WO2015150658A1 - Motor vehicle exhaust hanger - Google Patents

Motor vehicle exhaust hanger Download PDF

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Publication number
WO2015150658A1
WO2015150658A1 PCT/FR2015/050703 FR2015050703W WO2015150658A1 WO 2015150658 A1 WO2015150658 A1 WO 2015150658A1 FR 2015050703 W FR2015050703 W FR 2015050703W WO 2015150658 A1 WO2015150658 A1 WO 2015150658A1
Authority
WO
WIPO (PCT)
Prior art keywords
hanger
base
mounting plate
indexing
exhaust
Prior art date
Application number
PCT/FR2015/050703
Other languages
French (fr)
Inventor
Francois Noel LEGRAND
Original Assignee
Peugeot Citroen Automobiles Sa
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 Peugeot Citroen Automobiles Sa filed Critical Peugeot Citroen Automobiles Sa
Priority to CN201580018336.3A priority Critical patent/CN106164436B/en
Priority to EP15717023.4A priority patent/EP3126647B1/en
Priority to ES15717023.4T priority patent/ES2654415T3/en
Publication of WO2015150658A1 publication Critical patent/WO2015150658A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/18—Methods or apparatus for fitting, inserting or repairing different elements by using quick-active type locking mechanisms, e.g. clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/22—Flexible elastomeric material

Definitions

  • the present invention relates to a motor vehicle exhaust line, as well as the corresponding automatic mounting method.
  • motor vehicles equipped with a thermal type engine comprise a burnt gas exhaust line during the combustion of the mixture of air and fuel in the engine cylinders.
  • This exhaust line includes an exhaust duct and pollution control systems, such as a SCR type system (for "Selective Catalytic Reduction” in English or “Selective Catalytic Reduction” in French) to reduce chemically the nitrogen oxides present in the exhaust gas.
  • SCR type system for "Selective Catalytic Reduction” in English or “Selective Catalytic Reduction” in French
  • This exhaust line installed under the floor is maintained by means of exhaust lines each fixed on a part located under the floor of the vehicle.
  • each arm supporting the exhaust line cooperates with a housing formed in the body of an exhaust hanger.
  • This body is made of an elastic material, for example elastomer, to ensure damping of vibration and efforts due to the rolling of the vehicle may affect the exhaust components.
  • DE3643698 discloses a mounting method wherein the positioning of the exhaust hanger on the mechanical mounting plate is effected by the outer contour of the base of the hanger bearing against the inner faces of the mounting member. Such a system, however, does not allow to meet automatic screwing standards imposing a very small tolerance interval of less than two millimeters.
  • a mechanically welded part as the base has a tolerance range of the order of 2.5 millimeters, so that an indexing outer contour generates at least a tolerance interval of this value along the length of the room.
  • the invention aims to effectively overcome this disadvantage by providing a motor vehicle exhaust line comprising a body made of an elastic material for cooperating with an arm from an exhaust line, and a base provided with at least one opening adapted to allow passage of a means for fixing said escapement hanger to an element located under a floor of a motor vehicle, characterized in that said base further comprises indexing means of said exhaust suspension relative to a mechanical mounting plate by cooperation between at least two indexing studs and two corresponding pilot holes.
  • the invention thus relates to an assembly formed by - a motor vehicle exhaust line comprising a body made of an elastic material for cooperating with an arm from an exhaust line, and a base provided with at least one opening adapted to allow passage of a means for fixing said escapement hanger to an element located under a floor of a motor vehicle, and - a mechanical mounting plate, such that said base further comprises indexing means of said exhaust hanger relative to a mechanical mounting plate by cooperation between at least two indexing pads (and two corresponding pilot holes.
  • the invention thus makes it possible to accurately position the suspension on the mechanical mounting plate.
  • the indexing of the hanger on the mechanical mounting plate is performed on quasi-point areas, which makes it independent of the tolerance intervals of realization of the part. It thus becomes possible to respect the very small tolerance intervals imposed by certain standards.
  • the indexing means are constituted by two pilot holes made in said base adapted to cooperate with indexing studs belonging to said mechanical mounting plate. [001 1] In one embodiment, said two pilot holes are made in ears from longitudinal edges of said base. In one embodiment, said two pilot holes are diametrically opposite one another.
  • one of the pilot holes has dimensions substantially identical to those of the corresponding indexing pad, while the other pilot hole of oblong shape has dimensions slightly greater than those of the corresponding indexing pad. This makes it possible to adjust the positioning of the base in the longitudinal direction of the vehicle or in a transverse direction of the vehicle.
  • said base comprises at least one bearing zone intended to bear against a corresponding bearing surface of said mechanical mounting plate.
  • said base comprises two bearing zones extending projecting from either side of the body.
  • said body has a parallelepiped shape having two bevelled angles located on a side opposite to said base.
  • the invention also relates to a method of automatic assembly of a motor vehicle exhaust line defined above, characterized in that it comprises:
  • the step of setting up the hanger is to cooperate with the pilot holes formed in said base of the exhaust hanger with the indexing studs of said mechanical plate of mounting.
  • the step of setting up the escapement hanger consists of placing two support zones of the exhaust hanger against corresponding bearing surfaces of said mechanical mounting plate.
  • Figure 1 is a perspective view of an exhaust line held under the floor of the vehicle by means of an exhaust hanger according to the present invention
  • Figures 2a to 2e show the various stages of introduction of the exhaust hanger on a mechanical mounting plate and its screwing on a sub-body element of a motor vehicle. Identical elements, similar, or the like retain the same reference from one figure to another.
