WO2010005139A1 - Aspirateur - Google Patents

Aspirateur Download PDF

Info

Publication number
WO2010005139A1
WO2010005139A1 PCT/KR2008/004849 KR2008004849W WO2010005139A1 WO 2010005139 A1 WO2010005139 A1 WO 2010005139A1 KR 2008004849 W KR2008004849 W KR 2008004849W WO 2010005139 A1 WO2010005139 A1 WO 2010005139A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust collection
compression member
collection container
vacuum cleaner
cleaner according
Prior art date
Application number
PCT/KR2008/004849
Other languages
English (en)
Inventor
Myung-Sig Yoo
Original Assignee
Lg Electronics 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
Priority claimed from KR1020080065806A external-priority patent/KR20100005769A/ko
Priority claimed from KR1020080065807A external-priority patent/KR101010416B1/ko
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Priority to EP08793362.8A priority Critical patent/EP2306878B1/fr
Priority to AU2008359307A priority patent/AU2008359307B2/en
Priority to ES08793362.8T priority patent/ES2610424T3/es
Publication of WO2010005139A1 publication Critical patent/WO2010005139A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/106—Dust removal
    • A47L9/108—Dust compression means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles

Definitions

  • the present disclosure relates to a vacuum cleaner.
  • a vacuum cleaner is an electrically powered cleaning device that sucks air containing dusts in a main body using suction generated by a suction motor and filters off the dusts in the main body.
  • the vacuum cleaner includes a suction nozzle for sucking air containing the dusts, a main body connected to the suction nozzle, and a dust collection unit for separating dusts from the air sucked through the suction nozzle and storing the dusts.
  • the dust collection unit includes a dust separating unit for separating the dusts from the air, and a dust collection container defining a dust storing portion in which the dusts separated in the dust separating unit are stored.
  • Embodiments provide a vacuum cleaner that is designed to increase a dust collection volume of a dust collection container by compressing dusts stored in a dust collection unit. [9] Embodiments also provide a vacuum cleaner that can minimize fly of dusts during an empty process of a dust collection container storing the dusts.
  • a vacuum cleaner includes a dust collection container for storing dusts, a compression member that is provided in the dust collection container to be capable of rotating in first and second directions, and a driving unit for rotating the compression member.
  • the compression member rotates in a first space corresponding to a first angle range and at least a portion of the dusts are stored in a second space corresponding to a second angle range (360 - the first angle range).
  • FIG. 1 is a perspective view of a vacuum cleaner according to a first embodiment
  • FIG. 2 is a perspective view of the vacuum cleaner of Fig. 1, when a dust collection unit is separated.
  • FIG. 3 is a perspective view of a dust collection unit depicted in Fig. 1.
  • Fig. 4 is a sectional view taken along line A-A of Fig. 3.
  • Fig. 5 is a sectional view taken along line B-B of Fig. 3.
  • Fig. 6 is a sectional view illustrating a cleaner main body on which a dust collection unit is mounted on the cleaner main body according to a second embodiment.
  • Fig. 7 is a vertical- sectional view of a dust collection unit according to a third embodiment.
  • Fig. 8 is a sectional view taken along line C-C of Fig. 7.
  • FIG. 9 is a horizontal-sectional view of a dust collection container according to a fourth embodiment.
  • FIG. 1 is a perspective view of a vacuum cleaner according to a first embodiment
  • Fig. 2 is a perspective view of the vacuum cleaner of Fig. 1, when a dust collection unit is separated
  • Fig. 3 is a perspective view of a dust collection unit depicted in Fig. 1.
  • a vacuum cleaner 10 of this embodiment includes a main body 100 in which a suction motor (not shown) for generating suction is provided and a dust separating unit for separating dusts from the air.
  • the vacuum cleaner 10 further includes a suction nozzle (not shown) for sucking air containing the dusts and an extension pipe (not shown) connecting the suction nozzle to the main body 100.
  • a main body inlet 110 through which air containing the dusts sucked through the suction nozzle 20 is introduced is formed on a front- lower end of the main body 100.
  • a main body outlet (not shown) through which the air from which the dusts are separated is discharged to an external side is formed on a side of the main body 100.
  • a main body handle unit 140 is formed on a top of the main body 100.
  • the dust separation unit includes a dust collection unit 200 having a first cyclone unit
  • the second cyclone unit 300 is provided in the main body 100.
  • the dust collection unit 200 is detachably mounted on a dust collection unit mounting portion 170 formed on a front portion of the main body 100.
  • a mounting/ dismounting lever 142 is provided on the handle unit 140 of the main body 100 and the dust collection unit 200 is provided with a hook step 256 that is selectively engaged with the mounting/dismounting lever 142.
  • the dust storing portion formed in the dust collection container 210 includes a first dust storing section in which the dusts separated by the first cyclone unit are stored and a second dust storing section in which the dusts separated by the second cyclone unit 300 are stored.
