• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Electrical equipment intended to be connected to at least one electromechanical braking actuator and at least one electromechanical drive actuator, the electrical equipment (13a) comprising a housing (30), means for fixing the housing to the undercarriage and inside the housing: - a processing unit (32) arranged to generate a brake motor control and a drive motor control; a power supply unit (37) arranged to generate an equipment supply voltage, a braking supply voltage and a drive supply voltage; a power conversion unit (40) arranged to generate a braking control voltage and a drive driving voltage; a distribution unit arranged for distributing the braking control voltage to the electromechanical braking actuator and the driving control voltage to the electromechanical drive actuator.
    公开号:FR3072924A1
    申请号:FR1760206
    申请日:2017-10-30
    公开日:2019-05-03
    发明作者:Brian GOYEZ
    申请人:Safran Landing Systems SAS；
    IPC主号:
    专利说明:

    The invention relates to the field of electrical equipment intended to be connected to an electromechanical brake actuator and to an electromechanical drive actuator.
    BACKGROUND OF THE INVENTION
    In modern aircraft, many functions, formerly implemented using purely mechanical or hydraulic systems, are performed by so-called "electrical" systems.
    When these functions are intended to drive a moving part, the electrical systems include an electromechanical actuator or an electrohydrostatic actuator. Thus, some modern aircraft are equipped with an electric flight control system or an electric braking system.
    In this context, it is envisaged to equip certain modern aircraft with an electric taxiing system. The electric taxiing system makes it possible to move an aircraft on the ground without using the aircraft reactors and without the need for an aircraft tractor. An electric taxiing system rotates certain wheels of the aircraft and therefore includes a drive device comprising an electromechanical drive actuator.
    Each electromechanical or electrohydrostatic actuator of these electrical systems must be connected by at least one power bus to a power supply unit which supplies an electric motor of
    The electromechanical or electro-hydrostatic actuator, possibly by at least one communication bus to a processing unit which controls the electric motor, and possibly by at least one communication bus to a data concentrator which receives measurements made by a sensor electromechanical or electro-hydrostatic actuator.
    It is therefore understood that a large number of power units, processing units and data concentrators are integrated in modern aircraft, and that a large number of power buses and communication buses travel in aircraft. modern.
    The proliferation of this electrical equipment and these buses tends to increase the mass and the cost of the aircraft and to reduce the reliability of the electrical systems in which they are used.
    OBJECT OF THE INVENTION
    The object of the invention is to reduce the mass and the cost of an aircraft, and to increase its reliability.
    SUMMARY OF THE INVENTION
    With a view to achieving this goal, electrical equipment is proposed which is intended to be connected to at least one electromechanical actuator for braking arranged to brake a wheel of a landing gear of an aircraft and to at least one electromechanical actuator for driving arranged to drive the wheel in rotation, the electrical equipment comprising a housing, means for fixing the housing to the undercarriage and, inside the housing:
    a processing unit arranged to generate a brake motor command from a braking instruction and a drive motor command from a taxiing instruction;
    a supply unit arranged to generate an equipment supply voltage for supplying the electrical equipment, a brake supply voltage and a drive supply voltage;
    a power conversion unit arranged to generate a brake control voltage from the brake motor control and the brake supply voltage, and a drive control voltage from the motor control d drive and drive supply voltage;
    a distribution unit arranged for braking piloting and electromechanical braking piloting electromechanical driving piloting
    Braking control equipment for one or drive.
    the
    1'aéronef.
    electric distribute the
    The voltage actuator
    The actuator of several
    It therefore reduces the electrical management and steering of the wheels necessary for the aircraft.
    so both at the so the rolling
    The undercarriage of a number of braking and taxiing equipment
    To control the electrical equipment, a single power bus and a single communication bus are required. This single power bus and this single communication bus, which run on the undercarriage and therefore which have a relatively large length, replace a multitude of power buses and communication buses of the same length. One thus reduces bus way of said important communication, number of buses as well as power the length and total bus
    We
    1'invention
    The aircraft sees that allows so
    The equipment reduce the mass according to electric and the cost of significant, and increase the electric braking and reliability of the electric taxiing system of the aircraft.
