CN104661852A - Pick up device for modular self insulated supply line - Google Patents
Pick up device for modular self insulated supply line Download PDFInfo
- Publication number
- CN104661852A CN104661852A CN201380045504.9A CN201380045504A CN104661852A CN 104661852 A CN104661852 A CN 104661852A CN 201380045504 A CN201380045504 A CN 201380045504A CN 104661852 A CN104661852 A CN 104661852A
- Authority
- CN
- China
- Prior art keywords
- magnet
- closure member
- permanent magnet
- pick device
- conductive element
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/42—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from individual contact pieces connected to the power supply line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/02—Details
- B60M1/10—Arrangements for energising and de-energising power line sections using magnetic actuation by the passing vehicle
- B60M1/103—Arrangements for energising and de-energising power line sections using magnetic actuation by the passing vehicle by vehicle-borne magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
Abstract
A pick up device for a self insulated supply line for vehicles wherein a magnetically attracted flexible tape element (7) accommodated in an insulating enclosure (3) provides in a sequence the supply to a plurality of conductive elements (10) spaced from one another and outside the enclosure (3). The pick up device (1) comprises a first (18) and a second (19) permanent magnet spaced (dl) from each other along a longitudinal axis D of the enclosure and forming a first pair of magnets (20a) arranged at a first end of the enclosure; a third (22) and a fourth permanent magnet (23) spaced (d2) from each other along axis D and forming a second pair of magnets (20b) arranged at a second end of the enclosure; and a pair of elongated sliding contacts (32, 33) carried by the enclosure and extending between the first and the second pair of magnets.
Description
Technical field
The present invention relates to a kind of for the pick device of modularization from insulation flow wire.
Background technology
Patent EP-B-0761493 describes a kind of modularization flow wire, and wherein, each module includes the elongated closure member be made up of insulating material, and this closure member defines the inner chamber extended along rectilinear direction.Insulator seal closing member is in use suitable for being embedded in road surface, wherein, the top of insulator seal closing member and road surface self coplanar.The accommodating flexible strip element of inner chamber, this flexible strip element is provided with by the multiple parts being suitable for making with the ferromagnetic material of magnetic field interaction, and the pick device that this magnetic field is carried by the vehicle (such as rolling stock) along flow wire movement produces.
Flow wire also comprises the multiple smooth conductive element carried by the top of closure member, the plurality of smooth conductive element along rectilinear direction alignment and roughly coplanar with road surface.
When the magnetic attraction not from pick device, be arranged on it for roughly straight line and in undeformable dead position with element for the whole length self of module self, and conductive element is connected to negative reference current potential (earth potential) and/or is not powered.Therefore setting themselves is automatically state of insulation when there is not magnetic and activating by flow wire.
When there is the magnetic attraction from the pick device of the vehicle through closure member, being subject to the band element portion K/UP of influence of magnetic field, thus being deformed into roughly sinusoidal waveform; The positive feeder of this jut with element in closure member inside with implement bridge-type between at least one conductive element and be electrically connected, this at least one conductive element is connected to positive feeder.The conductive element be arranged on the sidepiece of element is connected to reference potential (earth potential).
Vehicle determines the displacement of jut along inner chamber of band element relative to the displacement of closure member, thus allows the order of conductive element to power.
In fact, elec. vehicle is provided with following pick device: this pick device determines above-mentioned magnetic attraction and allows charged conductive element to be connected with providing the sliding contacting part of power supply to elec. vehicle.
European patent EP-B-0993389 describes a kind of pick device, and this pick device is suitable for connecting with the flow wire describing type in document EP-B-0761493.
Summary of the invention
The object of this invention is to provide a kind of pick device, this pick device can use together with the circuit of the type described in document EP-B-0761493, and guarantees the stronger attractive force being with element.
