EP2657504A1 - Support pour la fixation d'un composant sur un moteur à combustion interne - Google Patents

Support pour la fixation d'un composant sur un moteur à combustion interne Download PDF

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Publication number
EP2657504A1
EP2657504A1 EP20130161905 EP13161905A EP2657504A1 EP 2657504 A1 EP2657504 A1 EP 2657504A1 EP 20130161905 EP20130161905 EP 20130161905 EP 13161905 A EP13161905 A EP 13161905A EP 2657504 A1 EP2657504 A1 EP 2657504A1
Authority
EP
European Patent Office
Prior art keywords
damping element
base body
holder
fuel distributor
combustion engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20130161905
Other languages
German (de)
English (en)
Other versions
EP2657504B1 (fr
Inventor
Klaus Lang
Andreas Rehwald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to PL13161905T priority Critical patent/PL2657504T3/pl
Publication of EP2657504A1 publication Critical patent/EP2657504A1/fr
Application granted granted Critical
Publication of EP2657504B1 publication Critical patent/EP2657504B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/09—Fuel-injection apparatus having means for reducing noise

Definitions

  • the invention relates to a holder for fastening at least one component, in particular a fuel distributor, to an internal combustion engine. Specifically, the invention relates to the field of fuel injection systems of internal combustion engines.
  • a device which serves for noise reduction in an internal combustion engine with respect to vibrations of a fuel distributor.
  • the device has a retaining clip which serves to fasten the fuel distributor to a cylinder head.
  • the holder according to the invention with the features of claim 1 and the fuel injection system according to the invention with the features of claim 9 have the advantage that an improved vibration damping is ensured over the life. Specifically, there is the advantage that an effective noise attenuation over the life is guaranteed.
  • the holder is used for example for fastening a fuel distributor of a fuel injection system to a cylinder head of an internal combustion engine.
  • the fuel distributor serves as a fuel storage on the internal combustion engine.
  • the damping element an effective reduction of structure-borne sound transmission is possible. Namely, by the damping element, a contact point between the preferably metallic fastening means and the preferably metallic Be avoided fuel distributor or a connected to the fuel distributor metallic element.
  • a decoupling possible thermal expansion of the attachment is possible.
  • a simplified design of the fuel distributor and a hedge can be made possible. Thus, disassembly processes can be simplified and the component costs can be reduced.
  • a base body is provided that the fastening means for connecting the base body to the internal combustion engine is used, that the damping element is connected to the base body and that the component by means of the damping element is indirectly connectable to the base body. It is also advantageous in this case that the damping element is positively connected in a loading direction with the main body. The positioning of the damping element relative to the base body can in this case be effected in particular via an elastic positive fit.
  • the damping element in a direction which is perpendicular to the loading direction is displaceable relative to the holding element.
  • the direction in which the displaceability is ensured in this case can be predetermined in particular in the longitudinal direction of the fuel distributor.
  • a purely non-positive connection can be realized. If, for example, contours on the damping element are designed for prefixing, which interact with corresponding contours on the retaining element, or if no special contours are provided, then the holding forces acting in the direction, in particular the longitudinal direction, of the fuel distributor can be neglected as a result of friction with respect to the thermal expansion forces that occur to be viewed as. As a result, a thermal length compensation can be ensured.
  • the damping element is integrally connected to the base body.
  • the cohesive connection by Vulcanization done.
  • a positive connection, in particular a clipping or clawing, of the damping element in relation to the base body is possible.
  • a frictional connection, in particular a jamming, of the damping element in the body is advantageous.
  • the base body has at least one Vorthesesbegrenzungs gap, which predetermines a certain bias of the body during assembly, wherein the bias of the body via the fastening means can be applied.
  • the bias of the body of Vorongsbegrenzungs gap is reduced until it disappears. Then a defined bias of the body is given.
  • This has an advantageous effect in a bias of the damping element. In this case, at the same time a frictional connection between the damping element and the base body is made. This results in a reliable fixation of the component, in particular of the fuel distributor.
