Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/6205—Two-part coupling devices held in engagement by a magnet
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/44—Means for preventing access to live contacts
  • H01R13/447—Shutter or cover plate
  • H01R13/453—Shutter or cover plate opened by engagement of counterpart
  • H01R13/4538—Covers sliding or withdrawing in the direction of engagement
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/66—Structural association with built-in electrical component
  • H01R13/6608—Structural association with built-in electrical component with built-in single component
  • H01R13/6633—Structural association with built-in electrical component with built-in single component with inductive component, e.g. transformer
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/66—Structural association with built-in electrical component
  • H01R13/70—Structural association with built-in electrical component with built-in switch
  • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
  • H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
  • H01R13/7037—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling making use of a magnetically operated switch
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
  • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
  • H01R11/30—End pieces held in contact by a magnet
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/66—Structural association with built-in electrical component
  • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
  • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
  • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts

Definitions

• the invention relates to a set of electrical outlets having an electrical plug and socket adapted to collaborate with each other removably.
• Said plug has at least two electrical tracks.
• Said base comprises at least two movable electrical contacts able to move between an internal position and a position external to said base.
• the assembly comprises magnetic control means having a movable magnetic element integrated in the base and secured to the movable electrical contacts. At least one magnet generates a first magnetic attraction flux attracting the movable magnetic element and moving the electrical contacts from the internal position to the outer position.
• the magnetic control means also comprise a magnetic yoke.
• US7066739 discloses a set of electrical sockets having a plug and a base respectively having annular electric tracks intended to come into contact with each other under the action of magnetic means.
• the use of annular electric tracks allows undifferentiated / blind angular positioning of the plug on the base.
• the control force of the magnetic means of the set of electrical outlets is sufficient to exert an attraction of the plug on the base when the latter is positioned in an environment close to the base.
• the control force also keeps the plug on the base in the connected position.
• EP2128936 also describes the use of magnetic means for positioning and maintaining a plug on an electrical base. As for US3521216, the magnetic means are also able to move electrical contacts of the electrical base so as to provide an electrical connection between the electrical plug and the base.
• a difficulty consists in obtaining electrical sockets comprising both remote control means and magnetic control means. Indeed, there is some incompatibility between a magnetic socket that is controlled when the plug approaches the base and a socket controlled by an electrical signal.
• the operating modes described below are hardly obtained when the electrical outlets comprise magnetic control means and electrical means.
• the extraction of the mobile electrical contacts of the base must take place when the plug is present on the base and when the authorization is given. Conversely, the extraction of the mobile electrical contacts must not take place when the plug is present on the base and the authorization is not present. Finally, the extraction of contacts should not take place when the card is absent and the authorization is present.
• the return of the electrical contacts in the base must be performed when the plug is present and that the electrical control has disappeared. Contacts must be retracted when the plug is removed and the electrical control is still present.
• the invention therefore aims to remedy the drawbacks of the state of the art, way to propose a set of electrical outlets adapted to ensure a secure electrical connection between the base and the electrical plug.
• the set of electrical outlets comprises:
• a plug comprising at least two electric tracks
• an electrical base adapted to mate with said plug and comprising at least two movable electrical contacts able to move between an internal position and a position external to said base;
• magnetic control means comprising:
• a first actuating coil arranged to generate a second magnetic attraction flux
• said first actuating coil and said magnet being arranged to generate a global flux of attraction when the plug is coupled to said base, said global attraction flux being composed of a sum of the first and second magnetic attraction fluxes; and being arranged to generate a resultant force greater than said second control force to allow movement and maintenance of the electrical contacts in the outer position.
• said second stream can not alone place the electrical contacts in the external position.
• the assembly also comprises a second actuating coil generating a magnetic retraction flux arranged to attract the movable magnetic element and drive the electrical contacts from the external position to the internal position when the plug is coupled to said base.
• the set of sockets comprises magnetic sensors for measuring a direction of a magnetic flux flowing in the magnetic yoke, a first sensor said sensor mechanism and a second sensor said outlet.
• the first mechanism sensor is positioned near the first actuating coil so as to determine at least a first and a second direction of a magnetic attraction flux flowing in the magnetic yoke.