    The invention also relates to a two electrical equipment system such as that to be described, a communication bus and to the system comprising which comes a power bus connecting the two electrical equipment, an electromechanical actuator for braking and an electromechanical actuator for driving. .
    The invention further relates to a landing gear comprising a system such as that which has just been described.
    Other characteristics and advantages of the invention will emerge on reading the following description of a particular non-limiting embodiment of the invention.
    BRIEF DESCRIPTION OF THE DRAWINGS
    Reference will be made to the appended drawings, among which:
    FIG. 1 represents a system comprising two electrical items of equipment according to the invention positioned on a undercarriage, two undercarriage wheels each provided with a brake, and a wheel drive device;
    FIG. 2 represents an electrical equipment according to the invention.
    DETAILED DESCRIPTION OF THE INVENTION
    With reference to FIG. 1, the invention is here implemented on a landing gear 1 of an aircraft comprising two wheels 2a, 2b.
    Each wheel 2 comprises a brake 3 intended to brake the wheel 2. The brake 3 comprises an actuator carrier on which are mounted four electromechanical braking actuators 4, and friction members, in this case a stack of carbon discs 5.
    The four electromechanical braking actuators 4 are used to apply a braking force to the stack of carbon discs 5 and thus exert a braking torque on the wheel 2 which slows down the rotation of the wheel 2 and therefore brakes the aircraft when that -this is on the ground.
    Each electromechanical brake actuator 4 comprises a body fixed to the actuator holder and a pusher.
    An electric motor and a mechanical module are integrated inside the body of the electromechanical brake actuator 4.
    The mechanical module transforms a rotational movement of an output shaft of the electric motor into a linear movement of the pusher.
    The pusher is actuated by the electric motor, via the mechanical module, to slide and apply the braking force on the stack of carbon discs 5.
    Each electromechanical braking actuator 4 further comprises a blocking member enabling parking braking to be implemented. The blocking member is arranged to hold the output shaft of the electric motor in a given position, so as to lock the pusher in position.
    A drive device 6 for the wheels 2 is positioned at the bottom of the undercarriage 1. The drive device comprises an electromechanical drive actuator
    The electromechanical drive actuator comprises an electric motor and is arranged to drive the wheels 2 in rotation when the aircraft is on the ground.
    integrated on each wheel 2.
    These sensors 8 include, for each wheel
    2, a pressure sensor prevailing inside a tire 10 of the wheel 2, a temperature sensor prevailing inside the stack of carbon discs 5
    and a sensor of a speed of rotation of wheel 2. Of course, other sensors can be planned, by example one sensor wear brake the wheel 2. A concentrator data 11 is associated with
    each wheel
    2. The data concentrators 11 are positioned on the undercarriage 1. The data concentrators 11 receive measurements made by them process and store these measurements, and carry out monitoring functions thanks to these measurements.
    A brake fan 12 is integrated in each wheel 2. The brake fans 12 make it possible to cool the stacks of carbon disks 5 between a landing and a take-off following the landing. It is noted that the brake fans 12 are optionally mounted on the aircraft.
    Two electrical equipment according to the invention 13a, 13b are positioned on the undercarriage 1. An electrical equipment 13a "from the left" is associated with the wheel 2a located to the left of the undercarriage 1 (relative to a longitudinal axis of a leg of the undercarriage 1), and electrical equipment 13b "on the right" is associated with the wheel 2b situated to the right of the undercarriage 1.
    We note drive 6 drive 7) however here that the device (and therefore the electromechanical actuator is controlled by the electrical equipment
    13a. In the event of failure of said electrical equipment 13a, the other electrical equipment 13b is responsible for this control.
    With reference to FIG. 2, the electrical equipment 13a associated with the wheel 2a is described here. Of course, the following is also valid for the other electrical equipment 13b associated with the other wheel 2b.
