US20130243620A1 - Dual outlet pump - Google Patents

Dual outlet pump Download PDF

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Publication number
US20130243620A1
US20130243620A1 US13/876,538 US201113876538A US2013243620A1 US 20130243620 A1 US20130243620 A1 US 20130243620A1 US 201113876538 A US201113876538 A US 201113876538A US 2013243620 A1 US2013243620 A1 US 2013243620A1
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US
United States
Prior art keywords
outlet
pump
pressure
fluid
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/876,538
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English (en)
Inventor
Jaroslaw Lutoslawski
Matthew Williamson
Andrzej Kowalski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Powertrain Inc
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Magna Powertrain Inc
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 Magna Powertrain Inc filed Critical Magna Powertrain Inc
Priority to US13/876,538 priority Critical patent/US20130243620A1/en
Assigned to MAGNA POWERTRAIN INC. reassignment MAGNA POWERTRAIN INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LUTOSLAWSKI, JAROSLAW, KOWALSKI, ANDREZEJ, WILLIAMSON, MATTHEW
Publication of US20130243620A1 publication Critical patent/US20130243620A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • F16H61/0025—Supply of control fluid; Pumps therefore

Definitions

  • the present disclosure generally relates to fluid pumps. More particularly, a pump having a first outlet providing a high fluid flow at low pressure and a second outlet providing low fluid flow at high pressure is described.
  • a first fluid pump provides a high fluid flow at a relatively low pressure to cool and lubricate the components of the automatic transmission.
  • a second transmission fluid pump is configured to provide a high output pressure at a relatively low flow rate to control transmission operation.
  • the high pressurized fluid is selectively placed in communication with one or more chambers such that a force may be applied to various clutches, brakes or other actuators to control transmission operation.
  • the separate pumps may have functioned satisfactorily in the past, it may be desirable to provide a pump including dual outlets providing the functions of both pumps in a single unit having a reduced size, cost and weight when compared to previous systems.
  • a dual outlet pressure pump includes a housing having first and second inlets as well as first and second outlets.
  • a plurality of vanes are driven by a rotor.
  • An asymmetric rotor cavity includes a first surface engaged by the vanes shaped to at least partially define a plurality of low pressure, high volume chambers.
  • the cavity also includes a second surface engaged by the vanes shaped to at least partially define a plurality of high pressure, low volume chambers. Rotation of the rotor and vanes substantially simultaneously pumps a high volume of low pressure fluid between the first inlet and the first outlet and a low volume of high pressure fluid between the second inlet and the second outlet.
  • a fluid pump includes a housing having an inlet, a first outlet and a second outlet.
  • a plurality of vanes are driven by a rotor rotatably supported in the housing.
  • the vanes define pressure chambers having different volumes.
  • the first and second outlets receive fluid from the inlet and are associated with chambers having a decreasing volume.
  • the second outlet supplies fluid at a higher pressure and a lower flow rate than the first outlet.
  • FIG. 1 is a perspective view of a dual outlet pump constructed in accordance with the teachings of the present disclosure
  • FIG. 2 is a partial exploded perspective view of the pump shown in FIG. 1 ;
  • FIG. 3 is a fragmentary view of a portion of the dual outlet pump
  • FIG. 4 is a perspective view of a front plate of the dual outlet pump
  • FIG. 5 is a rear view of the dual outlet pump
  • FIGS. 6-9 are cross-sectional side views taken at different planes
  • FIG. 10 is a cross-sectional side view of an alternate dual outlet pump
  • FIG. 11 is a cross-sectional view taken through the pump depicted in FIG. 10 ;
  • FIG. 12 is another cross-sectional view of the dual outlet pump taken at a different plane
  • FIG. 13 is another cross-sectional view of the dual outlet pump taken at a different plane
  • FIG. 14 is a cross-sectional side view of the dual outlet pump
  • FIG. 15 is a perspective view of a rear plate
  • FIG. 16 is another perspective view of the rear plate
  • FIG. 17 is a perspective view of a front plate
  • FIG. 18 is another perspective view of the front plate
  • FIG. 19 is a perspective view of a mid-plate
  • FIG. 20 is a fragmentary perspective view of another alternate dual outlet pump.
  • FIG. 21 is a cross-sectional view of the dual outlet pump and motor assembly.
