EP2016602B1 - Power switch, especially high-current switch - Google Patents
Power switch, especially high-current switch Download PDFInfo
- Publication number
- EP2016602B1 EP2016602B1 EP06753170.7A EP06753170A EP2016602B1 EP 2016602 B1 EP2016602 B1 EP 2016602B1 EP 06753170 A EP06753170 A EP 06753170A EP 2016602 B1 EP2016602 B1 EP 2016602B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pole
- power switch
- current
- circuit breaker
- conductor rail
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
- H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/025—Terminal arrangements
Definitions
- the invention relates to a circuit breaker, in particular a high-current switch having at least one pole unit with a pole head and a Pollust and a contact system arranged therebetween for switching a guided over at least a first bus bar of Pollusts and at least a second busbars of the pole head current, wherein the pole head and the Pollust each have connection means.
- Such a circuit breaker is for example from the EP 1 326 262 A1 known.
- the power switch disclosed therein has a pole fitting as a pole unit with a pole head and a pole carrier and an interrupter unit as a contact system.
- Both the pole head and the pole carrier of this circuit breaker have connection means, wherein the connection means are made of aluminum in one piece and have the functions power line to the contact system, cooling and mechanical fastening.
- Object of the present invention is to develop a circuit breaker of the type mentioned, which has a cost-effective design on improved properties in terms of current carrying capacity and thermal conductivity.
- both the pole head and the pole carrier of the circuit breaker according to the invention are modular, which in each case different materials can be selected for the connection means as well as for the heatsink and the fasteners advantageously, whereby the current carrying capacity of the circuit breaker can be improved in a simple manner because a material with the lowest possible resistance can be selected for the connection means, whereas for heat sinks and fastening elements materials with a good thermal conductivity or a good mechanical strength can be selected.
- both the pole head and the pole carrier are advantageously improved in terms of the current carrying capacity and the heat dissipation in a simple manner and at the same time has a cost-effective design.
- the heat sinks advantageously have cooling ribs which are aligned in dependence on the installation position of the circuit breaker according to the invention to enable good convection. Accordingly, various embodiments of the heat sink are provided.
- the bus bars and the connection means are formed from copper.
- Copper is a material with a low resistance and therefore particularly suitable for current-carrying parts.
- the heat sinks may consist of such materials which have a good thermal conductivity, for example of copper.
- the heat sinks are formed as aluminum castings. Such aluminum castings advantageously have a good thermal conductivity and at the same time are inexpensive.
- the fastening means made of aluminum.
- Aluminum has sufficient mechanical strength and is inexpensive.
- FIG. 1 shows a circuit breaker 1 with three pole units, of which only one pole unit 2 is shown in the cross-sectional view.
- the pole unit 2 comprises a pole head 3 and a pole carrier 4 and a vacuum interrupter 5 arranged between the pole head 3 and the pole carrier 4 as a contact system 5.
- the vacuum interrupter 5 has a fixed contact 6 and a moving contact 7.
- the moving contact 7 is connected via a drive rod 8 to a drive unit 9 of the circuit breaker, the drive unit 9 is designed to initiate a drive movement via the drive rod 8 in the moving contact 7 of the vacuum interrupter 5 for opening or closing the contact system 5.
- the moving contact 7 connected via a connection means 10 with a first bus bar 11 of the pole carrier 4 electrically conductive.
- the fixed contact 6 of the vacuum interrupter 5 is a second connection means 12 electrically conductively connected to a second busbar 13 of the pole head 3.
- the pole head 3 has a heat sink 14 and the pole carrier 4 via a heat sink 15.
- the heat sink 14 and 15 are formed as aluminum castings and have cooling fins, which are aligned depending on the installation position of the circuit breaker either parallel or perpendicular to the respective busbar 11 and 13 respectively can.
- fasteners 16 are provided on the pole head, which fasteners 16 are formed of aluminum and bolted to a support 17, which in turn is bolted to a retaining wall 18 of the circuit breaker.
- the pole carrier 4 also has fastening elements 19, which are formed of aluminum and are bolted to a support 20, which is also screwed to the retaining wall 18 of the circuit breaker.
- the fastening elements 16, 19 are respectively screwed by means of screw 21, 21 'with the respective supports 17, 20.
- the busbars 11 and 13 of the circuit breaker 1 are formed as double rails, whereby a high current carrying capacity is ensured.
