EP3249673B1 - Vorrichtung zur signalisierung einer elektrischen störung in einem elektrischen schutzgerät, und elektrisches schutzgerät, das eine solche vorrichtung umfasst - Google Patents

Vorrichtung zur signalisierung einer elektrischen störung in einem elektrischen schutzgerät, und elektrisches schutzgerät, das eine solche vorrichtung umfasst Download PDF

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Publication number
EP3249673B1
EP3249673B1 EP17160475.4A EP17160475A EP3249673B1 EP 3249673 B1 EP3249673 B1 EP 3249673B1 EP 17160475 A EP17160475 A EP 17160475A EP 3249673 B1 EP3249673 B1 EP 3249673B1
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EP
European Patent Office
Prior art keywords
lever
fault
signalling
handle
indicator
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Active
Application number
EP17160475.4A
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English (en)
French (fr)
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EP3249673A1 (de
Inventor
Yves Belin
Emir BOUMEDIENE
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure

Definitions

  • the present invention relates to a device for signaling the tripping of an electrical protection device such as a circuit breaker housed in an insulating box containing a pair of fixed and mobile contacts, said mobile contact being able to be actuated either manually by a handle mechanically connected to a device.
  • support of the movable contact said lever being mounted to pivot between a closed position and an open position of the contacts, either automatically by means of a trigger mechanism comprising a magnetic trip device capable of being activated upon occurrence a short-circuit fault and a thermal trip device able to be activated when an overload fault occurs, said movable contact support being mounted in rotation between an open position of the contacts and a closed position of the contacts.
  • first signaling means capable of tripping only on a short-circuit fault, as well as a device electrical protection device comprising such a device.
  • the present invention relates to a device for signaling an electrical fault in an electrical protection device, of simplified design, as well as to an electrical protection device comprising such a device.
  • the present invention relates to a signaling device of the type previously mentioned, the so-called first signaling means comprising means for blocking the aforementioned lever in an intermediate position situated between the two positions of the lever corresponding respectively to a position open and in a closed position of the device, upon the appearance of a fault of magnetic origin, these means being controlled by the movable core of the magnetic trip device, these means comprising a so-called first lever, said return, mounted articulated around a fixed axis relative to the housing of the device, this return lever comprising a first end part intended to cooperate with the movable core and a second end part intended to cooperate with the base of the lever, the aforementioned return lever cooperating with the movable core by means of a said second lever mounted articulated with respect to the housing of the apparatus, said second lever ier comprising a first end part mounted to rotate about an axis integral with the movable core and a second end part comprising a hooking element able to cooperate with a hooking element of complementary shape belonging to the first
  • this indicator is rotatably mounted relative to the housing of the device, said indicator cooperating with the said third end portion mentioned above of the return lever and comprising a surface visible to a user through an opening of the housing. the apparatus, this visible surface comprising means for indicating the presence or absence of a fault of magnetic origin as a function of the rotational position of this indicator.
  • this indicator comprises at least one colored surface portion on its visible surface, the appearance of this color through the opening of the case indicating the occurrence of a fault of magnetic origin.
  • this third end part comprises a rod comprising an axis, this axis being able to cooperate with a groove provided in the aforementioned indicator, such that the rotational drive of the return lever in one direction causes rotation in the opposite direction of the indicator.
  • this reset means comprises an element forming a finger projecting from said aforementioned surface of the indicator.
  • this third end part comprises an arm comprising an axis, this axis being able to cooperate with a groove provided in the aforementioned indicator, such that the driving in rotation of the return lever in one direction causes a rotation in the opposite direction of the indicator.
  • a further subject of the present invention is an electrical protection device comprising a signaling device comprising the previously mentioned characteristics taken alone or in combination.
  • this device comprises a signaling device comprising the previously mentioned characteristics taken alone or in combination, as well as a so-called second signaling means, able to signal the triggered state of the device regardless of the type of fault. , the activation of the two signaling means signaling a fault of the magnetic type, while the activation of a single signaling means signaling an overload fault.
  • this device is a circuit breaker.
  • this control device comprises a support device 3 for the movable contact 4 of the apparatus, this movable contact 4 cooperating with a fixed contact 5.
  • An opening 7 is provided in the front face 8 of the housing for the passage of a handle 6 mounted with limited pivoting on an axis 11 of the housing between a closed position in which the contacts 4,5 are closed, and a position of opening corresponding to the separation of the contacts.
  • the handle 6 is equipped with an internal base 9 coupled to a transmission rod 10 to constitute a toggle device whose articulation 12 is eccentric with respect to the fixed axis 11 of the handle 6.
  • the handle 6 is urged in the counterclockwise direction towards the open position of the contacts by a return spring (not shown).
  • the fixed contact 5 is secured to the frame of the electromagnetic release 13.
  • the movable contact 4 is fixed to the support device 3 of the movable contact 4, said support 3 being articulated on a pivot 14, the rotary plate 15 being mounted so as to rotate around the same. pivot 14.
  • a breakable mechanical connection is formed between the transmission rod 10 and the drive plate 15 of the contact support device 3 4.
  • the link allows manual control of the mechanism by lever 6.
  • the movement of the trigger lever 16 to the triggered position under the action of the triggers, causes the momentary rupture of the mechanical link, causing the automatic triggering of the mechanism. , independently of the handle 6.
  • the triggering lever 16 is associated with a return spring intended to ensure the automatic re-establishment of the mechanical link when the handle 6 is actuated towards the open position, following a triggering of the mechanism on fault.
  • the breakable mechanical connection comprises a hook 19 pivotally mounted on an axis 20 of the plate 15.
  • the spout 21 of the hook 19 cooperates in the locked position of the connection with a retaining notch 22 ( fig.4 ) located on the arm of the release lever 16.