  • Figure 1 shows an exhaust hanger 1 having a body 2 fixed on a base 4 for example via a clip system.
  • the body 2 preferably made of an elastic material, for example elastomer, is intended to cooperate with an arm 3 welded at one of its ends to a wall of an exhaust line 5.
  • the body 2 comprises a housing 6 in which is fitted by force an end of the arm 3.
  • the arm 3 may comprise a bead 8 visible in Figure 2c which will deform elastically the material of the body 2 at the level housing 6, which will then close after insertion of the bead 8 so as to retain the arm 3.
  • the body 2 has in this case a parallelepiped shape having two bevelled angles 9 located on the opposite side to the base 4. Such a shape facilitates the insertion of the body 2 into the passage defined by the mechanical mounting plate 15 described below.
  • the body 2 may have any other form adapted to the sub-body configuration of the vehicle.
  • the base 4 has a generally rectangular shape with rounded end edge.
  • the hanger 1 is provided with two openings 1 1 adapted to allow a passage of fastening means 12 of the hanger 1 on an element located under a floor of a motor vehicle.
  • the openings 1 1 are located in the longitudinal ends of the base 4.
  • the fastening means 12 are in this case screws but could alternatively be replaced by rivets or any other equivalent means.
  • the base 4 further comprises indexing means 14 of the hanger 1 relative to a mechanical mounting plate 15 (see Figures 2a and 2b).
  • the indexing means 14 are constituted in this case by two pilot holes 16 intended to cooperate with indexing studs 17 belonging to the mechanical mounting plate 15.
  • the two pilot holes 16 are diametrically opposed to each other. the other. These pilot holes 16 are made in two lugs 19 coming from longitudinal edges of the base 4.
  • pilot holes 16 has dimensions substantially identical to those of the corresponding pad 17, while the other pilot hole 16 of slightly oblong shape has dimensions slightly greater than those of the corresponding stud 17. This avoids having a hyperstatic system by adjusting the positioning of the base 4 in the longitudinal direction of the vehicle and / or in a transverse direction of the vehicle.
  • pilot holes 16 are replaced by pins from the lugs 19 intended to cooperate with holes of complementary shape formed in the plate 15.
  • the base 4 comprises two bearing zones 21 situated around the openings 1 1 each intended to bear against a corresponding bearing surface 30 of the plate 15. These zones support 21 extend projecting from both sides of the body 2.
  • the axes of the pilot holes 16 and the openings 1 1 made in the base 4 are substantially perpendicular to the axis of the housing 6 receiving the arm 3.
  • the mechanical mounting plate 15 comprises two supports 25 vis-à-vis each having a generally U-shaped.
  • the free ends of the branches of the supports 25 are positioned at a distance from each other.
  • These supports 25 thus delimit a passage 28 of substantially rectangular section for the body 2 of the hanger 1.
  • each support 25 has a bearing surface 30 of the base 4 located around a screwing pin 26.
  • the pads 17 coming from the bearing faces are positioned near two angles of the opening defining the passage 28 which are diametrically opposed.
  • the hanger 1 is placed on the mechanical mounting plate 15.
  • the body 2 is inserted inside the passage 28 via its end presenting the chamfered corners 9.
  • the centering under control of the hanger 1 on the mechanical plate 15 is made by cooperating the indexing pads 17 of the supports 25 with the pilot holes 16 of the hanger 1.
  • the bearing zones 21 of the hanger 1 are pressed against the corresponding support surfaces 30 of the supports 25.
  • Each opening 1 1 of the base 4 is then positioned opposite the corresponding screwing pin 26.
  • the mechanical mounting plate 15 is then moved with the hanger 1 it carries near the sub-body element 40 as shown in Figures 2c and 2d.
  • the element 40 comprises a flat zone 41 against which the hanger 1 is intended to be fixed.
  • the pins 26 and the openings 1 1 of the hanger 1 are positioned opposite corresponding holes 43 made in the flat area 41 of the cross brace. Then the screw 1 is made to screw on the element 40 of the floor by activation of the screw pins 26, so that the base 4 is held tight between the head of a screw 12 and the wall of the wall. element 40, if necessary via a clamping washer.
  • the mechanical mounting plate 15 is then removed away from the sub-body element 40, as shown in Figure 2e.
  • the exhaust line 5 being held by four exhaust lines, the method can be implemented in a similar manner for fixing the exhaust lines on three other sub-body elements consisting for example of a spar , a rear crossmember, and an area under the floor of the vehicle, or any other room capable of accepting an exhaust line.
  • the plates 15 will be integrated into a mechanical member door on which is installed the exhaust line before fixing under the floor of the vehicle.
  • the hanger 1 comprises a single bearing zone 21 with the mechanical mounting plate 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Vibration Prevention Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention relates mainly to an exhaust hanger (1) of a motor vehicle, comprising a body (2) made of a resilient material intended for engaging with an arm emerging from an exhaust line, and a base (4) provided with at least one opening (11) suitable for allowing the passage of a means for attaching said exhaust hanger (1) to an element located under a motor vehicle floor, characterised in that said base (4) also comprises indexing means (14) for indexing said exhaust hanger (1) relative to a mechanical mounting plate (15) by engagement between at least two indexing studs (17) and two corresponding pilot holes (16).

