CN104709294B - The driving wheel bogie of the rolling stock of engine and axle almost coaxial - Google Patents
The driving wheel bogie of the rolling stock of engine and axle almost coaxial Download PDFInfo
- Publication number
- CN104709294B CN104709294B CN201410764921.5A CN201410764921A CN104709294B CN 104709294 B CN104709294 B CN 104709294B CN 201410764921 A CN201410764921 A CN 201410764921A CN 104709294 B CN104709294 B CN 104709294B
- Authority
- CN
- China
- Prior art keywords
- axle
- engine
- bogie
- chassis
- retarder
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/44—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with hollow transmission shaft concentric with wheel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
Abstract
A kind of driving wheel bogie of engine and the rolling stock of axle almost coaxial.The driving wheel bogie (10) of rolling stock includes pair of wheels (20), and the wheel (20) is connected with each other by being used to form the main shaft of axle (22).Bogie (10) further includes the engine (34) rotated for axle shaft (22) around the axle center of axle.Engine (34) and axle (22) almost coaxial, and bogie (10) outside is placed on relative to wheel (20).
Description
Technical field
The present invention relates to a kind of driving wheel bogie of rolling stock, the type of the driving wheel bogie be include at least a pair of of vehicle
Wheel, said or each pair of the wheel are connected with each other by being used to form the main shaft of axle, and bogie further includes for driving
The engine that axle is rotated around the axle center of axle.
Present invention is equally related to a kind of rolling stocks including such bogie.
Background technique
In rolling stock, each motor-bogie or driving wheel bogie generally include two pairs of wheels, chassis, suspenders
And driving device, the wheel in pair of wheels are connected with each other by being used to form the main shaft of axle, chassis by the axle that
This connection, each suspender are inserted between half chassis and axle, and each suspender allows axle relative to corresponding
Half chassis has relative vertical displacement, and driving device rotates one of axle or each axle.These driving devices include extremely
A few engine and a transmission chain, the transmission chain ensure torque to be transferred to axle from engine and by braking moment
Engine is transferred to from axle.Driving device is different according to the Mass Distribution of itself, and the driving device is either " non-outstanding
Hang ", that is, it is connected on axle, or be " suspension ", that is, is connected in the truck chassis above suspender.It drives
Dynamic device is different according to the complexity being integrated into bogie for volume, the volume with width (i.e. and vehicle
The axis parallel of axis) or with length measurement (parallel with vehicle traveling direction).The complexity of driving device is according to included portion
The number of part and it is different.
In order to reduce the vertical stress on wheelspan, reduces unsprung mass and be advantageous.In order to make the integration of driving device
It is more easier, reduces volume and be advantageous.
A kind of bogie of rolling stock known from EP 1 320 478, wherein engine is installed in the vehicle of axle
Between wheel, the rotor of engine is attached to axle, and stator is installed on axle by bracket, so that engine is non-outstanding
It hangs.Being hinged to the reaction bar on stator and in truck chassis allows to recapture torque and ensures truck chassis and vehicle
Stroke between the wheel shaft trip of movement between axis.Driving device is therefore particularly compact.However, the drive with excessive unsprung mass
Dynamic device has the defect of the speed of limitation vehicle.In addition, increase is applied to vehicle in the case where wheelspan and constant wheel diameter
Torque on axis is highly difficult.
A kind of bogie of rolling stock known from WO 2006/051046, wherein engine, which is hung, is mounted on vehicle
Between the wheel of axis, rotor forms the hollow spindle with axle almost coaxial.In order to compensate between truck chassis and axle
Stroke between the wheel shaft trip of movement, coupling member ensure the transmission torque between rotor and axle, which, which is placed on, turns
The axial end portion of son simultaneously allows axle center slight eccentricity of the rotor relative to vehicle.Therefore unsprung mass is reduced.Nevertheless, should
Transmission increases the volume of the bogie in vehicle traveling direction.In addition, engine occupies less space between wheel, so that
The length of ironwork and so that in technical solution described in the torque ratio EP 1 320 478 being applied on axle more
It is small.
