef |
US9701414B2 (en) * | 2013-09-16 | 2017-07-11 | Honeywell International Inc. | Aircraft engine cowl door movement control system and method |
US10816070B2 (en) | 2018-09-26 | 2020-10-27 | Woodward, Inc. | Geared rotary power distribution unit with mechanical differential gearing for multiple actuator systems |
US11682535B2 (en) | 2021-03-12 | 2023-06-20 | Essex Industries, Inc. | Rocker switch |
WO2022197730A1 (fr) | 2021-03-15 | 2022-09-22 | Essex Industries, Inc. | Commutateur à cinq positions |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0843089A1 (fr) * | 1996-11-14 | 1998-05-20 | Hispano-Suiza | Système de commande électrique pour inverseur de poussée de turboréacteur |
US6439504B1 (en) * | 2001-06-15 | 2002-08-27 | Honeywell International, Inc. | System and method for sustaining electric power during a momentary power interruption in an electric thrust reverser actuation system |
EP1413736A1 (fr) * | 2002-10-25 | 2004-04-28 | Hispano Suiza | Inverseur de poussée electromecanique de turboréacteur à portes |
WO2006134253A1 (fr) * | 2005-06-16 | 2006-12-21 | Aircelle | Systeme de commande pour nacelle de turboreacteur |
Family Cites Families (19)
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US1413736A (en) * | 1921-08-25 | 1922-04-25 | Lewis H Jacobs | Automobile wheel fender |
FR707098A (fr) | 1930-03-06 | 1931-07-02 | Bateau de sauvetage à populsion hydraulique | |
FR701058A (fr) | 1930-08-26 | 1931-03-11 | Accoudoir portatif de voyage | |
US2872222A (en) * | 1953-03-09 | 1959-02-03 | Rudolph A Gohlke | Mower reel sharpening and actuating means |
US2912470A (en) * | 1956-01-04 | 1959-11-10 | Detrex Chem Ind | Method of dehydrohalogenating halogenated hydrocarbons |
US2922307A (en) * | 1956-09-19 | 1960-01-26 | Bendix Aviat Corp | Engine starter drives |
RU2044912C1 (ru) * | 1992-11-02 | 1995-09-27 | Акционерное общество открытого типа "Авиадвигатель" | Реверсивное устройство |
US5899411A (en) * | 1996-01-22 | 1999-05-04 | Sundstrand Corporation | Aircraft electrical system providing emergency power and electric starting of propulsion engines |
FR2758161B1 (fr) * | 1997-01-09 | 1999-02-05 | Hispano Suiza Sa | Inverseur de poussee a grilles a installation de verin de commande optimisee |
FR2760047B1 (fr) * | 1997-02-27 | 1999-05-07 | Hispano Suiza Sa | Inverseur de poussee de turboreacteur a portes associees a un dispositif de synchronisation de commande |
US6681559B2 (en) * | 2001-07-24 | 2004-01-27 | Honeywell International, Inc. | Thrust reverser position determination system and method |
US6655125B2 (en) * | 2001-12-05 | 2003-12-02 | Honeywell International Inc. | System architecture for electromechanical thrust reverser actuation systems |
US6684623B2 (en) * | 2002-02-27 | 2004-02-03 | Honeywell International, Inc. | Gearless electric thrust reverser actuators and actuation system incorporating same |
US6622963B1 (en) * | 2002-04-16 | 2003-09-23 | Honeywell International Inc. | System and method for controlling the movement of an aircraft engine cowl door |
FR2846378B1 (fr) * | 2002-10-25 | 2006-06-30 | Hispano Suiza Sa | Inverseur de poussee electromecanique pour turboreacteur a synchronisation des dispositifs de verrouillage |
US7409820B2 (en) * | 2004-11-16 | 2008-08-12 | Honeywell International Inc. | Electrical thrust reverser tertiary lock system including a voltage limiting circuit |
FR2887225B1 (fr) * | 2005-06-21 | 2008-09-19 | Airbus France Sas | Nacelle d'aeronef, et aeronef muni d'au moins une telle nacelle |
FR2897339B1 (fr) * | 2006-02-16 | 2008-04-11 | Aircelle Sa | Nacelle de turboreacteur a ouverture laterale des capots |
FR2911848B1 (fr) * | 2007-01-31 | 2009-12-25 | Hispano Suiza Sa | Circuit d'alimentation en energie electrique dans un aeronef pour des equipements electriques comprenant un circuit de degivrage |
-
2008
- 2008-02-13 FR FR0800773A patent/FR2927310B1/fr not_active Expired - Fee Related
- 2008-11-21 ES ES08878087.9T patent/ES2525349T3/es active Active
- 2008-11-21 EP EP08878087.9A patent/EP2242922B1/fr active Active
- 2008-11-21 BR BRPI0822127A patent/BRPI0822127A8/pt not_active IP Right Cessation
- 2008-11-21 US US12/867,432 patent/US8939401B2/en active Active
- 2008-11-21 RU RU2010137303/06A patent/RU2502885C2/ru active
- 2008-11-21 CA CA2711945A patent/CA2711945C/fr not_active Expired - Fee Related
- 2008-11-21 WO PCT/FR2008/001632 patent/WO2010055213A1/fr active Application Filing
- 2008-11-21 CN CN2008801266560A patent/CN101946081B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0843089A1 (fr) * | 1996-11-14 | 1998-05-20 | Hispano-Suiza | Système de commande électrique pour inverseur de poussée de turboréacteur |
US6439504B1 (en) * | 2001-06-15 | 2002-08-27 | Honeywell International, Inc. | System and method for sustaining electric power during a momentary power interruption in an electric thrust reverser actuation system |
EP1413736A1 (fr) * | 2002-10-25 | 2004-04-28 | Hispano Suiza | Inverseur de poussée electromecanique de turboréacteur à portes |
WO2006134253A1 (fr) * | 2005-06-16 | 2006-12-21 | Aircelle | Systeme de commande pour nacelle de turboreacteur |
Also Published As
Publication number | Publication date |
---|---|
US8939401B2 (en) | 2015-01-27 |
FR2927310A1 (fr) | 2009-08-14 |
EP2242922A1 (fr) | 2010-10-27 |
FR2927310B1 (fr) | 2010-07-30 |
BRPI0822127A2 (pt) | 2015-06-23 |
CA2711945C (fr) | 2016-04-19 |
WO2010055213A8 (fr) | 2010-06-24 |
ES2525349T3 (es) | 2014-12-22 |
CA2711945A1 (fr) | 2010-05-20 |
CN101946081B (zh) | 2013-08-07 |
RU2502885C2 (ru) | 2013-12-27 |
US20110014043A1 (en) | 2011-01-20 |
RU2010137303A (ru) | 2012-03-20 |
BRPI0822127A8 (pt) | 2017-11-21 |
EP2242922B1 (fr) | 2014-09-17 |
CN101946081A (zh) | 2011-01-12 |
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