DE202011001545U1 - Electric machine - Google Patents
Electric machine Download PDFInfo
- Publication number
- DE202011001545U1 DE202011001545U1 DE202011001545U DE202011001545U DE202011001545U1 DE 202011001545 U1 DE202011001545 U1 DE 202011001545U1 DE 202011001545 U DE202011001545 U DE 202011001545U DE 202011001545 U DE202011001545 U DE 202011001545U DE 202011001545 U1 DE202011001545 U1 DE 202011001545U1
- Authority
- DE
- Germany
- Prior art keywords
- coil
- machine according
- electrical machine
- electric machine
- section
- 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.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2791—Surface mounted magnets; Inset magnets
- H02K1/2792—Surface mounted magnets; Inset magnets with magnets arranged in Halbach arrays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
- H02K21/222—Flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/47—Air-gap windings, i.e. iron-free windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
Abstract
Elektrische Maschine im Wesentlichen bestehend aus einem Gehäuse mit darin stehender, ringförmig angeordneter Spule 8, die als Scheibe ausgeführt ist und seitlich über jeweils einen Luftspalt (5, 6) mit einer Dauermagnetanordnung (3, 4) zusammenwirkt, dadurch gekennzeichnet, dass die Spule (8) einen von einem Spulenfuß (9) aus nach außen hin zu einem Spulenkopf (10) sich verjüngenden Querschnitt aufweist.Electrical machine consisting essentially of a housing with a ring-shaped coil 8 arranged therein, which is designed as a disk and cooperates laterally via an air gap (5, 6) with a permanent magnet arrangement (3, 4), characterized in that the coil ( 8) has a from a coil base (9) outwardly to a coil head (10) has a tapered cross-section.
Description
Die Erfindung betrifft eine elektrische Maschine, die im Wesentlichen aus einem Gehäuse mit darin enthaltener stehender ringförmiger Spule ausgestattet ist, wobei die Spule selbst als Scheibe ausgebildet ist und seitlich über jeweils einen Luftspalt mit einer Dauermagnetanordnung zusammenwirkt.The invention relates to an electrical machine, which is essentially made of a housing with therein contained annular annular coil, wherein the coil itself is formed as a disc and laterally cooperates via an air gap with a permanent magnet arrangement.
Die
Der Wirkungsgrad und die Effizienz insgesamt derartiger vor beschriebener elektrischer Maschinen ist nicht zufrieden stellend. Es ist deshalb Aufgabe der Erfindung, eine elektrische Maschine mit einer Spule, die selbsttragend als Scheibenläufer bezeichnet werden kann, so zu verbessern, dass eine derartige elektrische Maschine nur geringere Verlustleistungen aufweist und insgesamt einen höheren Wirkungsgrad bringt. Dabei sollen die Herstellkosten einer derartigen elektrischen Maschine nicht steigen.The efficiency and the overall efficiency of such prior described electrical machines is not satisfactory. It is therefore an object of the invention to improve an electric machine with a coil, which can be called self-supporting as a pancake, so that such an electric machine has only lower power losses and overall brings a higher efficiency. The manufacturing costs of such an electric machine should not rise.
Die Aufgabe der Erfindung wird durch die Merkmale des Anspruches 1 gelöst. Die Unteransprüche geben dabei eine weitere Ausgestaltung des erfindungsgemäßen Gedankens wieder.The object of the invention is solved by the features of claim 1. The dependent claims provide a further embodiment of the inventive concept again.
Die als Scheibe ausgeführte Spule einer elektrischen Maschine weist im Gegensatz zu dem bekannten Ausführungen zum Stand der Technik keinen rechteckigen Querschnitt auf, sondern ausgehend von einem Spulenfuß nach außen hin, d. h. zum größer werdenden Durchmesser, weist eine derartige Spule einen sich verjüngenden Querschnitt auf. Ein solcher Querschnitt ist im Wesentlichen nach einer bevorzugten Ausführungsform trapezförmig oder kegelstumpfförmig oder mit einem konischen oder hyperbolischen Verlauf in seinen seitlichen Außenbereichen versehen.The coil of an electric machine embodied as a disk, in contrast to the known embodiments of the prior art, does not have a rectangular cross-section, but rather, starting from a coil base, towards the outside, ie. H. For increasing diameter, such a coil has a tapered cross-section. Such a cross-section is substantially trapezoidal or frusto-conical or provided with a conical or hyperbolic shape in its lateral outer regions according to a preferred embodiment.
