EP1602308A1 - Zyklonabscheider und elektrischer Staubsauger - Google Patents

Zyklonabscheider und elektrischer Staubsauger Download PDF

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Publication number
EP1602308A1
EP1602308A1 EP05012122A EP05012122A EP1602308A1 EP 1602308 A1 EP1602308 A1 EP 1602308A1 EP 05012122 A EP05012122 A EP 05012122A EP 05012122 A EP05012122 A EP 05012122A EP 1602308 A1 EP1602308 A1 EP 1602308A1
Authority
EP
European Patent Office
Prior art keywords
dirt
collection chamber
suction
cyclone type
spiral flow
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Withdrawn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
EP05012122A
Other languages
English (en)
French (fr)
Inventor
Tetsuhiko Shimizu
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.)
Maxell Izumi Co Ltd
Original Assignee
Izumi Products Co
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 Izumi Products Co filed Critical Izumi Products Co
Publication of EP1602308A1 publication Critical patent/EP1602308A1/de
Withdrawn legal-status Critical Current

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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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • 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
    • 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
    • A47L9/1608—Cyclonic chamber constructions
    • 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
    • A47L9/165—Construction of inlets
    • 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
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means

Definitions

  • the present invention relates to a cyclone type dirt separator which is provided at an intermediate point of the suction tube of an electric vacuum cleaner and further relates to an electric vacuum cleaner that uses such a separator.
  • suction air that involves dirt that is sucked in via a suction fitting is led to the cleaner main body via a suction tube.
  • suction air that contains dirt passes through a filter installed in the cleaner main body, and dirt is collected by this filter.
  • the open lower end of an exhaust tube is caused to face the vicinity of the center of the dust separating section that generates a spiral flow, and the lower part of the dust separating section is communicated with a dust collecting part that is provided below the dust separating section via a dust collecting opening that is in the form of a funnel.
  • the dirt that is separated by the spiral flow in the dust separating section drops into the dust collecting part via the dust collecting opening.
  • the first object of the present invention is to provide a cyclone type dirt separator which assuredly prevents the entrainment of dirt accumulated in the contaminant collecting trough or dust collecting part by spiral flow of air, thus preventing the exhaust of entrained dirt and intake of such dirt into the cleaner main body.
  • the second object of the present invention is to provide an electric vacuum cleaner that is equipped with such a cyclone type dirt separator.
  • the separator is comprised of:
  • the recessed portion is formed in the vicinity of the center of the inside bottom of the dirt collection chamber, the dirt that enters the dirt collection chamber is conducted into the inside bottom surface and is collected in the recessed portion.
  • this spiral flow tends not to enter the sunken recessed portion, no entrainment of the dirt accumulated in the recessed portion occurs, and dirt in the vicinity of the inside bottom likewise tends not to become entangled and entrained with the dirt accumulated in this recessed portion. Accordingly, dirt that has once entered the dirt collection chamber is prevented from being discharged from the exhaust tube, so that the need for frequent cleaning of the filter inside the cleaner main body is eliminated.
  • the separating section may comprise an exhaust tube, which is disposed substantially in coaxial with the central axis of the spiral of the spiral flow, whose lower end is closed off, and which exhausts air via the exhaust openings in the circumferential surface; and the dirt collection chamber may have a substantially tubular shape that extends downward while surrounding this exhaust tube.
  • the dirt that is separated by the centrifugal force arising from the spiral flow can be conducted into the inside bottom of the dirt collection chamber with good efficiency, so that the dirt separation is done efficiently.
  • one part (the upper part) of the dirt collection chamber surrounds the exhaust tube and forms an integral unit with the separating section, thus generating a spiral current of air; accordingly, this structure contributes the overall size reduction.
  • the inside surface in the vicinity of the opening of the recessed portion and the inside bottom surface of the dirt collection chamber are not smoothly continuous, or such surfaces meet with a ridge in between.
  • the inside bottom surface of the dirt collection chamber can be formed as a so-called artillery shell-form curved surface in which the diameter is smoothly reduced downward, and this curved surface and the opening circular edge of the recessed portion abuts at an obtuse angle to form a substantially annular edge shape.