Furthermore it is known that several rolling stocks comprising low wide channel.Such vehicle is commonly known as " low chassis vehicle ".It is right
In these vehicles, it is necessary to specific bogie is designed, so that center low pass road can be in vehicle in the case where not running
Extend in entire length, passes through above bogie completely.For this purpose, the central space of the bogie longitudinally extended between wheel must
It must not be blocked as far as possible.
The bogie described in EP 1 320 478 and WO 2006/051046 is not suitable for such vehicle.
EP 2 142 411 describes the bogie specifically for low chassis Car design, which permits at the bottom of vehicle body
A low wide central passage is arranged on disk, so that permitting reaching entire vehicle in the case where not running.It especially can be by sending out
The specific placement of motivation achieves the goal, which is placed along the outer edge of bogie with being parallel to vehicle traveling direction.I.e.
This placement allowance is set effectively to make central space unobstructed, but the shortcomings that placement is, it is necessary to increase engine institute duty
Between top chassis, the result is that make reach rolling stock certain some of complex.
Summary of the invention
It is an object of the present invention to provide a kind of driving wheel bogie of rolling stock, which permits at the bottom of vehicle body
On disk arrange a low wide channel, without in order to from above the bogie of rolling stock by the chassis of rolling stock
Realize a large amount of advance.Other purposes are to keep driving wheel bogie compact with axle driving device and effectively integrate, the driving
Device is easy to use and reduces unsprung mass.
For this purpose, wherein engine and axle almost coaxial, start the present invention is directed to a kind of driving wheel bogie of the above-mentioned type
Machine is placed on outside bogie relative to wheel.
Particular implementation according to the present invention, driving wheel bogie equally have it is individually using or according to it is all technically
One or more following characteristics of possible combination:
Driving wheel bogie includes transmission chain, which ensures torque being transferred to axle, the transmission chain from engine
Including retarder；
Retarder and axle almost coaxial, and be placed on outside bogie relative to wheel；
Engine and retarder integral loop are around axle；
Transmission chain includes for that will drive the transmission main shaft being transferred on axle from engine, and the transmission main shaft is hollow
The inside of axle an axially opposite end of axle is extended to from an axial end portion of axle；
Transmission chain includes the first coupling member on from engine to transmission main shaft, and first coupling member is suitable for permitting passing
The axle center of defeated main shaft is tilted relative to the axle center of engine；
Transmission chain includes from the second coupling member on transmission main shaft to the input gear of retarder, the second connection structure
The axle center that part is suitable for granted transmission main shaft is tilted relative to the axle center of input gear；
Retarder includes the engaged element being coupled with axle；
Retarder is epicycloid shape gear system reducer；
Driving wheel bogie includes chassis and the suspender between chassis and axle, and the suspender is configured as permitting
Vertical displacement of the axle relative to chassis, engine are rigidly fixed to chassis；
Driving wheel bogie include chassis, the suspender between chassis and axle and from engine to chassis on company
Connection device, the suspender are configured as permitting vertical displacement of the axle relative to chassis, and the attachment device allows engine
Vertical displacement relative to chassis；And
Engine is internal rotor engine.
The present invention also aims to a kind of rolling stocks including driving wheel bogie as defined above, in particular rail
Electric car.
Detailed description of the invention
By to it is described below referring to attached drawing and be merely given as examples illustrate to read will make it is of the invention
Other features and advantages display, in the accompanying drawings:
- Fig. 1 is the transverse sectional view of driving wheel bogie according to a first embodiment of the present invention；
- Fig. 2 is the perspective view of the connecting section of the transmission main shaft of the driving wheel bogie of Fig. 1；
- Fig. 3 is the transverse sectional view of driving wheel bogie according to a second embodiment of the present invention.
Specific embodiment
Hereinafter, term " vertically " and "horizontal" are defined relative to the bogie being mounted in rolling stock.Therefore,
Horizontal plane is substantially parallel with axle extension plane, and vertical plane is substantially parallel with wheel extension plane.Term " longitudinal direction "
Relative to the direction definition that rolling stock extends on the horizontal level, and " transverse direction " along in the horizontal plane with longitudinal direction base
This vertical direction definition.