- further mechanical stabilizing means are provided, of which, for the sake of clarity, the spacers 22 and 23 are shown as mechanical stabilizing means only in the region of the double busbar 13.
- the fastening elements 16 of the Pollusts 3 and 19 of the pole head 4 serve on the one hand the attachment of the pole unit on the support means to the circuit breaker 1 and on the other hand as fastening elements for the busbars 11 and 13 and the heat sink 14 and 15.
- the busbars 11 and 13 and the heat sinks 15 and 14 are screwed to each other and / or to the fastening elements 19 and 16, whereby the mechanical stability of the entire pole unit 2 is ensured.
- An insulating stabilizer bar 24 is bolted to the first and to the second busbar for further stabilization of the pole unit.
- the current paths forming parts of the pole unit 2 include the busbar 13, the connection means 12, the fixed contact 6, the moving contact 7, a figuratively not shown flexible conductor for connecting the moving contact 7 with the connection means 10 and the busbar 11 and are formed of copper.
- the heat sinks 14 and 15 are designed as aluminum castings.
- the mechanical fasteners 16 and 19 and the stabilizers 22 and 23 are formed of aluminum. Both the pole head 3 and the pole carrier 4 thus have a total of a modular design, with a material properties suitable for the required properties for connection means, heatsink and fasteners in a simple manner is possible.
Landscapes
- Installation Of Bus-Bars (AREA)
- Breakers (AREA)
Description
Die Erfindung betrifft einen Leistungsschalter, insbesondere einen Hochstromschalter mit mindestens einer Poleinheit mit einem Polkopf und einem Polträger und einem dazwischen angeordneten Kontaktsystem zum Schalten eines über mindestens eine erste Stromschiene des Polträgers und mindestens eine zweite Stromschienen des Polkopfes geführten Stromes, wobei der Polkopf und der Polträger jeweils über Anschlussmittel verfügen.The invention relates to a circuit breaker, in particular a high-current switch having at least one pole unit with a pole head and a Polträger and a contact system arranged therebetween for switching a guided over at least a first bus bar of Polträgers and at least a second busbars of the pole head current, wherein the pole head and the Polträger each have connection means.
Ein derartiger Leistungsschalter ist beispielsweise aus der
Ein weiterer Leistungsschalter der eingangs genannten Art ist aus der
Aus der
Aufgabe der vorliegenden Erfindung ist es, einen Leistungsschalter der eingangs erwähnten Art weiterzubilden, welcher bei einer kostengünstigen Konstruktion über verbesserte Eigenschaften hinsichtlich der Stromtragfähigkeit und der Wärmeleitfähigkeit verfügt.Object of the present invention is to develop a circuit breaker of the type mentioned, which has a cost-effective design on improved properties in terms of current carrying capacity and thermal conductivity.
Erfindungsgemäß gelöst wird diese Aufgabe bei einem Leistungsschalter der eingangs erwähnten Art dadurch, dass - die Anschlussmittel einzig zur Verbindung jeweils der mindestens einen ersten Stromschiene und jeweils der mindestens einen zweiten Stromschiene mit dem Kontaktsystem unter Ausbildung von Strompfaden ausgestaltet sind,
- jeweils mindestens ein Kühlkörper außerhalb der Strompfade an der ersten und der zweiten Stromschiene wärmeleitend angebracht ist, und
- Befestigungselemente der Poleinheit außerhalb der Strompfade an den Stromschienen angebracht sind.
- each at least one heat sink outside the current paths on the first and the second busbar is heat-conductively mounted, and
- Fasteners of the pole unit outside the current paths are attached to the busbars.
