EP4065877A2 - Energiebereitstellungssystem, fahrzeug, betankungsvorrichtung, verfahren zur bereitstellung von energie und verfahren zum betreiben einer betankungsvorrichtung - Google Patents
Energiebereitstellungssystem, fahrzeug, betankungsvorrichtung, verfahren zur bereitstellung von energie und verfahren zum betreiben einer betankungsvorrichtungInfo
- Publication number
- EP4065877A2 EP4065877A2 EP20808075.4A EP20808075A EP4065877A2 EP 4065877 A2 EP4065877 A2 EP 4065877A2 EP 20808075 A EP20808075 A EP 20808075A EP 4065877 A2 EP4065877 A2 EP 4065877A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy
- carrier medium
- pressure
- expansion
- energy carrier
- 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.)
- Pending
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/036—Very high pressure (>80 bar)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0157—Compressors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0358—Heat exchange with the fluid by cooling by expansion
- F17C2227/0362—Heat exchange with the fluid by cooling by expansion in a turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/04—Effects achieved by gas storage or gas handling using an independent energy source, e.g. battery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/065—Fluid distribution for refuelling vehicle fuel tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/07—Generating electrical power as side effect
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0139—Fuel stations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
- F17C2270/0178—Cars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- Energy supply system vehicle, refueling device, method for providing energy and method for operating a refueling device
- the invention relates to an energy supply system.
- the invention also relates to a vehicle, in particular a land vehicle and / or aircraft and / or watercraft.
- the invention further relates to a refueling device for energy carriers, which is in particular hydrogen.
- the invention also relates to a method for providing energy by means of an energy supply system.
- the invention also relates to a method for refueling an object, which comprises a tank device, with an energy carrier medium which is, in particular, hydrogen.
- DE 10 2016 220 345 A1 discloses a pressure vessel system for a motor vehicle, comprising at least one pressure vessel for storing fuel, and at least one pressure reducer that is fluidly connected to the pressure vessel, the at least one pressure reducer being a leakage-free fluid power machine.
- DE 102 37 164 A1 discloses a fuel cell system with a fuel cell unit, a fuel pressure accumulator for storing a fuel charged with accumulator pressure and a pressure reducing unit for reducing the accumulator pressure to an operating pressure.
- the pressure reducing unit is designed as a cooling device for cooling at least one cooling element.
- DE 10 2016 212 250 A1 discloses a motor vehicle comprising at least one pressure vessel for storing fuel, at least one fuel consumer, and at least one compressor which is arranged downstream of the at least one pressure vessel and upstream of the at least one fuel consumer. The compressor is designed to deliver the fuel from the pressure vessel to the fuel consumer.
- thermomechanical energy conversion A device for thermomechanical energy conversion is known from DE 10 2012 010 909 A1.
- a compressed gas drive for an expansion motor is known from DE 103 23 534 A1.
- a gas turbine engine in particular a hydrogen-powered gas turbine engine, is known from AT 35 304 B.
- the invention is based on the object of providing an energy supply system of the type mentioned at the outset which, in an application in which the energy supply system is used, brings about an increased degree of efficiency.
- an energy carrier medium supply device which includes an energy carrier medium a supply pressure provides that an energy supply device is provided which provides electrical energy for use by using the energy carrier medium, that a pressure reducing device is provided for reducing the supply pressure of the energy carrier medium to a working pressure or working pressure range of the energy supply device, and that one associated with the pressure reducing device is provided Expansion device is provided, which leads to an expansion of the energy carrier medium to reduce the pressure and makes available energy released during the expansion for use.
- the energy released during the expansion of the energy carrier medium can be used to reduce its pressure.
- the energy carrier medium is, for example, a gaseous medium, in particular a gaseous fuel, such as, for example, gaseous hydrogen.
- potential energy can be used which is stored in a compressed gas and is released during the expansion of the gas.
- the energy provided by means of the expansion device can be used, for example, to drive a vehicle or a machine.
- the energy provided can be used to supply an electric drive device by converting it into electrical energy.
- the working pressure or working pressure range of the energy supply device is below the supply pressure with which the energy carrier medium is made available by the energy carrier medium supply device.
- the energy carrier medium is a fuel and / or a fuel
- the energy supply device provides energy for use by burning the fuel and / or the fuel.
- Combustion is to be understood in particular as a combustion reaction in the chemical sense.
- a combustion is also to be understood as a cold combustion, as occurs, for example, in the case of a fuel cell.
- the energy contained in the energy carrier medium is used and / or made available by means of the energy supply device through an energy conversion process.
