WO2016071496A1 - Dispositif anti rotation d'une lance a carburant - Google Patents
Dispositif anti rotation d'une lance a carburant Download PDFInfo
- Publication number
- WO2016071496A1 WO2016071496A1 PCT/EP2015/075919 EP2015075919W WO2016071496A1 WO 2016071496 A1 WO2016071496 A1 WO 2016071496A1 EP 2015075919 W EP2015075919 W EP 2015075919W WO 2016071496 A1 WO2016071496 A1 WO 2016071496A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lance
- bore
- fuel
- rotation device
- nut
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 62
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 19
- 239000002245 particle Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- F02M55/002—Arrangement of leakage or drain conduits in or from 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
- 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
-
- 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
- F02M2200/852—Mounting of fuel injection apparatus provisions for mounting the fuel injection apparatus in a certain orientation, e.g. markings or notches
-
- 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
- F02M2200/855—Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
Definitions
- the present invention relates to an anti-rotation device used in a fuel lance supplying a fuel injector at high pressure.
- a fuel pump supplies high pressure fuel to each engine cylinder by means of a dedicated fuel injector.
- the fuel injector is mounted in a bore in a cylinder head and a fuel lance is used to provide a fluid connection between the injector and the supply conduit from the fuel pump.
- a fuel lance 10 comprises a tubular member 22 having a first end 46 adapted to cooperate with the seat 16 of an injector 12, and a second end 48 which is formed to define a frustoconical seat 24.
- a fastener nut 26 is partially within an end of a bore 20, the fastener nut 26 having an inner end region 28 adapted to cooperate with the seat 24.
- the fixing nut 26 comprises an external threaded region 30.
- the threading 30 is arranged to cooperate with screw threads formed in the end 48 of the bore 20.
- the inner end 28 of the fastener nut 26 cooperates with the seat 24 of the tubular member 22 by applying a compressive force against the tubular member 22 to form a joint. sealing both between the tubular member 22 and the seat 16 of the injector 12 and between the nut 26 and the tubular member 22.
- the tubular member 22 and the fixing nut 26 each comprise axially extending passages which together define a flow path.
- the fuel is able to flow through the lance to fuel 10 to the supply passage 18 of the injector 12 from a high pressure fuel pipe 34 fixed to the fastening nut 26 via a standard attachment tube 36.
- the bore of the fastener nut 26 extends axially and comprises a larger diameter region which receives a slit filter element 38 arranged to filter undesirable particles from the fuel flow to the injector 12.
- the yoke 14 has a passage 42 which communicates with the bore 20, the passage 42 allowing the low pressure fuel to flow from the injector 12 through the bore 20 to a low pressure fuel tank (not described ).
- the fixing nut 26 comprises a proximal recess of the threaded region 30 which positions an annular sealing element 32 arranged to form a fluid-tight seal between the fixing nut 26 and the wall of the cylinder head 14 defining the bore. 20.
- a problem arises about the device of the high-pressure fuel supply is that the seal between the fuel lance and the injection nozzle requires the tightening of a fixing screw in the cylinder head and the transfer of the load the screw towards the fuel lance. This mechanism also causes the rotation of parts and the generation of unwanted particles in the form of debris, which could lead to fuel contamination and component wear.
- the invention consists of an anti-rotation device for the fuel lance to prevent its rotation inside the cylinder head and thus better transmit the desired load.
- the present invention aims to solve the problems mentioned above by proposing a simple and easy assembly solution.
- the invention proposes an anti-rotation device for a fuel lance.
- the lance is adapted to be arranged in a bore extending through a cylinder head from an inlet port to a well for receiving a fuel injector.
- the lance is adapted to allow high-pressure fuel to flow from an inlet mouth of the lance to the outlet mouth of the lance cooperating with the inlet mouth of the fuel injector.
- the fuel lance includes a nut intended to be screwed into an inlet port of the bore and a tabular member compressed between said nut and injector.
- the lance further comprises anti-rotation device adapted to prohibit the rotation of the tabular member when the nut is screwed.
- the anti-rotation device is an elastic element deforming from the beginning of the rotation of the nut so as to lock between the tabular member and the inner wall of the bore and thus to prohibit the rotation of the tabular member.
- the elastic element is able to be arranged between the lance and the bore.
- the elastic member is a torsion spring wound in cylindrical helix around the tabular member.