Description

SUSPENTE D'ECHAPPEMENT DE VEHICULE AUTOMOBILE  EXHAUST EXHAUST OF MOTOR VEHICLE
[0001 ] La présente invention porte sur une suspente d'échappement de véhicule automobile, ainsi que sur le procédé de montage automatique correspondant. [0002] De façon connue en soi, les véhicules automobiles munis d'un moteur de type thermique comportent une ligne d'échappement des gaz brûlés durant la combustion du mélange d'air et de carburant dans les cylindres du moteur. The present invention relates to a motor vehicle exhaust line, as well as the corresponding automatic mounting method. In a manner known per se, motor vehicles equipped with a thermal type engine comprise a burnt gas exhaust line during the combustion of the mixture of air and fuel in the engine cylinders.
[0003] Cette ligne d'échappement comprend notamment un conduit d'échappement et des systèmes de dépollution, comme par exemple un système de type SCR (pour "Sélective Catalytic Réduction" en anglais ou "Réduction Sélective Catalytique" en français) permettant de réduire chimiquement les oxydes d'azote présents dans les gaz d'échappement. This exhaust line includes an exhaust duct and pollution control systems, such as a SCR type system (for "Selective Catalytic Reduction" in English or "Selective Catalytic Reduction" in French) to reduce chemically the nitrogen oxides present in the exhaust gas.
[0004] Cette ligne d'échappement installée sous le plancher est maintenue au moyen de suspentes d'échappement fixées chacune sur une pièce située sous le plancher du véhicule. A cet effet, chaque bras supportant la ligne d'échappement coopère avec un logement ménagé dans le corps d'une suspente d'échappement. Ce corps est réalisé dans un matériau élastique, par exemple en élastomère, pour assurer un amortissement des vibrations et des efforts dus au roulage du véhicule susceptibles de se répercuter sur les composants d'échappement. [0005] Le document DE3643698 décrit un procédé de montage dans lequel le positionnement de la suspente d'échappement sur la platine mécanique de montage est effectué par le contour extérieur de l'embase de la suspente venant en appui contre des faces internes de l'organe de montage. Un tel système ne permet toutefois pas de respecter des normes de vissage automatique imposant un intervalle de tolérance très faibles de moins de deux millimètres. This exhaust line installed under the floor is maintained by means of exhaust lines each fixed on a part located under the floor of the vehicle. For this purpose, each arm supporting the exhaust line cooperates with a housing formed in the body of an exhaust hanger. This body is made of an elastic material, for example elastomer, to ensure damping of vibration and efforts due to the rolling of the vehicle may affect the exhaust components. DE3643698 discloses a mounting method wherein the positioning of the exhaust hanger on the mechanical mounting plate is effected by the outer contour of the base of the hanger bearing against the inner faces of the mounting member. Such a system, however, does not allow to meet automatic screwing standards imposing a very small tolerance interval of less than two millimeters.
[0006] En effet, une pièce mécano-soudée comme l'embase présente un intervalle de tolérance de l'ordre de 2.5 millimètres, en sorte qu'un indexage par contour extérieur engendre au minimum un intervalle de tolérance de cette valeur suivant la longueur de la pièce. En outre, il est nécessaire de prévoir un jeu supplémentaire pour permettre au contour de se mettre en place à l'intérieur du logement assurant le centrage, ce qui entraine un intervalle de tolérance lors du positionnement de la suspente largement supérieur à celui imposé par les stations de vissage. Indeed, a mechanically welded part as the base has a tolerance range of the order of 2.5 millimeters, so that an indexing outer contour generates at least a tolerance interval of this value along the length of the room. In addition, it is necessary to provide an additional clearance to allow the contour to be set up inside the housing ensuring the centering, which causes a tolerance interval when positioning the suspension much greater than that imposed by the screw stations.
[0007] L'invention vise à remédier efficacement à cet inconvénient en proposant une suspente d'échappement de véhicule automobile comportant un corps réalisé dans un matériau élastique destiné à coopérer avec un bras issu d'une ligne d'échappement, et une embase munie d'au moins une ouverture adaptée à autoriser un passage d'un moyen de fixation de ladite suspente d'échappement sur un élément situé sous un plancher de véhicule automobile, caractérisée en ce que ladite embase comporte en outre des moyens d'indexage de ladite suspente d'échappement par rapport à une platine mécanique de montage par coopération entre au moins deux plots d'indexage et deux trous pilotes correspondants. The invention aims to effectively overcome this disadvantage by providing a motor vehicle exhaust line comprising a body made of an elastic material for cooperating with an arm from an exhaust line, and a base provided with at least one opening adapted to allow passage of a means for fixing said escapement hanger to an element located under a floor of a motor vehicle, characterized in that said base further comprises indexing means of said exhaust suspension relative to a mechanical mounting plate by cooperation between at least two indexing studs and two corresponding pilot holes.
[0008] L'invention a ainsi pour objet un ensemble formé par - une suspente d'échappement de véhicule automobile comportant un corps réalisé dans un matériau élastique destiné à coopérer avec un bras issu d'une ligne d'échappement, et une embase munie d'au moins une ouverture adaptée à autoriser un passage d'un moyen de fixation de ladite suspente d'échappement sur un élément situé sous un plancher de véhicule automobile, et - une platine mécanique de montage, tel que ladite embase comporte en outre des moyens d'indexage de ladite suspente d'échappement par rapport à une platine mécanique de montage par coopération entre au moins deux plots d'indexage ( et deux trous pilotes correspondants. The invention thus relates to an assembly formed by - a motor vehicle exhaust line comprising a body made of an elastic material for cooperating with an arm from an exhaust line, and a base provided with at least one opening adapted to allow passage of a means for fixing said escapement hanger to an element located under a floor of a motor vehicle, and - a mechanical mounting plate, such that said base further comprises indexing means of said exhaust hanger relative to a mechanical mounting plate by cooperation between at least two indexing pads (and two corresponding pilot holes.