  • a holding element For attachment of the fuel distributor, a holding element may be provided, which is connected to the fuel distributor, wherein the holding element is partially inserted into the damping element.
  • the base body has a holding part or is connected to a holding part, that the damping element between the holding part and a tubular body of the fuel distributor is arranged and that the holding part and the damping element surround the tubular body at least partially.
  • the base body has a holding part or is connected to a holding part, that the damping element between the holding part and a tubular body of the fuel distributor is arranged and that the holding part and the damping element surround the tubular body at least partially.
  • the damping element is advantageously formed from an elastic material.
  • a material is preferably a plastic or an elastomer.
  • the damping element is thereby able to compensate for the occurring height tolerances on the internal combustion engine, in particular the cylinder head, and the component, in particular the fuel distributor, and simultaneously absorb the component without play. As a result, the loads occurring during assembly limited with respect to the component and the fastener.
  • the material of the damping element can be designed here as a soft contact material.
  • the possibly provided base body can be configured advantageously from a formed sheet steel. Due to the design of the damping element of the preferably soft contact material, the structure-borne sound transmission can be further reduced.
  • the soft design of the damping element allows the recording of temperature-induced changes in length.
  • a fuel distributor designed as a fuel distributor strip can thereby stretch, as it were, with temperature changes along its longitudinal axis, virtually unhindered. The stability impairing mechanical stresses in the fuel distributor are thereby avoided.
  • Fig. 1 shows a holder 1, which is used for fastening a fuel distributor 2 (FIG. Fig. 5 ) to an internal combustion engine 3, in particular a cylinder head 3 of an internal combustion engine 3, serves, in an excerpt, schematic sectional view according to a first embodiment.
  • the holder 1 and the fuel distributor 2 can in this case parts of a fuel injection system 4 ( Fig. 5 ) be.
  • a fuel injection system 4 may include a suitable number of holders 1 for attaching the fuel distributor 2 to, for example, a cylinder head 3.
  • one or more holders 1 can also serve for fastening other components 2, in particular an injector, to the internal combustion engine 3.
  • the holder 1 has a main body 5, which is preferably made by forming from a steel sheet. However, the main body 5 may also be formed of other metallic materials. Further, the holder 1 has a fastening means 6, which is designed in this embodiment as a screw. The fastening means 6 is screwed into the cylinder head 3, so that the main body 5 is then directly connected via the fastening means 6 with the cylinder head 3. In addition, a damping element 7 is provided, which is formed of an elastic material. Specifically, the damping element 7 is formed of a soft contact material, in particular a plastic or elastomer.
  • a holding element 8 is further provided, which is connected in a suitable manner with the fuel distributor 2 or part of the fuel distributor 2.
  • the holding element 8 with a tubular base body 9 (FIG. Fig. 5 ) of the fuel distributor 2 screwed or welded.
  • Fig. 1 is a state during assembly shown.
  • a displaceability of the retaining element 8 relative to the damping element 7 in a direction 10 (FIG. Fig. 2 ), which is perpendicular to a loading direction 11, allows.
  • a positive connection of the damping element 7 to the holding element 8 is configured.
  • the fastening means 6 serves for connecting the main body 5 to the internal combustion engine 3.
  • the damping element 7 is connected to the main body 5.
  • the fuel distributor 2 is indirectly connected by means of the damping element 7 with the main body 5 and thereby also indirectly with the internal combustion engine 3.
  • the damping element 7 may be materially connected to the base body 5.
  • the cohesive connection can be produced for example by vulcanization.
  • the main body 5 bent parts 14, 15, which are directed towards each other.
  • the embodiment of the holder 1 of the first embodiment is hereinafter also with reference to the Fig. 2 and 3 further described.
  • Fig. 2 shows the in Fig. 1 shown holder 1 in a schematic sectional view along the section line designated II.
  • Fig. 3 shows the in Fig. 1 shown holder in the assembled state.
  • the size of the bias limiting gap 16 in this case defines the possible bias of the main body 5 and the damping element 7 during assembly.
  • bent parts 17, 18 are provided, between which a Vorthesesbegrenzungs gap 19 is formed.
  • the bent parts 17, 18 face each other.
  • the bias limiting gap 19 is configured to be the same size as the bias limiting gap 16.