    The electrical equipment 13a is connected to each of the four electromechanical braking actuators 4 of the brake 3 of the wheel 2a by a high power cable 15 and by an analog communication cable 16, to the drive device 6 by a high cable power 17 and by an analog communication cable
    18, to the brake fan 12 by a low power cable 19, to the sensors 8 by low power cables 20, digital communication cables 21 and analog communication cables 22, to the data concentrator 11 by a low cable power 23 and by a digital communication cable 24, and to the other electrical equipment 13b by a low power bus 34 and by a digital communication bus 35. Each digital communication cable comprises one or more wires on which signals circulate digital. Each analog communication cable includes one or more wires on which analog signals flow.
    The electrical equipment 13a is also connected to the rest of the aircraft by a high-power bus 26 and by a digital communication bus 27.
    The high power bus 26 carries electrical power from an electrical core 28 of the aircraft.
    The digital communication bus 27 connects the electrical equipment 13a to a computer 29. The computer 29, integrated into an avionics network of the aircraft, is positioned in a bay located in the fuselage of the aircraft. The computer 29 belongs to the set of 1ΆΤΑ42 systems (Integrated Modular Avionics). The digital communication bus 27 is for example a digital bus of AFDX type or of pAFDX type.
    The electrical equipment 13a comprises a housing 30 and means for fixing the housing 30 to the undercarriage 1. Here, the housing 30 is fixed to the leg of the undercarriage 1. The housing 30 is in the form of a wardrobe. The cabinet has a door arranged to allow an operator on the ground to access the interior of the housing 30.
    The term “door” is understood here to mean any access means capable of undergoing a displacement between an open position in which the interior of the housing 30 is accessible and a closed position in which the access means closes the housing 30. The means access is removable or not.
    The electrical equipment 13a comprises a processing unit 32. The processing unit 32 comprises one or more processing components in which are programmed a brake control module, a brake motor control module, a brake control module taxiing, and a drive motor control module.
    The processing component (s) here comprise a microcontroller and / or an FPGA and / or an ASIC and / or a processor.
    The processing unit 32 receives from the computer
    29, via the digital communication bus
    27, a braking instruction.
    The braking control module receives the braking instruction and implements high-level braking control laws, including slow loops, to produce a braking command.
    The brake motor control module acquires the brake control and implements rapid motor control servo loops to produce a brake motor control.
    The processing unit 32 also receives commands from the locking members of the electromechanical braking actuators 4 of the wheel 2a.
    The processing unit 32 also receives from the computer 29, via the digital communication bus
    27, a taxiing instruction on the ground.
    The taxiing control module receives the taxiing instruction and implements high-level taxiing control laws, including slow loops, to produce a taxiing command. The drive motor control module acquires taxiing control and implements rapid servo control loops
    motor, for produce a ordered of engine drive.
    The processing unit 32 also receives a command to activate the brake fan 12.
    The processing unit 32 receives digital data produced by the sensors 8 via the digital communication cables 21, analog data produced by the sensors 8 via the analog communication cables 22, and exchanges digital data with the data concentrator 11 via digital communication cable 24.
    The processing unit 32 of the electrical equipment 13a also exchanges digital data with the processing unit 32 of the other electrical equipment 13b via the digital communication bus 35.
    The electrical equipment 13a further comprises a supply unit 37. The supply unit 37 receives from the electrical core 28, via the high power bus 26, a general supply power, ie a current general supply under a general supply voltage.
    The supply unit 37 produces, from the general supply voltage, a low supply voltage and a high supply voltage.
    The low supply voltage constitutes both an equipment supply voltage used to supply the electrical components of the electrical equipment 13a, a fan supply voltage used to supply the brake fan 12, a voltage d sensor supply used to supply the sensors 8, a data concentrator supply voltage used to supply the data concentrator il, and an outgoing supply voltage.
    The high supply voltage constitutes both a braking supply voltage for supplying the electromechanical brake actuators 4 and a drive supply voltage for supplying the electromechanical drive actuator 7.