[0009] L'invention permet ainsi de réaliser un positionnement précis de la suspente sur la platine mécanique de montage. En effet, contrairement au système décrit dans le document DE3643698, l'indexage de la suspente sur la platine mécanique de montage est réalisé sur des zones quasi-ponctuelles, ce qui le rend indépendant des intervalles de tolérance de réalisation de la pièce. Il devient ainsi possible de respecter les intervalles de tolérances très faibles imposés par certaines normes. The invention thus makes it possible to accurately position the suspension on the mechanical mounting plate. In fact, unlike the system described in document DE3643698, the indexing of the hanger on the mechanical mounting plate is performed on quasi-point areas, which makes it independent of the tolerance intervals of realization of the part. It thus becomes possible to respect the very small tolerance intervals imposed by certain standards.
[0010] Selon une réalisation, les moyens d'indexage sont constitués par deux trous pilotes réalisés dans ladite embase adaptés à coopérer avec des plots d'indexage appartenant à ladite platine mécanique de montage. [001 1 ] Selon une réalisation, lesdits deux trous pilotes sont réalisés dans des oreilles issues de bords longitudinaux de ladite embase. [0012] Selon une réalisation, lesdits deux trous pilotes sont diamétralement opposés l'un par rapport à l'autre. According to one embodiment, the indexing means are constituted by two pilot holes made in said base adapted to cooperate with indexing studs belonging to said mechanical mounting plate. [001 1] In one embodiment, said two pilot holes are made in ears from longitudinal edges of said base. In one embodiment, said two pilot holes are diametrically opposite one another.
[0013] Selon une réalisation, un des trous pilotes présente des dimensions sensiblement identiques à celles du plot d'indexage correspondant, tandis que l'autre trou pilote de forme oblongue a des dimensions légèrement supérieures à celles du plot d'indexage correspondant. Cela permet d'ajuster le positionnement de l'embase suivant la direction longitudinale du véhicule ou suivant une direction transversale du véhicule. In one embodiment, one of the pilot holes has dimensions substantially identical to those of the corresponding indexing pad, while the other pilot hole of oblong shape has dimensions slightly greater than those of the corresponding indexing pad. This makes it possible to adjust the positioning of the base in the longitudinal direction of the vehicle or in a transverse direction of the vehicle.
[0014] Selon une réalisation, ladite embase comporte au moins une zone d'appui destinée à venir en appui contre une surface d'appui correspondante de ladite platine mécanique de montage. According to one embodiment, said base comprises at least one bearing zone intended to bear against a corresponding bearing surface of said mechanical mounting plate.
[0015] Selon une réalisation, ladite embase comporte deux zones d'appui s'étendant en saillie de part et d'autre du corps. In one embodiment, said base comprises two bearing zones extending projecting from either side of the body.
[0016] Selon une réalisation, ledit corps présente une forme parallélépipédique ayant deux angles biseautés situés d'un côté opposé à ladite embase. [0017] L'invention a également pour objet un procédé de montage automatique d'une suspente d'échappement de véhicule automobile définie précédemment, caractérisé en ce qu'il comporte: According to one embodiment, said body has a parallelepiped shape having two bevelled angles located on a side opposite to said base. The invention also relates to a method of automatic assembly of a motor vehicle exhaust line defined above, characterized in that it comprises:
- une étape de mise en place de la suspente d'échappement sur une platine mécanique de montage via lesdits moyens d'indexage,  a step of placing the escape hanger on a mechanical mounting plate via said indexing means,
- une étape de déplacement du porte-organe à proximité d'un élément situé sous le plancher du véhicule automobile, a step of moving the organ carrier close to an element located under the floor of the motor vehicle,
- une étape de montage, notamment par des moyens mécanique, de préférence par vissage, de la suspente d'échappement sur ledit élément, et  a step of mounting, in particular by mechanical means, preferably by screwing, of the hanger on said element, and
- une étape de retrait de ladite platine mécanique de montage. [0018] Selon une mise en œuvre, l'étape de mise en place de la suspente d'échappement consiste à faire coopérer les trous pilotes ménagés dans ladite embase de la suspente d'échappement avec les plots d'indexage de ladite platine mécanique de montage.  a step of removing said mechanical mounting plate. According to one implementation, the step of setting up the hanger is to cooperate with the pilot holes formed in said base of the exhaust hanger with the indexing studs of said mechanical plate of mounting.
[0019] Selon une réalisation, l'étape de mise en place de la suspente d'échappement consiste à placer deux zones d'appui de la suspente d'échappement contre des surfaces d'appui correspondantes de ladite platine mécanique de montage. [0020] L'invention sera mieux comprise à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Ces figures ne sont données qu'à titre illustratif mais nullement limitatif de l'invention. According to one embodiment, the step of setting up the escapement hanger consists of placing two support zones of the exhaust hanger against corresponding bearing surfaces of said mechanical mounting plate. The invention will be better understood on reading the description which follows and the examination of the figures that accompany it. These figures are given for illustrative but not limiting of the invention.