- the torsion spring comprises a lug at one end, the lug anchored in a groove formed in the proximal bore of the inlet mouth of the bore.
- a second embodiment is characterized in that the elastic element is a double torsion spring wound in cylindrical helix around the tabular member.
- the double torsion spring comprises two lugs respectively at each end, the two lugs anchored in the groove of the bore.
- the fuel lance further comprises anti-rotation device as described in the various embodiments.
- An internal combustion engine further comprises an injector fed by the fuel lance as previously described in the various embodiments.
- FIG. 1 is a sectional view of a known fuel lance.
- Figure 2 is a sectional view of the fuel injector nozzle assembly according to the invention.
- Figure 3 is a sectional view of the anti-rotation device with a torsion spring according to the invention.
- FIG. 4 is a sectional view of anti-rotation device with a double spring according to the invention.
- Figure 5 is a sectional view of the tabular member and the fixing nut.
- Figure 6 is a sectional view along the axis VI shown in Figure 5.
- the fuel lance 100 is arranged in a long bore 102 drilled in a high engine 104 also called cylinder head.
- the fuel lance 100 extends from an inlet port 116 to a well 108 provided to receive a fuel injector 110.
- the fuel lance 100 comprises a tubular member 118 arranged in the long bore 102, a fastener nut 112 cooperating with the tubular member 118 and an anti-rotation device 120 mounted on the tubular member.
- the tubular member 118 extends along the long bore 102 from the inlet 116 of the yoke 104 to an outlet 122 of the yoke 104 opening into the well 108.
- the tubular member 118 comprises an inlet mouth 106 and an outlet mouth 124.
- the inlet mouth 106 has an end 142 in spherical shape maie whose apex is sliced.
- the outlet mouth 124 has a surface of spherical shape maie.
- the outlet mouth 124 cooperates with an inlet mouth 126 of the injector 110 having a female conical surface.
- the tubular member 118 is cylindrical in shape.
- the tubular member 118 comprises a groove 128 proximal to the inlet port 116 of the breech 104 to receive an anti-rotation device 120.
- the fixing nut 112 is mounted on the inlet mouth 106 of the tubular member 118 proximal to the inlet port 116 of the cylinder head 104.
- the nut 112 is located partially outside the the inlet port 116.
- the fixing nut 112 comprises a recess for receiving a seal 130.
- the seal 130 is arranged to form a fuel seal between the fixing nut 112 and the the surface of the cylinder head 104 delimiting the long bore 102.
- the seal 130 is distal from the outlet mouth 124 of the lance 100 in contact with the injector 110. As illustrated in FIG.
- the fixing nut 112 comprises a externally threaded region 138 which is arranged to cooperate with the screw threads formed in the inlet hole 116 of the cylinder head 104.
- the nut 112 internally comprises a bore, one end 115 of which distal cone shape of the tabular member 118 and an end 140 in the form of a female cone.
- the inner end 140 of the fixing nut 112 facing the inside of the long bore 102 cooperates with the inlet mouth 106 of the tabular member 1 18.
- the cone of the inner end 140 is in axial compression against the end 142.
- the anti-rotation device 120 is an elastic element that deforms from the beginning of the rotation of the fixing nut 112.
- the elastic element is arranged between the lance 100 and the bore 102.
- the anti-rotation device 120 is mounted around the groove 128 of the tabular member 118 at a proximal distance from the inlet mouth 106.
- the anti-rotation device 120 is in contact with a groove 132 formed in the bore 102 of the cylinder head 104.
- the anti-rotation device 120 is a torsion spring wound in a cylindrical helix around the tabular member 118.
- the spring 120 is in contact with both the groove 128 made on an outer surface the tabular member 118 and the groove 132 in the bore 102.
- the torsion spring 120 includes a lug 134 at one end. As illustrated in FIG. 6, the lug 134 is anchored in the groove 132 of the bore 102, which means that the lug is inserted into the groove and can rotate in the groove around the lug.
- the spring 120 has two positions, a first position released when the spring 120 is at rest, a second position constrained when applying a tightening torque.
- the winding direction of the torsion spring 120 is on the right that is to say that the helix rises to the right.
- the following data is given by way of example to illustrate the first embodiment.
- the length of the fuel lance is substantially equal to 100 mm.
