WO2014174201A2 - Stator de machine electrique muni de gaines d'isolation des fils relies aux bobines ayant une longueur optimisee et machine electrique correspondante - Google Patents
Stator de machine electrique muni de gaines d'isolation des fils relies aux bobines ayant une longueur optimisee et machine electrique correspondante Download PDFInfo
- Publication number
- WO2014174201A2 WO2014174201A2 PCT/FR2014/050969 FR2014050969W WO2014174201A2 WO 2014174201 A2 WO2014174201 A2 WO 2014174201A2 FR 2014050969 W FR2014050969 W FR 2014050969W WO 2014174201 A2 WO2014174201 A2 WO 2014174201A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- coils
- phase
- wires
- output
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
Definitions
- the invention relates to an electric machine stator provided with insulating sheaths of the wires connected to the coils having an optimized length, as well as on the corresponding electrical machine.
- the invention finds a particularly advantageous application in the field of rotating electrical machines such as an alternator, or an electric motor.
- the invention can be used advantageously with a refrigerant compressor air conditioner for a motor vehicle.
- Electric machines having a stator and a rotor integral with a shaft ensuring the movement of a scroll compressor, also known as a "scroll compressor".
- a scroll compressor also known as a "scroll compressor”.
- Such a system comprises two spirals interposed as pallets for pumping and compressing the refrigerant. In general, one of the turns is fixed, while the other moves eccentrically without turning, so as to pump and trap and compress fluid pockets between the turns.
- Such a system is for example described in EP1865200.
- the stator comprises a body made of laminated sheet to reduce the eddy currents.
- the body has at its outer periphery an annular wall, called a yoke, and teeth coming from the inner periphery of the annular wall having an outer periphery in contact with a housing that comprises the rotating electrical machine.
- This housing also called casing, is configured to rotate the rotor shaft via ball bearings and / or needle as can be seen for example in Figures 1 and 2 of EP1865200.
- the stator teeth are distributed on the wall of the stator body and extend inwardly of the stator towards the rotor.
- An air gap exists between the free end of the teeth, defining the inner periphery of the body of the stator, and the outer periphery of the rotor, which may be a rotor with permanent magnets.
- the teeth define with the annular wall notches open towards the inside and intended to receive coils, for example in the form of coils, for forming a polyphase stator for example of the three-phase type.
- Coils electrically insulated from the stator body are wound around the teeth so that each slot of the stator receives two half-coils. Insulation of the coils relative to the stator body can be achieved by using insulating elements plated on either side of the stator body in combination with notch insulators positioned against the inner walls of the notches. It is also possible to use coils mounted on individual insulating supports to be threaded around a tooth of the stator via an opening in the support.
- Each coil has an input and an output having one or more wires in parallel.
- the input is intended to be interconnected with other inputs to form the neutral point of the electrical machine while the output is intended to be interconnected with other outputs of the coils to form one of the phases of the machine.
- FIG. 1 shows a stator 1 comprising three phases U, V, W and fifteen coils 2, ie five coils per phase.
- Each phase U, V, W is associated with a wire bundle traversing almost the entire circumference of the stator to connect the different coils belonging to the corresponding phase.
- FIG. 1 represents the paths C1-C4 traversed by the various insulating sheaths 3 of the wires of the bundle FU connected to the outputs U2-U5, knowing that another wire of the bundle is connected to the output U1.
- These insulating sheaths 3 make it possible to avoid the mechanical friction of the copper wires on the bunches of the coils 2.
- the buns are formed by the parts of the coils 2 projecting on either side of the stator body. 1.
- the disadvantage of this configuration lies in the fact that the son of the FU beam require different lengths of sheath to be connected to the outputs of the corresponding coils, which complicates the assembly process and makes it very long.
- the total height of the stator is not optimized.
- the thickness of the insulating sheaths is greater in the zone ZA of connection with the first coils in which all the sheaths are present than in the zone ZB of connection with the last coils in which only a few sheaths are present.