• the first mechanism sensor measures the direction of the first magnetic attraction flux maintaining the movable magnetic element and the electrical contacts in the external position.
• the first direction of the first magnetic attraction flux measured by the first mechanism sensor is representative of a first physical state of arrangement of the movable magnetic element.
• the second direction of the first magnetic attraction flux is representative of a second physical state of arrangement of the moving magnetic element, the second physical state being different from the first state.
• the first and the second direction of the first magnetic attraction flux (respectively represent an extracted position and a retracted position of the movable magnetic element, the extracted and retracted positions of the movable magnetic element being respectively associated with external and internal positions of the electrical contacts.
• the second pickup sensor is positioned near the second actuating coil so as to determine at least a first and a second direction of the first magnetic flux. of attraction now the movable magnetic element and the electrical contacts in the external position.
• the first direction of the first magnetic attraction flux measured by the second tap sensor is representative of a first physical state of arrangement of the moving parts of the electrical plug assembly, the second direction of the first magnetic attraction flux being representative of a second physical state of arrangement of the moving parts of the electrical assembly, the second physical state being different from the first state.
• the first and second directions of the first magnetic attraction flux measured by the second tap sensor are respectively representative of the position of said electrical plug relative to the base.
• the base comprises shutter means adapted to pass from a closed position to an open position under the action of the first control force to let the electrical contacts of the internal position at the external position; the shutter means respectively comprising two shutter flaps, each shutter shutter being connected to a closing spring.
• FIG. 1 represents a sectional view a set of electrical outlets according to a known embodiment in a first operating position
• FIG. 2 represents a sectional view of a set of electrical outlets according to a known embodiment in a second operating position
• FIG. 3 represents a diagrammatic sectional view of a set of electrical sockets according to a preferred embodiment of the invention in a first operating position;
• Figure 4 shows a schematic sectional view of a set of electrical outlets according to Figure 3 in a second operating position;
• Figures 5 to 7 show a map of the magnetic flux flowing in the set of electrical outlets in different operating positions;
• Figures 8 and 9 show the evolution curves of the forces applied between the base and the plug during an extraction phase;
• FIG. 10 represents the evolution curves of the forces applied between the base and the plug during a retraction phase;
• FIG. 11 represents the evolution curves of the forces applied when the plug is absent;
• Figure 12 shows an exploded view of a base of a set of outlets according to a particular embodiment of the invention;
• Figures 13 and 14 show a perspective view of a set of electrical outlets according to a preferred embodiment of the invention.
• the set of electrical outlets 1 comprises a plug 10 and a base 20 adapted to collaborate with each other removably.
• said electrical plug 10 comprises a body 15 comprising at least one substantially flat contact face.
• Said electrical base 20 comprises a body 25 comprising at least one substantially flat contact face.
• the contact faces of the base 20 and the plug 10 are intended to be placed in contact with each other when said plug is in contact with said base ( Figure 2).
• the plug 10 comprises at least two electrical tracks 1 1, 12 disposed on the contact face of said plug. Said electrical tracks are preferably annular and concentric. In addition, said tracks are electrically insulated from each other.
• the electrical tracks 1 1, 12 are connected to electrical wires 17 and are intended to collaborate respectively with electrical contacts 21, 22 of the electrical base 20.
• the electrical plug 10 preferably comprises an electrical contact 14 to be connected to a ground.
• This earth electrical contact 14 is positioned at the center of the two concentric annular tracks 11, 12. Said tracks are arranged around an axis of revolution Y.
• the base 20 comprises at least two electrical contacts 21, 22 intended to be connected to unrepresented electrical wires.
• the electrical contacts 21, 22 are integral with a magnetic element 23 placed inside the housing 25 of the base 20.
• Said at least two electrical contacts 21, 22 are movable and can move between an internal position in the base 20 and a external position outside the base to be respectively in direct electrical contact with the electrical tracks 1 1, 12 of the electrical plug 10.
• the flat contact face of the base 20 has openings 27 through which the electrical contacts 21, 22 can pass.
• the electrical base 20 preferably comprises an electrical contact 24 intended to be connected to a ground.
• This earth electrical contact 24 is preferably positioned in the center of the contact surface of the base to come into contact with the earth contact 14 of the electrical plug 10.