- the energy conversion process is or includes, in particular, a chemical reaction, such as a redox reaction.
- energy contained in the energy carrier medium is converted by means of the energy supply device and, in particular, converted into motion energy and / or electrical energy and / or mechanical energy and / or thermal energy.
- the energy carrier medium is in particular a substance whose energy content can be used and / or provided by means of the energy supply device.
- the energy carrier medium is or comprises hydrogen and / or natural gas and / or methane and / or methanol.
- the energy carrier medium prefferably be or include compressed air.
- a pressure difference between the supply pressure and the working pressure or working pressure range is at least 200 bar and in particular at least 650 bar and in particular at least 800 bar and in particular at least 1000 bar.
- the working pressure or working pressure range and / or the pressure difference are dependent on the type and / or nature of the energy supply Facility.
- the supply pressure and / or the pressure difference are dependent on an amount of the energy carrier medium stored in a storage device.
- a pressure difference between the supply pressure and the working pressure or working pressure range is at most 1050 bar and in particular at most 900 bar and in particular at most 750 bar.
- a pressure difference between the supply pressure and the working pressure or working pressure range is approx. 1035 bar or approx. 850 bar or approx. 700 bar or approx. 697 bar.
- a liquid and / or gaseous energy carrier medium is made available by means of the energy carrier medium supply device.
- liquid and / or gaseous fuel such as hydrogen, is provided.
- the working pressure range of the energy supply device is at least 1 bar and in particular at least 2 bar and / or at most 4 bar and in particular at most 3 bar.
- the working pressure of the energy supply device is approx. 3 bar.
- the energy carrier medium when the supply pressure is reduced in the pressure reducing device, the energy carrier medium is not chemically changed and / or is not oxidized and / or reduced in the pressure reducing device.
- the energy carrier medium coupled into the pressure reducing device corresponds chemically from the pressure reducing device to the coupled energy carrier medium.
- the pressure reducing device is supplied with unburned fuel and / or the pressure reducing device provides unburned fuel to the energy supply device.
- the pressure reducing device is arranged on a connection device for establishing a fluid connection between the energy carrier medium supply device and the energy supply device and / or is assigned to a connection device for producing a fluid connection between the energy carrier medium supply device and the energy supply device is.
- the pressure reducing device can be integrated into the energy supply system in a technically simple manner.
- the pressure reducing device is integrated into the connecting device.
- the energy supply system can be made compact.
- the pressure reduction device and / or the connection device are arranged between the energy carrier medium supply device and the energy supply device in relation to a flow direction of the energy carrier medium.
- the flow direction of the energy carrier medium is to be understood in particular as a main flow direction and / or main flow direction of the energy carrier medium from the energy carrier medium supply device to the energy supply device.
- the pressure reducing device is arranged, for example, on at least one line element of the connecting device, by means of which a fluid-effective connection between the energy carrier medium supply device and the energy supply device is or can be produced.
- energy carrier medium and / or fluid can be passed through the at least one line element.
- the at least one line element is or comprises, for example, a pipe element for the passage of energy carrier medium and / or fluid.
- the connecting device comprises, for example, one or more line elements and / or pipe elements through which the energy carrier medium can be passed and / or through which the energy carrier medium can flow.
- the energy carrier medium supply device is or comprises a storage device for the energy carrier medium, and in particular if the storage device is a tank and / or a pressurized gas tank and / or a hydrogen tank and / or a natural gas tank and / or a methane tank and / or a methanol tank.
- the energy supply system can be used, in particular, in a mobile manner and / or integrated into a vehicle.
- the storage device is a metal hydride storage.
- the energy carrier medium can be stored and / or stored and / or transported by means of the storage device.
- the energy carrier medium can be stored in the storage device at a pressure of at least 150 bar and in particular at least 200 bar and in particular at least 650 bar and in particular at least 800 bar and in particular at least 1000 bar.
- energy carrier medium with a pressure of approx. 200 bar and / or approx. 700 bar and / or approx. 850 bar and / or approx. 1035 bar can be stored in the storage device.
- natural gas with a pressure of approx. 200 bar and / or hydrogen gas with a pressure of approx. 700 bar and / or approx. 850 bar and / or approx. 1035 bar can be stored in the storage device.
- the energy carrier medium can be stored in the storage device at a pressure of more than 1035 bar.
- the supply pressure is at least 150 bar and in particular at least 650 bar and in particular at least 800 bar and in particular at least 1000 bar and / or if the supply pressure is at most 1050 bar and in particular at most 900 bar and in particular at most 750 bar.
- the supply pressure is about 700 bar or about 850 bar or about 1035 bar.