- the invention aims to effectively remedy at least one of these disadvantages by proposing a stator for polyphase rotating electrical machine comprising a body provided with an outer wall and teeth extending from an inner periphery of said outer wall towards the inside.
- the stator a set of coils wound around the teeth each having an input and an output having one or more wires in parallel, the input being intended to be interconnected with other inputs to form the neutral point of the machine and the the output being intended to be interconnected with other outputs to form one of the phases of the machine and each phase is associated with a bundle of wires, this bundle being separated into two beam portions, these two beam portions traversing a portion of the circumference of the stator in two opposite directions to connect the outputs of the coils forming the same phase, and
- the separation of each beam is carried out in a separation zone located near a connection of one or more wires of the beam with an output of one of the coils belonging to the phase corresponding to said beam, so that the insulating sheaths extending along the circumference of the stator from the separation zone to an output of a next coil of a phase or between the outputs of two coils successive phases of said phase all have a substantially identical length relative to one another.
- the invention makes it possible to reduce the final height of the stator. It is also noted that the surface covered by the sheaths on the outer periphery of the buns is minimized, which makes it possible to obtain a better flow of the refrigerant fluid in the case of a compressor type machine.
- each sheath protects a different number of wires, this number of wires decreasing the number of wires in parallel in a coil between two adjacent sheaths when moving from the separation zone towards the sheath of the beam portion furthest from the separation zone.
- the neutral point is made by connecting together the inputs of M successive coils at interconnection points, M being the number of phases of the electric machine.
- the interconnection points are connected to each other.
- the stator comprises two insulating elements clad on either side of the stator each comprising a support intended to be pressed against the wall of the stator, and arms coming from an internal periphery of the support intended to be pressed against the stator teeth, the coils being wound around the assembly formed by the stator teeth and the arms of the insulating elements.
- one of the insulating elements comprises anchoring systems able to maintain an input or an output of the coils during a winding operation.
- each anchoring system is formed by a hook turned on the side of an outer periphery of the support.
- one of the insulating elements comprises systems for holding the insulating sheaths.
- each system for holding the insulating sheaths is formed by an axial extension base and a tongue protruding from a face of the base facing the outside of the support.
- the stator further comprises notch insulators plated against internal walls of notches delimited by the teeth of the stator.
- the subject of the invention is also a rotary electric machine with 2p rotor and M phase poles provided with a stator according to the invention comprising M x p coils.
- Figure 1 already described, is a top view of a wound stator according to the state of the art showing the paths of the different insulating sheaths protecting the son connected to the outputs of the coils forming a same phase;
- FIG. 2 shows a perspective view of a stator for an electric machine according to the invention
- Figure 3 shows an exploded view of the various components of the stator according to the invention shown without the winding
- FIG. 4 shows a diagram of the electrical connections of the stator coils according to the invention between them;
- FIG. 5a shows a schematic representation of the configuration of the connections of the wires of a beam to the outputs of the coils forming the same phase U;
- Figure 5b shows a schematic representation similar to that of Figure 5a but without the coils and with the positioning of the outputs of said coils on the circumference of the stator;
- FIG. 6 shows a view from above of the stator showing the groupings of the different inputs of the coils for the realization of the neutral point of the electrical machine
- Figure 7 is a top view of a wound stator according to the invention showing the paths of the different insulating sheaths protecting the son of the outputs of the coils forming a same phase.
- FIGS. 2, 3, 6 and 7 show a stator 10 of a rotating electrical machine, such as an air conditioner refrigerant compressor for a motor vehicle.
- the machine consists of an alternator or an electric motor.
- this stator 10 comprises a body 11 in the form of a laminated sheet package having at its outer periphery an annular wall 12, called a yoke, and teeth 13 coming from the inner periphery. of the annular wall 12.
- These teeth 13 are distributed circumferentially evenly and extend inward towards the rotor of the machine such as a rotor with permanent magnets.
- the teeth 13 delimit two by two notches 15, two successive notches 15 being thus separated by a tooth 13.
- Each tooth 13 has at their free end returns 17 extending circumferentially on either side of the tooth 13. Free ends of the teeth 13 delimit, in known manner, an air gap with the outer periphery of the rotor of the rotating electrical machine.