Above-mentioned purpose is achieved by following the present invention, the present invention relates to a kind of for the pick device from insulation flow wire, wherein, the flexible strip element being provided with the part be made up of ferromagnetic material is contained in the elongated chamber that obtains in insulation protection closure member, and can move between low spare space and high active position after magnetic attraction with element, in high active position, a part with element defines electric bridge, thus allow the outside that is positioned at described closure member, the power supply of at least one conductive element in multiple conductive element that this closure member is spaced apart from each other, multiple conductive element is supplied with electricity according to priority after the variant part displacement of described band element, described pick device comprises the elongated closure member of axis D along the longitudinal, this elongated closure member is equipped with magnetic attraction device and the pickup device being suitable for being arranged to contact with at least one smooth conductive element described, it is characterized in that, described magnetic attraction device comprises:
-the first permanent magnet and the second permanent magnet, this first permanent magnet and the second permanent magnet are spaced apart from each other (d1) along described direction D, and form the pair of parellel magnet being arranged on the first end place of described elongated closure member, wherein, pair of parellel magnet has the contrary polarity of the same side towards closure member, and wherein said same side is to described smooth conductive element;
-three permanent magnet and the 4th permanent magnet, 3rd permanent magnet and the 4th permanent magnet are spaced apart from each other along described axis D, and form the second couple magnet being side by side arranged on the second end place of described elongated closure member, wherein, second pair side by side magnet there is the contrary polarity of the same side towards closure member, wherein said same side is to described smooth conductive element;
5th permanent magnet (25), the 5th permanent magnet (25) extends between pair of magnets (20a) and second pair of magnet (20b) along described longitudinal axis D;
Described pickup device comprises at least one elongated sliding contacting part, and this at least one elongated sliding contacting part is carried by described closure member and extends between pair of magnets and second pair of magnet along described axis D.
Accompanying drawing explanation
Now with reference to the drawing in accompanying drawing, present invention is described, and accompanying drawing shows the preferred embodiment of the present invention, wherein:
Fig. 1 shows the lateral plan according to pick device of the invention process;
Fig. 2 shows the birds-eye view of the pick device in Fig. 1;
Fig. 3 shows the upward view of the pick device in Fig. 1;
Fig. 4 shows the lateral plan (two lateral plans are identical) of the pick device in Fig. 1;
Fig. 5 shows the view of the pick device intercepted according to the plane V in Fig. 1-V;
Fig. 6 shows the view of the pick device intercepted according to the plane VI in Fig. 2-VI; And
Fig. 7 shows the pick device described in the Fig. 1 to Fig. 6 used together with the flow wire that insulate with modularization.
Detailed description of the invention
In Fig. 1 to Fig. 6, Reference numeral 1 indicates the pick device be used for from insulation flow wire 2 (roughly illustrating in the figure 7) on the whole.
Flow wire 2 is known type, such as, type for describing in document EP-B-0761493.
For this reason, roughly will describe flow wire 2.
Especially, flow wire 2 comprises the multiple modules (showing individual module for the sake of simplicity) be coupled to each other.Each module includes elongated closure member 3 that be made up of insulating material, that define the inner chamber 5 extended along rectilinear direction D.
Insulator seal closing member 3 is in use suitable for being embedded in road surface 6, wherein, the top 3-up of insulator seal closing member 3 and road surface 6 self coplanar.
The accommodating flexible strip element 7 of inner chamber 5, this flexible strip element 7 is provided with the multiple parts be made up of ferromagnetic material 8, ferromagnetic material 8 be suitable for by the vehicle 9 (rolling stock of such as movement in orbit, not shown) pick device produce magnetic field interaction, wherein, this pick device has the feature that will hereinafter be described.
Flow wire 2 comprises the multiple smooth conductive element 10 carried by the top 3-up of closure member 3, the plurality of smooth conductive element 10 along direction D align and coplanar with road surface 6.
When there is no magnetic attraction, be arranged on it for roughly straight line and in undeformable dead position with element 7 for the whole length self of module self, and conductive element 10 is connected to negative reference current potential (earth potential) and/or is not powered.