  • the dust collection unit 200 is designed to maximize a dust collection volume thereof. Therefore, the vacuum cleaner of this embodiment includes a compression structure for minimizing an amount of the dusts stored in the dust collection unit 200.
  • Fig. 4 is a sectional view taken along line A-A of Fig. 3
  • Fig. 5 is a sectional view taken along line B-B of Fig. 3.
  • the dust collection unit 200 of this embodiment includes a dust collection container 210 defining an exterior thereof, a first cyclone unit 230 that is selectively received in the dust collection container 210 to separate the dusts from the air, and a cover member 250 for selectively opening and closing the top of the dust collection container 210.
  • the dust collection container 210 has a lower portion that is formed in an approximately cylindrical shape and defines a dust storing portion for storing the dusts separated by the first and second cyclone units 230 and 300.
  • the dust storing portion includes a first dust storing section 214 in which the dusts separated in the first cyclone unit 230 are stored and a second dust storing section 216 in which the dusts separated in the second cyclone unit 300 are stored.
  • the dust collection container 210 includes a first wall 211 defining the first dust storing section 214 and a second wall 212 defining the second dust storing section 216 by associating with the first wall 211. That is, the second wall 212 is designed to enclose a portion of the outer side of the first wall 211.
  • the dust collection container 210 includes a first wall 211 defining the first dust storing section 214 and a second wall 212 defining the second dust storing section 216 by associating with the first wall 211. That is, the second wall 212 is designed to enclose a portion of the outer side of the first wall 211. Therefore, the second dust storing section 216 is formed at an outer side of the first dust storing section 214.
  • the dust collection container 210 has an opened top through which the dusts are discharged to empty the dust collection container 210 and the cover member 250 is de- tachably coupled to the top of the dust collection container 210.
  • the dust collection container 210 is coupled to a lower portion of the cover member
  • the first cyclone unit 230 is provided with a dust guide passage 232 along which the dusts separated from the air can be effectively discharged to the first dust storing unit 214.
  • the dust guide passage 232 guides the dusts in a tangential direction and directs the dusts downward.
  • an inlet 233 of the dust guide passage 232 is formed on a side surface of the first cyclone unit 230 and an outlet 234 is formed on a bottom of the first cyclone unit 230.
  • the cover member 250 is detachably coupled to the upper side of the dust collection container 210.
  • the cover member 250 simultaneously opens and closes the first and second dust storing sections 214 and 216.
  • An air outlet 251 through which the air from which the dusts are separated in the first cyclone unit 230 is discharged is formed on a bottom of the cover member 250.
  • a filter member 260 provided at an outer circumference with a plurality of through holes 262 each having a predetermined size is coupled to an undersurface of the cover member 250. Therefore, the air in the first cyclone unit 230 is discharged through the air outlet
  • a passage 253 for directing the air of the first cyclone unit 230 toward the first air outlet 252 is formed in the cover member 250. That is, the passage 253 functions to connect the air outlet 251 to the first air outlet 252.
  • a compression member 270 for compressing the dusts stored in the first dust storing section 214 is provided in the dust collection container 210, and a driving unit 400 for rotating the compression member 270 is coupled to an outer wall of the dust collection container 210.
  • the compression member 270 is coupled to the sidewall of the dust collection container 210.
  • a seating rib 281 on which a rotational shaft 274 defining a rotational axis of the compression member 270 is disposed is formed on an inner surface of the dust collection container 210.
  • the seating rib 281 extends from the sidewall of the dust collection container 210 toward a center of the dust collection container 210.
  • the seating rib 281 is formed in a roughly semicircular shape.
  • the rotational shaft 274 is provided with a seating groove 276 in which the seating rib 281 is inserted.
  • An axis of the rotational shaft 274 of the compression member 270 is inclined relative to the sidewall of the dust collection container 210. In more detail, the axis is perpendicular to the sidewall of the dust collection container 210.
  • the rotational shaft 274 of the compression member 270 is provided in the dust collection container 210 and disposed in a horizontal direction. Therefore, the compression member 270 vertically rotates. In addition, the rotational shaft 274 penetrates the sidewall of the dust collection container 210 in a state where it seats on the seating rib 281.
  • a motor shaft 412 of a driving motor 410 is coupled to the rotational shaft 274 penetrating the sidewall of the dust collection container 210.