    The high supply voltage here is a DC voltage of 540Vdc, but could be a different voltage, for example a DC voltage of
    0 OVdc, of 270Vdc, of
    300VDC,
    The low supply voltage here is a DC voltage of
    8Vdc, but could be a different voltage, for example a DC voltage of lOVdc, 15Vdc, etc.
    means
    The power supply unit also includes protection means to prevent a return of power back to an electrical system.
    The aircraft located upstream of the electrical equipment
    13a. "Upstream" means on the fuselage side of
    The aircraft, and not on the side of the wheel 2a. The electrical system in question here includes electrical
    13a by the high power bus 26.
    The return power can by generated by inverters of the example unit be power conversion 40 (which will be discussed below). Ways
    The supply unit 37 also includes monitoring means which monitor the operation of the supply unit 37.
    The electrical equipment 13a further comprises a power conversion unit 40. The power conversion unit 40 here comprises four power conversion members 41, that is to say one per electromechanical braking actuator 4. Each member power conversion 41 includes an inverter and a digital communication module.
    Each power conversion member 41 is first of all intended to drive an electromechanical braking actuator 4 of the brake 3 of the wheel 2a.
    The digital communication module of the power conversion device 41 thus receives the brake motor command (generated by the processing unit 32) and the brake supply voltage (i.e. the voltage of high power supply generated by the power supply unit 37), and produces from the braking motor control and from the braking supply voltage a braking control voltage intended for the electromechanical braking actuator 4.
    The brake control voltage is a three-phase alternating voltage.
    One of the power conversion members 41 is also used to control the electromechanical drive actuator 7 of the drive device 6. The digital communication module of this power conversion member 41 thus receives the motor command from drive (generated by the processing unit 32) and the drive supply voltage (i.e. the high supply voltage generated by the supply unit 37), and produced from the control of the drive motor and of the drive supply voltage a drive control voltage intended for the electromechanical drive actuator 7.
    The drive control voltage is a three-phase AC voltage.
    It is noted that the braking control voltage and the drive control voltage are identical, so that one of the power conversion members 41 can indeed be used both to control an electromechanical braking actuator 4 and
    Electromechanical actuator possible by electromechanical electromechanical drive 7. the fact that braking 4 drive 7
    This is also made actuators and actuators are not activated simultaneously.
    Each power conversion unit also includes sensors for electrical parameters (currents, voltage). The measurements made by the electrical parameter sensors are fed back by the digital communication module from the power conversion unit 41 to the processing unit 32.
    The electrical equipment 13a also includes a filter unit 43, located at the outlet of the processing unit 32, the power supply unit 37 and the power conversion unit 40. The filter unit 43 allows meet the requirements for electromagnetic compatibility and lightning resistance specified by the aircraft manufacturer.
    The electrical equipment 13a further includes a distribution unit. The distribution unit comprises a matrix of contactors 45 comprising inputs, outputs, and inputs / outputs.
    An output of the power supply unit 37 is connected, via the filter block 43, to an input El of the contactor matrix 45. The low supply voltage is applied to this input El.
    The outputs of the four power conversion members 41 of the power conversion unit are each connected to an input E2 distinct from the matrix of contactors.
    The brake control voltage, which is also the drive control voltage, is applied to each of these inputs.
    E2.
    An output of the processing unit 32 is connected to an I / O input / output of the contactor matrix 45.
    The processing unit 32 exchanges analog or digital data via this I / O input / output.
    An output SI of the contactor matrix 45 is connected to the brake fan 12 via the low power cable 19. An output S2 of the contactor matrix 45 is connected to the sensors 8 via the low power cables 20. An output S3 of the contactor matrix 45 is connected to the data concentrator 11 via the low power cable 23. For each of the four electromechanical braking actuators 4, an output S4 of the contactor matrix 45 is connected to said electromechanical braking actuator 4 via a cable of high power 15, and an input / output E / S2 of the matrix of contactors 45 is connected to said electromechanical braking actuator 4 via an analog communication cable 16.
    An output S5 of the contactor matrix 45 is connected to the drive device 6 via the high power cable 17, and an I / O input / output3 of the contactor matrix 45 is connected to the drive device 6 via the cable analog communication 18.
