EP1465285A1 - Koaxialleitung mit Zwangskühlung - Google Patents
Koaxialleitung mit Zwangskühlung Download PDFInfo
- Publication number
- EP1465285A1 EP1465285A1 EP04007218A EP04007218A EP1465285A1 EP 1465285 A1 EP1465285 A1 EP 1465285A1 EP 04007218 A EP04007218 A EP 04007218A EP 04007218 A EP04007218 A EP 04007218A EP 1465285 A1 EP1465285 A1 EP 1465285A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coaxial line
- inner conductor
- line according
- insulating material
- tube
- 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.)
- Granted
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/06—Coaxial lines
Definitions
- the invention relates to a coaxial line with a tubular Inner conductor, an outer conductor, insulating material supports between the inner conductor and the outer conductor and connections for passing a cooling medium through the Management.
- the invention has for its object a coaxial line to create with improved cooling.
- Coolant can be passed through the inner conductor.
- the cooling of the thermally much less stressed Outer conductor is not the subject of the invention. she can by means of cooling fins and cooling coils on the outer conductor or similar measures known per se.
- the cooling medium is preferably in at least some of the Insulated supports designed channels can be added and removed (Claim 2).
- These insulating material supports can be as through the outer conductor pipes to the outside can be formed (claim 3). Three or are usually sufficient per radial plane four insulated supports that are offset by 120 ° or 90 ° are arranged. Depending on the coolant flow required it may be sufficient to use only a part of these insulating material supports to use for the supply and discharge of the cooling medium. With a suitable design of the insulating material supports then make sure there are no additional Distortions of the RF field arise in the circumferential direction.
- the insulating material supports can also be used as hollow disks be formed with radial channels 4), e.g. to divide the line into longitudinally dense sections.
- the channels of the insulating material supports preferably open into one Chamber in an inner conductor connector at the end of the tubular inner conductor (claim 5).
- the inner conductor connector at the same time forms the warehouse for the respective End of the tubular inner conductor.
- a preferred embodiment of the coaxial line draws is characterized in that in the tubular inner conductor tube sealed on both ends at its ends smaller diameter is arranged coaxially and that the Annulus between this tube and the tubular inner conductor communicates with the channels in the insulation supports (Claim 6). Then the cooling medium only flows through the annular gap or annulus between the tubular Inner conductor and the one enclosed and functional also at its ends on the relevant inner conductor connectors stored pipe of smaller diameter. If the ring cross-section is sufficiently dimensioned, the Cooling effect practically unchanged, while at the same time considerable lower cable weight and less effort for the auxiliary units required for coolant circulation.
- the tube is on the end face of one Inner conductor connector trained flange closed (Claim 7).
- the pipe can also have flanges on the face be closed on the respective inner conductor connector are axially and radially floating (Claim 8).
- the play in the axial direction avoids the creation of axial constraining forces, be it as a result of manufacturing tolerances, be it because of different ones heat-dependent changes in length of the pipe and this enclosing, tubular inner conductor.
- the outer circumference of the tube can counteract supporting the inner wall of the tubular inner conductor Have centering elements (claim 9). This ensures that the cross section of the annulus or annulus between the tubular inner conductor and the one enclosed by it Pipe remains constant in the circumferential direction, etc. even if the coaxial line as a whole in the longitudinal direction describes a slight curve.
- the centering elements can be along a helix, i.e. be arranged helically around the tube (claim 10), uzw. also as individual, spaced apart elements.
- centering elements can be axially extending Bridges exist (claim 11). This is fluidic cheaper than the arrangement along a spiral.
- the centering elements can be used be in one piece with the pipe. (Claim 12). This is manufacturing technology especially advantageous if the pipe is not made of metal but plastic.
- tubular inner conductor in its jacket have axial channels that support the channels in the insulating material communicate (claim 13).
- Such one Inner conductor can be used, for example, as an extruded profile be made inexpensively from aluminum.