  • the compression member 270 includes a compression plate 272 formed in a semicircular shape. That is, since the dust collection container 210 is formed in an approximately cylindrical shape, the compression of the dusts by the compression plate 272 can be effectively realized by forming the compression plate 272 in the semicircular shape.
  • the shape of the compression plate 272 may vary in accordance with a horizontal section of the dust collection container 210.
  • the compression plate 272 may be also formed in the rectangular shape.
  • the driving unit 400 includes a motor housing 420 coupled to the sidewall of the dust collection container 210 and a driving motor 410 received in the motor housing 420.
  • the driving motor 410 is coupled to the rotational shaft 274 when the driving unit 400 is coupled to the dust collection container 210. Further, the motor housing 420 is provided with a terminal portion 424 for supplying power to the driving motor 410.
  • the dust collection unit mounting portion 170 is provided with a receiving portion
  • the receiving portion 172 for receiving the driving unit 400 in a state where the dust collection unit 200 is mounted on the dust collection unit mounting portion 170. Further, the receiving portion 172 is provided with a power supply terminal 174 that selectively contacts the terminal portion 424.
  • the terminal portion 424 contacts the power supply terminal 174 so that the power can be supplied from the main body 100 to the driving motor 410.
  • the motor housing 420 is coupled to a coupling rib 290 formed on the sidewall of the dust collection container 210 while receiving the driving motor 410.
  • a coupling protrusion 422 is formed on an outer side of the motor housing 420.
  • the coupling rib 290 is provided with an insertion hole 292 in which the coupling protrusion 422 is selectively inserted.
  • the driving motor 410 may be a reversible motor. That is, the driving motor
  • 410 may be a bidirectional motor.
  • the compression member 270 can rotate in forward and reverse directions. As the compression member rotates in the forward and reverse directions, the dusts are compressed and accumulated on the first and second bottom surfaces 218 and 219.
  • a synchronous motor may be used as the driving motor 410.
  • the synchronous motor can rotate in the forward and reverse directions.
  • the motor is designed to rotate in a second direction.
  • the load applied to the motor is torque that is generated as the compression member
  • the 270 compresses the dusts accumulated in the dust collection container 210 (on the first and second bottom surfaces 218 and 219 when no dust in the dust collection container). Therefore, when the torque reaches a predetermined value, the rotational direction of the motor changes.
  • the driving motor 410 may be designed to continuously rotate the compression member 270 in the forward and reverse directions at an identical angle speed.
  • the driving motor 410 rotates in a second direction and thus the compression member rotates in the second direction. Therefore, the gap between a second surface of the compression member 270 and the second bottom surface 219 is reduced and thus the dusts accumulated on the second bottom surface 219 are compressed.
  • the driving motor 410 rotates in the first direction and thus the compression member 270 also rotates in the first direction.
  • a portion of the first bottom surface 218 contacting the compression member 270 may be referred to as a first contacting portion 218a and a portion of the second bottom surface 218 contacting the compression member 270 may be referred to as a second contacting portion 219a.
  • the compression member 270 rotates about the rotational axis (rotational shaft) within an angle range ⁇ l between the first contacting portion 218a and the second contacting portion 219a.
  • a space corresponding to the angle range ⁇ l in the first dust storing section 214 may be referred to as a first space Sl.
  • the dusts can be at least partly stored in a second space S2 corresponding to an angle range (360- ⁇ l).
  • the dust collection volume of the dust collection container increases.
  • the rotational direction of the compression member changes as the compression member contacts the dust collection container, the dusts stored in the dust collection container can be fully compressed.
  • the dusts in the dust collection container remains a compressed state, the fly of the dusts can be minimized in a container empty process.
  • the driving unit is detachably coupled to the dust collection container, the driving unit of the dust collection container can be separated from the dust collection unit and thus the inflow of the water into the driving unit can be prevented.
  • a driving unit 600 of this embodiment includes a driving motor
  • the driving motor is located inside a dust collection unit mounting portion 170.
  • the power transmission unit includes a driving gear 620 coupled to a shaft of the driving motor 610 and a driven gear 630 coupled to a rotational shaft of the compression member 270.
  • the driving gear 620 is exposed out of the dust collection unit mounting portion 170.
