EP2839142A1 - Élément d'isolation en plusieurs parties, en particulier pour un dispositif d'injection de carburant - Google Patents

Élément d'isolation en plusieurs parties, en particulier pour un dispositif d'injection de carburant

Info

Publication number
EP2839142A1
EP2839142A1 EP13712533.2A EP13712533A EP2839142A1 EP 2839142 A1 EP2839142 A1 EP 2839142A1 EP 13712533 A EP13712533 A EP 13712533A EP 2839142 A1 EP2839142 A1 EP 2839142A1
Authority
EP
European Patent Office
Prior art keywords
fuel injection
ring
injection valve
insulation element
receiving bore
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
EP13712533.2A
Other languages
German (de)
English (en)
Other versions
EP2839142B1 (fr
Inventor
Martin Kochanowski
Jason Kramer
Martin Scheffel
Thomas Froehner
Markus Friedrich
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
Publication of EP2839142A1 publication Critical patent/EP2839142A1/fr
Application granted granted Critical
Publication of EP2839142B1 publication Critical patent/EP2839142B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
    • 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
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
    • 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
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/858—Mounting of fuel injection apparatus sealing arrangements between injector and engine
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9023—Fibrous materials
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9053—Metals

Definitions

  • Multi-part insulation element in particular for a fuel injection device prior art
  • FIG. 1 shows, by way of example, a fuel injection device known from the prior art, in which a flat intermediate element is provided on a fuel injection valve installed in a receiving bore of a cylinder head of an internal combustion engine.
  • a flat intermediate element is provided on a fuel injection valve installed in a receiving bore of a cylinder head of an internal combustion engine.
  • such intermediate elements are stored as support elements in the form of a washer on a shoulder of the receiving bore of the cylinder head.
  • manufacturing and assembly tolerances are compensated and ensured a lateral force-free storage even with slight misalignment of the fuel injector.
  • the fuel injector is particularly suitable for use in fuel injection systems of mixture-compression spark-ignition internal combustion engines.
  • the intermediate element is a lower ring having a circular cross section which is disposed in a region in which both the fuel injection valve and the wall of the receiving bore in the cylinder head are frustoconical and serves as a compensation element for supporting and supporting the fuel injection valve.
  • DE 100 27 662 AI known intermediate element comprises a base and carrier body in which a sealant is inserted, which is penetrated by a nozzle body of the fuel injection valve.
  • a multilayer compensating element is known, which is composed of two rigid rings and a sandwiched therebetween elastic intermediate ring. This compensating element allows both a tilting of the fuel injection valve to the axis of the receiving bore over a relatively large angular range as well as a radial displacement of the fuel injection valve from the central axis of the receiving bore.
  • a likewise multi-layer intermediate element is also known from EP 1 223 337 AI, this intermediate element is composed of several washers, which consist of a damping material.
  • the damping material made of metal, rubber or PTFE is chosen and designed so that a noise attenuation of the vibrations generated by the operation of the fuel injection valve and noise is made possible.
  • the intermediate element must, however, include four to six layers to achieve a desired damping effect.
  • US 6,009,856 A also proposes to surround the fuel injector with a sleeve and to fill the resulting gap with an elastic, noise-damping mass. This type of noise reduction is very complex, easy to install and expensive.
  • decoupling or damping elements for fuel injection devices which are characterized in that they are made of several parts, wherein an inner metal pad as wire mesh, knitted or -woven encapsulated in outer rings is present.
  • An inner ring of the decoupling or damping element always comes to rest on the fuel injection valve, while an outer ring of the decoupling or damping element rests against a shoulder of a receiving bore of the cylinder head.
  • Outer and inner ring are each simple, rectangular in cross-section sheet metal rings with L-profile.
  • the insulation element according to the invention for a fuel injection device with the characterizing features of claim 1 has the advantage that in a very simple construction, an improved noise attenuation is achieved.
  • the insulation element has a non-linear, progressive spring characteristic, resulting in several positive and advantageous aspects when installing the insulation element in a fuel injection device with injectors for direct fuel injection.
  • the insulation element according to the invention has the advantage that the support of the outer ring on the insulation ring reduces the deflection of the outer ring relative to the known solutions and leads to a greater rigidity of the outer ring.
  • a high rigidity of the outer ring in turn allows a design of the spring characteristic alone on the insulation ring of a wire mesh with significantly lower rigidity.