Each of driving wheel bogie 10 shown in Fig. 1 and 3 includes two pairs of wheels 20, the wheel 20 in each pair of wheel
It is connected with each other by the main shaft to form axle 22.Axle 22 is connected with each other by chassis 24, i.e., internally, including two and half
Chassis and each half chassis is coupled with respective axle 22.Pass through inner chassis, it is known that the stringer 26 on each half chassis is being taken turns
Wide internal stretch, the profile are formed by wheel 20, i.e., stringer is placed between wheel 20.
Each half chassis includes two substantially longitudinally extending stringers 26, which passes through the crossbeam extended generally laterally across
(not shown) is connected with each other.Each stringer 26 is placed on the axle box 28 of axle 22, and the axle box 28 leans on axle 22
Wheel 20 is placed between the wheel 20.
Primary suspension part 30 is inserted between each stringer 26 and the axle box 28 being placed on the stringer 26.The primary
Suspender 30 allows relative vertical displacement of the axle 22 relative to half chassis between another primary suspension part, i.e. half chassis is living
It is dynamic and along substantially vertical direction relative to axle 22 hang.
Two and half chassis are fixed to one another, so that 22 keeping parallelism of axle and bogie 10 will not be in the work of normal load
With lower folding.
At least one of axle 22 or two 22 driven device of axle driving rotations, driving device includes engine
34 and transmission chain, the transmission chain ensure torque being transferred to axle 22 from engine 34 and pass braking moment from axle 22
It is defeated to arrive engine 34.The transmission chain includes retarder 36 and for that will drive the biography being transferred on retarder 36 from engine 34
Defeated main shaft 38.
Engine 34 is placed on the outside of the profile of the formation of wheel 20.In other words, engine is relative to 20 quilt of wheel
It is placed horizontally in the outside of bogie 10.
Similarly, between the wheel shaft trip near the suspender of permission 30 at stroke, engine 34 and 22 almost coaxial of axle.
Engine 34 includes rotor 42 and stator 44.
Stator 44 is connected to chassis 24 by the first connecting elements 46.The connecting elements 46 is suitable for recapturing stator 44 and bottom
Connection between disk 24.
Rotor 42 and stator 44 are coaxial.Bracket 48 ensures that rotor 42 is connected to stator 44, at the same permit rotor 42 relative to
Stator 44 is rotated around the axle center of the rotor.
Rotor 42 is attached to main shaft 38 in a rotative pattern.
Stator 44 is installed around rotor 42, this makes engine 34 form internal rotor engine.
Retarder 36 and 22 almost coaxial of axle.
Retarder 36 is equally placed on the outside of the profile of the formation of wheel 20.Particularly, retarder is relative to engine
34 be placed on the axially opposite end of axle 22, this makes engine 34 and the common lateral circular axle 22 of retarder 36.
Retarder 36 is epicycloid shape gear system reducer.Known retarder includes multiple engaged elements 50,52,54,56,
Wherein, inside center wheel 50 forms the input gear with the retarder 36 of 22 almost coaxial of axle, ring gear 52 and inside center
Wheel 50 is coaxial, and multiple planetary gears 54 are inserted between inside center wheel 50 and ring gear 52, in each planetary gear and inside
Heart wheel 50 and ring gear 52 engage, and pinion frame 56 and inside center wheel 50 and ring gear 52 are coaxial, each planet tooth
Wheel 54 is mounted on pinion frame 56 in a manner of around planetary gear axle center rotation.
Inside center wheel 50 is attached to main shaft 38 in a rotative pattern.Ring gear 52 is connected to bottom by the second connecting elements 58
Disk 24, second connecting elements 58 are suitable for recapturing coupling between ring gear 52 and chassis 24.Pinion frame 56 and axle
22 are coupled, and are particularly coupled with one of the wheel 24 of axle 22.
Second connecting elements 58 is preferably the company of stroke between the wheel shaft of the movement between allowance chassis 24 and axle 22 is swum
Bar.Therefore, retarder 36 is half suspension.