  • a shaft of the driven gear 630 penetrates a sidewall of a dust collection container 210 and is coupled to the rotational shaft 274 of the compression member 270. [85] Therefore, when a dust collection unit 200 is mounted on the dust collection unit mounting portion 170, the driven gear 630 is engaged with the driving gear 620 to enable a compression member 270 to rotate. [86] On the other hand, when the dust collection unit 200 is separated from the dust collection unit mounting portion 170, the driven gear 630 is disengaged from the driving gear 620. [87] According to this embodiment, since the driving motor is provided in the main body of the cleaner, a weight of the dust collection unit can be reduced.
  • Fig. 7 is a vertical- sectional view of a dust collection unit according to a third embodiment
  • Fig. 8 is a sectional view taken along line C-C of Fig. 7.
  • the third embodiment is substantially same as the first embodiment except for a coupling location of the compression member and a coupling location of the driving unit. Therefore, only a feature of the second embodiment will be described hereinafter.
  • a compression member 720 is oriented in a direction intersecting a bottom surface 732. That is, a rotational shaft 724 of the compression member 720 intersects the bottom surface 732 of the dust collection container 710.
  • a driving unit 800 is disposed under the dust collection container 710 and coupled to an undersurface 732 of the dust collection container 710.
  • a rotational axis of the compression member 720 is spaced apart from a center of the undersurface 732 of the dust collection container 710.
  • a horizontal length of a compression plate 722 of a compression member 720 is greater than a distance between a bottom center C of the dust collection container 710 and a sidewall of the dust collection container 710.
  • a fixing shaft 734 for fixing the rotational shaft 724 is formed on a bottom surface
  • the fixing shaft 734 protrudes from the bottom surface 732 of the dust collection container 710 and is provided with a hollow portion 735 that is formed in an axial direction to fix the rotational shaft 724. A portion of the rotational shaft 724 is inserted into the hollow portion 735 from an upper side of the fixing shaft 734.
  • the driving unit 800 is separately coupled to the bottom surface 732 of the dust collection container 710. When the driving unit 800 is coupled to the dust collection container 710 and connected to the compression member 720.
  • the driving unit 800 includes a driving motor 810 for generating torque, a driving gear 830 for effectively transferring the torque of the driving motor 810 to the compression member 720, and a motor housing 820 for receiving the driving motor 810.
  • the motor housing 820 is coupled to a coupling rib 740 formed on an undersurface of the dust collection container 710 in a state where the driving motor 810 is received in the motor housing 820.
  • a coupling protrusion 822 is formed on an outer surface of the motor housing 820 and a protrusion insertion hole 722 in which the coupling protrusion 822 is selectively inserted is formed on the coupling rib 740.
  • the driving gear 830 is coupled to a lower portion of the rotational shaft 724 and is selectively coupled to a shaft 812 of the driving motor 810. At this point, a gear coupling portion 725 formed in a shape corresponding to the driving gear 830 is formed on the bottom of the rotational shaft 724.
  • the coupling member 726 is coupled to the rotational shaft 724 and the driving gear
  • the motor housing 820 includes a terminal portion 824 electrically connected to the driving motor 810.
  • the terminal portion 824 is connected to a power supply terminal (not shown) formed on the dust collection unit mounting portion.
  • the compression member 720 rotates about its central axis within an angle range ⁇ l defined between the first contacting portion 712 and the second contacting portion 713.
  • a space corresponding to the angle range ⁇ l in the first dust collection container 710 may be referred to as a first space Sl. Therefore, the compression member 720 rotates in the first space Sl.
  • the dusts can be at least partly stored in a second space S2 corresponding to an angle range (360- ⁇ l).
  • a distance between the rotational axis of the compression member 720 and a point of an outer wall of the dust collection container 710 defining the first space Sl is designed to be greater than a distance between the rotational axis of the compression member 720 and a point of an outer wall 714 of the dust collection container 710 defining the second space S2.
  • FIG. 9 is a horizontal-sectional view of a dust collection container according to a fourth embodiment.
  • a horizontal section of a dust collection container 910 is not a circular shape.
  • a sidewall of the dust collection container 910 may be divided into first and second sidewalls 911 and 913.
  • the first sidewall 911 has a different curvature from the second sidewall 913.
  • a curvature radius of the first sidewall 911 is greater than that of the second sidewall 913.
  • a boundary portion between the first and second sidewalls 911 and 913 functions as contacting portions 912 and 914 where the compression member 720 contacts while rotating.
  • the compression member 720 rotates about its rotational axis within an angle range ⁇ l defined between the contacting portions 912 and 914.
  • a space corresponding to the angle range ⁇ l in the first dust collection container 710 may be referred to as a first space Sl.
  • the dusts can be at least partly stored in a second space S2 corresponding to an angle range (360- ⁇ l).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

