EP4433345A1 - Anordnung zum antrieb eines mit einem anhänger gekoppelten fahrzeugs - Google Patents
Anordnung zum antrieb eines mit einem anhänger gekoppelten fahrzeugsInfo
- Publication number
- EP4433345A1 EP4433345A1 EP22823485.2A EP22823485A EP4433345A1 EP 4433345 A1 EP4433345 A1 EP 4433345A1 EP 22823485 A EP22823485 A EP 22823485A EP 4433345 A1 EP4433345 A1 EP 4433345A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- transmission line
- trailer
- arrangement according
- gas
- 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
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D1/00—Carriages for ordinary railway passenger traffic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
- B61G5/08—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for fluid conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/06—Power storing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
Definitions
- the invention relates to an arrangement for driving a vehicle coupled to a trailer, in particular a rail vehicle coupled to a tender.
- Alternative drive concepts are given increasing priority due to political considerations regarding the energy transition. These alternative drive concepts also include drive concepts that use gas-based energy carriers, for example hydrogen in conjunction with fuel cells.
- test and series vehicles for example shunting locomotives, commuter vehicles, city buses, etc., have been equipped and operated with this technology.
- gas-based energy carriers When using gas-based energy carriers in a vehicle, the problem arises that the energy density of gas-based energy carriers (e.g. hydrogen) is significantly lower compared to liquid fossil energy carriers (e.g. diesel, petrol). Accordingly, a much larger volume for storing the gas-based energy carrier must be provided in the vehicle in comparison.
- gas-based energy carriers e.g. hydrogen
- liquid fossil energy carriers e.g. diesel, petrol
- the electrical energy is wired from the tender to the rail vehicle and reaches the electric traction motors arranged there in order to drive the rail vehicle together with the tender.
- the arrangement according to the invention has a vehicle which is connected to a trailer.
- the vehicle has a traction motor that is designed to drive the vehicle.
- the trailer has a tank in which a gas-based energy source is stored.
- the vehicle has a galvanic cell as an energy generation unit, with which drive energy is formed by a chemical reaction of the gaseous energy source continuously supplied to it with an oxidizing agent, and this energy is fed to the traction motor for driving purposes.
- the vehicle and the trailer are connected to one another via a transmission line, so that the gas-based energy source can reach or be transmitted from the trailer to the vehicle.
- the transmission line has a protective device or is coupled to a protective device in such a way that the protective device prevents damage to the transmission line during operation of the vehicle connected to the trailer.
- the transmission line is surrounded by a protective sheath, at least in the area between the vehicle and the trailer, which therefore forms a protective device for the transmission line.
- the protective jacket is designed in such a way that it protects the transmission line from environmental influences (flying gravel or loose chippings, hanging overhead lines, lightning, icing, etc.).
- the protective casing is preferably a flexible bellows that can be displaced within itself and is preferably grounded.
- the protective jacket is designed as a flexible metal fabric or as an electrically conductive hollow body, with the hollow body consisting of a flexible, mechanically resilient material - e.g. a rubber or plastic hose that has electrically conductive structures for grounding.
- the protective casing is preferably attached to the vehicle and/or to the trailer via a cardanic suspension.
- the configurations of the protective casing mentioned ensure that lateral offsets of the vehicle relative to the trailer in all spatial coordinates and (partial) rotational movements in all spatial axes are compensated for or evened out by the protective casing.
- the configurations of the protective casing mentioned ensure that different deflections or spring deflections on the part of the vehicle and/or trailer are compensated for or evened out.
- the transmission line itself is connected to the vehicle and/or to the trailer via a resilient unit, which forms a further protective device for the transmission line.
- the resilient unit is designed on the one hand to resiliently hold and fasten the transmission line and on the other hand to tighten the transmission line to a predetermined mechanical tensile stress.
- the resilient unit preferably has the following components, for example:
- tensioning spring bearing on the tensioning plate.
- the tightening spring is clamped between the vehicle and the tightening plate and is subjected to pressure. The result of this is that the tensioning spring tensions the transmission line so that its downward deflection is reduced.
- a routing unit through which the transmission line is routed from the vehicle area or from the trailer area to an area between the vehicle and the trailer.