- the coaxial line consists of separate coolable from each other, electrically and mechanically connected sections (claim 14).
- tubular inner conductors are against one another bordering sections of the line are best complementary Plug connections can be connected to one another (claim 15).
- Such a complementary connector can be made from a the chamber of the respective inner conductor connector final flange plate with an axially extending first ring collar exist, the second ring collar on the flange plate of the subsequent line section overlaps and itself a wreath axially extending contact springs overlapped that concentrically surrounds the second collar (claim 16).
- the first ring bundle forms one Plug, the second collar together with the contact spring ring the complementary coupler.
- the ring bundles bearing the contacting are expedient Flange plates with the associated inner conductor connectors screwed (claim 18). This makes it easier Retrofitting the connection points from pins to domes and vice versa. Furthermore, the contact spring ring as Single part made of the most suitable material getting produced. It will then be at its root with the Flange plate welded.
- the insulating material supports can be in the axial direction floating through the outer conductor (claim 19).
- each of the tubular insulating material supports can also be used with its inner end in the inner conductor connector and with its outer end in the Outer conductor wall mounted tiltable in an axial plane be (claim 21).
- the tiltable storage can be e.g. by ring beads on the relevant ends of the insulating material supports in connection with spherical counter bearings in the relevant receptacles on the inner conductor connector and on a bushing through the wall of the outer conductor realize.
- Figure 1 shows - shortened in the longitudinal direction - a section a coolable coaxial line for the transmission of very high RF powers.
- the line comprises an outer conductor tube 1, equipped at both ends with connecting flanges 2 is.
- the diameter of the outer conductor tube 1 can are in the range of 120 mm and more.
- the outer conductor 1 coaxially encloses a tubular inner conductor 3 which both ends with inner conductor connectors 4 Is provided.
- Each of the inner conductor connectors 4 is made of a suitable dielectric via insulating material supports 5, preferably a ceramic material in which Corresponding connecting flanges 2 stored, etc. in this example with four insulated supports 5, as can be seen from FIG. 2.
- the insulation supports 5 are tubular and through the connecting flanges 2 sealed to the outside. Your inner Sealed ends are sealed (see Grooves for receiving O-rings) in the recesses of the inner conductor connecting pieces 4th
- Chambers 6 are formed in the inner conductor connecting pieces 4, which have holes like 6.1 with channels 5.1 in the insulating material supports 5 are connected.
- the inner conductor connectors 4 have a first flange 4.1, overlapped by the respective end of the inner conductor tube 3 becomes.
- End of the inner conductor tube 3 preferably continuously a peripheral seam welded.
- an O-ring can be provided (not shown).
- liquid cooling medium e.g. Water
- the tubular Inner conductor 3 and the inner conductor connectors 4 from cooled inside.
- each chamber 6 On their facing away from the tubular inner conductor 2 Is each chamber 6 by a flange plate 10 or 11 connected to the inner conductor connector 4 via screws 9 is connected, completed.
- the flange plate 10 on one (left in Fig. 1) end of the line section has an axially oriented collar 10.1 with an inner diameter d1.
- the flange plate 11 on the other (in Fig. 1 right) end of the line section has an annular collar 11.1 with the smaller outside diameter d2 ⁇ d1.
- With a flange 11.2 is connected to the flange plate 11, which coaxially surrounds the collar 11.1.
- the free The ends of the contact springs lie in a radial plane from the radial plane, which is the end face of the collar 11.1 contains an axial distance a is reset.
- Fig. 3 illustrates that when two such line sections A and B of the collar 10.1 a plug element and the collar 11.1 together with the Contact spring ring 11.2 a coupler element for implementation the contacting connection between the tubular Inner conductors 3 of the line pieces A placed against one another and B forms.
- contacting connection the outer conductor 1 is between the connecting flanges 2 the ring 20 shown in Fig. 4 from a feathered Sheet inserted.
- Fig. 5 the line sections A and B are together connected state shown.
- the outer conductor connection flanges 2 are with each other as usual via tie rods 21 screwed.