Mit anderen Worten sind sowohl der Polkopf als auch der Polträger des Leistungsschalters erfindungsgemäß modular aufgebaut, wodurch in vorteilhafterweise sowohl für die Anschlussmittel wie auch für die Kühlkörper und die Befestigungselemente jeweils verschiedene Materialien gewählt werden können, wodurch in einfacher Weise die Stromtragfähigkeit des Leistungsschalter verbessert werden kann, weil für die Anschlussmittel ein Material mit geringst möglichem Widerstand gewählt werden kann, wohingegen für Kühlkörper und Befestigungselemente Materialien mit einer guten Wärmeleitfähigkeit bzw. einer guten mechanischen Festigkeit gewählt werden können. Dadurch ist in vorteilhafterweise sowohl der Polkopf als auch der Polträger in seinen Eigenschaften bezüglich der Stromtragfähigkeit und der Wärmeableitung in einfacher Weise verbessert und weist gleichzeitig einen kostengünstigen Aufbau auf.In other words, both the pole head and the pole carrier of the circuit breaker according to the invention are modular, which in each case different materials can be selected for the connection means as well as for the heatsink and the fasteners advantageously, whereby the current carrying capacity of the circuit breaker can be improved in a simple manner because a material with the lowest possible resistance can be selected for the connection means, whereas for heat sinks and fastening elements materials with a good thermal conductivity or a good mechanical strength can be selected. As a result, both the pole head and the pole carrier are advantageously improved in terms of the current carrying capacity and the heat dissipation in a simple manner and at the same time has a cost-effective design.
Die Kühlkörper weisen vorteilhafterweise Kühlrippen auf, die in Abhängigkeit von der Einbaulage des erfindungsgemäßen Leistungsschalters zur Ermöglichung einer guten Konvektion ausgerichtet sind. Dementsprechend sind verschiedene Ausführungsformen der Kühlkörper vorgesehen.The heat sinks advantageously have cooling ribs which are aligned in dependence on the installation position of the circuit breaker according to the invention to enable good convection. Accordingly, various embodiments of the heat sink are provided.
In einer bevorzugten Ausführungsform sind die Stromschienen und die Anschlussmittel aus Kupfer ausgebildet. Kupfer ist ein Material mit einem geringen Widerstand und daher besonders geeignet für Stromführungsteile.In a preferred embodiment, the bus bars and the connection means are formed from copper. Copper is a material with a low resistance and therefore particularly suitable for current-carrying parts.
Die Kühlkörper können aus solchen Materialien bestehen, welche über eine gute Wärmeleitfähigkeit verfügen, beispielsweise aus Kupfer. In einer bevorzugten Ausgestaltung der Erfindung sind die Kühlkörper als Aluminiumgussteile ausgebildet. Derartige Aluminiumgussteile weisen in vorteilhafterweise eine gute Wärmeleitfähigkeit auf und sind gleichzeitig kostengünstig.The heat sinks may consist of such materials which have a good thermal conductivity, for example of copper. In a preferred embodiment of the invention, the heat sinks are formed as aluminum castings. Such aluminum castings advantageously have a good thermal conductivity and at the same time are inexpensive.
In einer zweckmäßigen Weiterbildung der Erfindung bestehen die Befestigungsmittel aus Aluminium. Aluminium weist eine ausreichende mechanische Festigkeit auf und ist kostengünstig.In an expedient development of the invention, the fastening means made of aluminum. Aluminum has sufficient mechanical strength and is inexpensive.
Die Erfindung wird im Folgenden anhand der Zeichnung und eines Ausführungsbeispiels mit Bezug auf die beiliegende Figur näher erläutert, welche Figur einen erfindungsgemäßen Leistungsschalter in einer Querschnittsansicht zeigt.The invention is explained in more detail below with reference to the drawing and an embodiment with reference to the accompanying figure, which shows a circuit breaker according to the invention in a cross-sectional view.