  • the base body 5 When screwing the fastening means 6 in the cylinder head 3, the base body 5 is deformed.
  • the fastening means 6 is screwed into the cylinder head 3 in a direction which is perpendicular to the loading direction 11 and perpendicular to the direction 10.
  • the screwing in the direction 20 is limited by the size of the gaps 16, 19.
  • the assembled state is shown, in which the bent parts 14, 15 abut each other.
  • the bent parts 17, 18 abut each other.
  • a frictional engagement between the base body 5 and the damping element 7 and / or optionally a frictional engagement between the damping element 7 and the retaining element 8 may be formed.
  • the friction conditions can be defined. Over the surface of the contact material, which is acted upon in each case, the load can be matched to the contact material of the damping element 7 and the structure-borne sound transmission can be reduced. A particularly good reduction of the transmission of structure-borne sound is obtained by preferably very small contact surfaces.
  • the contact material of the damping element 7 can adapt to the tolerances, which in the Fig. 3 is illustrated by formations 25, 26, 27, 28. By such formations 25, 28 also results in a reliable connection between the support member 8, the damping element 7 and the base body 5. As a result, 11 comparatively large holding forces can be absorbed in particular in the loading direction.
  • Fig. 4 shows a diagram for illustrating the operation of the holder 1 according to the first embodiment.
  • a path length s for biasing in the direction 20 along an axis 29 of the fastening means 6 is plotted on the abscissa.
  • the biasing force or the reaction force is plotted as a function of this path length s.
  • the relationship between the biasing force and the path length s is illustrated by a characteristic curve 30.
  • the characteristic 30 is divided into a first section 31 and a second section 32.
  • the slope of the characteristic 30 here is a measure of the resulting guide size or rigidity of the holder 1 in the direction (screwing) 20.
  • the term of the guide size is to be understood in general, in particular, are also non-linear relationships between the force and the deflection s possible. Specifically, the guide size can be considered in terms of a spring constant.
  • the guide size of a substance, in particular of the material of the damping element 7, can also be determined from the relevant modulus of elasticity and the geometry.
  • the gaps 16, 19 decrease so that the effective straightening amount is initially comparatively small. This is described by the first section 31 of the characteristic curve 30. After the path s1, the gaps 16, 19 are closed. As a result, the benchmark increases abruptly. In the characteristic curve 30, therefore, there is a kink from the path length s1. During operation, a further increase in load may occur due to vibrations, which then causes a large reaction force in accordance with the second section 32 of the characteristic curve 30. Thus, by the interaction of the parts 14, 15 and the parts 17, 18, a travel limit is formed. This ensures the required rigidity of the holder 1 for the screw connection.
  • the main body 5 can be slightly spread apart in the region of the damping element 7 in order, to a certain extent, to allow it to be clipped onto the holding element 8.
  • the gaps 16, 19 result first.
  • the screw connection then produces a defined final state.
  • Fig. 5 shows a fuel injection system 4 with a plurality of holders 1, 1A, 1B, 1C, 1D, 1E, 1F, 1G, which serve for fastening the fuel distributor 2 to an internal combustion engine 3.
  • the holders 1, 1A to 1G can be configured the same or with a slight modification.
  • a plurality of mounting constellations can be covered with similarly configured holders 1, 1A to 1E.
  • holding elements 8, 8A, 8B are provided, which are connected in a suitable manner to the tubular base body 9 of the fuel distributor 2.
  • the holder 1 is connected via the retaining element 8 with the tubular base body 9.
  • the holders 1A to 1D are connected to the tubular base body 9 via the holding element 8A.
  • the holder 1E is connected to the tubular base body 9 via the holding element 8B.
  • the design of the holder 1F, 1G is the example of the holder 1F on the basis of Fig. 7 described in more detail.
  • Fig. 6 shows the in Fig. 5 illustrated fuel injection system 4 along the designated VI line of intersection according to another possible embodiment of the invention.
  • the holder 1C has a damping element 7C, via which by means of the holding element 8A a connection with the tubular base body 9 is made. Further, in this embodiment, holders 1H, 1I with damping elements 7H, 7I are provided. Retaining elements 8H, 8I are in the damping elements 7H, 7I of the holder 1H, 1I inserted. Specifically, in the holder 1H, a non-lying in the screw plane attachment is realized.
  • Fig. 7 shows the holder 1F and the tubular base body 9 of the fuel distributor 2 along the in Fig. 5 designated VII section line according to a second embodiment of the invention.