- Two electrically insulating elements 20 are plated on either side of the stator 10 on its radial end faces. Each element 20 may be moldable plastic, for example PA 6.6. Each plastic element 20 may optionally be reinforced with fibers, such as glass fibers.
- Each insulating element 20 comprises at its outer periphery a support 23 in the form of an axially oriented ring, and arms 24, distributed circumferentially, which extend radially from the inner periphery of the support 23 towards the inside of the element. 20. These arms 24 each end at their free end by a flange 25 for retaining in the radial direction of the coils 28 belonging to the excitation coil described below.
- the arms 24 are evenly distributed on the inner periphery of the support 23 and are intended to bear against the teeth 13 of the stator of corresponding shape.
- the support 23 is intended to be pressed against the yoke 12 of the body 1 1 of the stator. In this case, the arms 24 of insulating elements are fifteen, like the teeth 13.
- Maintaining the insulating elements 20 may be achieved by means of two latching devices 29 (clipping) visible in Figure 3 adapted to cooperate with openings 30 formed in the end face of the corresponding stator 10.
- stator 10 is equipped with notch insulators 33 in the form of a thin membrane, made of an electrically insulating and heat conducting material, for example an aramid material of Nomex type (trademark).
- This thin membrane is folded so that each notch insulator 33 is pressed against the internal walls of the notches 15 of the stator 10.
- This winding operation may for example be performed using a centrally hollow needle to allow passage of one or more parallel son forming the coil. This needle is moving circumferentially, axially and radially with respect to the stator.
- the winding is preferably carried out counter-clockwise.
- the arms 24 of the insulating elements 20 and the notch insulator 33 electrically insulate the coils 28 of the stator winding 10 with respect to the stator laminations 10 and protect them during the winding operation.
- one of the insulating elements 20 preferably comprises anchoring systems 35 for holding in position an end of one or more wires forming each coil 28 corresponding to an input or an output of the coil 28
- Each anchoring system 35 is for example formed by a hook turned on the side of the outer periphery of the support 23, as shown in Figures 2 and 6. This hook allows the passage of an end of one or more son d a coil 28 between a tab forming a return of said hook and the outer face of the support 23 located on the opposite side to the stator.
- the anchoring system 35 comprises a stud and a U-shaped groove formed around the stud inside which is positioned the end of one or more wires bearing against the side walls of the stud for its maintenance.
- Each coil 28 has two projections, called buns, arranged on either side of a tooth 13 of the stator.
- the coils 28 here have a trapezoidal shape, as can be seen in FIG. 6.
- the coils 28 each have an input and an output having one or more wires in parallel. This depends on the number of wires from which the coil was made.
- the input is intended to be interconnected with other inputs to form the neutral point of the electrical machine.
- the output is intended to be interconnected with other outputs to form one of the phases of the machine.
- the inlet preferably corresponds to the end held by the anchoring system 35 during the winding operation. This is illustrated in Figure 6 for coils formed from a single wire.
- FIG. 4 for a three-phase electrical machine U, V, W provided with a stator comprising fifteen coils 28 numbered from 1 to 15, each phase U, V, W is formed by five coils 28. More generally, for a machine with 2p rotor poles and M phases, the stator has M times p coils.
- the outputs of the coils 28, which are coupled in parallel, are connected alternately to the different phases of the machine.
- the output of the first coil 28 is connected to one of the phases, for example the phase U
- the output of the second coil 28 is connected to another phase, for example the phase V
- the output of the third coil 28 is connected to the last phase W and so on for all the coils of the stator 10.
- the references Ui thus correspond to the outputs of the coils i connected to the phase U
- the references Vj correspond to the outputs of the coils j connected to the phase V
- the references Wk correspond to the outputs of the coils k connected to the phase W.
- angular pitch PA between the coils 28 belonging to the same phase is constant (see Figure 5b).
- angular step PA is meant the separation angle between two consecutive coil outputs 28 of the same phase.
