EP2853748A1 - Pompe à vide - Google Patents

Pompe à vide Download PDF

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Publication number
EP2853748A1
EP2853748A1 EP13793663.9A EP13793663A EP2853748A1 EP 2853748 A1 EP2853748 A1 EP 2853748A1 EP 13793663 A EP13793663 A EP 13793663A EP 2853748 A1 EP2853748 A1 EP 2853748A1
Authority
EP
European Patent Office
Prior art keywords
motor
cooling passage
pump
exhaust port
housing
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.)
Withdrawn
Application number
EP13793663.9A
Other languages
German (de)
English (en)
Other versions
EP2853748A4 (fr
Inventor
Nao HORIKOSHI
Kouji NAKAFUKASAKO
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.)
Taiho Kogyo Co Ltd
Original Assignee
Taiho Kogyo Co Ltd
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 Taiho Kogyo Co Ltd filed Critical Taiho Kogyo Co Ltd
Publication of EP2853748A1 publication Critical patent/EP2853748A1/fr
Publication of EP2853748A4 publication Critical patent/EP2853748A4/fr
Withdrawn legal-status Critical Current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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, 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 group F04C18/08 or F04C18/22 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/047—Cooling of electronic devices installed inside the pump housing, e.g. inverters
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • 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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum

Definitions

  • the present invention relates to a vacuum pump and more specifically to a vacuum pump including a pump means for compressing gas inhaled from an intake port and discharging the compressed gas from an exhaust port and a motor for driving the pump means.
  • a vacuum pump including a pump means for compressing gas inhaled from an intake port and discharging the compressed gas from an exhaust port and a motor for driving the pump means has been known as such a vacuum pump (refer to Patent Literature 1).
  • the motor drives the pump means, thereby inhaling gas from the intake port and supply the negative pressure to the booster while discharging the inhaled gas from the exhaust port.
  • Patent Literature 1 Japanese Patent Laid-Open No. 4-187891
  • the vacuum pump used for the brake is attached into an engine room of an automobile, so that the vacuum pump is exposed to a high temperature environment with temperature in the engine room and temperature generated by the motor itself.
  • the conventional vacuum pump has a problem in that it is needed to use a motor operable even in a high temperature environment, as a vacuum pump.
  • the present invention provides a vacuum pump capable of maintaining not only the performance of a motor but also the suction performance of the pump means by cooling the motor.
  • a vacuum pump includes a pump means for compressing gas inhaled from an intake port and discharging the compressed gas from an exhaust port and a motor for driving the pump means, in which a housing for housing a motor casing of the motor is provided to form a cooling passage between the outer surface of the motor casing and the inner surface of the housing and the gas discharged from the exhaust port of the pump means is circulated into the cooling passage to cool the motor.
  • the gas discharged from the exhaust port is caused to circulate through a cooling passage formed between a motor casing and a housing of the motor to cool the motor, which enables maintaining not only the performance of the motor but also the suction performance of the pump means.
  • Figure 1 shows a vacuum pump 1 for supplying a negative pressure to a brake booster provided in an engine room of an automobile.
  • the vacuum pump 1 includes a pump means 2 for compressing inhaled gas and discharging the compressed gas, a motor 3 for driving the pump means 2, and a housing 4 for holding the motor 3.
  • a pump means 2 for compressing inhaled gas and discharging the compressed gas
  • a motor 3 for driving the pump means 2
  • a housing 4 for holding the motor 3.
  • the pump means 2 a so-called vane pump is used
  • the motor 3 a brushless motor is used.
  • the pump means 2 includes: a pump casing 11, on the upper surface of which a substantially circular pump chamber 11a is formed and to the lower surface of which the motor 3 is fixed; a cover 12 which is provided on the upper surface of the pump casing 11 and closes the pump chamber 11a; a rotor 13 which rotates inside the pump chamber 11a by the motor 3; a plurality of vanes 14 sectioning the pump chamber 11a into a plurality of spaces according to the rotation of the rotor 13; and a silencer 15 for covering the upper surface of the cover 12.
  • the pump casing 11 is formed of a substantially rectangular parallelepiped member.
  • An intake port 11b for sucking gas is formed in the pump chamber 11a formed on the upper surface of the pump casing 11, and an exhaust port 12a for discharging the compressed gas is formed on the cover 12 for closing the pump chamber 11a.
  • the intake port 11b communicates with an inhalation port 16 provided on the side face of the pump casing 11 and connected with a booster via a pipe (not shown).
  • the exhaust port 12a is formed by drilling the cover 12 and configured to exhaust the compressed gas upward from the top portion of the pump casing 11 and the cover 12. As shown in Figure 2 , the exhaust port 12a is formed on the substantially opposite side of the intake port 11b with the rotor 13 being therebetween.
  • the center of the rotor 13 is provided at a position eccentric to the center of the pump chamber 11a. As shown in Figure 1 , the rotor 13 is connected with a drive shaft 21 of the motor 3 via a connection member and configured to rotate counterclockwise, as shown in Figure 2 .