When there is the magnetic attraction from the pick device of the vehicle through closure member 3, band element portion 7 K/UP affected by magnetic fields, thus be deformed into roughly sinusoidal waveform; The positive feeder of this jut 7-up with element 7 in closure member 3 inside with implement bridge-type between at least one conductive element 10-p and be electrically connected, this at least one conductive element 10-p is connected to positive feeder 11.The conductive element 10 be arranged on the sidepiece of element 10-p is connected to reference potential (earth potential).
Vehicle 9 determines the displacement of jut 7-up along inner chamber 5 of band element 7 relative to the displacement of closure member 3, thus allows the order of conductive element 10 to power.
In fact, elec. vehicle 9 is provided with pick device 1, and this pick device 1 determines above-mentioned magnetic attraction and allows charged conductive element 10-p to provide the sliding contacting part of power supply to be connected with to elec. vehicle 9.
Pick device 1 comprises the elongated parallelepiped closure member 13 of axis D along the longitudinal.This closure member 13 is made up of non-magnetic material, is made up especially of plastic material, and closure member 13 comprise be coupled to each other first on shell 14 (being shaped to parallelepiped) and the second lower casing 15 (being shaped to parallelepiped).In use, pantograph that upper shell 14 is suitable for being extended by the bottom from elec. vehicle 9 16 (for known type and therefore roughly illustrate) carrying, and lower casing 15 is suitable for towards road surface 6 and conductive element 10.
Closure member 13 is accommodating:
-the first permanent magnet 18 and the second permanent magnet 19, this first permanent magnet 18 and the second permanent magnet 19 along the longitudinal axis D are spaced apart from each other with distance d1, and the first permanent magnet 18 and the second permanent magnet 19 define the pair of parellel magnet 20a at the first end 13a place being arranged on closure member 13;
– the 3rd permanent magnet 22 and the 4th permanent magnet 23,3rd permanent magnet 22 and the 4th permanent magnet 23 along the longitudinal axis D are spaced apart from each other with distance d2 (width d2=d1), and the 3rd permanent magnet 22 and the 4th permanent magnet 23 define the second couple magnet 20b side by side at the second end 13b place being arranged on closure member 13;
– the 5th permanent magnet 25 (alternatively), the 5th permanent magnet 25 extends between first couple of 20a and second couple 20b and axis D launches along the longitudinal.
First magnet 18, second magnet 19, the 3rd magnet 22 and the 4th magnet 23 are shaped to parallelepiped, wherein, longer lateral edges is arranged to and longitudinal axis D lateral cross, and the 5th magnet 25 is shaped to parallelepiped, wherein, longer lateral edges is arranged to parallel with longitudinal axis D.
Parallelepiped magnet 18 and 19 (Fig. 1) have towards closure member 13 same first sidepiece 13f's and form corresponding first tabular surface 18f and 19f of opposite polarity N pole and S pole; Correspondingly, magnet 18 and 19 (Fig. 1) have towards same second sidepiece contrary to the first sidepiece 13f 13g's and be formed with second corresponding tabular surface 18g and 19g of opposite polarity S pole and N pole.
Parallelepiped magnet 22 and 23 (Fig. 1) have towards closure member 13 the first sidepiece 13f's and form corresponding first tabular surface 22f and 23f of opposite polarity N pole and S pole; Correspondingly, magnet 22 and 23 (Fig. 1) has corresponding second tabular surface 22g and 23g towards same second sidepiece 13g, and this second tabular surface 22g and 23g is formed with contrary polarity S pole and N pole.
Each magnet 18,19,22 and 23 is all contained in corresponding chamber (in order to describe simple for the purpose of, these chambeies are not indicated with Reference numeral), these chambeies have magnet 18,19,22 and 23 is stably positioned at closure member 13 by the size roughly corresponding to magnet inside with permission.Similar explanation is applicable to the 5th magnet 25.
Easily, above-mentioned permanent magnet 18,19,22 and 23 can be implemented (such as 4 pieces) by the bag of magnet block side by side.
Equally, the 5th magnet 25 can comprise on the plate (not shown) that is fixed to and is made up of ferromagnetic material one group magnet block (such as, 12 pieces) side by side.