  • FIGS. 1-6 relate to a dual outlet pump 10 including a front plate 20 , a mid-plate 22 and a rear plate 24 fixed to one another by a plurality of threaded fasteners 26 .
  • fastener 26 is configured as a socket head shoulder bolt to assure a predetermined spacing between front plate 20 and rear plate 24 .
  • a driveshaft 14 is fixed for rotation with a rotor 28 that rotates relative to front plate 20 , mid-plate 22 and rear plate 24 .
  • Front plate 20 , mid-plate 22 and rear plate 24 are adapted to be positioned within a housing (not shown) having a cylindrical cavity.
  • Rotation of driveshaft 14 causes a pumping of fluid from an inlet port 15 to a first outlet port 16 , as well as a second outlet port 18 .
  • First outlet port 16 provides a high flow, low pressure output.
  • Second outlet port 18 provides a low flow, high pressure output.
  • Pump 10 also includes a plurality of radially moveable vanes 32 positioned within a plurality of radially extending slots 34 formed in rotor 28 .
  • a distal surface 36 of each vane 32 is in contact with an inner surface 38 of mid-plate 22 .
  • Inner surface 38 is substantially cylindrically shaped having its center positioned at an eccentric location relative to a rotor axis of rotation 42 .
  • Shaft 14 also rotates along axis of rotation 42 .
  • the eccentric relationship between surface 38 and axis of rotation 42 defines a plurality of sequentially increasing and then decreasing chambers 46 between adjacent vanes 32 .
  • First outlet port 16 is shaped and positioned to be in fluid communication with chambers 46 having a relatively large volume but decreasing in size such that a relatively high flow rate of pressurized fluid exits first outlet port 16 .
  • high pressure second outlet port 18 is positioned in communication with chambers 46 where a very minimal clearance exists between surface 38 of mid-plate 22 and an outer surface 50 of rotor 28 .
  • the size of pressure chambers 46 at this circumferential location is relatively small thereby producing a relatively high pressure, low flow through second outlet port 18 .
  • a plurality of circumferentially spaced apart passageways 52 are provided in fluid communication with a proximal face 54 of each vane 32 . Passageways 52 are provided with pressurized fluid from one of low pressure outlet port 16 or high pressure outlet port 18 .
  • Rear plate 24 includes a first groove 58 in communication with some of the passageways 52 and low pressure outlet port 16 .
  • a passageway 59 interconnects groove 58 and first outlet port 16 .
  • a second circumferentially extending groove 60 is in fluid communication with the remaining passageways 52 and high pressure outlet port 18 .
  • a passageway 61 interconnects groove 60 and high pressure outlet port 18 .
  • Front plate 20 also includes similar first and second grooves 64 , 66 .
  • the dual outlet pump 10 of the present disclosure is unbalanced due to a provision of high pressure and low pressure outlet ports.
  • the circumferential extent of grooves 58 , 64 is substantially greater than the circumferential extent of grooves 60 , 66 .
  • Front plate 20 includes an inlet port groove 68 in fluid communication with inlet port 15 and several chambers 46 having sequentially increasing volumes.
  • a similar inlet port groove 69 is provided on rear plate 24 .
  • a low pressure outlet groove 70 circumferentially extends along a mating face 72 in communication with several chambers 46 having subsequently decreasing volumes.
  • Rear plate 24 also includes a corresponding low pressure outlet groove 73 .
  • a passageway 76 extends through front plate 20 exiting the side of the plate to provide low pressure fluid between a first o-ring 80 and a second o-ring 82 .
  • a third o-ring 84 is positioned on rear plate 24 . O-rings 80 , 82 , 84 sealingly engage an inner cylindrical of the housing not depicted in the drawings. Low pressure fluid is provided between seals 80 , 82 to enhance their sealing properties.
  • Front plate 20 also includes a high pressure outlet aperture 85 in fluid communication with second groove 66 .
  • Mid-plate 22 includes a notch 90 for providing high pressure fluid in communication with second outlet port 18 .
  • FIGS. 10-19 depict a second dual outlet pump identified at reference numeral 200 .
  • Pump 200 includes a housing 202 , a front plate 204 , a mid-plate 206 , and a rear plate 208 .
  • Fasteners 210 interconnect front plate 204 , mid-plate 206 and rear plate 208 .
  • Fasteners 207 fix a flange 209 of front plate 204 to housing 202 .
  • a shaft 212 is fixed for rotation with a rotor 214 .
  • a plurality of radially moveable vanes 216 are positioned within slots 218 formed in rotor 214 .
  • Pressure chambers 215 are defined between adjacent vanes 216 , rotor 214 and mid-plate 206 .
  • Driveshaft 212 rotates about an axis of rotation 217 .
  • Bearings 219 , 220 rotatably support driveshaft 212 .
  • a lip seal 221 is positioned within front plate 204 and sealingly engages drives