  • the transmission rod 10 is coupled to the hook 19 and to the plate 15 at an articulation point 23 capable of moving during the release in two consecutive openings 24 and 26 of the plate 15. This point of articulation 23 is located between the axis of articulation 20 ( fig.3 ) of the hook 19 on the plate and the nozzle 21 ( fig.4 ) of the hooking hook.
  • the connection constitutes a reduction stage in the kinematic chain of the mechanism, allowing a reduction in the tripping force coming from the magnetothermal trip unit.
  • the hook 19 also comprises a bean-shaped or V-shaped opening 25 which, together with the openings 24 and 26 of the plate, are intended to allow the rotation of the contact carrier plate 15, during a triggering, while the rod 10 is blocked by handle 6, itself held in the contact closed position.
  • the opening 26 provided in the plate 15 also makes it possible to guide the travel of the rod when the lever returns to the open position of the contacts, after tripping.
  • the two openings 24, 26 of the plate 15 extend relative to each other so as to form a V.
  • the fault signaling device comprises a set of two levers respectively a so-called first lever 27 or a return lever intended to cooperate with the handle 6, and a said second lever 28 intended to cooperate with the movable core 29.
  • This said second lever 28 is mounted articulated about an axis 30 fixed relative to the housing of the device, said lever comprising two parts end 28a, 28b located on either side of said axis 30.
  • One of the end parts, called the first 28a, of this lever is mounted articulated around an end part 29a of the movable core 29 of the electromagnetic trigger 13, this end part of the movable core being located opposite the part of the striker 18 cooperating with the trigger lever 16, while the other end part 28b of this lever, called the second part end 28b, comprises a hooking element 33.
  • This hooking element 33 is intended to cooperate with a hooking element of complementary shape 34 belonging to the said first lever or return lever 27, which return lever 27 is mounted articulated around an axis 35 of the housing of the appa reil, such that, in the hooked position between the two levers 27,28, the rotation of the second lever 28 in the clockwise direction causes the rotation of the return lever 27 in the counterclockwise direction.
  • this return lever 27 comprises three end parts, namely respectively a first part 27a comprising the aforementioned fastening element 33, a second part 27b intended to cooperate with a signaling means 39 of a fault. magnetic origin, and a third part 27c intended to cooperate with the handle 6 as will be explained in what follows.
  • This second part 27b comprises a rod 37 comprising at its free end an axis 37a able to cooperate with a groove 39a belonging to an indicator element 39, which indicator 39 being mounted to rotate relative to another fixed axis 39b of the housing, so so that the rotation of the return lever 27 causes a corresponding rotation in the opposite direction of the indicator 39.
  • This indicator 39 ( fig.5 ) comprises a tubular portion 39c, from which extend, on either side of the aforementioned axis 39b, a U-shaped portion 39d and a finger member 39e.
  • the third part 27c of the return lever 27 comprises a branch 38a having at its free end a substantially planar surface 38b able to cooperate with a part of the base 9 of the lever 6.
  • the control device 2 is in an open position of the contacts 4,5, the handle 6 being in the open position.
  • the striker 18 is retracted inside the coil and the movable core 29 is in a position as far as possible from said coil.
  • the hooking system is activated between the two levers 27,28, the hooking element 34 of the said second lever 28 being engaged with the corresponding hooking element 33 belonging to the return lever 27, so that the signaling means 39 does not signal any fault of magnetic origin.
  • handle 6 is actuated to close contacts 4,5 ( fig.2 )
  • the latter moves the connecting rod 10 which bears on the plate 15 and on the hook 19.
  • the hook 19 is locked on the trigger bar (or lever).
  • the connecting rod 10, resting on the plate 15 and on the hook 19, causes the plate to pivot about its axis 14 until the contacts 4,5 close.
  • the rod continues to travel until it crosses the neutral point of the toggle formed by the lever 6 and the rod 10. Then, the mechanism assumes the equilibrium position which maintains the contacts closed. Switching the device from the open position ( fig.1 ) to the closed position ( fig.2 ) does not cause any change in the position of the signaling means 39, because the striker 18, and therefore the mobile core, has not been set in motion.
  • the handle 6 is actuated from the closed position shown in the figure. figure 2 until it crosses the dead center of the knee lifter in the other direction.
  • the mechanism then returns to the equilibrium position, with the contacts open, when the lever reaches the end of its travel, the position shown in the figure. figure 1 .
  • the trip bar 16 is actuated by the striker 18, as illustrated on the figure. figure 3 , the hook 19 is unlocked, but the lever 6 does not immediately return to its open position.
  • the mobile core 29 unlocks the hooking between the two levers 27,28.
  • the balance of the forces exerted by the link 10 on the mechanism is broken.
  • the plate 15 rotates around its axis 14 and opens the contacts, position shown in figure 4 .
  • the opening 25 provided inside the hook 19, allows the rotation of the hook around the axis 20 and this opening 25 of the hook as well as the openings 24,26 of the plate 15, allow the rotation of the plate, the handle still being held in the closed contacts position.
  • Unlocking the hooking between the two levers 27,28 causes the return lever 27 to rotate clockwise under the effect of a spring, not shown, returning the return lever 27 in the direction of the handle 6, this movement of the return lever driving the indicator 39 in a position in which it indicates the presence of a fault of magnetic origin.
  • the spring of the lever 6 returns the latter to the open position of the contacts and the rod 10 returns the hook 19 to the initial position.
  • the spring for biasing the hook 19 and resetting the bar 16 puts them back in a position that does not allow the hook to be locked on the bar when the handle is actuated to close the contacts.
  • the openings 24, 26 provided in the plate 15 participate in guiding the rod 10 so as to bring it back into the bearing position on the plate.
  • the lever 6 is hooked by means of its base 9 on the second hooking element 34 forming a pawl, which being released from its hooking with the second lever 28.
  • the signaling means constituted by the indicator 39 then signals the presence of a defect of magnetic origin by a change of color appearing on the outer surface portion 39f of the tubular part 39c, this outer surface portion 39f being located at right of the aforementioned finger 39th, looking head-on at the figure 5 .
  • the signaling will only appear on the faulty pole.
  • the removal of the signaling of the fault of magnetic origin will be effected by resetting the so-called secondary lever 39, formed by the aforementioned indicator, this resetting being effected by an action of driving said secondary lever in rotation by the user clockwise as shown on the figure 6 .
  • the invention applies to any electrical device comprising a mechanism of the type mentioned above, such as a circuit breaker, a switch, a differential switch, a disconnector, auxiliary contacts, etc.

