EP1136340B1 - Erdungskontakt - Google Patents
Erdungskontakt Download PDFInfo
- Publication number
- EP1136340B1 EP1136340B1 EP01106770A EP01106770A EP1136340B1 EP 1136340 B1 EP1136340 B1 EP 1136340B1 EP 01106770 A EP01106770 A EP 01106770A EP 01106770 A EP01106770 A EP 01106770A EP 1136340 B1 EP1136340 B1 EP 1136340B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- cover
- earthing terminal
- terminal according
- washer
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 32
- 239000012777 electrically insulating material Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910000906 Bronze Inorganic materials 0.000 claims description 2
- 229920001875 Ebonite Polymers 0.000 claims description 2
- 239000010974 bronze Substances 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/20—Details
- B61F15/28—Axle-boxes modified to ensure electrical conductivity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/64—Devices for uninterrupted current collection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
Definitions
- the invention relates to a ground contact for the transmission of currents between stationary vehicle parts of an electrically driven vehicle, in particular intended for rail transport, and its rotating axle, preferably with earth contact existing coaxial with its central axis extending central recess, comprising an indirectly or directly outgoing from the wheel axle preferably the recess covering contact disc, one with the stationary vehicle part as bearing housing associated cover, of which a contact disc remote lying a collar having contact element such as carbon brush goes out, and a pressure as spring element, through which the contact element and the contact disc kraftbeaufschlagt interact with each other, wherein the pressure element from the cover and from the central axis the wheel axle penetrated or coaxially force this surrounding contact element in the direction of the contact disc.
- Working currents of electrically operated vehicles can be transmitted via axle shafts and axle wheels be returned to the rail and thus to the energy source.
- the transmission of the fixed vehicle parts on the rotating axles takes place with special power bridges, commonly referred to as return current / ground contacts.
- the bearings of axles can be in the emergency power or noise circuit.
- To the former To protect against passage of electricity and thus against destruction, must the return current / ground contact form a low-resistance bridge.
- Residual current / earthing contacts should be used in all operating situations of the vehicle and secure electrical connection between the reverse current ground terminal on the vehicle and establish the wheel axle on a defined current path.
- a carbon brush trained contact element on a contact disk which in turn over, for example a flange is connected to the wheel axle.
- the contact disc can be made of steel or Consist of carbon.
- Known earthing contacts whose main tasks are transfer of Working current, transmission of signal current and vehicle or protective ground are the DE-OS 1 953 043, DE 41 27 336 A1 or DE 92 10 799 U1.
- a grounding contact for external rail vehicles is known as "MONAX" and sold by the Applicant.
- MONAX A grounding contact for external rail vehicles.
- the axis insert itself is slightly wobbling a pressure part stored, the telescopic movement of the pressure part in the axial Direction is limited by a stop.
- Front side on the pressure part is the contact disc mounted and secured by a tension pin against rotation. The contact disc itself is electrically connected via a power cable with the axle insert.
- a grounding contact of the type mentioned above can be found in DE-B-1 229 577, at the guide pins are provided for adjusting a carbon brush, of a plate go out, which is bolted to the carbon brush.
- the present invention is based on the problem, a grounding contact of the above so-called type so that a simplification of the structure and a hassle-free Maintenance is made possible without changes to the height itself must be made. At the same time it should be ensured that jerky movements such as beating be damped the contact element. Also, make sure that the contact element can not be worn to the extent that damage to the contact disc occurs.
- the invention essentially provides that the contact element slidably received by a disc-shaped guide extending from the cover is and that the contact disc remote collar of the contact element with respect to the leadership a stop is.
- the pressure element as preferably helical compression spring is of the central recess of the axis in the preferably designed as a cover of the cover Ground contact relocated, whereby a simple maintenance is possible. In case of a Maintenance is now only required that the cover is removed. In which conventional MONAX ground contact, in contrast, had to remove the cover and pulling out the axle insert also connected to the wheel axle strands be solved.