  • the recessed portion can be of a substantially cylindrical shape with a closed bottom.
  • the present invention is not limited to this structure, and a square tubular shape recessed portion that has a closed bottom or the like can be also used.
  • the cyclone type dirt separator be installed in the connecting portion between a flexible tube and an extension tube that constitute the suction tube of an electric vacuum cleaner; however, this cyclone type dirt separator can be disposed, for instance, in the vicinity of the tip end of the extension tube and in the vicinity of the vicinity of the rear end of the flexible tube (immediately before the cleaner main body or the like).
  • the reference numeral 10 is a cleaner main body, and this cleaner main body 10 is equipped with a filter 12 and an electrically driven air blower 14.
  • a suction tube 16 connected to the cleaner main body 10 is comprised of a flexible tube 18 and an extension tube 20, and a cyclone type dirt separator 22 is provided at an intermediate point of this suction tube 16.
  • the electrically driven air blower 14 generates a suction force by rotating a fan (not shown) at high speed with an electric motor (not shown).
  • the electric vacuum cleaner 10 is indeed usable without a cyclone type dirt separator 22; and in this case, the flexible tube 18 (or the forward end of the flexible tube 18) and the extension tube 20 (or the rear end of the extension tube 20) are directly connected to each other to form the suction tube 16.
  • the cyclone type dirt separator 22 is interposed between the flexible tube 18 and the extension tube 20.
  • the forward end of the flexible tube 18 is connected to the rear end of the dirt separator 22 (or to the exhaust tube 32, which will be described later, of the dirt separator 22), and the rear end of the flexible tube 18 is connected to the cleaner main body 10, and a suction fitting (suction brush) 24 is attached to the forward end of the extension tube 20 and the rear end of the extension tube 20 is connected to the dirt separator 22 (or to the suction intake tube 34, which will be described later, of the dirt separator 22) as shown by arrows in Figure 1.
  • the cyclone type dirt separator 22 is comprised of a dirt separating section 26, a dirt collection chamber 28, and a grip section 30.
  • the dirt separating section 26 includes an exhaust tube 32, a suction intake tube 34, a spiral flow passage 38 and a spiral flow compartment 40.
  • the exhaust tube 32 is, at its end, connected to the flexible tube 18; and this exhaust tube 32 extends downward and is bent at its intermediate point to take a substantially shallow V shape when viewed from the side as seen from Figure 2.
  • the suction intake tube 34 is disposed parallel to and on a different axis than the lower part of the exhaust tube 32, and the lower end of the suction intake tube 34 is connected to the extension tube 20.
  • the spiral flow passage 38 is provided so as to communicate with the upper end of the suction intake tube 34 and is led to the outer circumference of the exhaust tube 32 so that the suction air is put in a spiral flow 36 (see Figure 3).
  • the spiral flow compartment 40 separates dirt from the suction air by means of the spiral flow 36 of the air.
  • the exhaust tube 32 is disposed in substantially coaxial with the central axis of the rotation of the spiral flow 36.
  • the spiral flow passage 38 is formed by being surrounded by a partition wall 38a that constitutes the lower wall of the spiral flow passage 38 which forms a partition with the spiral flow compartment 40, a flow passage opening 38b that is formed in this partition wall 38a, an inclined wall 38c that constitutes the upper wall of the spiral flow passage 38, a circular arc form outer circumferential wall 38d, and an inner circumferential wall 38e.
  • the flow passage opening 38b is formed by cutting away the partition wall 38a for the length L in the circumferential direction.
  • the inner circumferential wall 38e is formed by the outer circumferential surface of the exhaust tube 32.
  • the upstream side of the inclined wall 38c (the upstream side being the part located on the suction intake tube 34 side) is connected to the upper wall of the suction intake tube 34, and the downstream side (which is the portion located on the partition wall 38a side) is connected to the rear edge 38f (which is on the downstream side in the spiral direction) of the opening 38b.
  • the exhaust tube 32 is formed, on its circumferential wall, with numerous exhaust openings 42 (see Figure 6) so that the exhaust openings 42 face the spiral flow compartment 40.
  • Each of the exhaust openings 42 is in a slit-form having longer longitudinal sides in the longitudinal direction of the exhaust tube 32 than the width in the circumferential direction.
  • the exhaust opening 42 is, for instance, approximately 20 mm long and approximately 6 mm wide.