• the set of electrical outlets 1 comprises magnetic control means 13, 23 generating a first control force F1 for positioning and holding the plug 10 on the base 20 so that the annular tracks 1 1, 12 are respectively in contact with the electrical contacts 21, 22 of the base 20.
• the magnetic means 13, 23 comprise a movable magnetic element 23 integrated in the base 20 and secured to the movable electrical contacts 21, 22.
• the magnetic control means 13, 23 comprise at least one magnet generating a first magnetic attraction flux ⁇ attr icing creating the first control force F1 attracting the movable magnetic element 23 and moving the electrical contacts 21, 22 between the internal position and the external position.
• the magnetic means 13, 23 comprise a first magnet 13 integrated in the plug 10.
• said first magnet 13 and said magnetic element 23 are annular.
• they are respectively disposed on the periphery of the contact faces of the plug 10 and the base 20 so that the first F1 control force is better distributed to improve the accuracy and efficiency of the positioning and maintenance of the sheet 10 on the base 20.
• said at least one movable magnetic element 23 comprises a magnetized zone.
• said magnetic element 23 comprises a second annular magnet intended to be placed vis-à-vis the first annular magnet 13 when the plug 10 is in contact with the base 20.
• the presence of the second annular magnet of the movable magnetic element 23 makes it possible to increase the intensity of the first magnetic attraction flux ⁇ a ttraci as well as the first control force F1.
• the magnetic control means 13, 23 comprise a magnetic yoke 33 disposed in the plug 10.
• the yoke comprises the first magnet 13.
• said yoke comprises a body having a first magnetic zone secured to the first magnet 13.
• the body of the first portion has a substantially cylindrical shape.
• the electrical contacts 21, 22 are held in the position inside the base 20 (internal position) by elastic control means 28 generating a second control force F2.
• the elastic means 28 comprises a spring.
• the second control force F2 is opposite to the first control force F1 and tends to move the electrical contacts 21, 22 between the external position and the internal position.
• the set of electrical outlets 1 comprises two actuating coils 50, 60.
• a first actuator coil 50 is adapted to generate a second magnetic flux attracting ⁇ i> ttrac2 to attract the movable magnetic member 23 and the electrical contacts 21, 22 of the inner position to the outer position. Concomitant with the displacement of the electrical contacts from the internal position to the external position, the movable magnetic element 23 moves from a retracted position to an extracted position. In other words, the extracted and retracted positions of the movable magnetic member 23 are respectively associated with the outer and inner positions of the electrical contacts 21, 22.
• a second actuator coil 60 is adapted to generate a retraction magnetic flux ⁇ i> re ttrac tending to move the movable magnetic element 23 and the electrical contacts 21, 22 from the external position to the internal position.
• a global flux of attraction is then composed of a sum of the first and second magnetic attraction flux ⁇ i> a ttrac-i, ⁇ i> attrac2 allowing the displacement and the maintenance of the electrical contacts 21, 22 in the position external.
• said second flow ⁇ i> ttrac2 is not of sufficient intensity to generate a force capable of moving the electrical contacts of the inner position to the outer position.
• said second flux trac2 is not of sufficient intensity to maintain the electrical contacts 21, 22 in the external position.
• said second flux ⁇ > at trac2 has an intensity lower than a displacement threshold allowing the displacement and positioning of the electrical contacts 21, 22 in the external position.
• the attraction force F3 generated by the second stream ⁇ i> ttrac2 is of lower intensity than the second force F2 control force.
• the set of electrical sockets 1 comprises magnetic measurement sensors 55, 65 of a direction 55A, 55B, 65A, 65B of a circulating magnetic flux. in the magnetic yoke 33, a first sensor said mechanism sensor 55 and a second sensor said socket 65.
• the first mechanism sensor 55 of the set of electrical outlets 1 is positioned near the first actuating coil 50 so as to determine at least a first and a second direction of a magnetic flux flowing in the magnetic yoke 33.
• the first sensor mechanism 55 is adapted to measure the direction 55A, 55B of the first magnetic flux attracting ⁇ i> tt ra one generated by the magnetic means 13, 23.