- the contact element can be force-fed centrally by the pressure and spring element so that a homogenization of the pressure transfer and thus also the wear of the contact element or the contact discs is given.
- existing guide is preferably a those made of rubber material, which do not dampen shocks and in the axial direction leads more to a forced operation of the contact element. This ensures that the Contact element due to the application of force over the entire surface of the contact disc is applied.
- the contact element such as carbon brush is preferably cuboid, so that the guide corresponds to the cross-sectional geometry of the contact element Recess as a rectangular recess, whereby an anti-rotation given the contact element.
- the contact disc forehead area waistband Due to the outgoing from the contact disc forehead area waistband results an assembly aid that ensures that the carbon brush is not pushed through the guide become.
- the covenant serves as a limitation of wear, so that it is ensured that the contact element such as carbon brush does not wear out to an extent can be that the pressed in power ropes directly with the contact disc get in touch.
- the contact element has contact surface side at least one recess such as Slit on, so that abrasion can be carried away without the desired flat Contact between contact element and contact disc is impaired by abrasion.
- the spring element is preferably a helical compression spring opposite the contact element is electrically isolated, in particular in a central of the Center axis interspersed recess of the contact element rests, the bottom one having electrically insulating insert or is designed as such, wherein the insert Support for the spring element itself.
- a projection protrudes from the spring element is surrounded.
- the cover is over the fixed housing part as bearing housing on one off electrically insulating material existing ring spaced, which ensures that defined current paths flow; because the contact element as the carbon brush is on the one hand via the guide and on the other hand via the serving as a support for the spring element Insert electrically isolated from the cover, so that the power is exclusively over the outgoing from the contact element strands flows. It is therefore a ground contact available, which forms a low-impedance current bridge.
- the contact disc via a centrally passing through this Fastener with the axis or the central recess covering intermediate disc element is connected and that the contact element is aligned with the fastener aligned and this spaced surrounding recess as through hole having.
- the cover should be like cup-shaped cover element on the sealing ring passing fasteners such as screws to the stationary vehicle part such as Bearing housing to be connected, wherein the fastening elements in each case with respect to the Cover are electrically isolated. It is envisaged that between the cover and the fastening element made of an electrically insulating material socket runs. This measure also ensures that a desired defined current flow is ensured.
- the earth contact according to the invention preferably consists of two preassembled units, one of which is the contact disc and the other the cover with the Spring element and the contact element comprises. Furthermore, the intermediate ring itself part of the be the cover comprehensive unit.
- contact element preferably made of carbon and / or the contact plate at least contact element side also made of carbon or contains this, so that can Contact element also made of bronze graphite and / or the contact plate made of steel material.
- the basic structure of a grounding contact 10 is in particular intended for external rail vehicles with a current flow to preferably 300 A shown.
- a ground contact 10 is a defined current flow between an axle 12 and a stationary housing part such as bearing housing 14 of an electric driven vehicle done.
- the axis 12 has one of the central axis 16 penetrated central recess 18, which is referred to as an intermediate plate Cover 20 is closed, from which in turn a contact plate 22 goes out, the Carbon material or this containing or may for example consist of steel.
- cover 24 With the bearing housing 14 is a cover 24 via fasteners such as screws 26 detachably connected.
- the cover 24 - hereinafter called cover - has a mounted ground contact 10 of the central axis 16 interspersed inner projection 28th on, which serves as a fixation for a pressure element such as helical compression spring 30, in turn acting on a contact element such as carbon brush 32 to this in the direction of the contact disc 22 force.
- a pressure element such as helical compression spring 30
- the carbon brush 32 is cuboid and has a contact disc remote Covenant 34 on. Further, the carbon brush 32 is made of one of, for example, hard rubber material existing disc element 36 is taken out, which can be solved with the cover 24 connected is.
- the guide 36 thus has a recess, the cross-sectional geometry the carbon brush 32 corresponds. Due to the geometry of the carbon brush 32 conditions offers the guide 36 at the same time a rotation.