[0021 ] La figure 1 est une vue en perspective d'une ligne d'échappement maintenue sous le plancher du véhicule au moyen d'une suspente d'échappement selon la présente invention; Figure 1 is a perspective view of an exhaust line held under the floor of the vehicle by means of an exhaust hanger according to the present invention;
[0022] Les figures 2a à 2e montrent les différentes étapes de mise en place de la suspente d'échappement sur une platine mécanique de montage puis son vissage sur un élément sous-caisse d'un véhicule automobile. [0023] Les éléments identiques, similaires, ou analogues conservent la même référence d'une figure à l'autre. Figures 2a to 2e show the various stages of introduction of the exhaust hanger on a mechanical mounting plate and its screwing on a sub-body element of a motor vehicle. Identical elements, similar, or the like retain the same reference from one figure to another.
[0024] La figure 1 montre une suspente d'échappement 1 comportant un corps 2 fixé sur une embase 4 par exemple via un système d'agrafe. Le corps 2 réalisé de préférence dans un matériau élastique, par exemple en élastomère, est destiné à coopérer avec un bras 3 soudé par une de ses extrémités sur une paroi d'une ligne d'échappement 5. Figure 1 shows an exhaust hanger 1 having a body 2 fixed on a base 4 for example via a clip system. The body 2 preferably made of an elastic material, for example elastomer, is intended to cooperate with an arm 3 welded at one of its ends to a wall of an exhaust line 5.
[0025] A cet effet, le corps 2 comporte un logement 6 dans lequel est emmanchée à force une extrémité du bras 3. Le bras 3 pourra comporter un bourrelet 8 visible à la figure 2c qui va déformer élastiquement la matière du corps 2 au niveau du logement 6, lequel va ensuite se refermer après l'insertion du bourrelet 8 de manière à retenir le bras 3. [0026] Le corps 2 présente en l'occurrence une forme parallélépipédique ayant deux angles biseautés 9 situés du côté opposé à l'embase 4. Une telle forme permet de faciliter l'insertion du corps 2 dans le passage délimité par la platine mécanique de montage 15 décrite ci-après. Toutefois, en variante, le corps 2 pourra présenter toute autre forme adaptée à la configuration en sous-caisse du véhicule. [0027] Par ailleurs, l'embase 4 présente une forme globalement rectangulaire à bord d'extrémité arrondis. Comme on peut le voir clairement sur les figures 2a et 2b, la suspente 1 est munie de deux ouvertures 1 1 adaptées à autoriser un passage de moyens de fixation 12 de la suspente 1 sur un élément situé sous un plancher de véhicule automobile. Les ouvertures 1 1 sont situées dans les extrémités longitudinales de l'embase 4. Les moyens de fixation 12 sont en l'occurrence des vis mais pourraient en variante être remplacés par des rivets ou tout autre moyen équivalent. [0028] L'embase 4 comporte en outre des moyens d'indexage 14 de la suspente 1 par rapport à une platine mécanique de montage 15 (cf. figures 2a et 2b). Les moyens d'indexage 14 sont constitués en l'occurrence par deux trous pilotes 16 destinés à coopérer avec des plots d'indexage 17 appartenant à la platine mécanique de montage 15. Les deux trous pilotes 16 sont diamétralement opposés l'un par rapport à l'autre. Ces trous pilotes 16 sont réalisés dans deux oreilles 19 issues de bords longitudinaux de l'embase 4. For this purpose, the body 2 comprises a housing 6 in which is fitted by force an end of the arm 3. The arm 3 may comprise a bead 8 visible in Figure 2c which will deform elastically the material of the body 2 at the level housing 6, which will then close after insertion of the bead 8 so as to retain the arm 3. [0026] The body 2 has in this case a parallelepiped shape having two bevelled angles 9 located on the opposite side to the base 4. Such a shape facilitates the insertion of the body 2 into the passage defined by the mechanical mounting plate 15 described below. However, alternatively, the body 2 may have any other form adapted to the sub-body configuration of the vehicle. Furthermore, the base 4 has a generally rectangular shape with rounded end edge. As can be seen clearly in Figures 2a and 2b, the hanger 1 is provided with two openings 1 1 adapted to allow a passage of fastening means 12 of the hanger 1 on an element located under a floor of a motor vehicle. The openings 1 1 are located in the longitudinal ends of the base 4. The fastening means 12 are in this case screws but could alternatively be replaced by rivets or any other equivalent means. The base 4 further comprises indexing means 14 of the hanger 1 relative to a mechanical mounting plate 15 (see Figures 2a and 2b). The indexing means 14 are constituted in this case by two pilot holes 16 intended to cooperate with indexing studs 17 belonging to the mechanical mounting plate 15. The two pilot holes 16 are diametrically opposed to each other. the other. These pilot holes 16 are made in two lugs 19 coming from longitudinal edges of the base 4.
[0029] Un des trous pilotes 16 présente des dimensions sensiblement identiques à celles du plot 17 correspondant, tandis que l'autre trou pilote 16 de forme légèrement oblongue a des dimensions légèrement supérieures à celles du plot 17 correspondant. On évite ainsi d'avoir un système hyperstatique en permettant d'ajuster le positionnement de l'embase 4 suivant la direction longitudinale du véhicule et/ou suivant une direction transversale du véhicule. One of the pilot holes 16 has dimensions substantially identical to those of the corresponding pad 17, while the other pilot hole 16 of slightly oblong shape has dimensions slightly greater than those of the corresponding stud 17. This avoids having a hyperstatic system by adjusting the positioning of the base 4 in the longitudinal direction of the vehicle and / or in a transverse direction of the vehicle.