- the energy carrier medium provision device is a connection or comprises a connection by means of which the energy carrier medium can be or is made available.
- the connection is, for example, a stationary building connection and / or a connection which is assigned to a storage device for an energy carrier medium.
- the energy supply device is or comprises a fuel cell, and in particular if the fuel cell is a hydrogen-oxygen fuel cell.
- hydrogen can be used as an energy carrier medium for the energy supply system.
- energy can be provided with a high degree of efficiency by means of the energy supply system.
- a natural gas-oxygen fuel cell can also be used as the fuel cell.
- the fuel cell is an alkaline fuel cell and / or a carbon-based fuel cell and / or a solid oxide fuel cell and / or a polymer electrolyte membrane fuel cell.
- the fuel cell uses CO2 and / or CO and / or H2O as the oxidizing agent.
- the energy supply device is an internal combustion engine or comprises an internal combustion engine.
- the internal combustion engine can be operated, for example, with hydrogen as the fuel or is operated with hydrogen as the fuel.
- the energy supply system comprises a drive device, in particular an electric drive device, the energy supply device and / or the expansion device providing energy, in particular electrical energy and / or mechanical energy, for the drive device.
- the provided electrical energy and / or mechanical energy is coupled into the drive device.
- the energy provided by the energy supply device and / or by the expansion device can thereby be converted with a high degree of efficiency into kinetic energy, for example to drive a vehicle.
- the drive device is in particular electrically effective and / or mechanically effective connected to the energy supply device and / or to the expansion device and / or to an electrical generator device of the pressure reducing device.
- the drive device is or comprises, in particular, an electric drive device.
- the electric drive device comprises one or more electric motors which can be operated, for example, with direct or alternating current.
- the electric motors are electrically connected to the energy supply device.
- the drive device has a gear device for coupling and / or decoupling mechanical energy to / from the drive device.
- the transmission device comprises, for example, one or more planetary gears.
- the transmission device is mechanically connected to the energy supply device and / or to the expansion device and / or to an electric drive device of the drive device.
- This electric drive device is supplied with energy for example by means of the Expansionseinrich device and / or by means of an electric generator device of the pressure reducing device.
- the energy supply device provides electrical energy.
- the energy supply device is electrically effectively connected to an electric drive device of the energy supply system and / or to an electrical battery device of the energy supply system.
- the electric drive device By means of the electric drive device, the electrical energy provided can be converted into kinetic energy and / or rotational energy with a high degree of efficiency.
- the electrical energy can be buffered and / or stored by means of the electrical battery device.
- the energy supply device may provide mechanical energy and, in particular, kinetic energy and / or rotational energy. This is the case, for example, when the energy supply device is designed as an internal combustion engine.
- the energy supply system comprises an electrical battery device, with the electrical battery device as well the energy supply device and / or with a drive device of the energy supply system and / or with an electrical generator device assigned to the pressure reducing device is electrically connected.
- Electrical energy can be buffered and / or stored by means of the electrical battery device.
- excess energy can be buffered and / or stored by means of the electric battery device, which is provided in particular by the electric generator device and / or by the energy supply device.
- the buffered and / or stored energy can then be used, for example, at a later point in time to supply the electric drive device.
- the electric battery device is directly connected to the electric drive device.
- the direct connection is to be understood in particular as the fact that the battery device is not or not exclusively connected to the electric drive device via the energy supply device.
- the expansion device has at least one expansion element, the at least one expansion element being or including a gas expansion turbine and / or a gas expansion motor and / or a compressed gas piston motor and / or a vane motor.
- the energy carrier medium and / or gas can be expanded to reduce the pressure and the energy released during the expansion can be converted into mechanical energy and / or motion energy, for example.
- the at least one expansion element is or comprises a membrane element and / or a piezoelectric element.
- Membrane or piezoelectric elements work oil-free due to their function.
- the expansion device can be operated in particular oil-free.
- the at least one expansion element has an input via which the energy carrier medium and / or gas with an input pressure can be coupled into the at least one expansion element, and an output via which energy carrier medium and / or gas from the at least one Expansion element can be decoupled with an output pressure, the output pressure being lower than the input pressure.
- a pressure difference between the inlet pressure and the outlet pressure is dependent on the type and / or nature of the at least one expansion element.
- an inlet pressure is, for example, at least 6 bar and / or at most 15 bar.
- a pressure difference between the inlet pressure and the outlet pressure in vane motors and / or compressed gas piston motors is, for example, at least 1 bar and / or at most 15 bar.
- the at least one expansion element has, for example, at least one mechanical shaft element.