  • the combination of these two components makes it possible to ideally produce the desired progressive spring characteristic (low rigidity at low operating pressures / loads, high rigidity at high system pressures).
  • the stresses on possibly set for securing welds between outer ring and insulation ring or between inner ring and insulation ring can be reduced.
  • the bending stress of the individual components of the multi-part insulation element is reduced overall.
  • the multi-part isolation element With the multi-part isolation element according to the invention, an excellent reduction of the injector-induced noise during fuel injection is achieved by reducing the power transmission from the fuel injection valve to the cylinder head in the relevant frequency range.
  • the elastic insulation element has both insulation and damping properties. A precise positioning of the fuel injection valve with respect to the cylinder head with very small tolerances and low load on the valve seals (to the combustion chamber or to the fuel rail) is possible.
  • the isolation element allows repeatable elastic deformation of the isolation element over the entire injector life without plastic deformation occurring.
  • the insulation system allows maximizing the isolation function when restricting the injector movement.
  • the spring characteristic of the insulation element according to the invention can be deliberately designed progressively by adapting the geometric parameters, in particular of the insulation ring.
  • the measures listed in the dependent claims advantageous refinements and improvements of the claim 1 insulation element are possible.
  • Figure 1 is a partially illustrated fuel injection device in a known
  • FIG. 2 is a mechanical equivalent circuit diagram of the fuel injector support in the cylinder head in direct fuel injection, which is an ordinary spring mass damper system;
  • FIG. 3 shows the transmission behavior of a spring mass damper shown in FIG.
  • FIG. 5 shows a partial cross section through a multi-part insulation element according to the invention, which can be used in a fuel injection device, and
  • FIG. 6 shows a partial cross section through an inventive insulation element in a mounting situation on a fuel injection valve in the region of the disk-shaped intermediate element shown in FIG.
  • the fuel injection valve 1 is part of the fuel injection device.
  • a sealing ring 2, in particular Teflon®, ensures optimum sealing of the fuel injection valve 1 with respect to the wall of the receiving bore 20 of the cylinder head 9.
  • a flat intermediate element 24 is inserted, which is designed as a support element in the form of a washer.
  • the fuel injection valve 1 has at its inlet-side end 3 a plug connection to a fuel distributor line (fuel rail) 4, which is sealed by a sealing ring 5 between a connection piece 6 of the fuel distributor line 4, which is shown in section, and an inlet connection 7 of the fuel injection valve 1.
  • the fuel injection valve 1 is inserted into a receiving opening 12 of the connection piece 6 of the fuel distribution line 4.
  • the connecting piece 6 is in this case e.g. in one piece from the actual fuel distributor line 4 and has upstream of the receiving opening 12 a smaller diameter flow opening 15, via which the flow of the fuel injection valve 1 takes place.
  • the fuel injection valve 1 has an electrical connection plug 8 for the electrical contacting for actuating the fuel injection valve 1.
  • a holding-down device 10 is provided between the fuel injection valve 1 and the connecting piece 6.
  • the hold-down 10 is designed as a bow-shaped component, e.g. as punching-bending part.
  • the holding-down device 10 has a part-ring-shaped base element 11, from which a hold-down bar 13 extends, which abuts against a downstream end face 14 of the connecting piece 6 on the fuel distributor line 4 in the installed state.
  • the object of the invention is, compared to the known intermediate element solutions, in a simple manner an improved noise damping, above all in the noise-critical idling operation, by a specific design and geometry of the intermediate element. reach 24.
  • the relevant source of noise of the fuel injection valve 1 in the direct high-pressure injection are introduced during the valve operation in the cylinder head 9 forces (structure-borne sound), which lead to a structural excitation of the cylinder head 9 and are emitted from this as airborne sound.
  • a minimization of the introduced into the cylinder head 9 forces should be sought. In addition to reducing the forces caused by the injection, this can be achieved by influencing the transmission behavior between the fuel injection valve 1 and the cylinder head 9.
  • the bearing of the fuel injection valve 1 can be mapped on the passive intermediate member 24 in the receiving bore 20 of the cylinder head 9 as a conventional spring-mass damper system, as shown in Figure 2.
  • the mass M of the cylinder head 9 can be assumed to be infinite compared to the mass m of the fuel injection valve 1 in the first approximation.
  • the transmission behavior of such a system is characterized by a gain at low frequencies in the range of the resonant frequency f R and an isolation range above the decoupling frequency f E (see FIG. 3).
  • the aim of the invention is the design of an intermediate element 24 under the priority use of the elastic isolation (decoupling) for noise reduction, especially in idling mode of the vehicle.
