CN105857084A - Self-lubricating floating sandwich channel type electrified railway power transmission system - Google Patents
Self-lubricating floating sandwich channel type electrified railway power transmission system Download PDFInfo
- Publication number
- CN105857084A CN105857084A CN201610307314.5A CN201610307314A CN105857084A CN 105857084 A CN105857084 A CN 105857084A CN 201610307314 A CN201610307314 A CN 201610307314A CN 105857084 A CN105857084 A CN 105857084A
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- China
- Prior art keywords
- lubricating
- self
- floating
- channel
- conductive plate
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- 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
- 238000007667 floating Methods 0.000 title claims abstract description 107
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 230000001050 lubricating effect Effects 0.000 claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052799 carbon Inorganic materials 0.000 abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000003116 impacting effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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
-
- 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
- B60M1/30—Power rails
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a self-lubricating floating sandwich channel type electrified railway power transmission system, and belongs to the technical field of contact current transmission. The system comprises two self-lubricating floating channels, a self-lubricating conducting plate and a three-dimensional supporting protective cover; the self-lubricating conducting plate is located in the three-dimensional supporting protective cover, and therefore the problem that the current-receiving quality of a railway vehicle is influenced by unfavorable natural conditions is avoided; the self-lubricating conducting plate is made of conductors such as copper, aluminum and steel, and therefore the problems of metal-impregnated carbon sliding plate impacting and block falling are avoided; in addition, due to the fact that the back sides of the two self-lubricating floating channels are both supported by springs, the impact phenomenon generated when the self-lubricating conducting plate enters the space between the two self-lubricating floating channels is avoided, the service life of a current collector is prolonged, and the driving safety is guaranteed.
Description
Technical field
The invention belongs to pick-up current transmission technique field, be specifically related to a kind of self-lubricating sandwich channel-type of floating
Electric railway transmission system.
Background technology
Along with growth and the raising of people's living standard of national economy, electric railway becomes society
Main traffic mode, it possesses transport power feature big, fireballing.But current track traffic transmission system technology
Outmoded, efficiency is low, fault is high, far from adapt to modernize track traffic development, seriously govern rail
Road traffic transport power and the raising of efficiency.
Either contact net power or conductor rail power, rail vehicle all can stretch out a carbon slipper with
The contact linear contact lay of contact net system, or with being contacted by stream interface of conductor rail system, thus obtain electricity for vehicle
Stream.Carbon slipper material mostly is metal-impregnated carbon material at present, and this kind of material is addition metal dust in carbon, burns
Knot forms.Metal dust adds electric conductivity and the intensity of carbon.Contact net is powered or conductor rail is powered, its
Common trait is all that carbon slipper is positioned at contact line or the outside of conductor rail, carbon slipper surface with contact line or contact
Rail outer surface contacts, thus obtains electric energy for rail vehicle, drives train motion.
Current contact net is powered or conductor rail is powered, and carbon slipper is positioned at contact line or the outside of conductor rail, carbon
Slide plate rely on spring or cylinder etc. produce pressure be pressed onto contact line or conductor rail on, carbon slipper with contact line
Or generation friction is flowed between conductor rail contact surface.Due to by track installation precision, vehicle assembly precision, from
So condition such as strong wind, icing frosting, the impact of the unfavorable conditions such as snow, rail vehicle and carbon slipper it
Between current carrying quality by the biggest interference, have impact on traffic safety, and metal-impregnated carbon slide also not from
Fundamentally solve impact and fall the problem of block, and metal-impregnated carbon slide resistance is relatively big, is unfavorable for energy-conservation.Therefore,
Need to develop a kind of clipping track traffic electric supply installation, make rail vehicle be obtained in that stable being flowed, protect
Barrier traffic safety.
Summary of the invention
The present invention is to solve the problem that track traffic transmission system exists, it is proposed that a kind of self-lubricating is floated and pressed from both sides
Heart channel-type electric railway transmission system.