- the guide unit consists of two horizontal and two vertical guide rollers, which run smoothly and are arranged around the transmission line (e.g. above, below, left and right). With the guide unit, relative movements occurring during operation between the transmission line and the vehicle or the trailer are compensated for or friction effects which lead to wear of the transmission line are avoided.
- cables and springs can be used with which the transmission line can be suspended with the same objective.
- These components of the resilient unit compensate for relative movements between the vehicle and the trailer with a view to their effect on the transmission line:
- the distance between the associated vehicle ends is increased.
- the transmission line is pulled through the guide unit against the spring force of the tightening unit.
- the spring force of the compressed tightening spring is designed in such a way that all relative movements of the vehicle and the trailer can be carried out without overloading the transmission line.
- the resilient unit described is dimensioned in such a way that a predetermined minimum bending radius of the transmission line is maintained.
- the resilient unit described is dimensioned in such a way that the connecting line is prevented from touching the surrounding protective sheath when the vehicle and the trailer are in operation.
- the resilient unit described is dimensioned in such a way that a course of the transmission line within the vehicle or trailer after the tightening clip allows any movement of the transmission line to occur (e.g. laying an S-bend, laying a bend, bracing with ropes, springs, etc.).
- the above configurations of the hose line and the associated resilient unit ensure that lateral offsets of the vehicle to the trailer in all spatial ordinates as well as (partial) rotational movements in all spatial axes can be compensated for.
- hose line or the associated resilient unit ensure that different deflections or spring deflections on the part of the vehicle and/or trailer are compensated for or compensated for.
- hose line or the associated resilient unit ensure that the hose line is tightened or only minimally “sags” when the vehicle and trailer combination is in operation.
- the transmission line has a two-part coupling in the area between the vehicle and the trailer, which is pressure-tight to the environment or to the outside when the vehicle and the trailer are in operation and is gas-permeable when viewed from the trailer to the vehicle.
- This coupling is designed as an additional protective device for the transmission line during operation and prevents uncontrolled tearing of the transmission line in the event of non-operational disconnection.
- the two-part coupling is designed in such a way that in the event of a non-operational separation, the two parts of the coupling assume the functionality of a "predetermined breaking point": the two-part coupling opens, with one coupling part each remaining at an assigned end of the transmission line and seals this end of the transmission line in a pressure-tight manner.
- a first coupling part is preferably connected to the vehicle via a cable and a second coupling part is preferably connected to the trailer via a cable.
- the coupling components described avoid the dangers of an external separation, namely: TM an uncontrolled escape of large quantities of the combustible gas-bound energy carrier into the environment,
- the transmission line is coupled to a signal line that is pneumatically or electrically embodied. This forms an additional protective device for the transmission line and monitors its separation.
- the signal line is connected to both the vehicle and the trailer with fasteners. It is laid and dimensioned in such a way that it follows operational movements of the vehicle - trailer combination without damage.
- the transmission line is stretched and a specified tensile stress value is exceeded, while at this moment the signal line is already being damaged by its routing and dimensioning, and thus the imminent separation is indicated early on.
- Damage to the signal line generates a signal (drop in pressure, idling) that closes the switchable shut-off valves provided in the vehicle and trailer as part of a delivery line for the gas-based energy carrier according to the well-known fail-safe principles.
- the traction motor of the vehicle is an electric traction motor.
- the vehicle is a rail vehicle or a locomotive that is coupled to a tender as a trailer.
- the gas-bound energy carrier is hydrogen or natural gas.
- the galvanic cell is a fuel cell with which electrical drive energy is formed by a chemical reaction of the gas-bonded hydrogen that is continuously supplied to it with an oxidizing agent, and this energy is supplied to the electric traction motor for driving purposes.
- the present invention enables a hitherto unforeseen safe and cost-effective transmission of a gas-bound energy carrier from a trailer to a vehicle or rail vehicle.
- the present invention provides a new basis for a new type of vehicle or train concept: Vehicles with gaseous energy carriers (e.g. hydrogen in combination with fuel cells) are among the pillars of the new and environmentally friendly drive technology, which is now also used on rail vehicles their limited volume or space is used.