  • the invention comprises on the one hand the definition and design of a suitable spring characteristic taking into account the typical requirements and boundary conditions in direct fuel injection with variable operating pressure and on the other the design of an intermediate element 24 which is able to map the characteristic of the spring characteristic defined in this way and over a choice of simple geometric parameters can be adapted to the specific boundary conditions of the injection system.
  • This spring characteristic enables a noise decoupling with the aid of a low spring stiffness (S NV H) in idling mode and, due to the rapidly increasing rigidity, makes it possible to maintain the maximum movement of the fuel injection valve 1 between idling and system pressure.
  • the insulation element 30 In order to be able to implement the nonlinear spring characteristic optimally under typical boundary conditions of direct fuel injection (small installation space, high forces, low total movement of the fuel injection valve 1), the insulation element 30 according to the invention consists of a plurality of outer rings 31, an inner ring 32 and an insulating ring 33 constructed, wherein the insulating ring 33 enclosed by the inner ring 32 and outer ring 31 encircles encircles.
  • conventional disc springs which basically initially have only a linear or degressive characteristic curve. In conventional disc springs, a progressive course is achieved only when they are almost completely loaded on "block".
  • FIG. 5 shows a partial cross section through a multi-part insulation element 30 according to the invention, which can be used in a fuel injection device.
  • the multipart insulation element 30 has two functional units.
  • the first functional unit is formed by the insulating ring 33.
  • the insulating ring 33 is an annular wire mesh, knitted or knitted fabric, which fulfills two functions according to the invention.
  • the primary function as previously described in detail, is to achieve the best possible isolation (decoupling) at the fuel injector via a low spring stiffness progressive characteristic under low load conditions (eg, idle, noise critical operating ranges) and high rigidity at nominal system pressure.
  • the isolation ring 33 As a secondary function of the isolation ring 33 is a damping, the is not synonymous with the isolation, since there are different physical action mechanisms, desired, which is realized via an internal friction of the wire mesh of the insulating ring 33 during the injection in micro-movements of the fuel injection valve 1.
  • the wire mesh, knitted or knitted fabric of the insulation ring 33 has, for example, a largely square cross-section.
  • the second functional unit is formed by the outer ring 31 and the inner ring 32, which together form an annular chamber for the insulating ring 33 and encapsulate it in this respect.
  • the inner ring 32 is thin-walled, e.g. formed as a sheet metal part and has on a réellesei- te 35 an annular disk-shaped surface and on its underside 36 a cylinder head side support surface.
  • the two sides 35, 36 are largely perpendicular to each other.
  • the inner side 35 may have elastic elements 37 distributed around the circumference, e.g. executed feather pliers and ensure that the insulation element 30 is secured captive on the fuel injector 1.
  • the outer ring 31 has a greater material thickness than the inner ring 32.
  • the outer ring 31 On an outer side 38, the outer ring 31 has an annular disc-shaped surface, while on its thicker and more stable shaped upper side 39 an injector-side support surface is provided, which is spherical or spherical, convex bulging. With this support surface of the upper side 39, the insulating element 30 is located at a e.g. conically extending shoulder of the valve housing 22, so that it is idealized here only to a line contact of the corresponding component partners 1, 30 comes.
  • FIG. 6 shows a partial cross section through an insulation element 30 according to the invention in a mounting situation on a fuel injection valve 1 in the region of the disc-shaped intermediate element 24 shown in FIG. 1.
  • the insulation element 30 according to the invention has the advantage that the support of the outer ring 31 on the insulating ring 33 reduces the deflection of the outer ring 31 with respect to the known solutions and leads to a greater rigidity of the outer ring 31.
  • a high rigidity of the outer ring 31 in turn allows a design of the spring characteristic alone on the insulating ring 33 of the wire mesh with significantly lower rigidity.
  • the multi-part insulation element 30 With the multi-part insulation element 30 according to the invention, an excellent reduction of the injector-caused noise during the fuel injection is achieved by reducing the power transmission from the fuel injection valve 1 to the cylinder head 9 in the relevant frequency range.
  • the elastic insulation element 30 has both insulation and damping properties. A precise positioning of the fuel injection valve 1 with respect to the cylinder head 9 with very small tolerances and low load on the valve seals (to the combustion chamber 25 and to the fuel rail 4 out) is possible.
  • the isolation member 30 allows for repeatable elastic deformation of the isolation member 30 over the entire injector life without plastic deformation occurring.
  • the isolation system allows for maximization of the isolation function when restricting the injector movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Gasket Seals (AREA)