A kind of self-lubricating is floated sandwich channel-type track traffic transmission system, including self-lubricating floating channel 1,
Self-lubricating conductive plate 2 and dimensional support protective cover 3, stereoscopic protective cover 3 is internal is many slotted hole structures, two
Self-lubricating floating channel 1 lays respectively in dimensional support protective cover 3 two slotted eyes therein, and self-lubricating is conducted electricity
Plate 2 is between two self-lubricating floating channels 1；The floating channel following 21 of self-lubricating floating channel 1
Connecting with dimensional support protective cover 3 slotted eye and supported by its dimensional support protective cover 3, spring 7 one end is positioned at
In the floating channel spring eye 20 of side, self-lubricating floating channel 1, the other end and spring plug block up 5 phases and withstand,
Spring plug blocks up 5 and carries out screw thread with the spring fixed hole 11 of protective cover 3 side or gluing or interference is connected fastening.
Described self-lubricating floating channel 1 has floating channel lubrication on the face contacted with self-lubricating conductive plate 2
Rod conical bore 17, the opposite of floating channel lubricating rod conical bore 17 has floating channel lubricating rod fixing hole 18,
Floating channel lubricating rod 15 blocks up 16 by floating channel lubricating rod plug and is fixed on floating channel lubricating rod fixing hole
In 18, it is fastenedly connected with floating channel lubricating rod conical bore 17.
Described self-lubricating conductive plate 2 is provided with self-lubricating on the contact surface connected with self-lubricating floating channel 1 and leads
Electroplax coning angle 12, self-lubricating conductive plate 2 is additionally provided with conductive plate lubricating rod conical bore 13 and conductive plate lubrication
Rod fixing hole 14, conductive plate lubricating rod conical bore 13 and conductive plate lubricating rod fixing hole 14 are alternately distributed, and lead
Electroplax lubricating rod 4 blocks up 6 by conductive plate lubricating rod plug and is fixed in conductive plate lubricating rod fixing hole 14, and leads
Electroplax lubricating rod conical bore 13 is fastenedly connected.
Described self-lubricating floating channel 1 has fillet 19 under floating channel, and side has floating channel spring eye
20, floating channel following 21；Described self-lubricating conductive plate 2 is in addition to base, and its excess-three limit is respectively provided with floating
Fillet 19 under passage.
Described dimensional support protective cover 3 is provided with thick Water shielding curtain 8 and thin Water shielding curtain 9, by Water shielding curtain securing member
10 opening parts being fixed on dimensional support protective cover 3.
Described self-lubricating floating channel 1 and self-lubricating conductive plate 2 are made up of conductor material, and described support is protected
Cover 3 is made up of insulant.
Described conductive plate lubricating rod 4 and floating channel lubricating rod 15 are cone bar structure, solid conduction lubricate
Material is made.
Described thick Water shielding curtain 8 and thin Water shielding curtain 9 are waterproof flexible material.
Beneficial effect: in the present invention, self-lubricating conductive plate is positioned at inside dimensional support protective cover, it is to avoid unfavorable
The problem of effect of natural conditions rail vehicle current carrying quality, self-lubricating conductive plate material is that copper, aluminum, steel etc. are led
Body, it is to avoid the problem of block is fallen in metal-impregnated carbon slide impact, and due to two self-lubricating floating channels after
It is spring supporting, it is to avoid the impact when entering between two self-lubricating floating channels of the self-lubricating conductive plate
Phenomenon, extends the service life of collector body, has ensured traffic safety.