Der Vorteil einer derartigen Spule, die aus mehreren Wicklungen bestehen kann und für einen mehrphasigen Betrieb geeignet ist, weist einen wesentlich höheren Kupferfüllgrad auf. Durch die Querschnittsform kommt sowohl im Außenbereich als auch im Innenbereich ein gleichmäßigerer Kupferfüllgrad zum Tragen. Dieses bedingt geringere Verlustleistungen, insbesondere in dem Bereich des Spulenkopfes. Gleichzeitig sind Spulen mit einem derartigen Querschnitt dazu geeignet, eine bessere Wärmeableitung zu bewirken und damit eine höhere Belastung insgesamt aushalten zu können.The advantage of such a coil, which can consist of several windings and is suitable for multi-phase operation, has a much higher degree of copper filling. Due to the cross-sectional shape, a more uniform degree of copper filling is used both outdoors and indoors. This requires lower power losses, especially in the area of the coil head. At the same time coils with such a cross-section are suitable to effect a better heat dissipation and thus to be able to withstand a higher load overall.
Durch die im Wesentlichen konische oder trapezförmige Form des Querschnittes der Spule bildet sich auch ein konisch geprägter Arbeitsspalt zwischen den seitlich angeordneten Dauermagnetsystemen. Dabei ist der Luftspalt zwischen den Magneten und der Oberfläche der Spule annähernd parallel. Aufgrund der sich nach außen hin verjüngenden Spule kommen die seitlichen Dauermagnetsysteme näher zusammen, insbesondere im sich verjüngenden Bereich der Spule und erhöhen somit die Feldstärke. Eine Erhöhung der Feldstärke beinhaltet gleichzeitig eine Leistungssteigerung der elektrischen Maschine.Due to the substantially conical or trapezoidal shape of the cross section of the coil also forms a conically embossed working gap between the laterally arranged permanent magnet systems. The air gap between the magnets and the surface of the coil is approximately parallel. Due to the outwardly tapered coil, the lateral permanent magnet systems come closer together, in particular in the tapered region of the coil and thus increase the field strength. An increase in the field strength simultaneously includes an increase in the output of the electric machine.
Den Luftspalt zwischen der Oberfläche der Spulen und der Oberfläche der Magnete wird auch dafür verwendet, um hier entsprechende Kühlluft durchtreten zu lassen. Dadurch, dass die Wärmediffusionslänge von der sich verjüngenden Spule von der Spulenmitte bis zur Oberfläche geringer ist, wird ebenfalls eine bessere Wärmeableitung erzielt.The air gap between the surface of the coils and the surface of the magnets is also used to allow corresponding cooling air to pass through here. By reducing the heat diffusion length from the tapered coil from the coil center to the surface, better heat dissipation is also achieved.
Dabei wird die verwendete ringförmige Spule bei einem Außenläufer auf einem Träger an der Achse stehend gehalten bzw. bei einem Innenläufer, bei dem sich die Achse dreht, wird eine derartige Spule außen im Bereich des Gehäuses stationär gehalten.In the case of an external rotor, the annular coil used is held stationary on a support on the axle or, in the case of an internal rotor in which the axle rotates, such a coil is held stationary in the area of the housing.
Eine derartige elektrische Maschine, die sowohl als Motor als auch generatormäßig verwendbar ist, ist so ausgebildet, dass diese mit einer stehenden selbsttragenden Luftspule mit mindestens zwei Wicklungen realisiert wird. Jeweils nach Anzahl der Phasen sind auch mehrere Wicklungen möglich, so dass eine derartige Spule auch austauschbar ist. Dabei sind die einzelnen Wicklungen bifilar und gleichzeitig meanderförmig so gewickelt, dass die Bifilarität nicht gegensinnig ausgeführt wird. So werden die einzelnen Wicklungen bifilar bewickelt und gleichsinnig in Reihe geschaltet, so dass sich eine Spule ergibt, die mit einer doppelten Windungszahl eine etwa vierfache Induktivität gegenüber herkömmlichen Spulen aufweist. Durch eine derartige Wickelanordnung wird ferner erreicht, dass in dem Arbeitsspalt neben der sich nach außen hin im Querschnitt verjüngenden Form der Spule ebenfalls die magnetischen Felder addieren.Such an electrical machine, which can be used both as a motor and as a generator, is designed so that it is realized with a stationary self-supporting air-core coil with at least two windings. In each case according to the number of phases and several windings are possible, so that such a coil is also interchangeable. The individual windings are bifilar and at the same time meandering wound so that the bifilarity is not carried out in opposite directions. Thus, the individual windings are bifilar wound and connected in series in the same direction, so that there is a coil having a double turn number about four times the inductance over conventional coils. By means of such a winding arrangement, it is further achieved that, in addition to the shape of the coil tapering outwards in cross-section, the magnetic fields also add in the working gap.