- the length of the fixing nut is substantially equal to 55 mm with a diameter substantially equal to 22 mm.
- the diameter of the bore 102 is substantially equal to 12 mm.
- the spring is of length substantially equal to 12 mm with a number of turns of 5.
- the winding to the right of the spring 120 serves to screw the fuel lance 100.
- the anti-rotation device 120 is a double spring wound on the tabular element 118.
- the torsion spring 120 wound in a cylindrical helix is provided with two lugs 134, 136 respectively located at both ends of the tube. 120.
- the first lug 134 is anchored in the groove 132 of the bore 102 and the second lug 136 is anchored in the groove 132 of the bore 102 distal of the first lug 134.
- the two lugs 134, 136 are anchored which means that they are inserted into the groove and that they can rotate about the main axis A.
- the spring 120 has two positions, a first position released when the spring 120 is at rest, a second position constrained when applying a torque of tightening or loosening.
- the spring 120 has two opposite windings.
- the two windings may have either an identical number of turns or a different number of turns.
- windings may be the same or different.
- the direction of one of the two windings of the spring 120 is on the right for the screwing of the fuel lance 100 and the direction of the other winding is on the left for the unscrewing of the fuel lance 100.
- the following data is given in FIG. as an example to illustrate the second embodiment.
- the length of the fuel lance is
- the double spring 120 has a length substantially equal to 23 mm with a total number of turns of 10 turns 5 turns in a winding direction of the spring 120 and 5 turns in the other direction of winding. The winding on the right of the double spring 120 serves to screw the fuel lance 100 and the winding on the left serves to unscrew the fuel lance 100.
- the double torsion spring 120 has a first winding direction to the left of the double spring 120 for screwing and a second winding direction to the right of the double spring 120 for the unscrewing of the fuel lance 100.
- the torsion spring 120 rotates about its main axis A in the screwing direction until the contact between the pin 134 and the groove 132 of the bore 102 in the cylinder head 104.
- the spring 120 is tightened around the tubular element 118 during the rotation of the nut 112 by compressing until blocking the rotation of the tubular element 118.
- the spring 120 remains tight on the tubular member 118 and the lug 134 remains in contact with the groove 132.
- the double torsion spring 120 initiates the rotation about its main axis A until the contact between the pin 134 and the groove 132 of the bore 102 in the cylinder head 104.
- the spring 120 is tightened around the tubular element 118 with one of the turns of the coil during the rotation of the nut 112 by compressing itself and the spring 120 blocks the rotation of the tubular element 118. stopping screwing takes place, the spring 120 remains tight on the tubular element 1 18 and the lug 134 remains in contact with the groove 132.
- the torsion spring 120 is loosens around the tubular member 118 for the right winding while the winding on the left will gradually tighten on the tubular member 118 through the contact between the pin 136 and the groove 132 of the bore 102 in the cylinder head 104 until to block the rotation of the tubular member 118.
- the nut 112 can be loosened without rotation of the tubular member 118 and the generation of undesirable particles will be avoided also loosening.
- the elastic member 120 is mounted by threading it around the tubular member 118 through the end 106 to the groove 128 of the tubular member 118 proximal to the end 106 receiving the tubular member 118. Fixing nut 112. The elastic element 120 is mounted tightly on the tubular element 118. Then the fuel lance 100 is mounted in the bore 102 of the yoke 104, the end 124 of which opens into an outlet orifice 122, cooperating with the inlet mouth 126 of the injector 110 having a female cone. When mounting the nut 112 on the fuel lance 100, the nut 112 is screwed into the threaded zone 138 of the bore 102.
- the inner end 140 of the nut 112 comes into contact with the end 142 of the inlet mouth 106 of the tubular element 1 18.
- the fixing nut 112 is screwed into the bore 102, the fuel lance 100 begins to rotate about its main axis A until anti-rotation device 120 comes to prohibit the rotation of the tubular member 118 when the nut 112 is screwed.
- the elastic member 120 is then clamped onto the tubular member 118 and blocks its rotation. Then the fastener nut 112 receives the fuel conduit through the inlet port 115 and is not shown in the figures.