Chamber is formed by being coupled to each other by shell 14 and 15; For this reason, in order to touch magnet, need shell 14 and 15 is separated from each other (connection between shell 14 and 15/separately implemented by the simple mechanism of such as screw and so on).
Lower casing 15 comprises smooth substrate rectangular wall 27 (Fig. 1), and this smooth substrate rectangular wall 27 externally defines face 13f, and protection face 18f, 19f, 22f and 23f and magnet 25.Smooth substrate wall 27 has---at magnet place---and consistent thickness, and be arranged in use towards road surface 6 and conductive element 10.
Closure member 13 forms the first elongated lower bottom base 30 and the second elongated lower bottom base 31, and this first elongated lower bottom base 30 and the second elongated lower bottom base 31 to be opened on flat base wall 27 and to be arranged on the relative both sides place of the 5th permanent magnet 25.Each lower bottom base 30 and 31 all has square-section, and wherein, longer sidepiece is parallel with longitudinal axis D.Base 30,31 also has identical size.
The accommodating corresponding sliding contacting part 32,33 of each base 30,31, this sliding contacting part 32,33 is by corresponding elastic damping device 34 (known type and be therefore not described in detail) carrying and protruded past the plane (Fig. 1) of face 13f by the stretching, extension of bottom base 30,31.
Elastic damping part 34 allows the limited relative motion along the direction H transverse to longitudinal axis D.
Sliding contacting part 30,31 is shaped to parallelepiped, and wherein, longer sidepiece is parallel with longitudinal axis D and be arranged on relative to axis 5 on the two opposite sides of the 5th magnet 25.Sliding contacting part 32,33 is made up of conductive metal material and is connected with corresponding electrical conductivity cable (for simplicity not shown), and this electrical conductivity cable extends to elec. vehicle 9 from pick device 1 and allows the power supply of the driving engine of vehicle 9.
Smooth substrate wall 27 (Fig. 3) has in the entire length of smooth substrate diapire 27 along the square-section longitudinal fluting 36 that smooth substrate diapire 27 extends on its face towards the outside of pick device.
In use, himself is arranged on electric wire 2 by elec. vehicle 9, and wherein pick device 1 is towards conductive element 10.Pick device 1 is lowered, until diapire 27 is shelved on road surface 6.
In this position, magnet 18,19,22 and 23 is very near the band element being included in closure member 3 inside; The magnetic field line extended between the N pole and S pole of often couple of magnet 20a, 20b closes through being with the rising of element and bending thus be deformed into wavy appropriate section 7-up-sx and 7-up-dx.The use of two couples of opposed magnet 20a, 20b allows to apply symmetrical and stronger attractive force on 7-up-sx and 7-up-dx, thus it is completely closed to guarantee that above-mentioned bridge-type connects.
Himself is arranged to contact with the conductive element 10p being connected to electric wire 11 by sliding contacting part 32,33, thus permission can relative to the power supply of the driving engine of the elec. vehicle 9 of closure member 3 movement under the thrust of the driving engine of elec. vehicle 9.
Vehicle 9 makes to be with the different piece of element 7 to be upwards out of shape relative to the change of the relative position of closure member 3, and therefore, first charged conductive element is disconnected, and the conductive element 10 be adjacent is connected to line 11.Therefore conductive element 10 is powered in order after the variant part displacement of the band element of closure member inside.
Due to above-mentioned setting, charged conductive element 10 is always covered by closure member 13, and this closure member has following size: the conductive element covering power supply; Because this ensure that the safety and preventing of line contacts with any unexpected of charged conductive element 10.
When wall 27 weares and teares due to friction, wall 27 can be replaced by upper shell 14 and lower casing 15 being separated and change lower casing 15.Therefore, do not need to replace whole closure member 13.