According to the present invention, axle 22 is hollow and defines two axial end portions 62,64 for reaching axle 22
Inside axial direction tubular cavity 60.Main shaft 38 extends to another from one in axial end portion 62,64 in the chamber 60.Main shaft
For 38 tools there are two opposite connecting section 66,68, each connecting section 66,68 is prominent from chamber 60 at each axial end portion 62,64.
Rotor 42 defines the first chamber 70 for accommodating a connecting section 66, and inside center wheel 50 defines that receiving is another
Second chamber 72 of connecting section 68.More precisely, as shown in Fig. 2, each connecting section 66,68 has rib 74, which is formed from section
66,68 peripheral surface radially issues protrusion part and axial orientation, the rib 74 be distributed in the periphery of section 66,68 and with
Accommodate the cooperation of complemental groove (not shown) formed in the wall of the chamber 70,72 of the rib.
Main shaft 38 and 22 almost coaxial of axle, i.e. the axle center of main shaft 38 is intersected with the axle center of axle 22, between two axle center
The absolute value of angle is usually less than 1 °.
Bogie 10 equally includes the brake apparatus suitable for applying the axle 22 of resistance torque on axle 22, this makes
Axle is rotated relative to chassis 24 to be fixed.The known brake apparatus includes brake puck 76 and hoop (not shown), is bound round along chassis 24
Or the longitudinal direction of retarder 36 is coupled in a translational manner, and is suitable for clamping brake puck 76, to prevent brake puck
76 any displacement relative to hoop.
In the illustrated example, retarder 36 is inserted between brake puck 76 and a wheel 20 of axle 22.Braking
Disk 76 is especially coupled with inside center wheel 50.
In embodiment in Fig. 1, engine 34 is suspension.For this purpose, the first connecting elements 46 is rigid connection member,
Suitable for engine 34 is rigidly connected to chassis 24.
In addition, connecting section 66,68 is suitable for the axle center of granted transmission main shaft 38 relative to the axle center of rotor 42 and opposite
It is tilted in the axle center of retarder 36.For this purpose, as shown in Fig. 2, each rib 74 includes the free edge 78 being substantially bent outwardly, i.e. rib
74 free edge 78 constitutes the edge with the axle center of main shaft 38 radially apart from farthest rib 74 with generally radiused shape.
Therefore, the chamber 70,72 of connecting section 66,68 and receiving connecting section is formed together transmission shaft coupling.Because of this seed type
Transmission shaft coupling be easily achieved, so it is particularly advantageous.As modification, other transmission shaft couplings are used for main shaft 38
On the rotor 42 for the engine 34 being connected to and on the inside center wheel 50 of retarder 36.
It notices through " transmission shaft coupling ", understands the mechanical system that a kind of two rotating parts of allowance mutually drive,
During operation, the axis of rotation of two rotating parts is located at the position that can change relatively.
Therefore, the outer diameter of main shaft 38 is between 35 and 45mm, preferably generally 40mm, and the diameter of tubular cavity 60
Between 85 and 95mm, preferably generally 90mm.
In operation, the driving of rotor 42 transmission main shaft 38 is rotated around the axle center of transmission main shaft.The rotation passes through the second connection
Section 68 is transferred to the inside center wheel 50 of retarder 36.Inside center wheel 50 is transferred to the planet tooth rolled on ring gear 52
Wheel 54 is driven.This makes, and planetary gear 54 drives pinion frame 56 to rotate around the axle center of pinion frame 56, and therefore
Axle shaft 22 rotates.
If axle 22 is kept fixed relative to 24 vertical displacement of chassis, the axle center of engine 34 relative to chassis 24, so
And the axle center of retarder 36 follows axle 22 to be displaced.The axle center of engine 34 and the axle center relative displacement therewith of retarder 36, this
So that two axle center being parallel to each other originally are no longer aligned.Therefore, the axis of main shaft 38 opposite engine 34 and retarder 36 is transmitted
The direction of the heart tilts, and since main shaft 38 is connected on engine 34 by transmitting shaft coupling on retarder 36, which is permitted
Perhaps.
This embodiment permits limitation unsprung mass.