Die Figur 1 zeigt einen Leistungsschalter 1 mit drei Poleinheiten, von denen in der Querschnittsansicht nur eine Poleinheit 2 dargestellt ist. Die Poleinheit 2 umfasst einen Polkopf 3 und einen Polträger 4 sowie eine zwischen dem Polkopf 3 und dem Polträger 4 angeordnete Vakuumschaltröhre 5 als Kontaktsystem 5. Die Vakuumschaltröhre 5 weist einen Festkontakt 6 und einen Bewegkontakt 7 auf. Der Bewegkontakt 7 ist über eine Antriebsstange 8 mit einer Antriebseinheit 9 des Leistungsschalters verbunden, wobei die Antriebseinheit 9 zur Einleitung einer Antriebsbewegung über die Antriebsstange 8 in den Bewegkontakt 7 der Vakuumschaltröhre 5 ausgebildet ist zum Öffnen bzw. Schließen des Kontaktsystems 5. Der Bewegkontakt 7 ist über ein Anschlussmittel 10 mit einer ersten Stromschiene 11 des Polträgers 4 elektrisch leitend verbunden. Der Festkontakt 6 der Vakuumschaltröhre 5 ist über ein zweites Anschlussmittel 12 mit einer zweiten Stromschiene 13 des Polkopfes 3 elektrisch leitend verbunden. Der Polkopf 3 verfügt über einen Kühlkörper 14 und der Polträger 4 über einen Kühlkörper 15. Die Kühlkörper 14 und 15 sind als Aluminiumgussteile ausgebildet und weisen Kühlrippen auf, welche je nach Einbaulage des Leistungsschalters entweder parallel oder senkrecht zur jeweiligen Stromschiene 11 bzw. 13 ausgerichtet sein können. Zur mechanischen Befestigung der Poleinheit 2 sind Befestigungselemente 16 am Polkopf vorgesehen, welche Befestigungselemente 16 aus Aluminium ausgebildet sind und an einem Stützer 17 verschraubt sind, welcher wiederum an einer Haltewand 18 des Leistungsschalters verschraubt ist. Der Polträger 4 weist ebenfalls Befestigungselemente 19 auf, welche aus Aluminium ausgebildet sind und mit einem Stützer 20 verschraubt sind, welcher an der Haltewand 18 des Leistungsschalters ebenfalls verschraubt ist. Die Befestigungselemente 16, 19 sind jeweils mittels Verschraubungen 21, 21' mit den jeweiligen Stützern 17, 20 verschraubt. Die Stromschienen 11 und 13 des Leistungsschalters 1 sind als Doppelschienen ausgebildet, wodurch eine hohe Stromtragfähigkeit gewährleistet ist. Zur mechanischen Stabilisierung der Doppelstromschienen 11 und 13 sind weitere mechanische Stabilisierungsmittel vorgesehen, von denen der Übersichtlichkeit halber nur im Bereich der Doppelstromschiene 13 die Abstandshalter 22 und 23 als mechanische Stabilisierungsmittel dargestellt sind. Die Befestigungselemente 16 des Polträgers 3 und 19 des Polkopfes 4 dienen einerseits der Befestigung der Poleinheit über die Stützeinrichtungen an dem Leistungsschalter 1 und andererseits als Befestigungselemente für die Stromschienen 11 bzw. 13 und die Kühlkörper 14 bzw. 15. Die Stromschienen 11 bzw. 13 und die Kühlkörper 15 bzw. 14 sind dabei aneinander und/oder an den Befestigungselementen 19 bzw. 16 verschraubt, wodurch die mechanische Stabilität der gesamten Poleinheit 2 gewährleistet ist. Eine isolierende Stabilisierungsstange 24 ist an der ersten und an der zweiten Stromschiene verschraubt zur weiteren Stabilisierung der Poleinheit.
Die die Strompfade bildenden Teile der Poleinheit 2 umfassen die Stromschiene 13, das Anschlussmittel 12, den Festkontakt 6, den Bewegkontakt 7, einen figürlich nicht dargestellten flexiblen Stromleiter zur Verbindung des Bewegkontaktes 7 mit dem Anschlussmittel 10 sowie die Stromschiene 11 und sind aus Kupfer ausgebildet. Die Kühlkörper 14 und 15 sind als Aluminiumgussteile ausgeführt. Die mechanischen Befestigungselemente 16 und 19 sowie die Stabilisierungsmittel 22 und 23 sind aus Aluminium ausgebildet. Sowohl der Polkopf 3 als auch der Polträger 4 weisen somit insgesamt einen modularen Aufbau auf, mit dem eine den erforderlichen Eigenschaften entsprechende Materialwahl für Anschlussmittel, Kühlkörper sowie Befestigungselemente in einfacher Weise möglich ist.FIG. 1 shows a
The current paths forming parts of the pole unit 2 include the
- 11
- Leistungsschalterbreakers
- 22
- Poleinheitpole unit
- 33
- Polkopfpole head
- 44
- Polträgerpole carrier
- 55
- VakuumschaltröhreVacuum interrupter
- 66
- Festkontaktfixed contact
- 77
- Bewegkontaktmoving contact
- 88th
- Antriebsstangedrive rod
- 99
- Antriebseinheitdrive unit
- 1010
- Anschlussmittelconnection means
- 1111
- Erste StromschieneFirst busbar
- 1212
- Anschlussmittelconnection means
- 1313
- Zweite StromschieneSecond busbar
- 14, 1514, 15
- Kühlkörperheatsink
- 1616
- Befestigungselement PolkopfFastening element Polkopf
- 1717
- Stützersupporters
- 1818
- Haltewandretaining wall
- 1919
- Befestigungselement PolträgerFastening element pole carrier
- 2020
- Stützersupporters
- 21, 21'21, 21 '
- Verschraubungenfittings
- 22, 2322, 23
- Stabilisierungsmittelstabilizer
- 2424
- Isolierende StabilisierungsstangeInsulating stabilizer bar
Claims (4)
- Power switch, especially high-current switch, comprising at least one pole unit (2) with a pole head (3) and a pole base (4) and a contact system (5) interposed therebetween, for switching a current that is guided via at least one first conductor rail (11) of the pole base (4) and at least one second conductor rail (13) of the pole head (3), the pole head (3) and the pole base (4) having respective connecting elements (10, 12), characterized in that- the connecting elements (10, 12) are configured only to connect respectively the at least one first conductor rail (11) and the at least one second conductor rail (13) to the contact system (5) to form current paths,- at least one cooling body (14, 15) is attached outside the current paths in a heat-conducting manner to the first and the second conductor rail (11, 13) respectively, and- fastening elements (16, 19) of the pole unit (2) are attached outside the current paths to the conductor rails (11, 13).