Claims (12)
1. the pick device from insulation flow wire for vehicle, wherein, the flexible strip element (7) being provided with the part (8) be made up of ferromagnetic material is contained in the interior elongated chamber (5) obtained of insulation protection closure member (3), and described flexible strip element (7) can move after magnetic attraction between low spare space and high active position, in described high active position, a part for described band element (7) forms electric bridge, thus allow to be arranged in described closure member outside and belong to the power supply of at least one conductive element (10-p) of the multiple conductive element (10) be spaced apart from each other along identical closure member, after the variant part displacement of described band element, described multiple conductive element (10) is supplied with electricity in order, described pick device comprises the elongated closure member (13) of axis D along the longitudinal, described elongated closure member (13) is equipped with magnetic attraction device (18, 19, 22, 23, 25) and pickup device (32, 33), described pickup device (32, 33) be suitable for being arranged to contact with at least one smooth conductive element (10p) described,
It is characterized in that, described magnetic attraction device comprises:
-the first permanent magnet (18) and the second permanent magnet (19), described first permanent magnet (18) and described second permanent magnet (19) are spaced apart from each other (d1) along described direction D, and form the pair of parellel magnet (20a) being arranged on first end (13a) place of described elongated closure member, wherein, described pair of parellel magnet (20a) has the contrary polarity (N, S) of the same side (13f) in the face of described smooth conductive element (10) towards described closure member;
-three permanent magnet (22) and the 4th permanent magnet (23), described 3rd permanent magnet (22) and described 4th permanent magnet (23) are spaced apart from each other (d2) along described axis D, and form the second couple magnet (20b) being side by side arranged on the second end (13b) place of described elongated closure member (13), wherein, the described second contrary polarity (N, S) magnet (20b) side by side to the described same side in the face of described smooth conductive element (10) towards described closure member;
5th permanent magnet (25), described 5th permanent magnet (25) extends between described pair of magnets (20a) and described second pair of magnet (20b) along described longitudinal axis D;
Described pickup device comprises at least one elongated sliding contacting part (32,33), and described at least one elongated sliding contacting part (32,33) is carried by described closure member (13) and extends between described pair of magnets (20a) and described second pair of magnet (20b) along described axis D.
2. pick device according to claim 1, wherein, described closure member is provided with the inner chamber for accommodating described permanent magnet (18,19,22,23,25), and described permanent magnet (18,19,22,23,25) has the corresponding face (18f, 19f, 22f, 23f, 25) covered by the flat base wall (27) with thickness of described closure member; Described diapire in use towards described smooth conducting piece (10) so that the constant distance between the laying surface keeping described permanent magnet and described smooth conductive element.
3. pick device according to claim 2, wherein, described closure member comprises the first shell (14) and second housing (15), described second housing (15) can be connected with described first shell (14) the described chamber forming accommodating described magnet, and described second housing (15) defines described diapire; Also be provided with the device being suitable for allowing described second housing to separate with described first shell.
4. according to pick device in any one of the preceding claims wherein, wherein, described elongated closure member (13) is shaped to parallelepiped.
5. according to pick device in any one of the preceding claims wherein, wherein, described elongated closure member (13) is made up of non-magnetic insulating material, is made up especially of plastic material.
6. according to pick device in any one of the preceding claims wherein, wherein, the distance d1 along described axis D between described first magnet (18) and described second magnet (19) equals the distance d2 along described axis D between described 3rd magnet (22) and described 4th magnet (23).
7. according to pick device in any one of the preceding claims wherein, wherein, described magnet (18,19,22,23,25) is shaped to parallelepiped.
8. pick device according to claim 2, wherein, described smooth diapire (27) has longitudinal fluting on its face towards the outside of described pick device, and described longitudinal fluting extends in the whole length of described smooth diapire along described smooth diapire.
9. pick device according to claim 8, wherein, described groove has rectangle lengthwise cross section.
10. pick device according to claim 1, wherein, described pickup device at least comprises the first elongated sliding contacting part (32) and the second elongated sliding contacting part (33), and described first elongated sliding contacting part (32) and described second elongated sliding contacting part (33) are arranged on the contrary both sides place of described 5th magnet (25).
11. according to pick device in any one of the preceding claims wherein, wherein, damping arrangement (34) is arranged to be plugged between described closure member and described sliding contacting part, and described damping arrangement (34) is suitable for allowing the relative motion along the direction H transverse to described longitudinal axis D.