- the at least one mechanical shaft element is in particular movable and / or rotatable.
- the energy released during expansion can be decoupled as mechanical energy and / or kinetic energy, for example.
- the expansion device and / or at least one expansion element of the expansion device operate oil-free. In this way, contamination of the energy carrier medium during expansion can be avoided. Contamination of the energy carrier medium, in particular hydrogen, can damage the energy supply device, in particular the fuel cell, for example. It can be beneficial if the energy released during the expansion of the energy carrier medium is converted into mechanical energy and / or kinetic energy by means of the expansion device, and in particular if the expansion device is connected to an electrical generator device of the pressure reducing device by means of at least one mechanical shaft element. In this way, the energy released during the expansion of the energy carrier medium can be decoupled from the expansion device in a technically simple manner and, in particular, converted into electrical energy which can be used, for example, by an electric drive system.
- the energy released during the expansion of the energy carrier medium is converted into electrical energy and in particular directly into electrical energy by means of the expansion device, for example by means of a piezoelectric element.
- At least one expansion element of the expansion device has at least one mechanical shaft element.
- the at least one mechanical shaft element can be driven by means of a piston element and / or a rotor element and / or a paddle wheel element of the at least one expansion element.
- the pressure reducing device has an electrical generator device, which converts energy released into electrical energy during the expansion of the energy carrier medium to reduce the pressure.
- the electric generator device is connected to an electric drive device and / or to an electric battery device of the energy supply system.
- the energy released during the expansion and / or the pressure reduction of the energy carrier medium can be made available for use by the electric drive device.
- mechanical energy or kinetic energy can be or is converted into electrical energy by means of the electrical generator device, the mechanical energy or kinetic energy being provided by the expansion device and / or by at least one expansion element of the expansion device.
- the expansion device has a plurality of expansion elements, the expansion elements being arranged one behind the other in relation to a flow direction of the energy carrier medium.
- a gradual reduction in the supply pressure of the energy carrier medium can thereby be carried out or is carried out. In this way, for example, a temperature drop and / or a temperature gradient at a respective expansion element can be reduced.
- the expansion elements each have at least one mechanical shaft element, the respective mechanical shaft elements of different expansion elements being connected to a transmission device.
- the transmission device is then connected, for example by means of a further mechanical shaft element, to an electrical generator device of the pressure-reducing device.
- the transmission device comprises one or more planetary gears.
- expansion elements that are different from one another are provided, by means of which a pressure reduction can be carried out or is carried out in each case in different pressure ranges from one another. In this way, a gradual reduction in the supply pressure can be achieved.
- several mutually different expansion elements of the expansion device are each designed differently and in particular each designed for different pressure areas. Under different pressure ranges are to be understood, for example, different inlet and / or outlet pressures and / or different pressure differences between inlet and outlet pressure on the respective expansion element.
- expansion elements of the expansion device that are different from one another are each designed in the same way and, in particular, are each designed for the same pressure areas.
- the expansion device has expansion elements in three different embodiments. These expansion elements are each designed for different pressure ranges, such as high pressure, medium pressure or low pressure.
- the expansion device has at least one high pressure expansion element and / or at least one medium pressure expansion element and / or at least one low pressure expansion element. A gradual reduction in the supply pressure of the energy carrier medium can thereby be carried out.
- the expansion device has a plurality of expansion elements, the expansion elements being arranged parallel to one another in relation to a flow direction of the energy carrier medium.
- the supply pressure of the energy carrier medium can be divided into several branches with expansion elements that differ from one another, as a result of which an inlet pressure at a respective expansion element is reduced. It can be used, for example, the Reduce pressure and / or temperature load on a respective expansion element.
- the expansion device it is also possible for the expansion device to have a combination of expansion elements arranged in parallel and one behind the other.
- the pressure reduction device has at least one bypass element for bypassing the expansion device and / or for bypassing at least one expansion element of the expansion device.
- the at least one bypass element is designed as a bypass, for example.
- the expansion device and / or the at least one expansion element can be bypassed and / or bridged in the event of a malfunction and / or fault.
- a large part of the energy carrier medium can bypass the at least one expansion element.
- an expansion element which is designed for a lower flow rate and / or a lower inlet pressure of the energy carrier medium can be used and / or an inlet pressure suitable for a certain expansion element can be provided.
- expansion elements with smaller spatial dimensions can be used if necessary, so that the energy supply system can be made compact and space-saving if required.
- a bypass element is assigned to each expansion element of the expansion device.
- one or more or all of the expansion elements of the expansion device can be bypassed and / or bridged.