- Power switch according to Claim 1, characterized in that the conductor rails (11, 13) and the connecting elements (10, 12) are made of copper.
- Power switch according to Claim 1 or 2, characterized in that the cooling bodies (14, 15) are designed in the form of cast aluminum parts.
- Power switch according to one of Claims 1 to 3, characterized in that the fastening elements (16, 19) are made of aluminum.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/DE2006/000851 WO2007128250A1 (en) | 2006-05-10 | 2006-05-10 | Power switch, especially high-current switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2016602A1 EP2016602A1 (en) | 2009-01-21 |
| EP2016602B1 true EP2016602B1 (en) | 2018-06-27 |
Family
ID=37566368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06753170.7A Active EP2016602B1 (en) | 2006-05-10 | 2006-05-10 | Power switch, especially high-current switch |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2016602B1 (en) |
| CN (1) | CN101438361B (en) |
| DE (1) | DE112006003951A5 (en) |
| TR (1) | TR201812630T4 (en) |
| WO (1) | WO2007128250A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126779A1 (en) | 2011-03-21 | 2012-09-27 | Siemens Aktiengesellschaft | Breaker pole for a switchgear |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829647A (en) | 1971-06-04 | 1974-08-13 | Westinghouse Electric Corp | Heat conducting fins for bus bars and other electrical conductors |
| US4005297A (en) | 1972-10-18 | 1977-01-25 | Westinghouse Electric Corporation | Vacuum-type circuit interrupters having heat-dissipating devices associated with the contact structures thereof |
| US5753875A (en) * | 1996-10-15 | 1998-05-19 | Eaton Corporation | Heat sink for contact stems of a vacuum interrupter and a vacuum interrupter therewith |
| CN1160751C (en) * | 1998-01-27 | 2004-08-04 | Lg产电株式会社 | Terminal structure for vacuum circuit breaker |
| DE19850206A1 (en) * | 1998-10-23 | 2000-04-27 | Siemens Ag | Switch and control-gear especially with vacuum contactors |
| EP1326262A1 (en) | 2001-12-21 | 2003-07-09 | Siemens Aktiengesellschaft | Pole armature |
| JP2005166449A (en) * | 2003-12-02 | 2005-06-23 | Mitsubishi Electric Corp | Vacuum switch |
-
2006
- 2006-05-10 EP EP06753170.7A patent/EP2016602B1/en active Active
- 2006-05-10 DE DE112006003951T patent/DE112006003951A5/en not_active Withdrawn
- 2006-05-10 CN CN2006800545007A patent/CN101438361B/en active Active
- 2006-05-10 WO PCT/DE2006/000851 patent/WO2007128250A1/en active Application Filing
- 2006-05-10 TR TR2018/12630T patent/TR201812630T4/en unknown
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2016602A1 (en) | 2009-01-21 |
| DE112006003951A5 (en) | 2009-04-09 |
| CN101438361A (en) | 2009-05-20 |
| TR201812630T4 (en) | 2018-09-21 |
| WO2007128250A1 (en) | 2007-11-15 |
| CN101438361B (en) | 2011-10-05 |
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