• the first direction 55A of the first magnetic flux attracting ⁇ i> tt rac i measured by the first sensor mechanism 55 is representative of a first physical arrangement of the movable magnetic member 23.
• the second condition toward the first magnetic flux attracting ⁇ i> tt ra is representative of a second physical arrangement of the movable magnetic member 23.
• the second physical state is different from the first state.
• the first and second direction 55A, 55B of the first magnetic flux attracting ⁇ i> tt ra are respectively representative of the extracted position and the retracted position of the movable magnetic member 23.
• first and second direction 55A, 55B of the first magnetic flux attracting ⁇ i> tt ra are independent of the position of the record 10 relative to the base 20.
• the processing unit when the first mechanism sensor 55 measures a first direction 55A of the first magnetic attraction flux i> a ttraci, the processing unit is able to determine that the movable magnetic element 23 is in an extracted position and that the electrical contacts are outside the base in an external position. Conversely, as shown in FIG. 6, when the first mechanism sensor 55 measures a second direction 55B of the first magnetic attraction flux i> a ttraci, the processing unit is able to determine that the movable magnetic element 23 is in a position retracted and that the electrical contacts are inside the base in an internal position.
• the first sensor mechanism 55 is adapted to measure the direction 55A, 55B of the first magnetic flux attracting ⁇ i> tt ra latter now the movable magnetic member 23 and the electrical contacts 21, 22 in the outer position.
• the second pick-up sensor 65 of the set of electrical outlets 1 is positioned near the second actuating coil 60 so as to determine at least a first and a second direction 65A, 65B of a magnetic flux flowing in at least part of the magnetic yoke 33.
• the first direction 65A of the first magnetic flux attracting ⁇ i> tt rac i measured by the second outlet sensor 65 is representative of a first physical state of arrangement of the movable parts 10, 23 of the electrical plug assembly 1.
• the second direction 65B of the first magnetic attraction flux traci measured by the second capture sensor 65 is representative of a second physical state of arrangement of the moving parts 10, 23 of the electrical assembly 1. The second physical state is different from the first state.
• the first and second direction 65A, 65B of the first magnetic flux attracting ⁇ i> tt ra one measured by the second outlet sensor 65 are respectively representative of the position of said electrical plug 10 relative to the base 20.
• the processing unit when the second pick-up sensor 65 measures a first direction of the first magnetic flux of attraction i> a ttraci, the processing unit is able to determine that said electrical plug 10 is connected to the base 20.
• the processing unit is able to determine that said electrical plug 10 is disconnected from the base 20.
• the tap assembly comprises a processing unit (not shown) able to initiate control sequences of the first and second actuating coils 50, 60. Depending on the measurements of the first and second sensors 55, 65, the treatment can establish a state of operation of the electrical assembly.
• the processing unit authorizes the supply of the first actuating coil 50 when two operating conditions are met simultaneously.
• the processing unit must firstly have detected a presence of electrical plug 10 and secondly the movable magnetic element 23 must be in the retracted position. Thus, if the conditions are met, the processing unit can then initiate a sequence of extraction of electrical contacts
• the processing unit authorizes the supply of the second actuating coil 60 when two operating conditions are met simultaneously.
• the processing unit must have an instruction of non-supply of the set of catch and on the other hand the mobile magnetic element 23 must be in extracted position.
• the processing unit can then initiate a retraction sequence of the electrical contacts 21, 22.
• the first control force F1 has no effect on the positioning of the electrical contacts 21, 22 when the plug 10 is remote from the base 20.
• the electrical contacts 21, 22 placed in the internal position are recessed relative to the contact surface of the base 20.
• the electrical contacts 21, 22 are maintained in this position inside the housing 25 of the base 20 by elastic control means 28 generating the second force of F2 command.
• the intensity of the first control force F1 remains lower than that of the second control force F2.
• the solid line curve represents the forces generated by the first control force F1 as a function of the position of the movable magnetic element 23 and the dotted line curve represents the forces generated by the second control force F2. While the movable magnetic element 23 is in a retracted position, the first control force F1 is smaller than the second control force F2 and is not sufficient to initiate movement alone the movable magnetic element 23 (5, 3 Newton for a spring 28 to 10 Newton).
• the first control force F1 varies between two extreme values corresponding to the internal and external positions of the electrical contacts 21, 22.