  • slits 13a are formed in the rotor 13 at equally spaced intervals and at an angle tilted to a diameter direction thereof and the vanes 14 are retractably provided in the respective slits 13a.
  • the leading edge of the vane 14 keeps in contact with the inner peripheral surface of the pump chamber 11a while the vane 14 projects from and retracts into the slit 13a, thereby to section the pump chamber 11a into a plurality of spaces.
  • the silencer 15 is a box-shaped member which is bottomed and whose lower end portion is opened.
  • the silencer 15 is equipped with a flange 15a around the opening.
  • the flange 15a is in close contact with a seal member provided on the upper surface of the cover 12 of the pump casing 11 so that the silencer 15 defines a damper space Sd sectioned off from the outside between it and the cover 12.
  • bolt holes 11c are drilled at four corners of the pump casing 11. Bolts are inserted into bolt holes which are formed by drilling at the same position of the cover 12 and the silencer 15 so as to penetrate the bolt holes, thereby to fix the silencer 15 to the pump casing 11 along with the cover 12.
  • the upper end of the through hole 17 is opened to the damper space Sd defined by the silencer 15.
  • the exhaust port 12a and the through hole 17 formed in the cover 12 are communicated with each other via the damper space Sd and the gas exhausted from the exhaust port 12a passes through the damper space Sd and the through hole 17 and is discharged from the lower surface side of the pump casing 11.
  • the motor 3 is a so-called 4-pole and 6-slot brushless motor and includes the drive shaft 21 connected to the rotor 13 of the pump means 2, a cylindrical stator core 22 serving as a motor casing, six pairs of coils 23 provided inside the stator cores 22 and arranged so as to surround the drive shaft 21, and a board 24 which is provided outside the stator cores 22 and controls the coils 23.
  • the housing 4 forms a part of the motor 3 and includes a first member 25 which is in close contact with the pump casing 11 to pivotally support the front end side of the drive shaft 21, a second member 26 which is provided at the lower portion of the first member 25 to hold the stator core 22, a third member 27 which is provided at the lower portion of the second member 26 to pivotally support the back end side of the drive shaft 21, and a fourth member 28 which is provided at the lower surface of the third member 27 to house the board 24.
  • the combination of the first to third members 25 to 27 forms a space therebetween.
  • the fourth member 28 is a box-shaped member which is bottomed and whose upper surface is opened, and a space is formed between the fourth member 28 and the third member 27.
  • Bolt holes are formed at four corners of the first to fourth members 25 to 28 at the same position as the bolt holes 11c formed in the pump casing 11.
  • the first to fourth members 25 to 28 are fixed to the lower surface of the pump means 2 by bolts along with the motor 3.
  • the drive shaft 21 is formed of a small diameter portion 21a protruding upward and downward and a large diameter portion 21b formed adjacent to the position of the coil 23 shown in Figure 1 .
  • a bearing 29 for pivotally supporting the small diameter portion 21a is provided on the first and third members 25 and 27 of the housing 4.
  • Four permanent magnets 30 arranged to make their magnetic poles different from one another are fixed to the outer peripheral surfaces of the large diameter portion 21b.
  • the stator core 22 is cylindrical and held between the first member 25 and the third members 27 of the housing 4 at the upper and lower ends thereof as shown in Figure 1 .
  • the inside of the stator core 22, i.e., the space where the drive shaft 21 is provided, is sectioned off from the outside.
  • protrusions 22a serving as a stator inside the stator core 22 and a slight space is formed between the outer peripheral surface of the drive shaft 21 and the inner peripheral surface of the protrusions 22a.
  • the coils 23 are wound around the respective protrusions 22a.
  • the coils 23 are connected to the board 24 by wires (not shown).
  • the coils 23 generate a magnetic field by the control of the board 24.
  • the center of the stator core 22 slightly deviates from the housing 4 to the left shown in the Figures. Only the outer peripheral surface on the right side in the figure of the stator core 22 is exposed inside the housing 4, but the other portions are in close contact with the second member 26 to be held so that the stator core 22 does not move.
  • the space formed between the outer surface of the stator core 22 and the inner surface of the housing 4 forms a first cooling passage Sc1, which constitutes a cooling passage Sc.
  • the first cooling passage Sc1 communicates with the through hole 17 formed in the pump casing 11 of the pump means 2 as shown in Figures 1 and 3 .
  • a communication port 31 shown in a broken line is formed in the bottom surface of the second member 26 and the third member 27 of the housing 4 and communicates with a second cooling passage Sc2, which constitutes the cooling passage Sc and formed by the third member 27 and the fourth members 28.
  • the communication port 31 is formed at the lower side shown in the figure while there is a communication position of the through hole 17 shown on the upper side in the figure. Since the communication port 31 is provided on the side substantially opposite to the through hole 17 in the first cooling passage Sc1, the gas circulating inside the first cooling passage Sc1 circulates along the outer surface of the stator core 22.