  • Housing 202 includes a low pressure inlet 222 , a high pressure inlet 224 , a low pressure outlet 226 and a high pressure outlet 228 .
  • Mid-plate 206 includes an asymmetrical cavity 232 providing pump 200 with its dual output pressure characteristic.
  • a first portion 236 of asymmetrical cavity 232 is defined by a first surface 238 and is spaced from an outer surface 240 of rotor 214 a maximum distance.
  • the volumes defined by pressurized chambers located between adjacent vanes 216 and first surface 238 are relatively large when compared to other pressurized chambers about the circumference of rotor 214 .
  • a second surface 246 defines a second portion 248 of asymmetric cavity 232 .
  • Second surface 246 is positioned much closer to outer surface 240 of rotor 214 than first surface 238 .
  • first surface 238 and second surface 246 are curved surfaces such that successive pressurized chambers of increasing volume and then decreasing volume are defined when the rotation direction of rotor 214 is taken into account.
  • high pressure inlet 224 is associated with the increasing volume chambers at least partially defined by surface 246 .
  • a high pressure inlet port 249 is formed in front plate 204 .
  • a high pressure inlet port 250 is formed in rear plate 208 .
  • the high pressure inlet ports 249 , 250 are aligned with a high pressure inlet aperture 251 extending through mid-plate 206 .
  • High pressure outlet 228 is in fluid communication with the pressure chambers 215 having sequentially decreasing volumes at least partially defined by surface 246 . Pressurized fluid exits pressure chambers 215 through high pressure outlet ports 253 , 255 in front plate 204 and rear plate 208 , respectively.
  • a high pressure outlet aperture 257 interconnects high pressure outlet ports 253 , 255 .
  • Low pressure inlet 222 is in fluid communication with a cavity 252 formed between an inner surface 254 of housing 202 and an outer surface 258 of mid-plate 206 .
  • a chamfer 260 is formed on mid-plate 206 to provide a low pressure inlet passageway 261 for fluid passing through low pressure inlet 222 to enter the chambers at least partially defined by first surface 238 .
  • Low pressure inlet ports 262 , 264 are formed in front plate 204 and rear plate 208 , respectively. Low pressure inlet ports 262 , 264 provide a reservoir and passageway for low pressure fluid to enter the chambers having sequentially increasing volume associated with first surface 238 .
  • a low pressure outlet aperture 276 extends through mid-plate 206 and interconnects low pressure outlet ports 270 , 272 .
  • the high pressure fluid path remains separated from the low pressure fluid path.
  • Rotor 214 includes a plurality of passageways 292 positioned at the ends of slots 218 .
  • Front plate 204 includes a first circumferentially extending slot 294 in communication with the low pressure fluid and an opposing circumferentially extending slot 296 in receipt of high pressure fluid.
  • rear plate 208 includes a first slot 300 in receipt of low pressure fluid and a second slot 302 in receipt of high pressure fluid. The size and shape of each of the slots corresponds to the positions of passageways 292 to apply pressurized fluid to a back face of vanes 216 to maintain engagement between each vane and first surface 238 and second surface 246 .
  • FIG. 20 depicts an alternate dual outlet pump 320 .
  • Pump 320 is substantially similar to pump 200 . As such, like elements will retain their previously introduced reference numerals including a lower “a” suffix.
  • FIG. 20 represents a possible orientation of mid-plate 206 a having low pressure inlet passageway 261 a positioned on an opposite side of the pump as low pressure inlet 222 a. It is contemplated that the pump 320 is mounted vertically as depicted in FIG. 20 .
  • the cavity 252 a between outer surface 258 a and inner surface 254 a may become filled with fluid due to the position of pump 320 within a reservoir or some other fluid supply mechanism.
  • the fluid to be pumped continues to fill cavity 252 a until it reaches and enters low pressure inlet passageway 261 a.
  • a particular customer's packaging requirements regarding the location of plumbing inlets and outlets may be met using this concept.
  • FIG. 21 represents an exemplary motor and pump assembly 350 including a motor 352 driving a shaft 354 .
  • Shaft 354 is a monolithic, one-piece member extending through a mounting plate 356 .
  • Shaft 354 is fixed for rotation with a rotor 358 of a pump 360 .
  • Pump 360 may be configured as pump 10 , pump 200 or pump 320 without departing from the scope of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US13/876,538 2010-10-05 2011-10-05 Dual outlet pump Abandoned US20130243620A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/876,538 US20130243620A1 (en) 2010-10-05 2011-10-05 Dual outlet pump