Abstract

L'invention concerne un élément d'isolation pour un dispositif d'injection de carburant, lequel est caractérisé par la réalisation d'une construction peut bruyante. Le dispositif d'injection de carburant comprend au moins une soupape d'injection de carburant (1) et une forure de réception (20) dans une culasse (9) pour la soupape d'injection de carburant (1) ainsi que l'élément d'isolation (30) entre un carter (22) de la soupape d'injection de carburant (1) et une paroi de la forure de réception (20). L'élément d'isolation (30) a une bague d'isolation intérieure (33) qui est encapsulée entre une bague extérieure (31) et une bague intérieure (32). La bague extérieure (31) est orientée vers la soupape d'injection de carburant (1) et la bague intérieure (32) est orientée vers la paroi de la forure de réception (20) de sorte que, quand l'élément d'isolation (30) est monté, il vient reposer de manière correspondante contre ces éléments (31/1; 32/9). Le dispositif d'injection de carburant convient en particulier pour l'injection directe de carburant dans une chambre de combustion d'un moteur à combustion interne à compression du mélange et allumage commandé.
EP13712533.2A 2012-04-16 2013-03-22 Élément d'isolation en plusieurs parties, en particulier pour un dispositif d'injection de carburant Active EP2839142B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012206194A DE102012206194A1 (de) 2012-04-16 2012-04-16 Mehrteiliges Isolationselement, insbesondere für eine Brennstoffeinspritzvorrichtung
PCT/EP2013/056166 WO2013156258A1 (fr) 2012-04-16 2013-03-22 Élément d'isolation en plusieurs parties, en particulier pour un dispositif d'injection de carburant

Publications (2)

Publication Number Publication Date
EP2839142A1 true EP2839142A1 (fr) 2015-02-25
EP2839142B1 EP2839142B1 (fr) 2018-12-19

Family

ID=47998430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13712533.2A Active EP2839142B1 (fr) 2012-04-16 2013-03-22 Élément d'isolation en plusieurs parties, en particulier pour un dispositif d'injection de carburant

Country Status (7)

Country Link
US (1) US10648438B2 (fr)
EP (1) EP2839142B1 (fr)
JP (1) JP2015515577A (fr)
KR (1) KR102071856B1 (fr)
CN (1) CN104471234B (fr)
DE (1) DE102012206194A1 (fr)
WO (1) WO2013156258A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2690278B1 (fr) * 2012-07-23 2015-12-30 Continental Automotive GmbH Injecteur de carburant et système d'injection de carburant
DE102014225988A1 (de) * 2014-12-16 2016-06-16 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
CN107299872A (zh) * 2017-06-21 2017-10-27 重庆长安汽车股份有限公司 一种有效降低汽油直喷发动机工作噪音的喷油器支撑环
DE102017218008A1 (de) * 2017-10-10 2019-04-11 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
JP7476827B2 (ja) * 2021-03-12 2024-05-01 トヨタ自動車株式会社 燃料噴射装置用制振インシュレータ