  • These exhaust openings 42 are provided in two (upper and lower) stages in the longitudinal direction of the exhaust tube 32, and they prevent large pieces of debris such as paper scraps or the like from being sucked into the exhaust tube 32.
  • the lower end 32a of the exhaust tube 32 is closed, and a baffling plate 44 that extends substantially in the form of a cone is disposed on this lower end of the exhaust tube 32.
  • the baffling plate 44 has a substantially circular (reversed) conical shape so that the diameter gradually increases toward its lower edge.
  • the air enters the spiral flow passage 38, flows along the curved outer and inner circumferential walls 38d and 38e and hits the inclined wall 38c, so that the air, while being rotating, flows downward into the spiral flow compartment 40 through the flow passage opening 38b, thus forming a spiral flow 36 or "cyclone."
  • the spiral flow 36 particularly the portion of the air which is in the vicinity of the center of the spiral flow 36, enters the exhaust tube 32 through the exhaust openings 42 of the exhaust tube 32 so that large pieces of dirt in the air are caught by the striped pattern portions between the exhaust openings 42 and thus separated and removed from the spiral flow 36, and the air without large pieces of dirt eventually flows into the cleaner main body 10 through the flexible tube 18.
  • the dirt collection chamber 28 has a shape of a substantially artillery shell in which the upper end is open and the lower part shows a gradual and smooth decrease in diameter.
  • the dirt collection chamber 28 is, at its upper end, attached to the dirt separating section 26 in a coaxial relation with the exhaust tube 32, and the dirt collection chamber 28 is detachable with reference to the dirt separating section 26.
  • the spiral flow compartment 40 is provided in coaxial with the exhaust tube 32 between the exhaust tube 32 and the upper part of the dirt collection chamber 28.
  • the diameter of the baffling plate 44 is set so that air is allowed to flow between the baffling plate 44 and the inside surface of the dirt collection chamber 28, so that the spiral flow 36 is prevented from flowing around beneath the baffling plate 44 and so that a gap that suppresses any back flow of dirt is formed.
  • the dirt collection chamber 28 is provided so that the inside bottom surface 46 is takes a curved surface that has a smooth decrease in diameter in the downward direction.
  • a recessed portion 48 that sinks downward is formed in the center of this inside bottom surface 46 of the dirt collection chamber 28.
  • the recessed portion 48 is in a shape of a cylinder with a closed bottom, and the diameter of this recessed portion is approximately 1/2 to 1/3 of the diameter of the dirt collection chamber 28. More specifically, the diameter of this recessed portion 48 is approximately 1/2 to 1/3 of the diameter of the approximately the vertically central portion of the dirt collection chamber 28 which is substantially at the height of the baffling plate 44.
  • the central axis of the recessed portion 48 is set on the central axis A of the exhaust tube 32, thus being on the axis of the rotation of the spiral flow 36.
  • the curved surface of the inside bottom surface 46 of the dirt collection chamber 28 and the inside surface in the vicinity of the opening or of the opening edge 48a of the recessed portion 48 are formed so that they are not smoothly continuous (or unsmoothly continuous).
  • the portion where the inside bottom surface 46 of the dirt collection chamber 28 and the opening or the opening edge 48a of the recessed portion 48 abut each other with an obtuse-angle and thus takes an obtuse-angle edge form surface or a step form surface.
  • this abutting surface is thus a surface that is bent in a discontinuous form, edge form or step form from the inside bottom surface 46 to the recessed portion 48, even if the spiral flow 36 drops down along the inside bottom surface 46, this spiral flow is blocked by the opening edge 48a of the recessed portion 48, and dirt that has dropped into the recessed portion 48 is not entrained by the spiral flow. Furthermore, dirt that drops into the dirt collection chamber 28 is prevented from being entrained since such dirt dropping into the dirt collection chamber 28 is entangled with dirt that has previously been dropped in the bottom of the dirt collection chamber 28.
  • the dirt collection chamber 28 is detachable.
  • the hook 50 provided in the vicinity of the lower end of the suction intake tube 34 is provided so that it is engaged with and disengaged from the outside of the recessed portion 48 positioned at the lower end of the dirt collection chamber 28.
  • the dirt collection chamber 28 is fastened in place by this hook 50.
  • the hook 50 is disengaged from the recessed portion 48, the dirt collection chamber 28 is removed from the suction intake tube 34, and the dirt inside the recessed portion 48 is discharged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)
EP05012122A 2004-06-04 2005-06-06 Zyklonabscheider und elektrischer Staubsauger Withdrawn EP1602308A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004167203 2004-06-04
JP2004167203A JP2005342304A (ja) 2004-06-04 2004-06-04 サイクロン式ゴミ分離装置および電気掃除機