- In order to also in the area of these inner conductor plug connections 10.1, 11.1, 11.2 ensures adequate cooling is, these are short in the axial direction, from good thermally conductive materials and in sufficient material thickness manufactured.
- ⁇ 1 in FIG. 1 A first way this stretch, which is symbolically denoted by ⁇ 1 in FIG. 1 is to collect the insulation supports 5 floating through the wall of the outer conductor pass therethrough.
- Fig. 8 shows such a sealed and HF-tight bushing.
- the tubular insulation support 5 is sealed with an axial play ⁇ 2 an O-ring 52 received in a guide sleeve 51, the with a foot flange 53 in a recess 2.1 in the wall of the outer conductor connection flange 2 is seated.
- the fat of the foot flange 53 is slightly smaller than the depth of the Recess. In a groove of the foot flange 53, a so-called.
- Worm contact 54 recorded in the radial direction is elastic.
- the worm contact is in turn from one O-ring 55 enclosed.
- the Foot flange 53 of the guide sleeve 51 is by means of a Pressure plate 56 secured in the recess 2.1.
- Perpendicular to the drawing level, i.e. in the longitudinal direction of the line the recess 2.1 is elongated, so that the Insulation support 5 including the guide sleeve 51 heat-related changes in length ⁇ 1 of the tubular inner conductor 3 can follow relative to the outer conductor 1 and none Coercive forces occur. Leaves at the same time. this kind of Also carry out heat-related changes in length of the insulating material support 5 in the radial direction.
- the insulating support 5 is in the inner conductor connector 4 and in the guide sleeve 51 pivoted, either by spherical cap-shaped formation of their two ends in connection with sufficiently large recesses in the inner conductor connector 4 and in the wall of the Outer conductor connection flange 2 (Fig. 9) or, complementary for this, by forming corresponding ring beads in the recordings of the ends of the insulating support 5 on the one hand in the inner conductor connector 4 and on the other hand in the guide sleeve 51 (Fig. 10). In both cases, the Tilt the insulating sleeve around the point M by a small angle ⁇ .
- the inner conductor can be a thick-walled one Tube 30 with numerous, closely adjacent, axial Channels 31 can be executed.
- Fig. 11 shows the corresponding one Cross-section.
- made of aluminum Pipes made very easily using the extrusion process become.
- FIG. 12 shows an embodiment modified from FIG. 1 shown. That of the tubular inner conductor 3 enclosed tube 7 is through at both ends Flanges 71 closed, each of which has a central one Has journal 71.1, with which he in a recess 41.1 in the inner conductor connector 41 with play in particular sits in the axial but also in the radial direction. The radial clearance is exaggerated for clarity drawn.
- the tube 7 is thus between the inner conductor connectors 41 floating.
- the space 8 between communicates the tubular inner conductor 3 and the tube 7 with the respective chamber 6 in the inner conductor connector 41 via recesses 71.2 (see FIG.
Abstract
Description
- Fig. 1
- einen verkürzt dargestellten Leitungsabschnitt im Längsschnitt;
- Fig. 2
- eine teilweise im Schnitt gehaltene Stirnansicht;
- Fig. 3
- die zur Verbindung miteinander bestimmten Endbereiche von zwei aufeinander folgenden Leitungsabschnitten;
- Fig. 4
- eine Ansicht des in den Fig. 3 und 5 dargestellten Dichtungs- und Kontaktierungsrings zwischen den Verbindungsflanschen der Aussenleiter;
- Fig. 5
- die gleichen Endbereiche wie in Fig. 3 nach Herstellung der Verbindung;
- Fig. 6
- eine teilweise im Schnitt gehaltene Seitenansicht eines als 90°-Bogen ausgeführten Leitungsabschnittes;
- Fig. 7
- den Endbereich eines Leitungsabschnitts im Längsschnitt mit einer alternativen Ausführung der Isolierstoffstützen;
- Fig. 8
- die Durchführung einer Isolierstoffstütze durch den Außenleiter, überwiegend im Schnitt und in vergrößertem Maßstab als Stirnansicht;
- Fig. 9
- eine andere Ausführungsform der Durchführung der Isolierstoffstütze im Längsschnitt und in vergrößertem Maßstab;
- Fig. 10
- eine zu Fig. 9 alternative Ausführungsform;
- Fig. 11
- eine Stirnansicht einer anderen Ausführungsform des Innenleiterrohrs;
- Fig. 12
- einen Leitungsabschnitt ähnlich Fig. 1, jedoch in einer anderen Ausführungsform;
- Fig. 13
- einen Schnitt längs der Linie XIII-XIII in Figur 12.