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2335746A1 (fr) * 1975-12-16 1977-07-15 Vibrachoc Sa Element amortisseur de chocs ou de vibrations
US4549741A (en) * 1984-06-04 1985-10-29 Metex Corporation Combination metal and knitted wire mesh gasket
US6009856A (en) 1998-05-27 2000-01-04 Caterpillar Inc. Fuel injector isolation
DE10027662A1 (de) 2000-06-03 2001-12-06 Bosch Gmbh Robert Dichtmittel und Niederhalter für ein Brennstoffeinspritzventil
DE10038763A1 (de) 2000-08-09 2002-02-21 Bosch Gmbh Robert Ausgleichselement für ein Brennstoffeinspritzventil
DE50110145D1 (de) 2001-01-12 2006-07-27 Ford Global Tech Inc Geraeuschreduzierende Anordnung von Unterlegscheiben unter einer Einspritzduese
DE10108466A1 (de) 2001-02-22 2002-09-05 Bosch Gmbh Robert Ausgleichselement für ein Brennstoffeinspritzventil
DE10338715B4 (de) * 2003-08-22 2014-07-17 Robert Bosch Gmbh Ausgleichselement für ein Brennstoffeinspritzventil
DE102006009094A1 (de) * 2006-02-28 2007-08-30 Bayerische Motoren Werke Ag Dämpfungseinrichtung und Dämpfungselement
CN101536257B (zh) * 2006-10-13 2012-12-05 费德罗-莫格尔公司 接线系统
DE102008048173A1 (de) 2008-09-20 2010-04-08 Stop-Choc Schwingungstechnik Gmbh & Co Kg Entkopplungselement
DE102008054591A1 (de) 2008-12-12 2010-06-17 Robert Bosch Gmbh Entkopplungselement für eine Brennstoffeinspritzvorrichtung
JP5093123B2 (ja) * 2009-01-09 2012-12-05 株式会社デンソー 燃料噴射弁の取付け構造
US8069842B2 (en) * 2009-07-02 2011-12-06 Robert Bosch Gmbh Injector mounting assembly
JP5525621B2 (ja) * 2009-11-23 2014-06-18 ブラックベリー リミテッド Ｓｒｉメッセージ伝送に基づいてトリガする状態またはモード遷移
FR2954963A1 (fr) * 2010-01-06 2011-07-08 Peugeot Citroen Automobiles Sa Amortisseur de vibrations et moteur comprenant un tel amortisseur
JP5320504B2 (ja) * 2010-03-30 2013-10-23 トヨタ自動車株式会社 燃料噴射弁用制振インシュレータ、及び燃料噴射弁の支持構造
EP2405126B1 (fr) * 2010-07-09 2013-04-03 Stop-Choc Schwingungstechnik GmbH & Co. KG Elément de découplage doté d'une fonction d'étanchéité
JP5400965B2 (ja) * 2010-07-30 2014-01-29 トヨタ自動車株式会社 燃料噴射弁用制振インシュレータ
DE102012013263B4 (de) * 2012-07-03 2018-09-27 Rhodius Gmbh Verfahren zur Herstellung eines aus Metalldraht gefertigten, ringförmigen Dämpfungselementes sowie Verfahren zur Herstellung eines Entkopplungselementes mit einem derartigen Dämpfungselement

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2013156258A1 *

Also Published As

Publication number Publication date
US10648438B2 (en) 2020-05-12
KR20150001754A (ko) 2015-01-06
CN104471234A (zh) 2015-03-25
KR102071856B1 (ko) 2020-01-31
EP2839142B1 (fr) 2018-12-19
JP2015515577A (ja) 2015-05-28
DE102012206194A1 (de) 2013-10-17
WO2013156258A1 (fr) 2013-10-24
CN104471234B (zh) 2018-01-19
US20150059703A1 (en) 2015-03-05

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