Publications (1)

Publication Number Publication Date
EP1602308A1 true EP1602308A1 (de) 2005-12-07

Family

ID=34937249

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05012122A Withdrawn EP1602308A1 (de) 2004-06-04 2005-06-06 Zyklonabscheider und elektrischer Staubsauger

Country Status (8)

Country Link
US (1) US20050268428A1 (de)
EP (1) EP1602308A1 (de)
JP (1) JP2005342304A (de)
KR (1) KR20060048201A (de)
CN (1) CN100360071C (de)
CA (1) CA2509177A1 (de)
MX (1) MXPA05005931A (de)
TW (1) TW200608933A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2078488A3 (de) * 2008-01-14 2011-06-01 Miele & Cie. KG Vorrichtung zum Abscheiden von Staub aus staubbeladener Luft, insbesondere zur Verwendung in einem Staubsauger
US20130227813A1 (en) * 2012-03-02 2013-09-05 G.B.D. Corp. Surface cleaning apparatus
US9204772B2 (en) 2011-03-04 2015-12-08 Omachron Intellectual Property Inc. Dirt collection chamber for a surface cleaning apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013335959B2 (en) * 2012-10-24 2016-03-10 Mitsubishi Electric Corporation Electric vacuum cleaner
TWI561202B (en) * 2013-01-24 2016-12-11 Mitsubishi Electric Corp Cyclone separation device and electric cleaner using the same
KR102071945B1 (ko) * 2018-08-30 2020-01-31 삼성전자주식회사 청소기
JP7185585B2 (ja) * 2019-04-08 2022-12-07 東芝ライフスタイル株式会社 電気掃除機
CN114052600A (zh) * 2021-12-17 2022-02-18 珠海格力电器股份有限公司 清洁设备及其集污箱

Citations (7)

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FR354238A (fr) * 1904-05-16 1905-10-02 John Birtwisle Perfectionnements aux appareils à extraire la poussière des tapis, rideaux, tentures et autres tissus
US2171248A (en) * 1935-02-21 1939-08-29 Berkel Patent Nv Vacuum cleaning apparatus
EP0827710A2 (de) * 1996-09-04 1998-03-11 Aktiebolaget Electrolux Trennvorrichtung für Staubsauber
GB2344278A (en) * 1998-12-02 2000-06-07 Samsung Kwangju Electronics Co A cyclone dust collecting device positionable at the extension pipe of a vacuum cleaner
DE10132690A1 (de) * 2000-12-27 2002-07-18 Ni Zu Gen Jiangsu Fliehkraftstaubabscheidevorrichtung für Staubsauger
US6679930B1 (en) * 1999-04-23 2004-01-20 Lg Electronics Inc. Device for reducing pressure loss of cyclone dust collector
CA2445206A1 (en) * 2002-10-18 2004-04-18 Matsushita Electric Corporation Of America Dirt cup for vacuum cleaner