Accompanying drawing explanation
Fig. 1 is the self-lubricating sandwich channel-type electric railway transmission system front view of floating；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is that the self-lubricating sandwich channel-type electric railway transmission system dimensional support protective cover master of floating regards
Figure；
Fig. 4 is A-A sectional view in Fig. 3；
Fig. 5 is the self-lubricating sandwich channel-type electric railway transmission system self-lubricating conductive plate front view of floating；
Fig. 6 is A-A sectional view in Fig. 5；
Fig. 7 is B-B sectional view in Fig. 5；
Fig. 8 is that self-lubricating floats that sandwich channel-type electric railway transmission system self-lubricating floating channel is main regards
Figure；
Fig. 9 is A-A sectional view in Fig. 8；
Figure 10 is B-B sectional view in Fig. 8；
Figure 11 is that the sandwich channel-type electric railway transmission system self-lubricating floating channel of self-lubricating floating is three-dimensional
Figure；
Figure 12 is that self-lubricating conductive plate does not contacts with self-lubricating floating channel or self-lubricating conductive plate and Zi Run
Schematic diagram after the disengaging of sliding floating channel；
In figure, 1-self-lubricating floating channel, 2-self-lubricating conductive plate, 3-dimensional support protective cover, 4-conduction
Plate lubricating rod, 5-spring plug are stifled, 6-conductive plate lubricating rod plug is stifled, 7-spring, 8-thickness Water shielding curtain, the thin gear of 9-
Cascade, 10-Water shielding curtain securing member, 11-spring fixed hole, 12-self-lubricating conductive plate coning angle, 13-conduct electricity
Plate lubricating rod conical bore, 14-conductive plate lubricating rod fixing hole, 15-floating channel lubricating rod, 16-floating channel
Lubricating rod plug is stifled, 17-floating channel lubricating rod conical bore, 18-floating channel lubricating rod fixing hole, 19-float
Fillet under passage, 20-floating channel spring eye, 21-floating channel are following.
Detailed description of the invention
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, as shown in Figures 3 and 4, it stands
Body supports protective cover 3 and is made up of insulant, and centre has multiple slot type structure, has bullet in its side
Spring fixing hole 11, self-lubricating floating channel 1 material is the conductor such as copper, aluminum, is positioned at dimensional support protective cover 3
In one of them slotted eye, as shown in Figures 1 and 2, floating channel following 21 and dimensional support protective cover 3
Slotted eye contacts and is supported, and has floating channel spring eye 20 in the side of self-lubricating floating channel 1,
Spring 7 one end is positioned in floating channel spring eye 20, and the other end and spring plug block up 5 phases and withstand, and spring plug blocks up
5 carry out screw thread or gluing or interference is connected fastening with spring fixed hole 11.Self-lubricating conductive plate 2 material be copper,
The conductor such as aluminum, steel, between two self-lubricating floating channels 1, it is possible to along dimensional support protective cover 3
Length direction moves acquirement electric energy, as shown in Fig. 8, Fig. 9, Figure 10 and Figure 11, except self-lubricating conductive plate 2
Outside base, its excess-three limit is respectively provided with fillet 19 under floating channel, and has on self-lubricating floating channel 1
There are fillet 19 under floating channel, make self-lubricating conductive plate 2 be simply plugged into two self-lubricating floating channels 1
Between.On two faces contacted with self-lubricating floating channel 1 of self-lubricating conductive plate 2, all have certainly
Lubrication conductive plate coning angle 12, has conductive plate lubricating rod solid on the opposite of conductive plate lubricating rod conical bore 13
Determining hole 14, conductive plate lubricating rod 4 is solid conduction lubriation material, for cone bar structure, it is possible to be inserted into from profit
In conductive plate lubricating rod fixing hole 14 in sliding conductive plate 2, and use conductive plate lubricating rod plug to block up 6 to be screwed into
In conductive plate lubricating rod fixing hole 14, and make conductive plate lubricating rod 4 tight with conductive plate lubricating rod conical bore 13
It is solidly connected.On the face that two of self-lubricating conductive plate 2 contact with self-lubricating floating channel 1, conductive plate lubricates
Rod conical bore 13 and conductive plate lubricating rod fixing hole 14 are alternately arranged, it is ensured that all can on any contact line
Stablize and flowed.As shown in Fig. 5, Fig. 6 and Fig. 7, conductive plate lubricating rod plug blocks up 6 and is screwed into conductive plate lubricating rod
Fixing hole 14 and make it with lateral surface stroke shrinkage pool, conductive plate lubricating rod plug blocks up 6 and injures self-lubricating and float logical
Road 1.Along with the continuous abrasion of self-lubricating conductive plate 2 with self-lubricating floating channel 1, the two thickness constantly subtracts