[0030] En variante, les trous pilotes 16 sont remplacés par des pions issus des oreilles 19 destinés à coopérer avec des trous de forme complémentaire réalisées dans la platine 15. Alternatively, the pilot holes 16 are replaced by pins from the lugs 19 intended to cooperate with holes of complementary shape formed in the plate 15.
[0031 ] Comme cela est visible à la figure 2a, l'embase 4 comporte deux zones d'appui 21 situées autour des ouvertures 1 1 destinées chacune à venir en appui contre une surface d'appui 30 correspondante de la platine 15. Ces zones d'appui 21 s'étendent en saillie de part et d'autre du corps 2. As can be seen in FIG. 2a, the base 4 comprises two bearing zones 21 situated around the openings 1 1 each intended to bear against a corresponding bearing surface 30 of the plate 15. These zones support 21 extend projecting from both sides of the body 2.
[0032] Les axes des trous pilotes 16 et des ouvertures 1 1 réalisées dans l'embase 4 sont sensiblement perpendiculaires à l'axe du logement 6 recevant le bras 3. The axes of the pilot holes 16 and the openings 1 1 made in the base 4 are substantially perpendicular to the axis of the housing 6 receiving the arm 3.
[0033] Par ailleurs, la platine mécanique de montage 15 comporte deux supports 25 en vis-à-vis ayant chacun globalement une forme en U. Les extrémités libres des branches des supports 25 sont positionnées à distance les unes des autres. Ces supports 25 délimitent ainsi un passage 28 de section sensiblement rectangulaire pour le corps 2 de la suspente 1 . En outre, chaque support 25 comporte une surface d'appui 30 de l'embase 4 située autour d'une broche de vissage 26. Des plots 17 issus des faces d'appui sont positionnés à proximité de deux angles de l'ouverture délimitant le passage 28 qui sont diamétralement opposés. [0034] On décrit ci-après en référence aux figures 2a à 2e, le procédé de montage automatique de la suspente d'échappement 1 précédemment décrite sur un élément sous- caisse 40, c'est-à-dire situé sous le plancher du véhicule prenant en l'occurrence la forme d'un renfort de traverse d'assises. La ligne d'échappement 5 ainsi que le bras 3 correspondant n'ont pas été représentés sur toutes les figures pour faciliter la compréhension. Furthermore, the mechanical mounting plate 15 comprises two supports 25 vis-à-vis each having a generally U-shaped. The free ends of the branches of the supports 25 are positioned at a distance from each other. These supports 25 thus delimit a passage 28 of substantially rectangular section for the body 2 of the hanger 1. In addition, each support 25 has a bearing surface 30 of the base 4 located around a screwing pin 26. The pads 17 coming from the bearing faces are positioned near two angles of the opening defining the passage 28 which are diametrically opposed. Hereinafter described with reference to Figures 2a to 2e, the automatic mounting method of the exhaust hanger 1 described above on a sub-cash element 40, that is to say located under the floor of the vehicle in this case in the form of a reinforcement of crosses assizes. The exhaust line 5 and the corresponding arm 3 have not been shown in all figures for ease of understanding.
[0035] Dans une première étape représentée sur les figures 2a et 2b, la suspente 1 est mise en place sur la platine mécanique de montage 15. A cet effet, le corps 2 est inséré à l'intérieur du passage 28 via son extrémité présentant les angles biseautés 9. En outre, le centrage sous contrôle de la suspente 1 sur la platine mécanique 15 est effectué en faisant coopérer les plots d'indexage 17 des supports 25 avec les trous pilotes 16 de la suspente 1 . Les zones d'appui 21 de la suspente 1 sont plaquées contre les surfaces d'appui 30 correspondantes des supports 25. Chaque ouverture 1 1 de l'embase 4 est alors positionnée en regard de la broche de vissage 26 correspondante. [0036] La platine mécanique de montage 15 est ensuite déplacée avec la suspente 1 qu'elle porte à proximité de l'élément sous-caisse 40 comme cela est illustré aux figures 2c et 2d. L'élément 40 comporte une zone plane 41 contre laquelle la suspente 1 est destinée à être fixée. Les broches 26 et les ouvertures 1 1 de la suspente 1 sont positionnées en regard de trous 43 correspondant réalisés dans la zone plane 41 du renfort de traverse. [0037] On réalise ensuite le vissage de la suspente 1 sur l'élément 40 du plancher par activation des broches de vissage 26, en sorte que l'embase 4 est maintenue serrée entre la tête d'une vis 12 et la paroi de l'élément 40, le cas échéant par l'intermédiaire d'une rondelle de serrage. In a first step shown in Figures 2a and 2b, the hanger 1 is placed on the mechanical mounting plate 15. For this purpose, the body 2 is inserted inside the passage 28 via its end presenting the chamfered corners 9. In addition, the centering under control of the hanger 1 on the mechanical plate 15 is made by cooperating the indexing pads 17 of the supports 25 with the pilot holes 16 of the hanger 1. The bearing zones 21 of the hanger 1 are pressed against the corresponding support surfaces 30 of the supports 25. Each opening 1 1 of the base 4 is then positioned opposite the corresponding screwing pin 26. The mechanical mounting plate 15 is then moved with the hanger 1 it carries near the sub-body element 40 as shown in Figures 2c and 2d. The element 40 comprises a flat zone 41 against which the hanger 1 is intended to be fixed. The pins 26 and the openings 1 1 of the hanger 1 are positioned opposite corresponding holes 43 made in the flat area 41 of the cross brace. Then the screw 1 is made to screw on the element 40 of the floor by activation of the screw pins 26, so that the base 4 is held tight between the head of a screw 12 and the wall of the wall. element 40, if necessary via a clamping washer.