- the carbon brush 32 further includes a central bore 38 which is of the reference on the contact disc 22 remote end face 40 of the carbon brush 32 goes out.
- base side is the bore 38 by an insert made of electrically insulating material Covered 40, which serves as a support for the helical compression spring 30. Consequently, this is electrically insulated from the carbon brush 32.
- the lid 24 has an inner circumferential cylindrical portion 42 which is of a consisting of electrically insulating material intermediate ring 44 is surrounded, the is penetrated by the screws 26. These are furthermore in the area of the lid 24 surrounded by a Isolierbuchse 46. This ensures that the lid 24 opposite the bearing housing 14 is electrically isolated.
- connection lug 52 which is electrically conductive connected to the vehicle part grounding wires to defined current paths manufacture.
- the carbon brush 32 has contact surfaces side slits 54 (Fig. 3), due to abrasion Dust can be derived. As a result, the desired surface contact is always between the contact disc 22 and the carbon brush 32 is ensured, which in turn the desired low-resistance transition is ensured.
- the contact disk 22 with the intermediate disk element 20 is preferably connected via a screw 56 which extends along the central axis 16 of the wheel axle 12.
- the contact element or the carbon brush 32 further has a through hole 60 through which it is ensured that regardless of the abrasion of the carbon brush 32 this by the Contact disc 22 locking fastener 56 is not damaged.
- the grounding contact 10 consists of two preassembled units, one of which Contact disc 22 optionally with the washer 20 and the other the lid 24th with helical compression spring 30, guide 36 and carbon brush 32 includes. If necessary, can the ring 44 will be part of the unit. In other words, they each exist Units on the one hand from the rotating and on the other hand from the standing components of the Ground contact 10.
- materials for the carbon brush 32 are, for example, carbon or copper graphite and for the contact disc 32 the same materials or steel in question.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elimination Of Static Electricity (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Motor Or Generator Frames (AREA)
- Contacts (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Description
- Fig. 1
- eine Draufsicht auf einen erfindungsgemäßen Erdungskontakt,
- Fig. 2
- einen Schnitt entlang der Linie A-A in Fig. 1 und
- Fig. 3
- eine Ansicht in Richtung des in dem Erdungskontakt vorhandenen Kontaktelementes.
Claims (11)
- Erdungskontakt (10) zur Übertragung von Strömen zwischen feststehenden Fahrzeugiellen (14) eines elektrisch angetriebenen Fahrzeuges, insbesondere bestimmt für den Schienennahverkehr, und dessen drehender Radachse (12), vorzugsweise mit erdungskontaktseitig vorhandener koaxial zu ihrer Mittelachse (16) verlaufender zentraler Ausnehmung (18), umfassend eine mittelbar oder unmittelbar von der Radachse (12) ausgehende vorzugsweise die Ausnehmung abdeckende Kontaktscheibe (22), ein mit dem feststehenden Fahrzeugteil wie Lagergehäuse verbundene Abdeckung (24), von der ein kontaktscheibenfernliegend einen Bund (34) aufweisendes Kontaktelement (32) wie Kohlebürste ausgeht, sowie ein Druckelement wie Federelement (30), durch das das Kontaktelement und die Kontaktscheibe kraftbeaufschlagt miteinander wechselwirken, wobei das Druckelement von der Abdeckung ausgeht und das von der Mittelachse (16) der Radachse durchsetzte oder koaxial diese umgebende Kontaktelement in Richtung der Kontaktscheibe kraftbeaufschlagt,