- gaseous energy carriers e.g. hydrogen in combination with fuel cells
- the present invention makes it possible in rail transport to use a large number of trailers with tanks, so that a representative (gas) tank is distributed over an entire train. As a result, enormous ranges could be achieved in rail transport.
- the present invention makes it possible in rail transport to increase a vehicle-side drive power because all of the available space in the rail vehicle is available for energy conversion and for controlling the rail vehicle.
- the present invention makes it possible in rail transport to increase the energy content of the train with the length of the train.
- the energy that can be stored on the train would thus increase with the increased energy requirement due to the higher train weight.
- the invention is explained in more detail below by way of example using a drawing. It shows:
- FIG. 2 with reference to FIG. 1 shows a vertical section in the longitudinal direction of the vehicle of the arrangement according to the invention
- FIG. 3 shows a top view or a horizontal section of the arrangement according to the invention with reference to FIG. 1 and FIG. 2,
- FIG. 4 shows a detailed view of the clutch with reference to FIG. 1 to FIG. 3, and
- FIG. 5 with reference to FIG. 1 to FIG. 4 shows an additional configuration of the arrangement according to the invention.
- FIG. 1 shows an overview of the arrangement according to the invention with a rail vehicle 10 as the vehicle that is connected to a trailer 10A.
- the vehicle 10 has an electric traction motor FM, which is designed to drive the vehicle 10, while the trailer 10A has a tank TK, in which hydrogen is stored as a gas-bound energy carrier ET.
- the vehicle 10 has a fuel cell as an energy generation unit EEE, with which drive energy is formed by a chemical reaction of the gaseous energy source ET continuously supplied to it with oxygen, which is fed to the traction motor FM for the drive.
- EEE energy generation unit
- the vehicle 10 and the trailer 10A are connected to one another via a transmission line 20 in the form of a hose line, so that the gas-bound energy carrier reaches or is transmitted from the trailer 10A to the vehicle 10 .
- the transmission line 20 interacts with protective devices described below or is coupled to them in such a way that the protective devices prevent damage to the transmission line during operation of the vehicle 10 connected to the trailer 10A.
- the transmission line 20 is surrounded by a protective jacket 30 which thus forms a protective device for the transmission line 20 .
- the protective casing 30 is designed as a flexible bellows that can be displaced in itself and is grounded.
- the protective shell 30 is attached to the vehicle and/or trailer 10A via gimbals.
- the hose line or transmission line 20 is under high pressure, typically p>350 bar, and can be coupled between the vehicle 10 and the trailer 10A. Details on this are explained further in the following figures.
- FIG. 2 shows, with reference to FIG. 1, a vertical section in the longitudinal direction of the vehicle of the arrangement according to the invention.
- the transmission line 20 is connected to the vehicle 10 and to the trailer 10A via a respective resilient unit 40 which constitutes a further protective device for the transmission line 20.
- the transmission line 20 has a two-piece coupling 21 in the area between the vehicle 10 and the trailer 10A.
- the resilient unit 40 on the part of the vehicle 10 is described below by way of example.
- the resilient unit 40 has two functionalities: a suspension function and a tightening function.
- the resilient unit 40 has the following components:
- a tightening clamp 41 which is clamped onto the transmission line 20 in a non-slip manner. With this, forces for setting a tensile stress are transmitted from the tightening clamp 41 to the transmission line 20 .
- a tightening plate 42 which connects to the tightening clamp 41. This compressive forces acting in the direction of the tightening clamp 41 are transmitted.
- a tightening spring 43 which is supported on the tightening plate 42.
- the tightening spring is clamped between the vehicle 10 and the tightening plate 42 and is subjected to pressure.
- the tensioning spring 43 tensions the transmission line 20 so that its downward deflection is reduced.
- a routing unit 44 through which the transmission line 20 is routed from the vehicle area and the trailer area, respectively, to an area between the vehicle 10 and the trailer 10A.
- the guide unit 44 consists of two horizontal and two vertical guide rollers 45, which are arranged smoothly and circumferentially to the transmission line 20 (e.g. above, below, left and right).