  • the main body 5F has a holding part 40.
  • the damping element 7F is arranged between the holding part 40 and the tubular base body 9.
  • the holding part 40 and the damping element 7F surround the tubular base body 9 partially.
  • the fixation of the fuel distributor 2 can take place directly on its tubular base body 9. It is particularly advantageous that the fuel distributor 2 in this regard requires no holding element, via which a fixation of the tubular base body 9 is possible.
  • Fig. 8 shows a holder 1J in an excerpt, schematic sectional view according to a third embodiment.
  • a holding member 8J is provided, which is connected to the damping element 7J.
  • the connection can be formed, for example, by vulcanization.
  • the damping element 7J has a continuous recess 41.
  • the continuous recess 41 can be configured in particular as a through-bore 41.
  • a diameter of the through hole 41 is in this case adapted to a diameter of the fastening means 6J.
  • the holding element 8J has a continuous recess 42 which is associated with the continuous recess 41 of the damping element 7J.
  • a cross-section of the through-cut recess 42, in particular a diameter, is greater than a cross-section, in particular a diameter, of the through-cut recess 41.
  • the fastening means 6J can be connected to the internal combustion engine 3.
  • the fuel distributor 2 is connected to the damping element 7J via the retaining element 8J. Therefore, the fuel distributor 2 is indirectly connected to the fastening means 6 by means of the retaining element 8J and the damping element 7J.
  • the assembly process can be simplified.
  • thermal expansions of be disconnected from the attachment In addition, simplifies the design of the fuel distributor 2 and the relevant protection. It also results in a reduction of component costs.
  • the attachment can be realized in combination with injectors suspended in the fuel distributor 2 as well as in combination with displaceable injectors inserted in the fuel distributor 2. All holding functions can thus be realized with a cost-effective holder 1, 1A to 1J.
  • the main body 5 with the damping element 7 can serve as a holder clip.
  • the damping element 7 and the main body 5 can be materially connected to each other or be connected to each other as individual parts.
  • a frictional connection due to the friction between the damping element 7 and the retaining element 8 or the damping element 7 and the tubular base body 9 in this case allows a limitation of the stress due to temperature-induced expansion between the fuel distributor 2 and the internal combustion engine 3.
  • the damping element 7 for the production of the clip function and a rigid region, which is realized by the base body 5, for ensuring the screw connection
  • an advantageous embodiment in a component is possible.
  • further functions such as the positioning of the screws or similar components, such as a wiring harness, can be integrated.
  • defined contact surface ratios to the fuel distributor 2 can be realized in an embodiment of the holder made of a plurality of materials for the reduction of structure-borne sound transmission.
  • preferably very soft contact points can be realized by the use of plastics or elastomers. Due to the reliable limitation of the bias of the damping element 7 whose permanent function can be ensured.
  • the holder 1 allows in a freely selectable direction 20, the attachment of the fuel distributor 2 to the internal combustion engine 3.
  • the direction 20 define a mounting direction 20.
  • the mounting direction 20 can be varied by varying the holder 2 or the holding element 8 in all spatial directions.
  • the main body 5 and the damping element 7 form a component 5, 7 and that at least one gap 16, 19 of the main body 5 a rigid screw is predetermined.
  • the maximum torque is reached, so to speak abruptly at the end of the screwing.
  • the fuel distributor 2 can thus be designed without holes or receptacles for attachment to the internal combustion engine 3. For this function for attachment is already integrated in the main body 5 of the holder. Thus, the fuel distributor 2 can also be manufactured with a high degree of freedom with regard to possible attachment images, since the mounting of the holder 1 takes place only after the completion of the fuel distributor and allows many attachment possibilities.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP13161905.8A 2012-04-26 2013-04-02 Système de support pour la fixation d'un composant sur un moteur à combustion interne Not-in-force EP2657504B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13161905T PL2657504T3 (pl) 2012-04-26 2013-04-02 System uchwytu do mocowania komponentu na silniku spalinowym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210206911 DE102012206911A1 (de) 2012-04-26 2012-04-26 Halter zur Befestigung einer Komponente an einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP2657504A1 true EP2657504A1 (fr) 2013-10-30
EP2657504B1 EP2657504B1 (fr) 2018-06-13