- the neutral point of the electrical machine is achieved by connecting together the inputs of M successive coils at interconnection points, M being the number of phases.
- M being the number of phases.
- the interconnection points N1-N5 may each be physically constituted by a metal tube 60 to which the inputs of the coils 28 are connected in groups of three. It is noted that the interconnection points N1 - N5 may or may not be connected to each other.
- Each phase U, V, W is associated with a beam FU, FV, FW of son separated into two beam portions (FU1, FU2); (FV1, FV2) or (FW1, FW2).
- the separation of each beam FU, FV, FW is carried out in a zone of separation SU, SV, SW located near, for example just above, a connection of one or more son of the beam with an output of one of the coils 28 belonging to the phase corresponding to said beam FU, FV, FW .
- the phase U from the separation zone SU (located near the output U3), the next coils 28 following the circumference of the stator are respectively connected by the outputs U2 and U4.
- phase U two successive coils 28 following the circumference of the stator are respectively connected by the outputs U3 and U4, U4 and U5, U3 and U2 or U2 and U1.
- phase V from the separation zone SV (located near the output V3), the next coils 28 following the circumference of the stator are respectively connected by the outputs V2 and V4.
- phase V two successive coils 28 following the circumference of the stator are respectively connected by the outputs V3 and V4, V4 and V5, V3 and V2 or V2 and V1.
- the beam portions travel a portion of the circumference of the stator in two opposite directions to connect the outputs Ui, Vj, or Wk of the coils 28 forming the same phase.
- the number of wires of each beam portion is reduced by the number of wires in parallel in a coil after each connection with an output Ui, Vj, Wk of a coil 28 when moving from the separation zone SU, SV, SW to a last coil 28 connected by its output to the corresponding beam portion.
- the coil 28 is formed from a wire as is the case in Figures 5a and 5b, the number of wires in the beam portion decreases by one after each connection with a coil output.
- each beam portion FU1, FU2; FV1, FV2; FW1, FW2 has at the separation zone SU, SV, SW a number of son equal to the number of son of the beam FU, FV, FW minus the number of son in parallel in a coil, the whole being divided by two.
- the number of wires between the two portions (FU1, FU2), (FV1, FV2), (FW1, FW2) is equal.
- the U phase FU beam which comprises five wires, has a wire connected to an output U3 of a coil 28.
- This beam FU is subdivided into two beam portions FU1, FU2 in a separation zone SU located near the connection with the output U3.
- Each beam portion FU1, FU2 each comprises two son and a wire after the connection with an output U2, U4 of one of the coils.
- the last wires of each beam portion FU1, FU2 are respectively connected to the outputs U1 and U5 of the last coils 28.
- the separation of the beam FU, FV, FW will be carried out in the area near the connection with one of the coils of the phase, the number of son of each beam portion then being different.
- insulating sleeves 40 protecting the son of each beam portion FU1, FU2; FV1, FV2; FW1, FW2 extend between the outputs Ui, Vj, Wk of two successive coils 28 belonging to the same phase U, V, W.
- each sheath 40 protects a different number of wires. This number of wires decreases the number of wires in parallel in a coil between two adjacent sheaths 40 when moving from the separation zone SU, SV, SW to the sheath of the corresponding beam portion furthest from the separation zone SU, SV, SW.
- This characteristic is related to the connection configuration of the wires of the beam portions FU1, FU2; FV1, FV2; FW1, FW2 previously described.
- the angular pitch PA between the coils being constant in the same phase as well as from one phase to the other, the insulating sheaths 40 have a length substantially identical to each other.
- insulating sheaths 40 are used to protect the wires of the two beam portions FU1, FU2, ie two sheaths 40 per beam portion FU1, FU2.
- the insulating sheath 40 closest to the separation zone SU protects two wires while the insulating sheath 40 furthest from the separation zone SU protects a single wire.
- these four sheaths 40 visible in FIG. 7 substantially traverse the same circumferential path so that they all have a substantially identical length. It is the same for the insulating sleeves 40 protecting the son of the beam portions FV1, FV2; FW1, FW2 corresponding to the other phases V, W.