In the embodiment of figure 3, engine 34 is half suspension.For this purpose, the first connecting elements 46 is to permit chassis 24
The connecting rod of stroke between the wheel shaft trip of movement between axle 22.In addition, axle 22 includes being more than that wheel 20 is formed by profile
External outer portion part 80, rotor 42 define cylindrical cavity 82 for accommodating the outer portion part 80 and being mounted to by bracket 84
On described section 80.
In operation, the driving of rotor 42 transmission main shaft 38 is rotated around the axle center of transmission main shaft.The rotation passes through the second connection
Section 68 is transferred to the inside center wheel 50 of retarder 36.Inside center wheel 50 is transferred to the planetary gear rolled on ring gear 52
54 are driven.This makes, and planetary gear 54 drives pinion frame 56 to rotate around the axle center of pinion frame 56, and therefore drives
Motor-car axis 22 rotates.
If axle 22 follows axle 22 mobile jointly relative to 24 vertical displacement of chassis, engine 34 and retarder 36.
Therefore the axle center keeps being aligned.In this second embodiment, therefore main shaft 38 is not tilted relative to axle 22, so as to subtract
The diameter of small tubular cavity 60.
Due to aforementioned present invention, in the case where not needing to realize a large amount of advance in the chassis of the rolling stock,
Wide channel can be set low by cloth in the chassis of the vehicle body for the rolling stock for being integrated with bogie 10.
Claims (9)
1. a kind of driving wheel bogie (10) of rolling stock, including at least pair of wheels (20), each pair of the wheel (20) is logical
It crosses and is connected to each other to the main shaft for forming axle (22), the bogie (10) further includes engine (34) and transmission chain, institute
State engine (34) for drive the axle (22) around the axle (22) axle center rotate, the engine (34) with it is described
Axle (22) almost coaxial and the outside that the bogie (10) are placed on relative to the wheel (20), the transmission chain
Ensure for torque to be transferred to the axle (22) from the engine (34), and including retarder (36), the retarder
(36) with the axle (22) almost coaxial and the outsides of the bogie (10) is placed on relative to the wheel (20),
It is characterized in that, the retarder (36) is placed on the opposite shaft orientation end of the axle (22) relative to the engine (34)
Portion, this makes the engine (34) and the retarder (36) jointly around the axle (22).
2. driving wheel bogie (10) according to claim 1, wherein the transmission chain includes for that will drive from the hair
Motivation (34) is transferred to the transmission main shaft (38) on the retarder (36), and transmission main shaft (38) is in the hollow axle
(22) inside from an axial end portion (62) of the axle (22) extend to one of the axle (22) it is opposite
Axial end portion (64).
3. driving wheel bogie (10) according to claim 2, wherein the transmission chain include from the engine (34) to
First coupling member (66) on transmission main shaft (38), the first coupling member (66) are suitable for permitting the transmission master
The axle center of axis (38) is tilted relative to the axle center of the engine (34).
4. driving wheel bogie (10) according to claim 2 or 3, wherein the transmission chain includes from the transmission main shaft
(38) second coupling member (68) on the input gear (50) of the retarder (36) is arrived, the second coupling member (68) is suitable
Axle center for permitting transmission main shaft (38) is tilted relative to the axle center of the input gear (50).
5. driving wheel bogie (10) according to any one of claim 1 to 3, wherein the retarder (36) include with
The engaged element (56) that the axle (22) is coupled.
6. driving wheel bogie (10) according to any one of claim 1 to 3, wherein the retarder (36) is outer pendulum
Linear gear system reducer.
7. driving wheel bogie (10) according to any one of claim 1 to 3, including chassis (24) and on the chassis
(24) suspender (30) between the axle (22), the suspender (30) are configured for permitting the axle (22) phase
Vertically opposite displacement for the chassis (24), the engine (34) are rigidly fixed to the chassis (24).
8. driving wheel bogie (10) according to any one of claim 1 to 3, including chassis (24), on the chassis
(24) suspender (30) between the axle (22) and the connection on from the engine (34) to the chassis (24)
Device (46), the suspender (30) are configured for permitting the axle (22) relative to the vertically opposite of the chassis (24)
Displacement, the attachment device (46) allow vertical displacement of the engine (34) relative to the chassis (24).