dadurch gekennzeichnet, dass das Kontaktelement (32) von einer von der Abdeckung (24) ausgehenden scheibenförmigen Führung (36) gleitend aufgenommen ist und dass der kontaktscheibenfernliegende Bund (34) des Kontaktelementes in Bezug auf die Führung ein Anschlag ist. - Erdungskontakt nach Anspruch 1,
dadurch gekennzeichnet, dass das vorzugsweise eine Quaderform aufweisende Kontaktelement (32) kontaktflächenseitig zumindest eine Aussparung wie Schlitz (54) aufweist. - Erdungskontakt nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass das Druckelement wie Schraubendruckfeder (30) gegenüber dem Kontaktelement (32) elektrisch isoliert ist und sich insbesondere in einer zentralen von der Mittelachse (16) durchsetzten Aussparung (38) abstützt, die bodenseitig einen elektrisch isolierenden Einsatz (40) aufweist oder als solcher ausgebildet ist, wobei der Einsatz Abstützung für das Druckelement ist. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Druckelement (30) einen innenseitig von der Abdeckung (24), vorzugsweise mittig verlaufenden Vorsprung (28) als Fixierung zumindest bereichsweise umgibt. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die von dem Kontaktelement (32) durchsetzte scheibenförmige Führung (36) aus elektrisch isolierendem Material wie Hartgummi besteht und nicht zwingend eine axiale Führung für das Kontaktelement darstellt. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Abdeckung (24) gegenüber dem feststehenden Gehäuseteil (14) über ein aus elektrisch isolierendem Material bestehenden Ring (44) beabstandet ist. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Kontatkscheibe (22) über ein mittig diese durchsetzendes Befestigungselement (56) mit die Achse (12) bzw. die zentrale Ausnehmung (18) abdeckendem Zwischenscheibenelement (20) verbunden ist und dass das Kontaktelement (32) eine fluchtend auf das Befestigungselement ausgerichtete und dieses beabstandet umgebende Aussparung (60) wie Durchgangsloch aufweist, wobei insbesondere die Kontaktscheibe (22) gegenüber dem mit der Achse (12) verbundenen wie verschraubten Zwischenscheibenelement (20) verdrehgesichert ist. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Abdeckung (24) wie schalenförmiges Deckelelement über den Zwischenring (44) durchsetzende Befestigungselemente wie Schrauben (26) mit dem feststehenden Fahrzeugteil (14) wie Lagergehäuse verbunden ist, wobei die Befestigungselemente gegenüber der Abdeckung elektrisch isoliert sind. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass zwischen der Abdeckung (24) und dem Befestigungselement (26) eine aus elektrisch isolierendem Material bestehende Buchse (46) verläuft. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Erdungskontakt (10) aus einer zwei Teile umfassenden vormontierten Einheit besteht, von denen das eine die Kontaktscheibe (22) und das andere die Abdeckung (24) mit dem Druckelement (30) und dem Kontaktelement (32) umfassen. - Erdungskontakt nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Kontaktelement (32) und/oder die Kontaktscheibe (22) aus Kohlenstoff bestehen oder dieses enthalten und/oder dass das Kontaktelement (32) aus Bronzegraphit und/oder die Kontaktscheibe (22) aus Stahl bestehen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10013491 | 2000-03-20 | ||
| DE10013491A DE10013491C2 (de) | 2000-03-20 | 2000-03-20 | Erdungskontakt |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1136340A2 EP1136340A2 (de) | 2001-09-26 |
| EP1136340A3 EP1136340A3 (de) | 2003-08-27 |
| EP1136340B1 true EP1136340B1 (de) | 2005-05-18 |
Family
ID=7635435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01106770A Expired - Lifetime EP1136340B1 (de) | 2000-03-20 | 2001-03-17 | Erdungskontakt |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1136340B1 (de) |