- the ends of the beams FU, FV, FW are sheathed by tubes 70 visible in Figures 2, 5a, and 5b able to contract around son by heating.
- protruding ends connected to a connector 71 are designed to be connected to an inverter, as described for example in document EP0831580, to which reference will be made for more details.
- the insulating element 20 carrying the anchoring systems 35 also preferably comprises holding systems 45 of the insulating sheaths 40. These systems 45 are interposed between two anchoring systems. 35 successive.
- each holding system 45 comprises a base 46 of axial extension and a tongue 47 projecting from a face of the base 46 facing the outside of the support 23.
- the rotor of the electric motor of the compressor (not shown) is permanent magnets positioned inside the rotor.
- the magnets may be of radial orientation.
- the rotor comprises a body in the form of a pack of sheets provided with housings, which may be of radial orientation for housing the magnets.
- the rotor body may comprise a central core, and teeth extending radially relative to the core. These teeth each comprise two flanges extending circumferentially on either side of the teeth. Permanent magnets are positioned inside housings delimited each by two faces facing each other of two adjacent teeth, an outer face of the rotor core, and the edges of the teeth.
- the positioning of recesses 50 formed in the outer periphery of the body 1 1 of the stator as well as in the insulating elements 20 corresponds to the angular positioning of openings formed in flanges. closure of the machine ensuring the passage of the tie rods, said flanges belonging to a housing carrying the body of the stator.
- this housing comprises, in known manner, three parts, namely an intermediate portion carrying the annular wall 12 of the stator 10 of the electric machine, such as a refrigerant compressor motor vehicle air conditioner, and two flanges arranged of on both sides of the middle part.
- One of the hollow-shaped flanges carries the "scroll" of the compressor, while the other flange carries the control electronics of the compressor.
- the tie rods for example in the form of screws, connect the flanges together by passing through the recesses 50 of the stator, for example, mounted to hooping via its annular wall 12 in the intermediate portion sandwiched between the flanges.
- the intermediate portion comprises hooping sectors for the hooping mounting of the wall 12 of the stator 10. Between two consecutive hooping sectors there are passages. These passages are opposite the recesses 50. The outer periphery of the wall 12 is in hooping contact with the inner periphery of the hooping sectors. The passages are opposite the recesses 50 so that the tie rods pass through the passages without interfering with the intermediate part of the housing.
- the intermediate part may be filled with coolant. This fluid can easily cross the spaces between the coils 28 and the insulating sheaths, given the reduced radial space requirement of the insulating sheaths 40 on the end face of the stator 10.
- the rotor sheet package may be integral with a tree itself secured to the mobile scroll -movable scroll in English- the compressor.
- the compressor is devoid of pulley and the control electronics of the electric motor is integral with a flange being integrated in the compressor.
- individual insulating supports are used to be threaded around a tooth 13 of the stator 10 via an opening in each insulating support.