[0038] La platine mécanique de montage 15 est ensuite retirée en l'éloignant de l'élément sous-caisse 40, comme cela est illustré à la figure 2e. The mechanical mounting plate 15 is then removed away from the sub-body element 40, as shown in Figure 2e.
[0039] La ligne d'échappement 5 étant maintenue par quatre suspentes d'échappement, le procédé pourra être mis en œuvre de manière similaire pour la fixation des suspentes d'échappement sur trois autres éléments sous-caisse constitués par exemple d'un longeron, d'une traverse arrière, et d'une zone sous le plancher du véhicule, ou toute autre pièce capable d'accepter une suspente d'échappement. [0040] De façon connue en soi, les platines 15 seront intégrées à un porte organe mécanique sur lequel est installée la ligne d'échappement avant sa fixation sous le plancher du véhicule. The exhaust line 5 being held by four exhaust lines, the method can be implemented in a similar manner for fixing the exhaust lines on three other sub-body elements consisting for example of a spar , a rear crossmember, and an area under the floor of the vehicle, or any other room capable of accepting an exhaust line. In known manner, the plates 15 will be integrated into a mechanical member door on which is installed the exhaust line before fixing under the floor of the vehicle.
[0041 ] A l'exception de la mise en place de la suspente 1 sur la platine mécanique de montage 15, toutes les autres étapes du procédé selon l'invention peuvent être réalisées de manière automatique, ce qui représente un gain substantiel en temps de montage et en main d'œuvre. With the exception of the establishment of the hanger 1 on the mechanical mounting plate 15, all other steps of the method according to the invention can be performed automatically, which represents a substantial gain in time of assembly and labor.
[0042] En variante, la suspente 1 comporte une seule zone d'appui 21 avec la platine mécanique de montage 15. [0043] Bien entendu, la description qui précède a été donnée à titre d'exemple uniquement et ne limite pas le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'exécution par tous autres équivalents. Alternatively, the hanger 1 comprises a single bearing zone 21 with the mechanical mounting plate 15. Of course, the foregoing description has been given by way of example only and does not limit the scope of the invention of which one would not go out by replacing the details of execution by all other equivalents.

Claims

Revendications : Claims:
1. Ensemble formé par - une suspente d'échappement (1 ) de véhicule automobile comportant un corps (2) réalisé dans un matériau élastique destiné à coopérer avec un bras (3) issu d'une ligne d'échappement (5), et une embase (4) munie d'au moins une ouverture (1 1 ) adaptée à autoriser un passage d'un moyen de fixation (12) de ladite suspente d'échappement (1 ) sur un élément (40) situé sous un plancher de véhicule automobile, et - une platine mécanique de montage (15), caractérisé en ce que ladite embase (4) comporte en outre des moyens d'indexage (14) de ladite suspente d'échappement (1 ) par rapport à une platine mécanique de montage (15) par coopération entre au moins deux plots d'indexage (17) et deux trous pilotes (16) correspondants. 1. Assembly formed by - an exhaust line (1) of a motor vehicle comprising a body (2) made of an elastic material intended to cooperate with an arm (3) from an exhaust line (5), and a base (4) provided with at least one opening (1 1) adapted to allow passage of a fastening means (12) of said exhaust hanger (1) on a member (40) located under a floor of motor vehicle, and - a mechanical mounting plate (15), characterized in that said base (4) further comprises indexing means (14) of said exhaust hanger (1) relative to a mechanical plate of mounting (15) by cooperation between at least two indexing studs (17) and two corresponding pilot holes (16).
2. Ensemble selon la revendication 1 , caractérisé en ce que les moyens d'indexage (14) sont constitués par deux trous pilotes (16) réalisés dans ladite embase (4) adaptés à coopérer avec des plots d'indexage (17) appartenant à ladite platine mécanique de montage (15). 2. An assembly according to claim 1, characterized in that the indexing means (14) consist of two pilot holes (16) formed in said base (4) adapted to cooperate with indexing studs (17) belonging to said mechanical mounting plate (15).
3. Ensemble selon la revendication 2, caractérisée en ce que lesdits deux trous pilotes (16) sont réalisés dans des oreilles (19) issues de bords longitudinaux de ladite embase (4). 3. An assembly according to claim 2, characterized in that said two pilot holes (16) are made in ears (19) from longitudinal edges of said base (4).
4. Ensemble selon l'une quelconque des revendications 1 à 3, caractérisée en ce que lesdits deux trous pilotes (16) sont diamétralement opposés l'un par rapport à l'autre. 4. An assembly according to any one of claims 1 to 3, characterized in that said two pilot holes (16) are diametrically opposed relative to each other.
5. Ensemble selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'un des trous pilotes (16) présente des dimensions sensiblement identiques à celles du plot d'indexage (17) correspondant, tandis que l'autre trou pilote (16) de forme oblongue a des dimensions légèrement supérieures à celles du plot d'indexage (17) correspondant. 5. An assembly according to any one of claims 1 to 4, characterized in that one of the pilot holes (16) has dimensions substantially identical to those of the corresponding indexing pad (17), while the other pilot hole (16) of oblong shape has dimensions slightly greater than those of the corresponding indexing pad (17).