Eine derartige Spule wird mittels eines entsprechenden temperaturresistenten Harzes oder einer Vergussmasse getränkt. Nach dem Tränken und aushärten wird hieraus ein kompaktes selbsttragendes Gebilde.Such a coil is impregnated by means of a corresponding temperature-resistant resin or a potting compound. After soaking and hardening, it becomes a compact self-supporting structure.
In einer weiteren bevorzugten Ausführungsform ist es möglich, dass die Spule mit einem Gewebe bzw. mit einer Gewebebahn vorzugsweise eines Glasfaserverbundstoffes, zumindest an seinen äußeren Flächen ausgestattet werden kann. Dabei wird eine solche Gewebebahn mit der Vergussmasse integriert. Durch die Verklebung mit der geeigneten Vergussmasse ist die Wicklung in sich selbst tragend und formstabil.In a further preferred embodiment, it is possible that the coil can be equipped with a fabric or with a fabric web, preferably a glass fiber composite, at least on its outer surfaces. In this case, such a fabric web is integrated with the potting compound. By gluing with the appropriate Potting compound, the winding is self-supporting and dimensionally stable.
Aufgrund der aufgeführten Vorteile ist eine derartige elektrische Maschine bei gleichem Bauraum mit einer wesentlichen Steigerung des Drehmomentes versehen.Due to the advantages listed, such an electric machine is provided with the same space with a significant increase in torque.
Die Erfindung wird nachfolgend anhand eines möglichen Ausführungsbeispieles näher erläutert.The invention will be explained in more detail with reference to a possible embodiment.
Es zeigt:It shows:
Bei dem schematisch in der
Der in der
Zu den Spulenoberflächen
Durch die sich nach außen hin verjüngende Form des Querschnittes der Spule
Eine weitere Effizienzsteigerung kann dadurch erzielt werden, dass gemäß der
Es kann ferner der Darstellung der
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Achseaxis
- 22
- Spulenhalterspool holder
- 33
- Magnetanordnungmagnet assembly
- 44
- Magnetanordnungmagnet assembly
- 55
- Luftspaltair gap
- 66
- Luftspaltair gap
- 77
- Arbeitsspaltworking gap
- 88th
- SpuleKitchen sink
- 99
- Spulenfußcoil base
- 1010
- Spulenkopfcoil head
- 1111
- Spulenoberflächepackage surface
- 1212
- Spulenoberflächepackage surface
- 5050
- Wicklungsanfangwinding start
- 5151
- Wicklungsanfangwinding start
- 5252
- Wicklungsanfangwinding start
- 5353
- Wicklungsanfangwinding start
- 5454
- Wicklungsanfangwinding start
- 5555
- Wicklungsanfangwinding start
- 5656
- Wicklungskopfwinding head
- 5757
- Wicklungskopfwinding head
- 5858
- Wicklungsendewinding end
- 5959
- Wicklungsendewinding end
- 6060
- Wicklungsendewinding end
- 6161
- Wicklungsendewinding end
- 6262
- Wicklungsendewinding end
- 6363
- Wicklungsendewinding end
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 1438296 A [0002] DE 1438296 A [0002]
- DE 2731295 A1 [0002] DE 2731295 A1 [0002]
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202011001545U DE202011001545U1 (en) | 2010-09-23 | 2011-01-16 | Electric machine |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE202010013455.2 | 2010-09-23 | ||
DE202010013455U DE202010013455U1 (en) | 2010-09-23 | 2010-09-23 | Electric machine |
DE202011001545U DE202011001545U1 (en) | 2010-09-23 | 2011-01-16 | Electric machine |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202011001545U1 true DE202011001545U1 (en) | 2011-04-14 |
Family
ID=43299568
Family Applications (13)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202010013455U Expired - Lifetime DE202010013455U1 (en) | 2010-09-23 | 2010-09-23 | Electric machine |