Claims (21)
- Koaxialleitung mit einem rohrförmigen Innenleiter (3), einem Außenleiter (1), Isolierstoffstützen (5) zwischen dem Innenleiter und dem Außenleiter und Anschlüssen zum Hindurchleiten eines Kühlmediums durch die Leitung, dadurch gekennzeichnet, dass das Kühlmedium durch den Innenleiter (3) hindurchleitbar ist.
- Koaxialleitung nach Anspruch 1, dadurch gekennzeichnet, dass das Kühlmedium über in mindestens einigen der Isolierstoffstützen (5) ausgebildete Kanäle (5.1) zu- und abführbar ist.
- Koaxialleitung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Isolierstoffstützen als durch den Außenleiter (1) hindurch nach außen geführte Rohre (5) ausgebildet sind.
- Koaxialleitung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Isolierstoffstützen als Vollscheiben (57) mit radialen Kanälen (57.1) ausgebildet sind.
- Koaxialleitung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Kanäle (5.1; 57.1) der Isolierstoffstützen (5; 57) in eine Kammer (6) in einem Innenleiterverbindungsstück (4) am Ende des rohrförmigen Innenleiters (3) münden.
- Koaxialleitung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass in dem rohrförmigen Innenleiter (3) ein an seinen beiden Enden stirnseitig verschlossenes Rohr (7) kleineren Durchmessers koaxial angeordnet ist und dass der Ringraum (8) zwischen diesem Rohr (7) und dem rohrförmigen Innenleiter (3) mit den Kanälen (5.1; 57.1) in den Isolierstoffstützen (5; 57) kommuniziert.
- Koaxialleitung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Rohr (7) stirnseitig durch einen an dem Innenleiterverbindungsstück (4) ausgebildeten Flansch (4.2) verschlossen ist.
- Koaxialleitung nach Anspruch 6, dadurch gekennzeichnet, dass das Rohr (7) stirnseitig über Flansche (71) verschlossen ist, die an dem jeweiligen Innenleiterverbindungsstück axial und radial schwimmend (41.1, 71.1) gelagert sind.
- Koaxialleitung nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass das Rohr (7) an seinem Aussenumfang sich gegen die Innenwand des rohrförmigen Innenleiters (3) abstützende Zentrierelemente (72) hat.
- Koaxialleitung nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass die Zentrierelemente (72) längs einer Wendel (schraubenförmig) um das Rohr (7) angeordnet sind.
- Koaxialleitung nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass die Zentrierelemente aus axial verlaufenden Stegen (72.1) bestehen.
- Koaxialleitung nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass die Zentrierelemente mit dem Rohr (7) einstückig sind.
- Koaxialleitung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass der rohrförmige Innenleiter (30) in seinem Mantel axiale Kanäle (31) hat, die mit den Kanälen in den Isolierstoffstützen kommunizieren.
- Koaxialleitung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass sie aus getrennt voneinander kühlbaren, elektrisch und mechanisch miteinander verbundenen Abschnitten (A, B) besteht.
- Koaxialleitung nach Anspruch 14, dadurch gekennzeichnet, dass die rohrförmigen Innenleiter (3, 30) aneinandergrenzender Abschnitte (A, B) der Leitung über komplementäre Steckverbindungen miteinander verbindbar sind.