| AT (1) | ATE295796T1 (de) |
| DE (2) | DE10013491C2 (de) |
| ES (1) | ES2242670T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013030615A1 (en) | 2011-08-26 | 2013-03-07 | Aktiebolaget Skf | Assembly with rotating parts with conductive fluid for earth return |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004025665B4 (de) * | 2004-05-26 | 2006-07-13 | Mtu Friedrichshafen Gmbh | Stromabnehmer für eine Brennkraftmaschine |
| CN102189997A (zh) * | 2010-03-12 | 2011-09-21 | 永济新时速电机电器有限责任公司 | 防雷整车及轨道车 |
| DE102010039847A1 (de) | 2010-08-26 | 2012-03-01 | Schunk Bahn- Und Industrietechnik Gmbh | Erdungskontakt |
| DE102011017533A1 (de) * | 2011-04-26 | 2012-10-31 | Robert Bosch Gmbh | Bürstenanordnung in einer Kommutatoreneinrichtung in einer elektrischen Maschine |
| PL2724913T3 (pl) * | 2012-10-26 | 2019-07-31 | Ateliers Hubert Gerken | Urządzenie do zawracania prądu dla pojazdów szynowych |
| BE1020567A3 (fr) * | 2012-12-24 | 2013-12-03 | Hubert Gerken Atel | Dispositif de retour de courant pour vehicules ferroviares. |
| DE102017209340B4 (de) * | 2017-06-01 | 2022-12-15 | Schunk Carbon Technology Gmbh | Ableitvorrichtung zur Ableitung elektrischer Ströme |
| DE102017113911B4 (de) * | 2017-06-23 | 2022-03-24 | Stemmann-Technik Gmbh | Erdungskontakt |
| DE102019206880A1 (de) * | 2018-06-14 | 2019-12-19 | Robert Bosch Gmbh | Elektrische Maschine mit einer Antriebswelle und einer Erdungseinrichtung zur elektrischen Erdung der Antriebswelle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH106070A (de) * | 1923-08-13 | 1924-08-01 | Kugellagerwerke J Schmid Roost | Stromrückleitungseinrichtung an elektrischen Bahnmotorwagen mit Kugel- oder Rollenlagern. |
| DE1229577B (de) * | 1962-05-08 | 1966-12-01 | Schunk & Ebe Gmbh | Erdungskontakt fuer Achslager von elektrischen Schienentriebfahrzeugen |
| DE1970569U (de) * | 1964-12-12 | 1967-10-19 | Max Frost Maschinen Und Appbau | Erdungskontakt zur elektrischen ueberbrueckung der achslagerung von schienenfahrzeugen. |
| DE1286071B (de) * | 1965-03-16 | 1969-01-02 | Max Frost Maschinen U Appbau | Erdungskontakt zur elektrischen UEberbrueckung der Achslagerung von Schienenfahrzeugen |
| FR1594731A (de) * | 1968-10-22 | 1970-06-08 | ||
| DE4127336A1 (de) * | 1991-08-19 | 1993-02-25 | Schunk Metall & Kunststoff | Haltevorrichtung fuer an schienenfahrzeugen als rueckstrom- und/oder erdungskontakt eingesetzte buersten und verfahren zur herstellung einer solchen haltevorrichtung |
| DE4223243A1 (de) * | 1992-07-15 | 1994-01-20 | Duewag Ag | Geerdete Radlagerung eines Schienenfahrzeuges |
| DE9210799U1 (de) * | 1992-08-13 | 1992-12-03 | Schunk Metall Und Kunststoff Gmbh, 6301 Wettenberg | Erdungskontakt |
-
2000
- 2000-03-20 DE DE10013491A patent/DE10013491C2/de not_active Expired - Fee Related
-
2001
- 2001-03-17 AT AT01106770T patent/ATE295796T1/de active
- 2001-03-17 DE DE50106235T patent/DE50106235D1/de not_active Expired - Lifetime
- 2001-03-17 ES ES01106770T patent/ES2242670T3/es not_active Expired - Lifetime
- 2001-03-17 EP EP01106770A patent/EP1136340B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013030615A1 (en) | 2011-08-26 | 2013-03-07 | Aktiebolaget Skf | Assembly with rotating parts with conductive fluid for earth return |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10013491C2 (de) | 2002-10-24 |
| EP1136340A3 (de) | 2003-08-27 |
| EP1136340A2 (de) | 2001-09-26 |
| ES2242670T3 (es) | 2005-11-16 |
| DE50106235D1 (de) | 2005-06-23 |
| DE10013491A1 (de) | 2001-10-18 |
| ATE295796T1 (de) | 2005-06-15 |
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