DE102010054170A Withdrawn DE102010054170A1 (en) | 2010-09-23 | 2010-12-12 | Device for generating electrical energy by converting heat into torques and method for operating a power generator by torque generation by means of heat |
DE202011001539U Expired - Lifetime DE202011001539U1 (en) | 2010-09-23 | 2011-01-16 | revolving door |
DE202011001535U Expired - Lifetime DE202011001535U1 (en) | 2010-09-23 | 2011-01-16 | Drive for a building closure in the form of a sectional door |
DE202011001537U Expired - Lifetime DE202011001537U1 (en) | 2010-09-23 | 2011-01-16 | Drive for a garage completion |
DE202011001544U Expired - Lifetime DE202011001544U1 (en) | 2010-09-23 | 2011-01-16 | Modular drive device |
DE202011001542U Expired - Lifetime DE202011001542U1 (en) | 2010-09-23 | 2011-01-16 | Drive unit for movable wall elements |
DE202011001545U Expired - Lifetime DE202011001545U1 (en) | 2010-09-23 | 2011-01-16 | Electric machine |
DE202011001538U Expired - Lifetime DE202011001538U1 (en) | 2010-09-23 | 2011-01-16 | curved sliding door |
DE202011001540U Expired - Lifetime DE202011001540U1 (en) | 2010-09-23 | 2011-01-16 | Modular linear drive for a sliding door or the like |
DE202011001543U Expired - Lifetime DE202011001543U1 (en) | 2010-09-23 | 2011-01-16 | revolving door |
DE202011103379U Expired - Lifetime DE202011103379U1 (en) | 2010-09-23 | 2011-07-15 | Modular linear drive for a sliding door or the like |
DE202011103374U Expired - Lifetime DE202011103374U1 (en) | 2010-09-23 | 2011-07-16 | Drive system for a partitioning system consisting of individual, movable elements |
Family Applications Before (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202010013455U Expired - Lifetime DE202010013455U1 (en) | 2010-09-23 | 2010-09-23 | Electric machine |
DE102010054170A Withdrawn DE102010054170A1 (en) | 2010-09-23 | 2010-12-12 | Device for generating electrical energy by converting heat into torques and method for operating a power generator by torque generation by means of heat |
DE202011001539U Expired - Lifetime DE202011001539U1 (en) | 2010-09-23 | 2011-01-16 | revolving door |
DE202011001535U Expired - Lifetime DE202011001535U1 (en) | 2010-09-23 | 2011-01-16 | Drive for a building closure in the form of a sectional door |
DE202011001537U Expired - Lifetime DE202011001537U1 (en) | 2010-09-23 | 2011-01-16 | Drive for a garage completion |
DE202011001544U Expired - Lifetime DE202011001544U1 (en) | 2010-09-23 | 2011-01-16 | Modular drive device |
DE202011001542U Expired - Lifetime DE202011001542U1 (en) | 2010-09-23 | 2011-01-16 | Drive unit for movable wall elements |
Family Applications After (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202011001538U Expired - Lifetime DE202011001538U1 (en) | 2010-09-23 | 2011-01-16 | curved sliding door |
DE202011001540U Expired - Lifetime DE202011001540U1 (en) | 2010-09-23 | 2011-01-16 | Modular linear drive for a sliding door or the like |
DE202011001543U Expired - Lifetime DE202011001543U1 (en) | 2010-09-23 | 2011-01-16 | revolving door |
DE202011103379U Expired - Lifetime DE202011103379U1 (en) | 2010-09-23 | 2011-07-15 | Modular linear drive for a sliding door or the like |
DE202011103374U Expired - Lifetime DE202011103374U1 (en) | 2010-09-23 | 2011-07-16 | Drive system for a partitioning system consisting of individual, movable elements |
Country Status (1)
Country | Link |
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DE (13) | DE202010013455U1 (en) |
Cited By (1)