• the sizing of the set of sockets according to the invention was then done for example to obtain a control force equivalent to 52 Newtons when the electrical contacts 21, 22 are in the external position.
• the first equivalent F1 control force measured when the electrical contacts 21, 22 are in the internal position is then equal to 5.3 Newtons.
• the first actuating coil 50 is fed via the processing unit and the second attraction flow ⁇ i> at trac2 generates a force whose intensity is added to that of the first control force F1.
• the first resultant force F T i is greater than the second control force F2.
• the magnetic element 23 and the magnet 13 are then attracted to each other which causes a sudden positioning and a holding of the plug 10 on the base 20.
• the first resulting force F T i acts on the magnetic element 23 and causes its displacement from the internal position to the external position.
• the first resulting force F T i is thus able to move the electrical contacts 21, 22 between the two positions.
• the total extraction sequence lasts approximately 10ms, ie half a half cycle.
• the power supply scenario is simply a half-period of the network voltage.
• the temperature rise of the first actuating coil 50 for a cycle is about 4 ° C. This temperature rise is acceptable because the extraction cycles are controlled and limited in time (in time and in number). However, it is possible to reduce this temperature rise by increasing the amount of copper in the coil.
• the plug 10 is removed, then the first control force F1 is canceled and the second control force F2 is then able to move the electrical contacts 21, 22 between the external position and the internal position.
• the holding force of the magnetic element 23 in the extracted position is about 53 Newton.
• the resisting force provided by elastic control means 28 at this point is 20 Newton. Thanks to the invention, it is possible to move the magnetic element 23 from the extracted position to the retracted position while the plug 10 is still connected to the base 20. In other words, while the latter is on the base 20, it It is possible to cut the power supply of the plug 10 by moving the electrical contacts 21, 22 from their external positions and towards their internal positions.
• the magnetic flux retraction ⁇ i> re ttrac By supplying the second actuating coil 60, retraction of the magnetic flux ⁇ i> re ttrac tends to generate a force opposing to the first control force F1.
• the magnetic flux retraction ⁇ i> re ttrac generates a force whose intensity is subtracted from that of the first control force F1.
• the second resultant force F J2 is then smaller than the second control force F2.
• the control force exerted on the magnetic element 23 then passes from 53 to 16.6N.
• the resistant force F2 provided by the elastic control means 28 is then sufficient to initiate the movement of the magnetic element 23 from the extracted position to the retracted position.
• the total retraction sequence lasts approximately 10ms, ie half a network alternation.
• the power supply scenario is simply half a period of the network voltage.
• the base 20 of the electrical outlet assembly 1 comprises shutter means 26.
• Said shutter means are positioned in front of the openings 27 through which the electrical contacts can pass.
• the shutter means 26 are able to pass from a closed position to an open position under the action of the first control force F1 to let the electrical contacts 21, 22 from the internal position to the position. external.
• the opening of the shutter means 26 is preferably caused by a thrust of the electrical contacts 21, 22 on said shutter means 26. When the electrical contacts 21, 22 move under the action of the first force of F1 control, they tend to spread the shutter means 26 to pass through the openings 27.
• the shutter means 26 of each opening respectively comprises two shutters shutters.
• Each shutter shutter is then connected to a closing spring 29.
• the shutter means 26 are returned to a closed position under the action of force generated by closing springs 29.
• the base 20 comprises contact pressure springs 30.
• each electrical contact is integrally connected to the magnetic element 23 by a contact pressure spring 30. Said springs make it possible to ensure that the contact pressure between each electrical contact 21, 22 and an electrical track 1 1, 12 is sufficient for the passage of electric current between the base 20 and the plug 10.

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

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Citations (6)

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• 2013
  • 2013-06-21 FR FR1355922A patent/FR3007588B1/fr active Active
• 2014
  • 2014-04-15 WO PCT/FR2014/050909 patent/WO2014202849A1/fr active Application Filing
  • 2014-04-15 CN CN201480023796.0A patent/CN105144494B/zh active Active
  • 2014-04-15 ES ES14725217T patent/ES2768615T3/es active Active
  • 2014-04-15 EP EP14725217.5A patent/EP3011642B1/fr active Active

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