- the coils 28 are wound around the insulating supports if necessary before positioning the individual insulating supports around the teeth 13 of the stator 10.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016509526A JP2016523070A (ja) | 2013-04-23 | 2014-04-22 | コイルに接続された配線の絶縁に最適な長さを有する外装が設けられた電気機械のステータ、および対応する電気機械 |
CN201490000609.2U CN205377470U (zh) | 2013-04-23 | 2014-04-22 | 设置有具有用于连接至线圈的电线的绝缘优化长度的护套的电机的定子,以及相应电机 |
US14/777,290 US20160036280A1 (en) | 2013-04-23 | 2014-04-22 | Stator of an electrical machine provided with sheaths with an optimised length for insulation of the wires which are connected to the coils, and corresponding electrical machine |
EP14726691.0A EP2989712A2 (fr) | 2013-04-23 | 2014-04-22 | Stator de machine electrique muni de gaines d'isolation des fils relies aux bobines ayant une longueur optimisee et machine electrique correspondante |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1353682A FR3004866B1 (fr) | 2013-04-23 | 2013-04-23 | Stator de machine electrique muni de gaines d'isolation des fils relies aux bobines ayant une longueur optimisee et machine electrique correspondante |
FR1353682 | 2013-04-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014174201A2 true WO2014174201A2 (fr) | 2014-10-30 |
WO2014174201A3 WO2014174201A3 (fr) | 2015-08-06 |
Family
ID=48782425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2014/050969 WO2014174201A2 (fr) | 2013-04-23 | 2014-04-22 | Stator de machine electrique muni de gaines d'isolation des fils relies aux bobines ayant une longueur optimisee et machine electrique correspondante |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160036280A1 (fr) |
EP (1) | EP2989712A2 (fr) |
JP (1) | JP2016523070A (fr) |
CN (1) | CN205377470U (fr) |
FR (1) | FR3004866B1 (fr) |
WO (1) | WO2014174201A2 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2985354T3 (pl) * | 2014-11-10 | 2017-04-28 | Heraeus Deutschland Gmbh & Co Kg | Sposób usuwania metalu szlachetnego z kształtek katalizatora zawierających metal szlachetny |
JP6613986B2 (ja) * | 2016-03-25 | 2019-12-04 | 株式会社豊田自動織機 | 電動式流体機械 |
CN107302270A (zh) | 2016-04-15 | 2017-10-27 | 舍弗勒技术股份两合公司 | 发电机定子和发电机 |
FR3056842B1 (fr) * | 2016-09-28 | 2018-10-12 | Valeo Equipements Electriques Moteur | Machine electrique tournante munie d'un interconnecteur a configuration amelioree |
JP6729651B2 (ja) * | 2018-09-18 | 2020-07-22 | 株式会社富士通ゼネラル | モータ及び圧縮機 |
CN112787449B (zh) * | 2019-11-04 | 2022-06-21 | 上海海立电器有限公司 | 定子组件和永磁同步电机 |
EP3907857B1 (fr) * | 2020-05-06 | 2024-03-13 | ABB Schweiz AG | Machine électrique |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4287446A (en) * | 1979-06-27 | 1981-09-01 | Amp Incorporated | Stator for stepper motor |
JP3559233B2 (ja) * | 2000-09-12 | 2004-08-25 | 三菱電機株式会社 | 回転電機の固定子 |
JP3672846B2 (ja) * | 2001-05-29 | 2005-07-20 | 三菱電機株式会社 | 車両用交流発電機 |
JP2007129847A (ja) * | 2005-11-04 | 2007-05-24 | Denso Corp | 電動機およびそれを用いた燃料ポンプ |
JP5019558B2 (ja) * | 2006-03-22 | 2012-09-05 | 古河電気工業株式会社 | 集中配電部品 |
JP2009235582A (ja) * | 2006-07-19 | 2009-10-15 | Ni Teijin Shoji Co Ltd | モーター用銅線保護スリーブ |
DE102010042677A1 (de) * | 2010-08-17 | 2012-02-23 | Robert Bosch Gmbh | Elektrische Maschine |
US8847457B2 (en) * | 2011-04-22 | 2014-09-30 | Honda Motor Co., Ltd. | Rotary electric machine and method of manufacturing same |
-
2013
- 2013-04-23 FR FR1353682A patent/FR3004866B1/fr active Active
-
2014
- 2014-04-22 JP JP2016509526A patent/JP2016523070A/ja active Pending
- 2014-04-22 WO PCT/FR2014/050969 patent/WO2014174201A2/fr active Application Filing
- 2014-04-22 EP EP14726691.0A patent/EP2989712A2/fr not_active Withdrawn
- 2014-04-22 US US14/777,290 patent/US20160036280A1/en not_active Abandoned
- 2014-04-22 CN CN201490000609.2U patent/CN205377470U/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR3004866B1 (fr) | 2015-05-22 |
WO2014174201A3 (fr) | 2015-08-06 |
JP2016523070A (ja) | 2016-08-04 |
EP2989712A2 (fr) | 2016-03-02 |
FR3004866A1 (fr) | 2014-10-24 |
US20160036280A1 (en) | 2016-02-04 |
CN205377470U (zh) | 2016-07-06 |
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