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  • Breakers (AREA)

Claims (8)

  1. Vorrichtung zur Signalisierung des Auslösens eines elektrischen Schutzgeräts wie eines Schutzschalters, der in einem isolierenden Gehäuse aufgenommen ist, das ein Kontaktpaar aus einem feststehenden und einem beweglichen Kontakt umschließt, wobei der bewegliche Kontakt entweder manuell durch einen Schalthebel, der mechanisch mit einer Halterungsvorrichtung des beweglichen Kontakts verbunden ist, wobei der Schalthebel zwischen einer Schließstellung und einer Öffnungsstellung der Kontakte schwenkbar gelagert ist, betätigt werden kann oder automatisch über einen Auslösemechanismus, der einen magnetischen Auslöser mit beweglichem Kern, der geeignet ist, beim Auftreten eines Kurzschlussfehlers aktiviert zu werden, umfasst und einen thermischen Auslöser, der geeignet ist, beim Auftreten eines Überlastfehlers aktiviert zu werden, wobei die Halterung für den beweglichen Kontakt zwischen einer Öffnungsstellung der Kontakte und einer Schließstellung der Kontakte drehbar gelagert ist und mit dem Schalthebel durch ein Übertragungsmittel verbunden ist, so dass zwischen der Halterung und dem Schalthebel eine lösbare mechanische Verbindung gebildet wird, wobei die Aktivierung des einen der Auslöser die Unterbrechung der mechanischen Kontakte bewirkt, welche die Trennung der Kontakte bewirkt, und Signalisierungsmittel, erste Signalisierungsmittel genannt, die geeignet sind, nur bei einem Kurzschlussfehler auszulösen, wobei die ersten Signalisierungsmittel (S) Mittel umfassen zum Blockieren des vorgenannten Schalthebels (6) in einer Zwischenstellung zwischen den beiden Stellungen des Schalthebels, die einer geöffneten Stellung und einer geschlossenen Stellung des Geräts entsprechen, beim Auftreten eines Fehlers magnetischen Ursprungs, wobei diese Mittel durch den beweglichen Kern (29) des magnetischen Auslösers (13) gesteuert werden, wobei diese Mittel einen Hebel (27), erster Umlenkhebel genannt, umfassen, der um eine in Bezug auf das Gehäuse (1) des Geräts feststehende Achse (35) herum angelenkt ist, wobei dieser Umlenkhebel (27) ein erstes Endstück (27a), das dazu ausgelegt ist, mit dem beweglichen Kern (29) zusammenzuwirken, umfasst und ein zweites Endstück (27b), das dazu ausgelegt ist, mit dem Sockel (9) des Schalthebels (6) zusammenzuwirken, wobei der vorgenannte Umlenkhebel (27) mit dem beweglichen Kern (29) über einen Hebel, zweiter Hebel (28) genannt, zusammenwirkt, der in Bezug auf das Gehäuse (1) des Geräts angelenkt ist, wobei der zweite Hebel (28) ein erstes Endstück (28a), das um eine fest mit dem beweglichen Kern (29) verbundene Achse herum drehbar gelagert ist, umfasst und ein zweites Endstück (28b), das ein Klinkenelement (34) umfasst, das geeignet ist, mit einem zum vorgenannten ersten Endstück (27a) des Umlenkhebels (27) gehörenden komplementär ausgebildeten Klinkenelement (33) so zusammenzuwirken, dass die Einklinkstellung der beiden Hebel (27, 28) in Bezug aufeinander einer geschlossenen Stellung der Kontakte (4, 5) bei einem normalen Betrieb des Geräts entspricht und dass beim Auftreten eines Fehlers magnetischen Ursprungs die Verlagerung des beweglichen Kerns (29) das Lösen der beiden Klinkenelemente (33, 34) voneinander bewirkt, wobei dieses Lösen das Rückstellen des Umlenkhebels (27) in eine Stellung zum Blockieren des Schalthebels (6) in der vorgenannten Zwischenstellung