Family

ID=48087392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13161905.8A Not-in-force EP2657504B1 (fr) 2012-04-26 2013-04-02 Système de support pour la fixation d'un composant sur un moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP2657504B1 (fr)
DE (1) DE102012206911A1 (fr)
ES (1) ES2687048T3 (fr)
PL (1) PL2657504T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014173560A1 (fr) * 2013-04-23 2014-10-30 Robert Bosch Gmbh Support de fixation d'un distributeur de carburant sur un moteur à combustion interne
CN108223224A (zh) * 2016-12-21 2018-06-29 罗伯特·博世有限公司 具有至少一个阀和压紧装置的组件

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014108163A1 (de) 2014-06-11 2015-12-17 Benteler Automobiltechnik Gmbh Kraftstoffverteiler
DE102022213175A1 (de) * 2022-12-07 2024-06-13 Robert Bosch Gesellschaft mit beschränkter Haftung Anordnung für gasförmige Brennstoffe und Brennstoffeinblasanlage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140123A (en) * 1983-05-18 1984-11-21 Ford Motor Co A vehicle suspension joint
US5397206A (en) * 1994-03-15 1995-03-14 Chrysler Corporation Vibration isolating fastener
US6591801B1 (en) * 2002-06-11 2003-07-15 General Motors Corporation Engine cover balanced isolated support and seal
DE102007036500A1 (de) * 2007-08-01 2009-02-05 Benteler Automobiltechnik Gmbh Kraftstoffverteiler
EP2034172A1 (fr) * 2007-09-04 2009-03-11 Peugeot Citroen Automobiles SA Dispositif d'injection pour un moteur à combustion interne comportant un tel dispositif d'injection
US7793639B2 (en) 2008-09-25 2010-09-14 Hitachi, Ltd. Apparatus for reducing the transmission for noise from the fuel rail in a direct injection engine
EP2363593A1 (fr) * 2010-03-04 2011-09-07 Continental Automotive GmbH Dispositif de couplage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012205580A1 (de) * 2012-04-04 2013-10-10 Robert Bosch Gmbh Halter zur Befestigung einer Komponente an einer Brennkraftmaschine, Lagerbuchse für solch einen Halter und Brennstoffeinspritzanlage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140123A (en) * 1983-05-18 1984-11-21 Ford Motor Co A vehicle suspension joint
US5397206A (en) * 1994-03-15 1995-03-14 Chrysler Corporation Vibration isolating fastener
US6591801B1 (en) * 2002-06-11 2003-07-15 General Motors Corporation Engine cover balanced isolated support and seal
DE102007036500A1 (de) * 2007-08-01 2009-02-05 Benteler Automobiltechnik Gmbh Kraftstoffverteiler
EP2034172A1 (fr) * 2007-09-04 2009-03-11 Peugeot Citroen Automobiles SA Dispositif d'injection pour un moteur à combustion interne comportant un tel dispositif d'injection
US7793639B2 (en) 2008-09-25 2010-09-14 Hitachi, Ltd. Apparatus for reducing the transmission for noise from the fuel rail in a direct injection engine
EP2363593A1 (fr) * 2010-03-04 2011-09-07 Continental Automotive GmbH Dispositif de couplage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014173560A1 (fr) * 2013-04-23 2014-10-30 Robert Bosch Gmbh Support de fixation d'un distributeur de carburant sur un moteur à combustion interne
US9714635B2 (en) 2013-04-23 2017-07-25 Robert Bosch Gmbh Holder for fastening a fuel distributor to an internal combustion engine
CN108223224A (zh) * 2016-12-21 2018-06-29 罗伯特·博世有限公司 具有至少一个阀和压紧装置的组件

Also Published As

Publication number Publication date
DE102012206911A1 (de) 2013-10-31
PL2657504T3 (pl) 2018-11-30
EP2657504B1 (fr) 2018-06-13
ES2687048T3 (es) 2018-10-23

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