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38977610P 2010-10-05 2010-10-05
US13/876,538 US20130243620A1 (en) 2010-10-05 2011-10-05 Dual outlet pump
PCT/CA2011/001132 WO2012045164A1 (fr) 2010-10-05 2011-10-05 Pompe à sortie double

Publications (1)

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US20130243620A1 true US20130243620A1 (en) 2013-09-19

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Application Number Title Priority Date Filing Date
US13/876,538 Abandoned US20130243620A1 (en) 2010-10-05 2011-10-05 Dual outlet pump

Country Status (6)

Country Link
US (1) US20130243620A1 (fr)
EP (1) EP2625428A4 (fr)
KR (1) KR101698914B1 (fr)
CN (1) CN103228918B (fr)
BR (1) BR112013008195A2 (fr)
WO (1) WO2012045164A1 (fr)

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US10323635B2 (en) 2015-10-30 2019-06-18 Showa Corporation Vane pump device and hydraulic apparatus
US11885331B2 (en) 2020-02-27 2024-01-30 Fte Automotive Gmbh Pump unit for a drive train of a motor vehicle

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DE102012206520A1 (de) * 2012-04-20 2013-10-24 Robert Bosch Gmbh Flügelzellenmaschine mit axialen und radialen Einlass- bzw. Auslassöffnungen
JP6574363B2 (ja) * 2015-09-18 2019-09-11 Ｋｙｂ株式会社 カートリッジ式ベーンポンプ
CN105840802B (zh) * 2016-06-17 2018-06-19 重庆青山工业有限责任公司 一种汽车变速器输入轴组件润滑系统
CN106017199B (zh) * 2016-07-27 2017-11-17 广州市昕恒泵业制造有限公司 用于管壳式换热器的泵
KR101879663B1 (ko) * 2017-04-19 2018-07-31 영신정공 주식회사 단흡입 양토출 전동 베인 펌프
DE102020105172A1 (de) 2020-02-27 2021-09-02 Fte Automotive Gmbh Drehschieberpumpe

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KR101698914B1 (ko) 2017-01-23
KR20140033307A (ko) 2014-03-18
BR112013008195A2 (pt) 2019-09-24
CN103228918B (zh) 2016-04-06
WO2012045164A1 (fr) 2012-04-12
CN103228918A (zh) 2013-07-31
EP2625428A1 (fr) 2013-08-14
EP2625428A4 (fr) 2017-10-18

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