9. driving wheel bogie (10) according to any one of claim 1 to 3, wherein the engine (34) is interior turns
Sub- engine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1362423A FR3014398B1 (en) | 2013-12-11 | 2013-12-11 | BOGIE RAIL VEHICLE ENGINE IN WHICH THE ENGINE IS SUBSTANTIALLY COAXIAL AT THE AXLE |
| FR1362423 | 2013-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104709294A CN104709294A (en) | 2015-06-17 |
| CN104709294B true CN104709294B (en) | 2019-01-22 |
Family
ID=50069205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410764921.5A Active CN104709294B (en) | 2013-12-11 | 2014-12-11 | The driving wheel bogie of the rolling stock of engine and axle almost coaxial |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2883773B1 (en) |
| CN (1) | CN104709294B (en) |
| ES (1) | ES2811701T3 (en) |
| FR (1) | FR3014398B1 (en) |
| PL (1) | PL2883773T3 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112016005502B4 (en) * | 2015-12-03 | 2022-06-23 | Crrc Zhuzhou Locomotive Co., Ltd. | Hollow axle structure and wheelset |
| FR3081787B1 (en) * | 2018-06-04 | 2020-08-28 | Alstom Transp Tech | ASSEMBLY FOR TRANSMISSION OF A TORQUE FROM A MOTOR TO A REDUCER AND ASSOCIATED MANUFACTURING PROCESS |
| DE102021207833A1 (en) * | 2021-07-22 | 2023-01-26 | Siemens Mobility GmbH | Low-floor powered chassis with wheel set axle driven on one side |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1059489B (en) * | 1957-10-08 | 1959-06-18 | Deutsche Bundesbahn | Auxiliary drive for gears driven by rail vehicle axles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2815727B2 (en) * | 1991-07-09 | 1998-10-27 | 財団法人鉄道総合技術研究所 | Drive unit for railway vehicles |
| JPH08244605A (en) * | 1995-03-14 | 1996-09-24 | Toyo Electric Mfg Co Ltd | Electric rolling stock driving gear |
| DE10047911A1 (en) * | 2000-09-27 | 2002-04-18 | Siemens Ag | Drive a wheelset |
| WO2006051046A1 (en) | 2004-11-11 | 2006-05-18 | Siemens Aktiengesellschaft | Semi-suspended direct drive for a rail vehicle |
| FR2914609B1 (en) | 2007-04-05 | 2009-07-10 | Alstom Transport Sa | BOGIE FOR RAILWAY VEHICLE |
| WO2012169017A1 (en) * | 2011-06-07 | 2012-12-13 | 株式会社日立製作所 | Monorail drive device and monorail truck provided therewith |
-
2013
- 2013-12-11 FR FR1362423A patent/FR3014398B1/en not_active Expired - Fee Related
-
2014
- 2014-12-09 ES ES14196889T patent/ES2811701T3/en active Active
- 2014-12-09 EP EP14196889.1A patent/EP2883773B1/en active Active
- 2014-12-09 PL PL14196889T patent/PL2883773T3/en unknown
- 2014-12-11 CN CN201410764921.5A patent/CN104709294B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1059489B (en) * | 1957-10-08 | 1959-06-18 | Deutsche Bundesbahn | Auxiliary drive for gears driven by rail vehicle axles |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3014398A1 (en) | 2015-06-12 |
| ES2811701T3 (en) | 2021-03-15 |
| EP2883773B1 (en) | 2020-06-03 |
| CN104709294A (en) | 2015-06-17 |
| FR3014398B1 (en) | 2017-05-26 |
| EP2883773A1 (en) | 2015-06-17 |
| PL2883773T3 (en) | 2020-10-19 |
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Address after: The French Saint - Touam Applicant after: The scientific and technological simple and easy joint-stock company of Alstom transportation Address before: French Levallois Perret Applicant before: The scientific and technological simple and easy joint-stock company of Alstom transportation |
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Address after: France 93400 Darren Albert Saint Ouen Street No. 48 Applicant after: The scientific and technological simple and easy joint-stock company of Alstom transportation Address before: The French Saint - Touam Applicant before: The scientific and technological simple and easy joint-stock company of Alstom transportation |
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