ermöglicht, dadurch gekennzeichnet, dass der vorgenannte Umlenkhebel (27) ein Endstück, drittes Endstück (27c) genannt, umfasst, das geeignet ist, mit einem Anzeiger (39) so zusammenzuwirken, dass das Vorliegen oder Nichtvorliegen eines Fehlers magnetischen Ursprungs signalisiert wird, und dadurch, dass dieser Anzeiger (39) ein Reinitialisierungsmittel (39e) umfasst, das geeignet ist, von einem Benutzer so bedient zu werden, dass es, nach dem Blockieren des Schalthebels in einer Zwischenstellung, den Umlenkhebel (27) in eine Einklinkstellung mit dem zweiten Hebel (28) zurückstellt, um den Schalthebel (6) freizugeben und die Fortsetzung seiner Verlagerung zur geöffneten Stellung hin zu ermöglichen.
  2. Signalisierungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass dieser Anzeiger (39) in Bezug auf das Gehäuse (1) des Geräts drehbar gelagert ist, wobei dieser Anzeiger mit dem vorgenannten dritten Endstück (27c) des Umlenkhebels (27) zusammenwirkt und eine für einen Benutzer durch eine Öffnung (7) des Gehäuses (1) des Geräts hindurch sichtbare Oberfläche (39f) umfasst, wobei diese sichtbare Oberfläche (39f) ein Mittel umfasst, um das Vorliegen oder Nichtvorliegen eines Fehlers magnetischen Ursprungs in Abhängigkeit von der Drehstellung dieses Anzeiger (39) anzuzeigen.
  3. Signalisierungsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass dieser Anzeiger (39) mindestens einen farbigen Oberflächenabschnitt auf seiner sichtbaren Oberfläche (39f) umfasst, wobei das Erscheinen dieser Farbe durch die Öffnung (7) des Gehäuses (1) hindurch das Auftreten eines Fehlers magnetischen Ursprungs anzeigt.
  4. Signalisierungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass dieses dritte Endstück (27c) eine Stange (37) umfasst, die eine Achse (37a) umfasst, wobei diese Achse geeignet ist, mit einer Nut (39a) zusammenzuwirken, die im vorgenannten Anzeiger (39) vorgesehen ist, so dass das Drehantreiben des Umlenkhebels (27) in eine Richtung eine Drehung in eine entgegengesetzte Richtung des Anzeigers (39) bewirkt.
  5. Signalisierungsvorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass dieses Reinitialisierungsmittel ein Element umfasst, das einen Finger (39e) bildet, der an der vorgenannten Oberfläche (39f) des Anzeigers (39) vorspringt.
  6. Elektrisches Schutzgerät mit einer Signalisierungsvorrichtung nach einem der Ansprüche 1 bis 5.
  7. Elektrisches Schutzgerät nach Anspruch 6, dadurch gekennzeichnet, dass es ferner ein Signalisierungsmittel, zweites Signalisierungsmittel T genannt, umfasst, das geeignet ist, den ausgelösten Zustand des Geräts unabhängig von der Fehlerart zu signalisieren, wobei die Aktivierung der beiden Signalisierungsmittel S, T einen Fehler magnetischen Ursprungs signalisiert, während die Aktivierung eines einzigen Signalisierungsmittels einen Überlastfehler signalisiert.
  8. Elektrisches Schutzgerät nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass es ein Schutzschalter ist.
EP17160475.4A 2016-05-23 2017-03-13 Vorrichtung zur signalisierung einer elektrischen störung in einem elektrischen schutzgerät, und elektrisches schutzgerät, das eine solche vorrichtung umfasst Active EP3249673B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1654569A FR3051593B1 (fr) 2016-05-23 2016-05-23 Dispositif de signalisation d'un defaut electrique dans un appareil de protection electrique, et appareil de protection electrique comportant un tel dispositif.