  • an exhaust port 28a is provided at the side face of the fourth member 28 and exhausts the gas circulating through the second cooling passage Sc2 from the exhaust port 28a.
  • the diameter of the exhaust port 12a formed in the pump means 2 is smaller than other diameters, or those of the through hole 17, the communication port 31, and the exhaust port 28a formed in the housing 4.
  • the rotor 13 connected to the drive shaft 21 rotates counterclockwise in the pump chamber 11a formed in the pump casing 11 as shown in Figure 1 to move the vane 14 with the pump chamber 11a sectioned to a plurality of spaces.
  • the gas exhausted from the exhaust port 28a flows into the damper space Sd defined by the silencer 15 to decrease noise generated by the vacuum pump 1.
  • the gas circulated through the damper space Sd circulates through the through hole 17 formed by the pump casing 11 and the cover 17, thereafter, flows into the first cooling passage Sc1 of the cooling passage Sc formed in the housing 4.
  • the coil 23 of the motor 3 generates heat with current always applied.
  • the transfer of heat increases the temperature of the stator core 22 around which the coil 23 is wound and on which the protrusion 22a is formed.
  • the gas flowing into the first cooling passage Sc1 from the through hole 17 circulates toward the communication port 31 formed in the third member 27 and, at this point, the gas circulates along the surface of the stator core 22, so that the coil 23 held by the stator core 22 and the inside of stator core 22 is cooled.
  • the gas circulated through the first cooling passage Sc1 is exhausted to the second cooling passage Sc2 through the communication port 31. Also at this point, since the exhaust port 12a is smaller in diameter than the communication port 31, an exhaust resistance occurring when the gas in the first cooling passage Sc1 flows into the communication port 31 is smaller than the exhaust resistance at the exhaust port 12a.
  • the board 24 is arranged in front of the communication port 31, so that the gas flowing through the communication port 31 is injected onto the board 24 to effectively cool the board 24.
  • the gas is discharged from the exhaust port 28a which is formed in the fourth member 28 and in a position remote from the communication port 31.
  • the exhaust port 12a is smaller in diameter than the exhaust port 28a, an exhaust resistance occurring when the gas in the first cooling passage Sc1 is discharged from the exhaust port 28a is smaller than the exhaust resistance at the exhaust port 12a.
  • the circulation of the gas discharged from the exhaust port 12a of the pump means 2 through the cooling passage Sc formed between the outer surface of the stator core 22 of the motor and the inner surface of the housing 5 allows the gas to cool the motor 3.
  • the motor 3 uses a brushless motor 3 which is equipped with the coil 23 generating heat at a position close to the inner peripheral surface of the stator core 22, which allows the heat-generating coil 23 to be effectively cooled.
  • the gas does not flow into the space on the side of the drive shaft 21 in the stator core 22 to preclude a foreign matter from entering a rotation portion of the drive shaft 21 inside the stator core 22, preventing the motor 22 from malfunctioning due to the foreign matter.
  • the board 24 is required for the brushless motor 3.
  • the board 24 is also provided in the cooling passage Sc and cooled by the gas, which enables resolving the problem of heat resistance of the board 24 that is a drawback of the brushless motor 3.
  • the cooling passage Sc includes the first cooling passage Sc1 for cooling the stator core 22 and the second cooling passage Sc2 for cooling the board 24 to allow the board 24 to be separately cooled in the second cooling passage Sc2.
  • Providing the silencer 15 forming the damper space Sd in the pump means 2 allows reducing noise accompanied by the exhaust of the gas.
  • Forming the through hole 17 in the pump casing 11 enables gas to be supplied to the cooling passage Sc without a new piping being provided outside.
  • the shape of the housing 5 can be modified to form the cooling passage surrounding the whole circumference of the stator core 22.
  • a groove may be formed in communication with the cooling passage Sc in the circumferential direction in a portion where the second member 26 is in contact with the stator core 22 to allow the gas to be circulated into the groove as the cooling passage Sc.
  • the fourth member 28 constituting the housing 4 may be provided between the first member 25 and the pump casing 11 and the board 24 may be housed inside the fourth member 28 as is the case with the above embodiment.
  • the gas flows into the second cooling passage Sc2 formed in the fourth member 28, and then the gas flows into the first cooling passage Sc1 via the communication port 31 formed between the first member 25 and the fourth member 28, for example, to allow the stator core 22 to be cooled.
  • the communication port 31 may be eliminated and an exhaust port may be formed in the second member 26 to allow only the stator core 22 to be cooled but the board 24 not to be cooled.
  • the motor 3 in the embodiment may be a so-called brushless motor, since the brushless motor as the motor 3 can also be cooled entirely by cooling the motor casing exposed inside the housing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP13793663.9A 2012-05-22 2013-05-16 Pompe à vide Withdrawn EP2853748A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012116489A JP2013241907A (ja) 2012-05-22 2012-05-22 バキュームポンプ
PCT/JP2013/063629 WO2013176028A1 (fr) 2012-05-22 2013-05-16 Pompe à vide