- the resilient unit 40 described is dimensioned in such a way that a predetermined minimum bending radius of the transmission line 20 is maintained.
- the resilient unit 40 is dimensioned in such a way that the connecting line 20 is prevented from touching the surrounding protective jacket 30 when the vehicle 10 and the trailer 10A are in operation.
- the two-part coupling 21 arranged in the area between the vehicle 10 and the trailer 10A is pressure-tight to the environment or to the outside during normal operation of the vehicle 10 and the trailer 10A and gas-permeable when viewed from the trailer 10A to the vehicle 10 .
- the two-part coupling 21 forms a further protective device for the transmission line 20, with which an uncontrolled tearing of the transmission line 20 is avoided in the event of a non-operational disconnection.
- FIG. 3 shows a plan view or a horizontal section of the arrangement according to the invention with reference to FIG. 1 and FIG.
- the two-part clutch 21 is designed in such a way that the two parts of the clutch take over the functionality of a “predetermined breaking point”: the two-part coupling 21 opens, with one coupling part remaining at an associated end of the transmission line 20 and this end of the transmission line 20 closing pressure-tight.
- a first coupling part is preferably connected to the vehicle 10 via a cable 52 and a cable attachment 53 .
- the second coupling part which is connected to the trailer 10A via a cable and a cable attachment.
- Two opening cables 52 are firmly connected and symmetrically arranged on the opening clamp 51. By pulling the two opening cables 52 symmetrically, the clutch opener 22 is actuated and the clutch 21 is uncoupled.
- the length of the opening cables 52 is dimensioned such that operational relative movements of the vehicle 10 and the trailer 10A do not strain the opening cables 52 . Only when the train is separated outside of operation is there such a large distance between the vehicle 10 and the trailer 10A that the opening cables 52 move the clutch release 22 and uncouple the clutch 21 . At the same time, this shuts off the flow for the gaseous energy carrier.
- the lengths of the opening cables 52 are dimensioned such that the opening cables 52 always come into engagement first in the event of a non-operational train separation.
- the rest of the tubing system is designed in such a way that no other component is overloaded until the clutch 21 is disengaged by the opening cables 52 .
- the opening cables 52 are fastened on the vehicle side to a cable attachment 53 designed as an opening rocker.
- a non-operational train separation in a switch or in a curve results in the coupling 21 being offset laterally with respect to the vehicle 10 . If the opening cables 52 were firmly connected to the vehicle 10, there would be an asymmetric introduction of force through only one opening cable 52 and the clutch release 22 could tilt in extreme cases.
- the connection of the opening cables 52 via the opening rocker 53 prevents asymmetrical introductions of force into the clutch release 22 in that the opening rocker 53 compensates for the asymmetry until both opening cables 52 are tensioned and forces are transmitted to disengage the clutch 21 . This ensures symmetrical actuation of the clutch opener 22 in all sections of the route.
- FIG. 4 shows, with reference to FIG. 1 to FIG. 3, a detailed view of the clutch 21 with a clutch opener 22 and a clutch seat 23, in which a shut-off mechanism and a coupling mechanism are integrated (not shown in detail).
- the clutch opener 22 disengages the clutch 21 when the clutch opener 22 is axially displaced in the direction of the arrow. In this case, the clutch 21 shuts off the flow of the gaseous energy carrier at the same time.
- FIG. 5 shows, with reference to FIGS. 1 to FIG. 4, an additional embodiment of the arrangement according to the invention a signal line 60 which is pneumatically or electrically constructed and coupled to the transmission line 20 .
- the signal line 60 forms a further protective device for the transmission line 20 and monitors it for an extra-operational disconnection.
- the signal line is connected to fasteners 62 on both the vehicle 10 and the trailer 10A. It is laid and dimensioned in such a way that it follows operational movements of the vehicle 10-trailer 10A combination without damage.
- the transmission line 60 When separation of the combination 10-10A is imminent, the transmission line 60 is stretched and a predetermined tensile stress value is exceeded, while at this moment the signal line 60 is already being damaged by its laying and dimensioning and thus indicates the impending separation at an early stage.