- Koaxialleitung nach Anspruch 15, dadurch gekennzeichnet, dass die komplementäre Steckverbindung aus einer die Kammer (6) des Innenleiterverbindungsstücks (4) abschließenden Flanschplatte (10) mit einem sich axial erstreckenden ersten Ringbund (10.1) besteht, der einen zweiten Ringbund (11.1) an der Flanschplatte (11) des anschließenden Leitungsabschnitts übergreift und seinerseits von einem Kranz (11.2) sich axial erstreckender Kontaktfedern kontaktierend übergriffen wird, der den zweiten Ringbund (11.1) konzentrisch umgibt.
- Koaxialleitung nach Anspruch 16, dadurch gekennzeichnet, dass die freien Enden der Kontaktfedern des Kontaktfedernkranzes (11.2) in einer radialen Ebene liegen, die gegenüber der die Stirnfläche des zweiten Ringbundes (11.1) enthaltenden, radialen Ebene axial zurückgesetzt ist.
- Koaxialleitung nach Anspruch 17, dadurch gekennzeichnet, dass die Flanschplatten (10, 11) mit dem Innenleiterverbindungsstück (4) verschraubt sind.
- Koaxialleitung nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, dass die Isolierstoffstützen (5) in axialer Richtung schwimmend durch den Außenleiter (1) hindurchgeführt sind.
- Koaxialleitung nach einem der Ansprüche 1 bis 19, dadurch gekennzeichnet, dass das durch den Außenleiter (1) hindurchgeführte Ende jeder Isolierstoffstütze (5) von einem Führungsflansch (51) umschlossen ist, der in axialer Richtung schwimmend in einer Ausnehmung des Außenleiters gehalten, gegenüber diesem radialelastisch abgedichtet und mit ihm radialelastisch kontaktiert ist.
- Koaxialleitung nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, dass jede der rohrförmigen Isolierstoffstützen (5) mit ihrem innenliegenden Ende in dem Innenleiterverbindungsstück (4) und mit ihrem außenliegenden Ende in der Außenleiterwandung (1) in einer axialen Ebene verkippbar gelagert ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10315021 | 2003-04-02 | ||
DE10315021 | 2003-04-02 | ||
DE10322482 | 2003-05-19 | ||
DE10322482 | 2003-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1465285A1 true EP1465285A1 (de) | 2004-10-06 |
EP1465285B1 EP1465285B1 (de) | 2009-07-01 |
Family
ID=32851859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04007218A Expired - Fee Related EP1465285B1 (de) | 2003-04-02 | 2004-03-25 | Koaxialleitung mit Zwangskühlung |
Country Status (5)
Country | Link |
---|---|
US (1) | US7009103B2 (de) |
EP (1) | EP1465285B1 (de) |
JP (1) | JP2004312003A (de) |
DE (2) | DE102004014757B4 (de) |
ES (1) | ES2328477T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106165264A (zh) * | 2014-04-04 | 2016-11-23 | 动态流有限责任公司 | 用于电磁机械的空心电导体 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2984617B1 (fr) * | 2011-12-14 | 2014-11-28 | Alstom Technology Ltd | Coude a angles d'orientation multiples pour lignes a haute tension |
US10283241B1 (en) | 2012-05-15 | 2019-05-07 | The United States Of America As Represented By The Secretary Of The Navy | Responsive cryogenic power distribution system |
DE102014206000A1 (de) * | 2014-03-31 | 2015-10-01 | Siemens Aktiengesellschaft | Kühlvorrichtung |
FR3038488A1 (fr) * | 2015-06-30 | 2017-01-06 | Thales Sa | Refroidissement d'un troncon de ligne coaxiale et d'un dispositif de production de plasma |