12. according to pick device in any one of the preceding claims wherein, and wherein, described insulator seal closing member has the size of the conductive element that covering is powered to guarantee line security and to prevent from contacting with any unexpected of the conductive element be powered.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000745A ITTO20120745A1 (en) | 2012-08-29 | 2012-08-29 | CURRENT CAPACTER FOR MODULAR ELECTRIC POWER SUPPLY LINE ISOLATED |
| ITTO2012A000745 | 2012-08-29 | ||
| PCT/IB2013/058123 WO2014033663A2 (en) | 2012-08-29 | 2013-08-29 | Pick up device for modular self insulated supply line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104661852A true CN104661852A (en) | 2015-05-27 |
| CN104661852B CN104661852B (en) | 2017-03-01 |
Family
ID=47018384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380045504.9A Active CN104661852B (en) | 2012-08-29 | 2013-08-29 | Pick device for the self-insulating feed line of modularity |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104661852B (en) |
| IT (1) | ITTO20120745A1 (en) |
| WO (1) | WO2014033663A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725218A (en) * | 2018-08-06 | 2018-11-02 | 南宁市赛先生科技开发有限公司 | A kind of electric vehicle and matching used road surface contact are for electric installation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US519291A (en) * | 1894-05-01 | William b | ||
| US777124A (en) * | 1904-07-28 | 1904-12-13 | James M Morgan | Magnet-contact for propulsion of cars. |
| DE1011914B (en) * | 1952-02-12 | 1957-07-11 | Ludwig Reinhardt | Power supply with partial conductors for electric trains and vehicles of all kinds |
| FR1151382A (en) * | 1955-06-22 | 1958-01-29 | System for the power supply of electric railways by third rail | |
| EP0761493A1 (en) * | 1995-08-22 | 1997-03-12 | ANSALDO TRASPORTI S.p.A. | Supply line for an electric vehicle and transport system using it |
| CN102232140A (en) * | 2008-08-22 | 2011-11-02 | 安萨尔多信号和交通系统有限公司 | Ventilation system for railway tunnels |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU921894A1 (en) * | 1979-09-19 | 1982-04-23 | за витель (S) УСТРОЙСТВО дл ЭНЕРГОСНАБЖЕНИЯ ТРАНСПОРТНОГО СРЕДСТВА | Vehicle power supply apparatus |
-
2012
- 2012-08-29 IT IT000745A patent/ITTO20120745A1/en unknown
-
2013
- 2013-08-29 CN CN201380045504.9A patent/CN104661852B/en active Active
- 2013-08-29 WO PCT/IB2013/058123 patent/WO2014033663A2/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US519291A (en) * | 1894-05-01 | William b | ||
| US777124A (en) * | 1904-07-28 | 1904-12-13 | James M Morgan | Magnet-contact for propulsion of cars. |
| DE1011914B (en) * | 1952-02-12 | 1957-07-11 | Ludwig Reinhardt | Power supply with partial conductors for electric trains and vehicles of all kinds |
| FR1151382A (en) * | 1955-06-22 | 1958-01-29 | System for the power supply of electric railways by third rail | |
| EP0761493A1 (en) * | 1995-08-22 | 1997-03-12 | ANSALDO TRASPORTI S.p.A. | Supply line for an electric vehicle and transport system using it |
| CN102232140A (en) * | 2008-08-22 | 2011-11-02 | 安萨尔多信号和交通系统有限公司 | Ventilation system for railway tunnels |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725218A (en) * | 2018-08-06 | 2018-11-02 | 南宁市赛先生科技开发有限公司 | A kind of electric vehicle and matching used road surface contact are for electric installation |
| WO2020029713A1 (en) * | 2018-08-06 | 2020-02-13 | 南宁市赛先生科技开发有限公司 | Electric vehicle and road contact power supply device for use with same |
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO20120745A1 (en) | 2014-03-01 |
| WO2014033663A2 (en) | 2014-03-06 |
| CN104661852B (en) | 2017-03-01 |
| WO2014033663A3 (en) | 2014-09-04 |
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