    An entry / exit
    I / S4 of the contactor matrix 45 is connected to the electrical equipment 13a, the other contactor equipment 45 is low power 34, to
    The matrix of an input / output port 46 which is connected, via the electric bus 13b. configurable by the processing unit
    When the braking setpoint unit is configured to control braking, the matrix receives contactors 45 for processing one than the electrical equipment of wheel 2a. The matrix can
    13a of contactors 45 then distributes the braking control voltage produced by each power conversion device 41 to one of the electromechanical braking actuators 4. Analog data is exchanged via analog communication cables 16, the inputs / outputs E / S2 and the input / output ES1 of the contactor matrix 45, between the processing unit 32 and the electromechanical braking actuators 4.
    When the processing unit 32 receives a taxiing instruction on the ground, the contactor matrix 45 can be configured so that the electrical equipment 13a controls a drive of the wheel 2a.
    The matrix of contactors 45 then distributes the drive control voltage produced by one of the power conversion members 41 to the drive device 6 and therefore to the electromechanical drive actuator 7.
    Analog data is exchanged, via the analog communication cable 18, the I / O input / output 3 and the I / O input / output between the processing unit 32 and the drive device 6.
    Of course, the power transmission and the data exchanges with the drive device 6 only concern the electrical equipment which is in charge of driving the taxiing on the ground, that is to say, in normal mode, the electrical equipment 13a, or, in the event of failure of the electrical equipment 13a, the electrical equipment 13b. In the event of a breakdown of the electrical equipment 13a, it is indeed the other electrical equipment 13b which controls the taxiing on the ground, that is to say which supplies and controls the electromechanical drive actuator 7 of the device 6. Thus, in the event of the loss of one of the electrical equipment 13a, 13b, no loss or degradation of the running function on the ground is observed.
    In the event of failure of the power supply unit of the other electrical equipment 13b, the matrix of contactors 45 can be configured to apply to
    I / O input / output 4 and therefore on the input / output port an outgoing supply voltage. The outgoing supply voltage is low. Thus, the equipment the electrical supply voltage 13a supplies the other electrical equipment 13b with outgoing supply.
    Similarly, in the event of a voltage failure
    The power supply unit 37 for the input / output electrical equipment supply voltage 46 and
    Electrical equipment
    13a, an incoming, from
    1 'other
    13b, on is applied
    1 entry / exit on the port
    I / S4 of the contactor matrix
    The electrical equipment 13a is then supplied by means of the incoming supply voltage supplied by the other electrical equipment 13b.
    The tension The tension
    On power supply note that the power supply power 34.
    inbound is also equal to bass.
    incoming voltage transmission and outgoing transmission use same bus low voltage
    The contactor matrix that, when contactor activation is configured for the processing unit receives a brake fan command
    12, the matrix applies to the output SI of the brake fan supply voltage 12
    19.
    The matrix permanence so supplies the sensors with the low supply voltage of contactor matrix 45. The bass is then transmitted to via the low power contactor cable 45 is configured in that the electrical equipment 13a
    11. The matrix of contactors 45 therefore applies low power to the outputs S2, S3 of the voltage data matrix of contactors 45. The low supply voltage is transmitted to the sensors 8 and to the data concentrator 11 via the cables low power 20, 23.
    The matrix of contactors 45 can also be configured to perform load shedding, that is to say to disconnect one or more electromechanical braking actuators 4 or the drive device 6 or one of the other devices (brake fan 12 , data concentrator 11, etc.). Such load shedding may be necessary in the event of a breakdown of one of these pieces of equipment or in the event of a breakdown of a 1ΆΤΑ24 piece of equipment (electrical core 28, electrical energy generator, means for storing electrical energy, etc. .).
    Advantageously, the processing unit 32 and / or the supply unit 37 and / or the power conversion unit 40 and / or the distribution unit are units which can be replaced online. Thus, in the event of a breakdown of one of these units or in the case where a maintenance operation is necessary, an operator on the ground can easily access the unit in question through the door of the cabinet and proceed to deposit unit and its replacement.