- the double torsion spring 120 when dismounting the lance to fuel, the double torsion spring 120 avoids the rotation of the tubular member 118 through the second winding whose winding direction is left. In the unscrewing step, the double torsion spring 120 has the first right-facing winding which loosens from the tubular member 118 and the second left-handed winding which tightens over the tubular member 118 until the spur. 136 abuts the groove 132 and blocks the rotation of the tubular member 118.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177014686A KR102381694B1 (ko) | 2014-11-07 | 2015-11-06 | 연료 랜스의 회전방지 장치 |
CN201580060303.5A CN107076079B (zh) | 2014-11-07 | 2015-11-06 | 燃料喷枪的防旋转装置 |
US15/524,698 US10125731B2 (en) | 2014-11-07 | 2015-11-06 | Anti-rotation device of a fuel lance |
EP15804329.9A EP3215732B1 (fr) | 2014-11-07 | 2015-11-06 | Dispositif anti rotation d'une lance a carburant |
JP2017523967A JP6673607B2 (ja) | 2014-11-07 | 2015-11-06 | 燃料ランスの回り止め装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460771A FR3028296B1 (fr) | 2014-11-07 | 2014-11-07 | Dispositif anti rotation d'une lance a carburant |
FR1460771 | 2014-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016071496A1 true WO2016071496A1 (fr) | 2016-05-12 |
Family
ID=52737195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/075919 WO2016071496A1 (fr) | 2014-11-07 | 2015-11-06 | Dispositif anti rotation d'une lance a carburant |
Country Status (7)
Country | Link |
---|---|
US (1) | US10125731B2 (fr) |
EP (1) | EP3215732B1 (fr) |
JP (1) | JP6673607B2 (fr) |
KR (1) | KR102381694B1 (fr) |
CN (1) | CN107076079B (fr) |
FR (1) | FR3028296B1 (fr) |
WO (1) | WO2016071496A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10036357B2 (en) * | 2014-09-23 | 2018-07-31 | Tajm Llc | Fuel jet tube and related methods |
EP3447275B1 (fr) * | 2017-08-22 | 2021-04-21 | Eugen Seitz AG | Injecteur de gaz |
US11136953B2 (en) * | 2018-11-20 | 2021-10-05 | Delphi Technologies Ip Limited | Fuel injector with a locating pin, internal combustion engine using the same, and method |
CN111577499B (zh) * | 2020-04-26 | 2021-11-05 | 安徽航瑞航空动力装备有限公司 | 侧进油喷油器进油装置及发动机 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT291785B (de) * | 1970-01-26 | 1971-07-26 | Steyr Daimler Puch Ag | Schutzvorrichtung für freiliegende Wellen, insbesondere für die Kratzbodenantriebswellen landwirtschaftlicher Fahrzeuge |
EP0974749A2 (fr) | 1998-07-24 | 2000-01-26 | Lucas Industries Limited | Connecteur utilisé pour l'alimentation du combustible à un injecteur |
US6199539B1 (en) * | 2000-06-22 | 2001-03-13 | Detroit Diesel Corporation | Anti-rotation mechanism for a high pressure fuel supply pipe in a common rail fuel system |
WO2002023035A1 (fr) * | 2000-09-12 | 2002-03-21 | Detroit Diesel Corporation | Systeme d'alimentation en carburant |
JP2002174272A (ja) * | 2000-12-06 | 2002-06-21 | Ntn Corp | 両方向トルクリミッタ |
FR2845149A1 (fr) * | 2002-09-30 | 2004-04-02 | Tokai Rubber Ind Ltd | Dispositif et structure anti-rotation pour tuyau et raccord |
EP2060775A2 (fr) * | 2007-11-13 | 2009-05-20 | Delphi Technologies, Inc. | Lance de carburant et ensemble |
US20120012083A1 (en) * | 2010-07-13 | 2012-01-19 | Caterpillar Inc. | Fuel Delivery Assembly |
EP2779321A1 (fr) * | 2013-03-13 | 2014-09-17 | Amphenol Corporation | Élément anti-découplage pour composant de connecteur |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845748A (en) * | 1972-09-29 | 1974-11-05 | Mack Trucks | Fuel injection nozzle holder installation |