6. Ensemble selon l'une quelconque des revendications 1 à 5, caractérisée en ce que ladite embase (4) comporte au moins une zone d'appui (21 ) destinée à venir en appui contre une surface d'appui (30) correspondante de ladite platine mécanique de montage (15). 6. Assembly according to any one of claims 1 to 5, characterized in that said base (4) comprises at least one bearing zone (21) intended to bear against a bearing surface (30) corresponding to said mechanical mounting plate (15).
7. Ensemble selon la revendication 6, caractérisée en ce que ladite embase (4) comporte deux zones d'appui (21 ) s'étendant en saillie de part et d'autre du corps (2). 7. An assembly according to claim 6, characterized in that said base (4) comprises two bearing zones (21) projecting on either side of the body (2).
8. Ensemble selon l'une quelconque des revendications 1 à 7, caractérisée en ce que ledit corps (2) présente une forme parallélépipédique ayant deux angles biseautés (9) situés d'un côté opposé à ladite embase (4). 8. An assembly according to any one of claims 1 to 7, characterized in that said body (2) has a parallelepiped shape having two bevelled angles (9) located on a side opposite to said base (4).
9. Procédé de montage automatique d'une suspente d'échappement (1 ) et une platine mécanique de montage (15) formant l'ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit procédé comporte: 9. A method of automatically mounting an exhaust hanger (1) and a mechanical mounting plate (15) forming the assembly according to any one of the preceding claims, characterized in that said method comprises:
- une étape de mise en place de la suspente d'échappement (1 ) sur une platine mécanique de montage (15) via lesdits moyens d'indexage (14), a step of placing the escape hanger (1) on a mechanical mounting plate (15) via said indexing means (14),
- une étape de déplacement du porte-organe à proximité d'un élément (40) situé sous un plancher du véhicule automobile,  a step of moving the organ holder close to an element (40) located under a floor of the motor vehicle,
- une étape de montage, notamment par des moyens mécanique, de préférence par vissage, de la suspente d'échappement (1 ) sur ledit élément, et  a step of mounting, in particular by mechanical means, preferably by screwing, of the escapement hanger (1) on said element, and
- une étape de retrait de ladite platine mécanique de montage (15).  a step of removing said mechanical mounting plate (15).
10. Procédé selon la revendication 9, caractérisé en ce que l'étape de mise en place de la suspente d'échappement consiste à faire coopérer les trous pilotes (16) ménagés dans ladite embase (4) de la suspente d'échappement (1 ) avec les plots d'indexage (17) de ladite platine mécanique de montage (15). 10. The method of claim 9, characterized in that the step of placing the hanger exhaust consists of cooperating the pilot holes (16) formed in said base (4) of the hanger (1). ) with the indexing studs (17) of said mechanical mounting plate (15).
PCT/FR2015/050703 2014-04-01 2015-03-20 Motor vehicle exhaust hanger WO2015150658A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201580018336.3A CN106164436B (en) 2014-04-01 2015-03-20 The exhaust tube hanger of motor vehicles and its automatic installation method with mechanical erection plate
EP15717023.4A EP3126647B1 (en) 2014-04-01 2015-03-20 Motor vehicle exhaust hanger
ES15717023.4T ES2654415T3 (en) 2014-04-01 2015-03-20 Automobile vehicle exhaust suspension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1452857A FR3019213A1 (en) 2014-04-01 2014-04-01 EXHAUST EXHAUST OF MOTOR VEHICLE
FR1452857 2014-04-01

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ES (1) ES2654415T3 (en)
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US10718253B2 (en) * 2018-08-14 2020-07-21 The Pullman Company Exhaust system isolator mount with anti-rotation feature

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FR2869351A1 (en) * 2004-04-27 2005-10-28 Delmon Ind Sa Exhaust line supporting device for motor vehicle, has two elastic units integrated to mounting plate through their one end, and having, at level of elastic intermediate sections, jambs connecting other ends of units to valve bridge
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DE3643698C1 (en) 1986-12-20 1988-07-07 Audi Ag Vibration-insulating suspension for a pipe through which a hot medium flows
FR2869351A1 (en) * 2004-04-27 2005-10-28 Delmon Ind Sa Exhaust line supporting device for motor vehicle, has two elastic units integrated to mounting plate through their one end, and having, at level of elastic intermediate sections, jambs connecting other ends of units to valve bridge
FR2933341A1 (en) * 2008-07-04 2010-01-08 Peugeot Citroen Automobiles Sa Exhaust components e.g. silencer and thermal shield, connecting system for underframe of motor vehicle, has fixation axle fixing intermediate connection unit to body component i.e. underframe, of motor vehicle

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Publication number Priority date Publication date Assignee Title
CN111727307A (en) * 2018-02-14 2020-09-29 标致雪铁龙汽车股份有限公司 Motor vehicle with exhaust hook connected to muffler by predetermined breaking means
CN111727307B (en) * 2018-02-14 2022-05-13 标致雪铁龙汽车股份有限公司 Motor vehicle with exhaust hook connected to a silencer by a predetermined breaking device

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ES2654415T3 (en) 2018-02-13
EP3126647A1 (en) 2017-02-08
EP3126647B1 (en) 2017-12-20
CN106164436B (en) 2018-08-07
CN106164436A (en) 2016-11-23

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