Little, while abrasion, conductive plate lubricating rod 4 and floating channel lubricating rod 15 wear and tear the most simultaneously, and certainly
Lubricating layer is formed, it is ensured that between contact surface between lubrication conductive plate 2 and self-lubricating floating channel 1 contact surface
Lubricant effect.On the face that self-lubricating floating channel 1 contacts with self-lubricating conductive plate 2, there is floating logical
Road lubricating rod conical bore 17, has floating channel lubricating rod on the opposite of floating channel lubricating rod conical bore 17
Fixing hole 18, floating channel lubricating rod 15 is solid conduction lubriation material, for cone bar structure, it is possible to insert
In floating channel lubricating rod conical bore 17 in self-lubricating floating channel 1, and floating channel is used to lubricate
Rod plug stifled 16 is screwed in floating channel lubricating rod fixing hole 18, and makes floating channel lubricating rod 15 logical with floating
Road lubricating rod conical bore 17 is fastenedly connected, and Figure 12 is that self-lubricating conductive plate does not contacts with self-lubricating floating channel
Or self-lubricating conductive plate and self-lubricating floating channel depart from after schematic diagram.Opening at dimensional support protective cover 3
Place, is provided with thick Water shielding curtain 8 and thin Water shielding curtain 9, and thick Water shielding curtain 8 and thin Water shielding curtain 9 are waterproof soft material
Material, uses Water shielding curtain securing member 10 to be fixed to the opening part of dimensional support protective cover 3, prevents rainwater etc. from entering
The inside of dimensional support protective cover 3.
This system typically can be installed along the track of train operation on ground, it is also possible to installs at train top.
Its by stream mode be suitable for side by stream, lower flowed or upper by stream (according to by stream plate entrance by the direction of circulation road
Determine).
The specific embodiment being only the present invention disclosed above, but, the present invention is not limited to this, any
What those skilled in the art can think change all should fall into protection scope of the present invention.
Claims (8)
1. the sandwich channel-type track traffic transmission system of self-lubricating floating, including self-lubricating floating channel
(1), self-lubricating conductive plate (2) and dimensional support protective cover (3), it is characterised in that stereoscopic protective cover (3)
Inside is many slotted hole structures, and two self-lubricating floating channels (1) lay respectively at dimensional support protective cover (3)
In two slotted eyes therein, self-lubricating conductive plate (2) is positioned between two self-lubricating floating channels (1)；
The floating channel of self-lubricating floating channel (1) (21) below connects with dimensional support protective cover (3) slotted eye
And supported by its dimensional support protective cover (3), spring (7) one end is positioned at self-lubricating floating channel (1) side
In the floating channel spring eye (20) in face, the other end withstands mutually with spring plug stifled (5), and spring plug blocks up (5)
Carry out screw thread with the spring fixed hole (11) of protective cover (3) side or gluing or interference is connected fastening.
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described self-lubricating floating channel (1) has on the face contacted with self-lubricating conductive plate (2)
Floating channel lubricating rod conical bore (17), it is logical that the opposite of floating channel lubricating rod conical bore (17) has floating
Road lubricating rod fixing hole (18), floating channel lubricating rod (15) is stifled (16) by floating channel lubricating rod plug
It is fixed in floating channel lubricating rod fixing hole (18), fastens with floating channel lubricating rod conical bore (17)
Connect.
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described self-lubricating conductive plate (2) is on the contact surface connected with self-lubricating floating channel (1)
Being provided with self-lubricating conductive plate coning angle (12), self-lubricating conductive plate (2) is additionally provided with conductive plate lubricating rod circular cone
Hole (13) and conductive plate lubricating rod fixing hole (14), conductive plate lubricating rod conical bore (13) and conductive plate profit
Slide bar fixing hole (14) is alternately distributed, and conductive plate lubricating rod (4) is stifled (6) by conductive plate lubricating rod plug
It is fixed in conductive plate lubricating rod fixing hole (14), is fastenedly connected with conductive plate lubricating rod conical bore (13).
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described self-lubricating floating channel (1) has fillet under floating channel (19), and side has floating
Dynamic passage spring eye (20), floating channel are below (21)；Described self-lubricating conductive plate (2) in addition to base,
Its excess-three limit is respectively provided with fillet under floating channel (19).