PL435036A1 (pl) | 2020-08-20 | 2022-02-21 | General Electric Company Polska Spółka Z Ograniczoną Odpowiedzialnością | Konstrukcja połączeń dla zespołu generatora |
US11795837B2 (en) | 2021-01-26 | 2023-10-24 | General Electric Company | Embedded electric machine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946141A (en) * | 1973-10-24 | 1976-03-23 | Siemens Aktiengesellschaft | Cooling apparatus for an electric cable |
DE10108843A1 (de) * | 2000-06-05 | 2002-01-03 | Didier Werke Ag | Kühlbarer Koaxialleiter |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3331911A (en) * | 1965-07-26 | 1967-07-18 | Westinghouse Electric Corp | Coaxial cable joint with a gas barrier |
GB1340983A (en) * | 1971-03-10 | 1973-12-19 | Siemens Ag | Superconductor cables |
DE2130692B2 (de) * | 1971-06-21 | 1978-01-12 | Linde Ag, 6200 Wiesbaden | Tieftemperaturkabel |
DE2429158A1 (de) * | 1974-06-18 | 1976-01-08 | Bbc Brown Boveri & Cie | Vollgekapselte hochspannungsschaltanlage |
US3902000A (en) * | 1974-11-12 | 1975-08-26 | Us Energy | Termination for superconducting power transmission systems |
US4053700A (en) * | 1975-06-06 | 1977-10-11 | Westinghouse Electric Corporation | Coupling flex-plate construction for gas-insulated transmission lines |
FR2455378A1 (fr) * | 1979-04-23 | 1980-11-21 | Alsthom Cgee | Jeu de barres de poste a haute tension |
US4370511A (en) * | 1981-03-17 | 1983-01-25 | Westinghouse Electric Corp. | Flexible gas insulated transmission line having regions of reduced electric field |
EP0115089B1 (de) * | 1983-01-27 | 1987-01-07 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Kühlbares elektrisches Bauteil |
IT1277740B1 (it) * | 1995-12-28 | 1997-11-12 | Pirelli Cavi S P A Ora Pirelli | Cavo superconduttore per alta potenza |
DE19633857A1 (de) * | 1996-08-16 | 1998-02-19 | Siemens Ag | Gekapselte, gasisolierte Hochspannungsanlage mit geschottetem Verbindungsbaustein |
NZ512466A (en) * | 1998-12-24 | 2002-06-28 | Pirelli Cavi E Sistemi Spa | Electrical power transmission system using superconductors |
-
2004
- 2004-03-25 ES ES04007218T patent/ES2328477T3/es not_active Expired - Lifetime
- 2004-03-25 DE DE102004014757A patent/DE102004014757B4/de not_active Expired - Fee Related
- 2004-03-25 DE DE502004009680T patent/DE502004009680D1/de not_active Expired - Lifetime
- 2004-03-25 EP EP04007218A patent/EP1465285B1/de not_active Expired - Fee Related
- 2004-03-31 JP JP2004105658A patent/JP2004312003A/ja active Pending
- 2004-04-01 US US10/814,131 patent/US7009103B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946141A (en) * | 1973-10-24 | 1976-03-23 | Siemens Aktiengesellschaft | Cooling apparatus for an electric cable |
DE10108843A1 (de) * | 2000-06-05 | 2002-01-03 | Didier Werke Ag | Kühlbarer Koaxialleiter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106165264A (zh) * | 2014-04-04 | 2016-11-23 | 动态流有限责任公司 | 用于电磁机械的空心电导体 |
CN106165264B (zh) * | 2014-04-04 | 2019-05-31 | 动态流有限责任公司 | 用于电磁机械的空心电导体 |
Also Published As
Publication number | Publication date |
---|---|
DE502004009680D1 (de) | 2009-08-13 |
US20050067175A1 (en) | 2005-03-31 |
EP1465285B1 (de) | 2009-07-01 |
JP2004312003A (ja) | 2004-11-04 |
DE102004014757B4 (de) | 2007-09-06 |
DE102004014757A1 (de) | 2004-11-25 |
US7009103B2 (en) | 2006-03-07 |
ES2328477T3 (es) | 2009-11-13 |
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