    Of course, the invention is not limited to the embodiment described but encompasses any variant coming within the scope of the invention as defined by the claims.
    In electrical equipment, the number of power conversion devices may be different.
    The brake supply voltage and the drive supply voltage, as well as the brake control voltage and the drive control voltage, may be different. Likewise, the equipment supply voltage, fan supply voltage, sensor supply voltage, data concentrator supply voltage and outgoing supply voltage may be different.
    The drive control voltage is not necessarily generated by a power conversion device which also generates the brake control voltage. The drive control voltage can also be generated by the paralleling, carried out by the matrix of contactors 45, of one or more 10 conversion members 41.
    The architecture presented may be different. For example, it is possible to have only one piece of electrical equipment per undercarriage, a different number of electromechanical brake actuators by brake, etc.
    权利要求:
    Claims (12)
    [1]
    1. Electrical equipment intended to be connected to at least one electromechanical braking actuator (4) arranged to brake a wheel (
    [2]
    2a, 2b) of an undercarriage (1) of an aircraft and at least one electromechanical drive actuator (7) arranged to drive the wheel in rotation, the electrical equipment (13a, 13b) comprising a housing (30 ), means for fixing the housing to the undercarriage (1) and, inside the housing:
    a processing unit (32) arranged to generate a braking motor command from a braking instruction and a drive motor command from a taxiing instruction;
    a supply unit (37) arranged to generate an equipment supply voltage for supplying the electrical equipment (13a, 13b), a brake supply voltage and a drive supply voltage;
    a power conversion unit (40) arranged to generate a brake control voltage from the brake motor control and the brake supply voltage, and a drive control voltage from the control drive motor and drive supply voltage;
    a distribution unit arranged to distribute the brake control voltage to the electromechanical brake actuator (4) and the drive control voltage to the electromechanical drive actuator (7).
    Electrical equipment according to claim
    1, in which the housing has a door arranged to allow an operator on the ground to access the interior of the housing.
    [3]
    3. Electrical equipment according to claim 2, in which the processing unit (32) and / or the power supply unit (37) and / or the power conversion unit (40) and / or the unit dispensers are replaceable units online.
    Electrical equipment according to claim
    1, in which a brake control module, a brake motor control module, a taxiing control module and a drive motor control module are programmed in the control unit.
    [4]
    5. Electrical equipment according to claim 1, in which the supply unit (37) is also arranged to generate a supply voltage for a data concentrator (11) and / or a sensor (8) and / or a brake fan (12) connected to the electrical equipment.
    [5]
    6. Electrical equipment according to claim 1, wherein the power conversion unit (40) comprises a plurality of power conversion members (41) each comprising an inverter.
    [6]
    7. Electrical equipment according to claim 1, wherein the distribution unit comprises a matrix of contactors (45) configurable by the processing unit (32).
    [7]
    8. Electrical equipment according to claim 7, in which the contactor matrix (45) can be configured so that the electrical equipment controls braking of the wheel or a rotation drive of the wheel.
    [8]
    9. Electrical equipment according to claim 7, in which the contactor matrix (45) can be configured to apply an outgoing supply voltage to an input / output port (46) of the electrical equipment (13a), the outgoing supply voltage being intended to supply other electrical equipment (13b).
    [9]
    10. Electrical equipment according to claim 9, in which the contactor matrix (45) and the input / output port (46) are arranged so that an incoming supply voltage, coming from the other electrical equipment ( 13b), can be applied to the input / output port so as to supply the electrical equipment (13a) in the event of failure of the supply unit (37) of the electrical equipment (13a).
    [10]
    11. Electrical equipment according to claim 7, in which the contactor matrix (45) can be configured to carry out load shedding.
    [11]
    12. Electrical equipment according to
    1, in which the power supply unit (37) ascent means for claiming electrical electrical protection (38) arranged for return power to the aircraft located upstream of preventing a system of the equipment
    [12]
    13.
    of them
    System comprising electrical (13a, 13b) according to one of the preceding claims equipment, a communication bus (35) and a power bus (34) connecting the two electrical equipment, an electromechanical brake actuator (4) and an electromechanical actuator drive (7).