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US1168175A (en) * 1914-01-30 1916-01-11 James E Deardorff Vacuum street-cleaner.
US6141826A (en) * 1999-01-08 2000-11-07 G.B.D. Corp. Center air feed for cyclonic separator
KR100398684B1 (ko) * 2000-11-27 2003-09-19 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
KR100398685B1 (ko) * 2000-11-27 2003-09-19 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
KR100392606B1 (ko) * 2001-03-24 2003-07-23 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
JP2003135336A (ja) * 2001-11-01 2003-05-13 Toshiba Tec Corp 電気掃除機
KR100445808B1 (ko) * 2002-02-28 2004-08-25 삼성광주전자 주식회사 진공청소기용 사이클론 집진장치
GB2402868B (en) * 2003-06-02 2006-02-01 Samsung Kwangju Electronics Co A cyclonic dust-collector and a handle assembly for a vacuum cleaner
US7329295B2 (en) * 2004-03-17 2008-02-12 Euro-Pro Operating, Llc Light weight bagless vacuum cleaner
US7354468B2 (en) * 2004-08-26 2008-04-08 Euro-Pro Operating, Llc Compact cyclonic separation device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR354238A (fr) * 1904-05-16 1905-10-02 John Birtwisle Perfectionnements aux appareils à extraire la poussière des tapis, rideaux, tentures et autres tissus
US2171248A (en) * 1935-02-21 1939-08-29 Berkel Patent Nv Vacuum cleaning apparatus
EP0827710A2 (de) * 1996-09-04 1998-03-11 Aktiebolaget Electrolux Trennvorrichtung für Staubsauber
JPH1085159A (ja) * 1996-09-04 1998-04-07 Electrolux:Ab 真空掃除機
GB2344278A (en) * 1998-12-02 2000-06-07 Samsung Kwangju Electronics Co A cyclone dust collecting device positionable at the extension pipe of a vacuum cleaner
JP3102864B2 (ja) * 1998-12-02 2000-10-23 三星光州電子株式会社 サイクロン集塵装置を持つ真空掃除機
US6679930B1 (en) * 1999-04-23 2004-01-20 Lg Electronics Inc. Device for reducing pressure loss of cyclone dust collector
DE10132690A1 (de) * 2000-12-27 2002-07-18 Ni Zu Gen Jiangsu Fliehkraftstaubabscheidevorrichtung für Staubsauger
CA2445206A1 (en) * 2002-10-18 2004-04-18 Matsushita Electric Corporation Of America Dirt cup for vacuum cleaner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2078488A3 (de) * 2008-01-14 2011-06-01 Miele & Cie. KG Vorrichtung zum Abscheiden von Staub aus staubbeladener Luft, insbesondere zur Verwendung in einem Staubsauger
US9204772B2 (en) 2011-03-04 2015-12-08 Omachron Intellectual Property Inc. Dirt collection chamber for a surface cleaning apparatus
US9629511B2 (en) 2011-03-04 2017-04-25 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10244911B2 (en) 2011-03-04 2019-04-02 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10624513B2 (en) 2011-03-04 2020-04-21 Omachron Intellectual Property Inc. Surface cleaning apparatus
US20130227813A1 (en) * 2012-03-02 2013-09-05 G.B.D. Corp. Surface cleaning apparatus
US8997309B2 (en) * 2012-03-02 2015-04-07 G.B.D. Corp. Surface cleaning apparatus

Also Published As

Publication number Publication date
CA2509177A1 (en) 2005-12-04
CN100360071C (zh) 2008-01-09
CN1706334A (zh) 2005-12-14
TW200608933A (en) 2006-03-16
KR20060048201A (ko) 2006-05-18
US20050268428A1 (en) 2005-12-08
MXPA05005931A (es) 2005-12-07
JP2005342304A (ja) 2005-12-15

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