DE4239173C1 (en) * | 1992-11-21 | 1993-09-02 | Mercedes-Benz Aktiengesellschaft, 70327 Stuttgart, De | Cylinder-head for fuel-injection engine - has pressure pipe passing through clamping screw and with union at protruding end for injection pipe |
US5775303A (en) * | 1995-06-30 | 1998-07-07 | Cummins Engine Company, Inc. | High Pressure Fuel Line Connection |
DE19524520A1 (de) * | 1995-07-05 | 1997-01-09 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
US6536417B2 (en) * | 2000-12-20 | 2003-03-25 | Detroit Diesel Corporation | Easy flow improved edge filter and fuel system |
FI120886B (fi) * | 2008-06-05 | 2010-04-15 | Waertsilae Finland Oy | Polttoaineen ruiskutusjärjestelmä mäntämoottorille |
FI120843B (fi) * | 2008-06-05 | 2010-03-31 | Waertsilae Finland Oy | Korkeapainepolttoaineen liitäntäjärjestely ruiskutussuuttimeen yhteispainevarastoon perustuvassa järjestelmässä |
EP2354529B1 (fr) * | 2010-01-21 | 2012-09-19 | Delphi Technologies Holding S.à.r.l. | Ensemble de tuyau de carburant et supports de fixation |
US9239035B2 (en) * | 2010-11-06 | 2016-01-19 | Hans-Jurgen Guido | Connection arrangement for a tubular fuel line |
DE102010050296B4 (de) * | 2010-11-06 | 2013-11-07 | Hans-Jürgen Guido | Anschlussanordnung für eine rohrförmige Kraftstoffleitung |
-
2014
- 2014-11-07 FR FR1460771A patent/FR3028296B1/fr not_active Expired - Fee Related
-
2015
- 2015-11-06 KR KR1020177014686A patent/KR102381694B1/ko active IP Right Grant
- 2015-11-06 WO PCT/EP2015/075919 patent/WO2016071496A1/fr active Application Filing
- 2015-11-06 US US15/524,698 patent/US10125731B2/en active Active
- 2015-11-06 CN CN201580060303.5A patent/CN107076079B/zh active Active
- 2015-11-06 JP JP2017523967A patent/JP6673607B2/ja active Active
- 2015-11-06 EP EP15804329.9A patent/EP3215732B1/fr active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT291785B (de) * | 1970-01-26 | 1971-07-26 | Steyr Daimler Puch Ag | Schutzvorrichtung für freiliegende Wellen, insbesondere für die Kratzbodenantriebswellen landwirtschaftlicher Fahrzeuge |
EP0974749A2 (fr) | 1998-07-24 | 2000-01-26 | Lucas Industries Limited | Connecteur utilisé pour l'alimentation du combustible à un injecteur |
US6199539B1 (en) * | 2000-06-22 | 2001-03-13 | Detroit Diesel Corporation | Anti-rotation mechanism for a high pressure fuel supply pipe in a common rail fuel system |
WO2002023035A1 (fr) * | 2000-09-12 | 2002-03-21 | Detroit Diesel Corporation | Systeme d'alimentation en carburant |
JP2002174272A (ja) * | 2000-12-06 | 2002-06-21 | Ntn Corp | 両方向トルクリミッタ |
FR2845149A1 (fr) * | 2002-09-30 | 2004-04-02 | Tokai Rubber Ind Ltd | Dispositif et structure anti-rotation pour tuyau et raccord |
EP2060775A2 (fr) * | 2007-11-13 | 2009-05-20 | Delphi Technologies, Inc. | Lance de carburant et ensemble |
US20120012083A1 (en) * | 2010-07-13 | 2012-01-19 | Caterpillar Inc. | Fuel Delivery Assembly |
EP2779321A1 (fr) * | 2013-03-13 | 2014-09-17 | Amphenol Corporation | Élément anti-découplage pour composant de connecteur |
Also Published As
Publication number | Publication date |
---|---|
CN107076079B (zh) | 2019-07-16 |
JP2017534020A (ja) | 2017-11-16 |
CN107076079A (zh) | 2017-08-18 |
US20170321642A1 (en) | 2017-11-09 |
JP6673607B2 (ja) | 2020-03-25 |
EP3215732B1 (fr) | 2019-01-09 |
KR20170080634A (ko) | 2017-07-10 |
US10125731B2 (en) | 2018-11-13 |
EP3215732A1 (fr) | 2017-09-13 |
FR3028296B1 (fr) | 2016-11-11 |
FR3028296A1 (fr) | 2016-05-13 |
KR102381694B1 (ko) | 2022-04-01 |
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