Publications (2)

Publication Number Publication Date
EP2853748A1 true EP2853748A1 (fr) 2015-04-01
EP2853748A4 EP2853748A4 (fr) 2016-06-15

Family

ID=49623722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13793663.9A Withdrawn EP2853748A4 (fr) 2012-05-22 2013-05-16 Pompe à vide

Country Status (3)

Country Link
EP (1) EP2853748A4 (fr)
JP (1) JP2013241907A (fr)
WO (1) WO2013176028A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017220141A1 (fr) * 2016-06-22 2017-12-28 Pierburg Pump Technology Gmbh Ensemble de pompes à vides de véhicule automobile

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Publication number Priority date Publication date Assignee Title
JP6236338B2 (ja) * 2014-03-18 2017-11-22 大豊工業株式会社 流体機械
DE102014207023B3 (de) 2014-04-11 2015-07-30 Magna Powertrain Hückeswagen GmbH Kraftfahrzeug-Vakuumpumpe mit Verklebung
KR101706113B1 (ko) * 2014-12-26 2017-02-14 영신정공 주식회사 소음 감소를 위한 전동 진공 펌프
JP2017040181A (ja) * 2015-08-18 2017-02-23 大豊工業株式会社 電動ポンプ
JP2017040182A (ja) * 2015-08-18 2017-02-23 大豊工業株式会社 電動ポンプ
KR101852384B1 (ko) * 2018-02-07 2018-06-04 서중 건식진공펌프용 냉각플레이트
JP7161918B2 (ja) * 2018-11-06 2022-10-27 株式会社ミクニ バキュームポンプ
JP2021076078A (ja) * 2019-11-11 2021-05-20 株式会社ミクニ ポンプ

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JPS6293496A (ja) * 1985-10-18 1987-04-28 Hitachi Ltd 回転ベ−ン式ポンプ
JP2639136B2 (ja) * 1989-11-02 1997-08-06 松下電器産業株式会社 スクロール圧縮機
JPH04187891A (ja) 1990-11-20 1992-07-06 Fuji Electric Co Ltd ベーンポンプの消音装置
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017220141A1 (fr) * 2016-06-22 2017-12-28 Pierburg Pump Technology Gmbh Ensemble de pompes à vides de véhicule automobile
US20190323506A1 (en) * 2016-06-22 2019-10-24 Pierburg Pump Technology Gmbh Motor vehicle vacuum pump arrangement
US10995757B2 (en) 2016-06-22 2021-05-04 Pierburg Pump Technology Gmbh Dry-running gas vane pump having a first fluid outlet and a second fluid outlet associated with the pump chamber with the second fluid outlet permanently open to atmosphere without being impeded
US11261869B2 (en) 2016-06-22 2022-03-01 Pierburg Pump Technology Gmbh Motor vehicle vacuum pump arrangement

Also Published As

Publication number Publication date
EP2853748A4 (fr) 2016-06-15
JP2013241907A (ja) 2013-12-05
WO2013176028A1 (fr) 2013-11-28

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