    5 14. Undercarriage comprising a system according to claim 13.
    类似技术:
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    同族专利:
    公开号 | 公开日
    FR3072924B1|2019-10-25|
    CN109720556A|2019-05-07|
    US20190126894A1|2019-05-02|
    EP3476677A3|2019-05-08|
    ES2896300T3|2022-02-24|
    EP3476677B1|2021-09-29|
    EP3476677A2|2019-05-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    US20080258014A1|2007-04-20|2008-10-23|The Boeing Company|Aircraft kinetic landing energy conversion system|
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    EP2666717A2|2012-05-03|2013-11-27|Goodrich Corporation|Systems and methods for aircraft braking and taxiing|
    EP3121077A1|2015-07-20|2017-01-25|Goodrich Corporation|Systems and methods for aircraft braking and taxiing|FR3110126A1|2020-05-14|2021-11-19|Safran Landing Systems|Electrical power distribution equipment for the braking and taxing system of an aircraft and the braking and taxing system of an aircraft|US20080258548A1|2007-04-18|2008-10-23|Bill May|Aircraft brake control architecture having improved antiskid redundancy|
    FR2925017B1|2007-12-13|2010-01-15|Messier Bugatti|METHOD FOR POWER SUPPLYING ACTUATORS ASSOCIATED WITH AN AIRCRAFT LANDING TRAIN|
    FR2981910B1|2011-10-26|2013-12-27|Eurocopter France|LANDFILL, AIRCRAFT AND METHOD|
    DE102013201374B4|2013-01-29|2014-11-06|Robert Bosch Gmbh|Method for detecting brake demand and device for detecting brake demand for a braking system of a vehicle|
    FR3026717B1|2014-10-03|2016-11-25|Messier-Bugatti-Dowty|AIRCRAFT ENGINEER|US11139992B1|2017-10-30|2021-10-05|Rockwell Collins, Inc.|Systems and methods for remotely powered data concentrators for distributed IMA system|
    FR3073203B1|2017-11-08|2019-12-13|Safran Landing Systems|BRAKE SYSTEM ARCHITECTURE FOR AIRCRAFT|
    法律状态:
    2018-10-22| PLFP| Fee payment|Year of fee payment: 2 |
    2019-05-03| PLSC| Publication of the preliminary search report|Effective date: 20190503 |
    2019-09-18| PLFP| Fee payment|Year of fee payment: 3 |
    2020-09-17| PLFP| Fee payment|Year of fee payment: 4 |
    2021-09-22| PLFP| Fee payment|Year of fee payment: 5 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1760206|2017-10-30|
    FR1760206A|FR3072924B1|2017-10-30|2017-10-30|ELECTRICAL EQUIPMENT FOR CONNECTING TO AN ELECTROMECHANICAL BRAKING ACTUATOR AND A DRIVING ELECTROMECHANICAL ACTUATOR|FR1760206A| FR3072924B1|2017-10-30|2017-10-30|ELECTRICAL EQUIPMENT FOR CONNECTING TO AN ELECTROMECHANICAL BRAKING ACTUATOR AND A DRIVING ELECTROMECHANICAL ACTUATOR|
    ES18202995T| ES2896300T3|2017-10-30|2018-10-26|Electrical equipment intended to be connected to an electromechanical braking actuator and an electromechanical driving actuator|
    EP18202995.9A| EP3476677B1|2017-10-30|2018-10-26|Electrical equipment to be connected to a braking electromechanical actuator and a drive electromechanical actuator|
    US16/173,746| US20190126894A1|2017-10-30|2018-10-29|Piece of electrical equipment for connecting to an electromechanical brake actuator and to an electromechanical drive actuator|
    CN201811275010.0A| CN109720556A|2017-10-30|2018-10-30|For being connected to the electrical equipment of electromechanical braking actuator and electromechanical driving actuator|
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