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EP3249673A1 EP3249673A1 (de) 2017-11-29
EP3249673B1 true EP3249673B1 (de) 2020-09-16

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EP17160475.4A Active EP3249673B1 (de) 2016-05-23 2017-03-13 Vorrichtung zur signalisierung einer elektrischen störung in einem elektrischen schutzgerät, und elektrisches schutzgerät, das eine solche vorrichtung umfasst

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EP (1) EP3249673B1 (de)
CN (1) CN107452525B (de)
ES (1) ES2823284T3 (de)
FR (1) FR3051593B1 (de)

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Publication number Priority date Publication date Assignee Title
FR3087273B1 (fr) * 2018-10-15 2020-11-06 Schneider Electric Ind Sas Dispositif de mesure et appareil de commutation electrique
CN209729845U (zh) * 2019-06-05 2019-12-03 施耐德电器工业公司 短路故障指示机构及包括该短路故障指示机构的断路器

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Publication number Priority date Publication date Assignee Title
FR2827076B1 (fr) * 2001-07-06 2004-03-12 Schneider Electric Ind Sa Disjoncteur et son mecanisme de commande
EP1906426B1 (de) * 2006-09-29 2009-05-06 Siemens Aktiengesellschaft Schaltgerät mit Schaltschloss
FR2914485B1 (fr) 2007-03-29 2009-04-24 Schneider Electric Ind Sas Dispositif de commande d'un appareil de protection electrique et appareil de protection electrique la comportant
FR2931998A1 (fr) * 2008-06-03 2009-12-04 Schneider Electric Ind Sas Dispositif de commande d'un appareil de coupure electrique comportant un dispositif de signalisation de la soudure des contacts, et appareil de coupure electrique comportant un tel dispositif
US8243411B2 (en) * 2009-12-22 2012-08-14 Schneider Electric USA, Inc. Electronic miniature circuit breaker with trip indication using the breaker tripping function as the feedback mechanism
FR2989217B1 (fr) * 2012-04-10 2014-03-28 Schneider Electric Ind Sas Dispositif de commande pour un appareil de protection electrique moyenne tension comportant un dispositif d'inter verrouillage et appareil de protection electrique le comportant
FR3023969B1 (fr) * 2014-07-17 2017-12-22 Schneider Electric Ind Sas Dispositif de signalisation d'un defaut electrique dans un appareil de protection electrique, et appareil comportant un tel dispositif

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Publication number Publication date
CN107452525A (zh) 2017-12-08
CN107452525B (zh) 2020-09-11
FR3051593A1 (fr) 2017-11-24
ES2823284T3 (es) 2021-05-06
FR3051593B1 (fr) 2019-10-04
EP3249673A1 (de) 2017-11-29

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