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described dimensional support protective cover (3) is provided with thick Water shielding curtain (8) and thin Water shielding curtain (9), logical
Cross Water shielding curtain securing member (10) and be fixed on the opening part of dimensional support protective cover (3).
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described self-lubricating floating channel (1) and self-lubricating conductive plate (2) are made up of conductor material,
Described support protective cover (3) is made up of insulant.
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described conductive plate lubricating rod (4) and floating channel lubricating rod (15) are cone bar structure, by
Solid conduction lubriation material is made.
A kind of self-lubricating sandwich channel-type track traffic transmission system of floating, its
Being characterised by, described thick Water shielding curtain (8) and thin Water shielding curtain (9) are waterproof flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307314.5A CN105857084B (en) | 2016-05-12 | 2016-05-12 | A kind of sandwich channel-type electric railway transmission system of self-lubricating floating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307314.5A CN105857084B (en) | 2016-05-12 | 2016-05-12 | A kind of sandwich channel-type electric railway transmission system of self-lubricating floating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105857084A true CN105857084A (en) | 2016-08-17 |
| CN105857084B CN105857084B (en) | 2018-03-20 |
Family
ID=56630602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610307314.5A Active CN105857084B (en) | 2016-05-12 | 2016-05-12 | A kind of sandwich channel-type electric railway transmission system of self-lubricating floating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105857084B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020186296A1 (en) * | 2019-03-15 | 2020-09-24 | Bhp Innovation Pty Ltd. | Delivery system for providing electric power to a vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD111854A1 (en) * | 1974-06-21 | 1975-03-12 | ||
| JPH09182201A (en) * | 1995-12-20 | 1997-07-11 | Hitachi Ltd | Current collector |
| JP3297355B2 (en) * | 1997-08-21 | 2002-07-02 | 東海旅客鉄道株式会社 | Current collecting boat device |
| CN101722860A (en) * | 2008-10-15 | 2010-06-09 | 苏州东南电碳科技有限公司 | Electric locomotive pantograph sliding plate and manufacturing method thereof |
| CN204296473U (en) * | 2014-12-05 | 2015-04-29 | 北京万高众业科技发展有限公司 | A kind of pantograph pan |
-
2016
- 2016-05-12 CN CN201610307314.5A patent/CN105857084B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD111854A1 (en) * | 1974-06-21 | 1975-03-12 | ||
| JPH09182201A (en) * | 1995-12-20 | 1997-07-11 | Hitachi Ltd | Current collector |
| JP3297355B2 (en) * | 1997-08-21 | 2002-07-02 | 東海旅客鉄道株式会社 | Current collecting boat device |
| CN101722860A (en) * | 2008-10-15 | 2010-06-09 | 苏州东南电碳科技有限公司 | Electric locomotive pantograph sliding plate and manufacturing method thereof |
| CN204296473U (en) * | 2014-12-05 | 2015-04-29 | 北京万高众业科技发展有限公司 | A kind of pantograph pan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020186296A1 (en) * | 2019-03-15 | 2020-09-24 | Bhp Innovation Pty Ltd. | Delivery system for providing electric power to a vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105857084B (en) | 2018-03-20 |
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Addressee: Li Xiangquan Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
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Addressee: Li Xiangquan Document name: Notification that Application Deemed not to be Proposed |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170502 Address after: 300400 Tianjin Shuangjiang Beichen District of Beichen Economic Development Zone, Road No. 20 Applicant after: Tianjin Yichang electrical equipment Limited by Share Ltd Address before: 300192 Tianjin City Bai Causeway Road Nankai District Longxing Building No. 2, 2 No. 302 Applicant before: Li Xiangquan |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self-lubricating floating sandwich channel type electrified railway power transmission system Effective date of registration: 20191227 Granted publication date: 20180320 Pledgee: Tianjin SME Credit Financing Guarantee Center Pledgor: Tianjin Yichang electrical equipment Limited by Share Ltd Registration number: Y2019120000026 |
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