L’invention concerne un aspirateur. L’aspirateur comprend un récipient de recueil de poussière permettant de stocker la poussière, un élément de compression disposé dans le récipient de recueil de poussière afin de permettre la rotation dans des première et seconde directions, et une unité d’entraînement permettant la rotation de l’élément de compression. L’élément de compression effectue une rotation dans un premier espace correspondant à une première plage d’angle et au moins une partie de la poussière est stockée dans un second espace correspondant à une seconde plage d’angle (360 - première plage d’angle).
PCT/KR2008/004849 2008-07-08 2008-08-20 Aspirateur WO2010005139A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08793362.8A EP2306878B1 (fr) 2008-07-08 2008-08-20 Aspirateur
AU2008359307A AU2008359307B2 (en) 2008-07-08 2008-08-20 Vacuum cleaner
ES08793362.8T ES2610424T3 (es) 2008-07-08 2008-08-20 Aspiradora

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020080065806A KR20100005769A (ko) 2008-07-08 2008-07-08 진공 청소기
KR10-2008-0065806 2008-07-08
KR1020080065807A KR101010416B1 (ko) 2008-07-08 2008-07-08 진공 청소기
KR10-2008-0065807 2008-07-08

Publications (1)

Publication Number Publication Date
WO2010005139A1 true WO2010005139A1 (fr) 2010-01-14

Family

ID=41507233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/004849 WO2010005139A1 (fr) 2008-07-08 2008-08-20 Aspirateur

Country Status (6)

Country Link
EP (1) EP2306878B1 (fr)
AU (1) AU2008359307B2 (fr)
ES (1) ES2610424T3 (fr)
PL (1) PL2306878T3 (fr)
RU (1) RU2447825C1 (fr)
WO (1) WO2010005139A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103181741A (zh) * 2011-12-31 2013-07-03 乐金电子(天津)电器有限公司 吸尘器的高效旋风分离装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100730956B1 (ko) * 2006-04-27 2007-06-22 주식회사 대우일렉트로닉스 청소기의 집진실 압축장치
KR20070084834A (ko) * 2006-02-22 2007-08-27 엘지전자 주식회사 집진장치 및 이를 가지는 진공 청소기
KR100800188B1 (ko) * 2007-02-15 2008-02-01 엘지전자 주식회사 진공 청소기 및 그의 집진 장치
KR100838886B1 (ko) * 2007-01-24 2008-06-16 엘지전자 주식회사 진공 청소기

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KR100876694B1 (ko) * 2006-09-06 2008-12-31 엘지전자 주식회사 진공 청소기의 제어 방법
DE602007003396D1 (de) * 2006-02-24 2010-01-07 Lg Electronics Inc Staubsammelbehälter und Staubsauger
EP1825797B1 (fr) * 2006-02-24 2013-10-23 LG Electronic Inc. Procédé de commande d'un aspirateur
EP1857032B1 (fr) * 2006-05-17 2012-05-16 LG Electronics Inc. Aspirateur avec unités cycloniques primaires et secondaires

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Publication number Priority date Publication date Assignee Title
KR20070084834A (ko) * 2006-02-22 2007-08-27 엘지전자 주식회사 집진장치 및 이를 가지는 진공 청소기
KR100730956B1 (ko) * 2006-04-27 2007-06-22 주식회사 대우일렉트로닉스 청소기의 집진실 압축장치
KR100838886B1 (ko) * 2007-01-24 2008-06-16 엘지전자 주식회사 진공 청소기
KR100800188B1 (ko) * 2007-02-15 2008-02-01 엘지전자 주식회사 진공 청소기 및 그의 집진 장치

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103181741A (zh) * 2011-12-31 2013-07-03 乐金电子(天津)电器有限公司 吸尘器的高效旋风分离装置

Also Published As

Publication number Publication date
PL2306878T3 (pl) 2017-07-31
EP2306878A1 (fr) 2011-04-13
AU2008359307A1 (en) 2010-01-14
EP2306878B1 (fr) 2016-10-12
EP2306878A4 (fr) 2015-05-06
RU2447825C1 (ru) 2012-04-20
AU2008359307B2 (en) 2013-05-23
ES2610424T3 (es) 2017-04-27

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