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EP2477316A3 (en) * | 2011-01-15 | 2015-03-11 | Ginzel, Lothar | Modular electric device |
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TWM381953U (en) * | 2009-08-06 | 2010-06-01 | Gene Power Holding Co Ltd | Generator structure |
DE102011107867B4 (en) | 2010-11-29 | 2015-04-16 | Novoferm-Tormatic Gmbh | Method for operating a building closure |
DE102011107866A1 (en) | 2011-07-18 | 2013-01-24 | Novoferm Tormatic Gmbh | Method for operating a building closure |
DE102012207758A1 (en) * | 2012-05-09 | 2013-11-14 | Aktiebolaget Skf | Device with at least one pancake motor rotor and mounting method |
DE202012008675U1 (en) | 2012-09-11 | 2012-10-11 | Lothar Ginzel | linear actuator |
DE202012009690U1 (en) | 2012-10-10 | 2012-10-31 | Lothar Ginzel | Modular electrical device |
DE202012009688U1 (en) | 2012-10-10 | 2012-11-08 | Lothar Ginzel | driving device |
DE202012009689U1 (en) | 2012-10-10 | 2012-10-31 | Lothar Ginzel | Modular electrical device |
DE102013000423B3 (en) * | 2013-01-14 | 2014-03-13 | Dorma Gmbh & Co. Kg | Revolving door with a drive unit arranged on a glass ceiling element |
DE102013108133A1 (en) | 2013-07-30 | 2015-02-05 | Dorma Deutschland Gmbh | Method for operating at least one electric motor-driven door leaf |
CN104135136A (en) * | 2014-07-30 | 2014-11-05 | 镇江市江南矿山机电设备有限公司 | Winding type permanent-magnet slip clutch and application thereof |
DE202015003200U1 (en) | 2015-05-01 | 2015-05-21 | Lothar Ginzel | Wave of an electric machine |
AT518463A1 (en) * | 2016-04-07 | 2017-10-15 | Ceta Elektromechanik Gmbh | Sliding |
DE102016112174A1 (en) * | 2016-07-04 | 2018-01-04 | Dormakaba Deutschland Gmbh | Method for controlling a revolving door system |
DE102016112167A1 (en) * | 2016-07-04 | 2018-01-04 | Dormakaba Deutschland Gmbh | Revolving door |
CN111622650B (en) * | 2019-02-28 | 2021-08-24 | 李晓琳 | Gap protection flank between train shield door |
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2011
- 2011-01-16 DE DE202011001539U patent/DE202011001539U1/en not_active Expired - Lifetime
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- 2011-01-16 DE DE202011001537U patent/DE202011001537U1/en not_active Expired - Lifetime
- 2011-01-16 DE DE202011001544U patent/DE202011001544U1/en not_active Expired - Lifetime
- 2011-01-16 DE DE202011001542U patent/DE202011001542U1/en not_active Expired - Lifetime
- 2011-01-16 DE DE202011001545U patent/DE202011001545U1/en not_active Expired - Lifetime
- 2011-01-16 DE DE202011001538U patent/DE202011001538U1/en not_active Expired - Lifetime
- 2011-01-16 DE DE202011001540U patent/DE202011001540U1/en not_active Expired - Lifetime
- 2011-01-16 DE DE202011001543U patent/DE202011001543U1/en not_active Expired - Lifetime
- 2011-07-15 DE DE202011103379U patent/DE202011103379U1/en not_active Expired - Lifetime
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Cited By (1)
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EP2477316A3 (en) * | 2011-01-15 | 2015-03-11 | Ginzel, Lothar | Modular electric device |
Also Published As
Publication number | Publication date |
---|---|
DE102010054170A1 (en) | 2012-03-29 |
DE202011001543U1 (en) | 2011-04-21 |
DE202011103374U1 (en) | 2012-01-02 |
DE202011001537U1 (en) | 2011-04-07 |
DE202011001544U1 (en) | 2011-04-07 |
DE202011103379U1 (en) | 2011-11-21 |
DE202011001538U1 (en) | 2011-04-07 |
DE202011001535U1 (en) | 2011-04-07 |
DE202011001542U1 (en) | 2011-04-07 |
DE202011001540U1 (en) | 2011-04-07 |
DE202010013455U1 (en) | 2010-12-02 |
DE202011001539U1 (en) | 2011-04-14 |
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