- the damage to the signal line 60 generates a signal (drop in pressure, idling) that the switchable shut-off valves 61, which are provided in the vehicle 10 and in the trailer 10A as part of a delivery line or as part of the transmission line 20 for the gas-based energy carrier, after according to the well-known fail-safe principles.
- the transmission line 20 is then also separated as described above in the event of a non-operational train separation.
- the opening cables 52 described above are also used in the configuration described here.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022200963.0A DE102022200963A1 (de) | 2022-01-28 | 2022-01-28 | Anordnung zum Antrieb eines mit einem Anhänger gekoppelten Fahrzeugs |
| PCT/EP2022/083858 WO2023143776A1 (de) | 2022-01-28 | 2022-11-30 | Anordnung zum antrieb eines mit einem anhänger gekoppelten fahrzeugs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4433345A1 true EP4433345A1 (de) | 2024-09-25 |
| EP4433345B1 EP4433345B1 (de) | 2025-10-08 |
Family
ID=84536114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22823485.2A Active EP4433345B1 (de) | 2022-01-28 | 2022-11-30 | Anordnung zum antrieb eines mit einem anhänger gekoppelten fahrzeugs |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20250229811A1 (de) |
| EP (1) | EP4433345B1 (de) |
| DE (1) | DE102022200963A1 (de) |
| ES (1) | ES3058553T3 (de) |
| PL (1) | PL4433345T3 (de) |
| WO (1) | WO2023143776A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102024208876A1 (de) | 2024-09-17 | 2026-03-19 | Siemens Mobility GmbH | Anordnung zur Übertragung eines gasförmigen Energieträgers |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8038022B2 (en) * | 2009-10-02 | 2011-10-18 | Yi-Shan Yao | Highway vehicle towing system |
| US9611981B2 (en) | 2012-08-01 | 2017-04-04 | General Electric Corporation | Methods and systems for a rail vehicle including a source of gaseous natural gas |
| DE102012016234A1 (de) * | 2012-08-07 | 2014-02-13 | e-drives UG (haftungsbeschränkt) | Anhänger für ein Fahrzeug und Verfahren zur Steuerung und Betrieb |
| ES2776403T3 (es) | 2016-02-29 | 2020-07-30 | Huebner Gmbh & Co Kg | Pasarela de intercirculacion entre dos partes de vehículo conectadas de modo articulado entre ellas |
| EP3308988B1 (de) | 2016-10-12 | 2020-01-01 | Hübner GmbH & Co. KG | Übergangsbalg eines übergangs zwischen zwei gelenkig miteinander verbundener fahrzeuge |
| DE102018205837B3 (de) * | 2018-04-17 | 2019-09-26 | Siemens Aktiengesellschaft | Verfahren zum Betreiben eines Fahrzeugs sowie Fahrzeug |
| DE102019203105A1 (de) | 2019-03-07 | 2020-09-10 | Siemens Mobility GmbH | Fahrzeug und Betriebsverfahren für ein Fahrzeug |
| DE102018211989B4 (de) | 2018-07-18 | 2024-11-21 | Siemens Mobility GmbH | Fahrzeug und Betriebsverfahren für ein Fahrzeug |
| DE102019212071A1 (de) * | 2019-08-12 | 2021-02-18 | Zf Friedrichshafen Ag | Antriebsanordnung für einen Anhänger und Anhänger |
-
2022
- 2022-01-28 DE DE102022200963.0A patent/DE102022200963A1/de not_active Withdrawn
- 2022-11-30 ES ES22823485T patent/ES3058553T3/es active Active
- 2022-11-30 EP EP22823485.2A patent/EP4433345B1/de active Active
- 2022-11-30 US US18/833,999 patent/US20250229811A1/en active Pending
- 2022-11-30 PL PL22823485.2T patent/PL4433345T3/pl unknown
- 2022-11-30 WO PCT/EP2022/083858 patent/WO2023143776A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022200963A1 (de) | 2023-08-03 |
| WO2023143776A1 (de) | 2023-08-03 |
| EP4433345B1 (de) | 2025-10-08 |
| ES3058553T3 (en) | 2026-03-11 |
| US20250229811A1 (en) | 2025-07-17 |
| PL4433345T3 (pl) | 2026-02-23 |
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