- the energy supply system has a control and / or regulating device by means of which bypassing the respective expansion elements can be controlled and / or regulated. It can thereby be the pressure reducing device and / or Configure expansion device, for example, for different supply pressures of the energy carrier medium and / or for different working pressures or working pressure ranges of the energy supply device.
- the pressure reducing device has at least one pre-pressure reducing element which, with respect to a flow direction of the energy carrier medium, is connected upstream of the expansion device and / or at least one expansion element of the expansion device.
- a suitable inlet pressure for the expansion device and / or for the at least one expansion element can be provided by means of the admission pressure reduction element.
- the supply pressure of the energy carrier medium is reduced to an inlet pressure of the expansion device and / or of the at least one expansion element by means of the at least one admission pressure reduction element.
- the inlet pressure at the expansion device and / or at the at least one expansion element can in particular be made more uniform by means of the at least one admission pressure reduction element.
- the at least one admission pressure reduction element for example, in the case of a parallel connection of several expansion elements, the same input pressures can be provided for the respective expansion elements.
- the at least one admission pressure reduction element is arranged between an output of the energy carrier medium supply device and the expansion device in relation to the flow direction of the energy carrier medium.
- each expansion element of the expansion device is assigned a pre-pressure reducing element and / or is connected upstream.
- a suitable inlet pressure can be provided for the respective expansion elements.
- one or more pre-pressure reducing elements are then arranged between an outlet of an expansion element and an inlet of a further expansion element connected downstream of the expansion element, based on the direction of flow of the energy carrier medium.
- At least one bypass element for bypassing the expansion device is arranged between the at least one pre-pressure reducing element and an input of the energy supply device for the energy carrier medium.
- a direct connection can be established, for example, between an output of the admission pressure reduction element and the input of the energy supply device.
- the pressure reducing device has at least one downstream pressure reducing element, which is connected downstream of the expansion device and / or at least one expansion element of the expansion device in relation to a flow direction of the energy carrier medium.
- a suitable working pressure or working pressure range for the energy supply device can be provided by means of the downstream pressure reduction element. In this way, it is also possible, in particular, to make a pressure of the energy carrier medium provided to the energy supply device more uniform.
- the at least one downstream pressure reduction element is arranged between the expansion device and the energy supply device in relation to the direction of flow of the energy carrier medium.
- the at least one downstream pressure reduction element is arranged between a last expansion element of the expansion device and the energy supply device in relation to the direction of flow of the energy carrier medium.
- the at least one back pressure reduction element is used in combination with a compressed gas piston engine as an expansion element of the expansion device.
- the inlet pressure reducing element and / or the outlet pressure reducing element work, for example, on the principle of a pressure reducer and / or a pressure reducing valve or comprise a pressure reducer and / or a pressure reducing valve.
- each expansion element of the expansion device is assigned a back pressure reduction element and / or is connected downstream.
- the at least one downstream pressure reduction element can be bypassed by means of at least one bypass element of the pressure reduction device for bypassing the expansion device and / or at least one expansion element of the expansion device.
- the energy supply system is designed to be explosion-proof and / or has an explosion protection device.
- all fluid-carrying and / or gas-carrying components of the energy supply system are designed to be explosion-proof.
- the energy supply system can be used with flammable energy carriers such as hydrogen.
- An energy supply system according to the invention can advantageously be used in or with a vehicle.
- a vehicle in particular a land vehicle and / or aircraft and / or watercraft, which comprises an energy supply system according to the invention.
- the vehicle according to the invention has in particular one or more features and / or advantages of the energy supply system according to the invention.
- a drive device in particular an electric drive device, of the vehicle can be supplied with energy by means of the energy supply system according to the invention.
- the vehicle can thereby be driven by means of the energy supply system according to the invention.
- the vehicle is a motor vehicle such. B. dare a truck, a bus or a passenger car.
- the vehicle is a road and / or rail vehicle and / or a rail vehicle.
- the vehicle is a maritime vehicle and / or a ship and / or a submarine.
- the energy supply system according to the invention can be used to drive and / or supply energy for pneumatic machines or tools, for example in the fields of medicine and production.
- the energy supply system according to the invention can be used for pressure storage systems.
- the energy supply system according to the invention can be used for stationary or mobile applications.
- the energy supply system according to the invention can be used to supply energy and, in particular, electrical energy for systems for house energy supply or for emergency power supply.
- the energy supply system according to the invention can be used for power supply and in particular for power supply by means of hydrogen as the energy carrier medium.
- An energy supply system according to the invention can also be used in an advantageous manner in a refueling device for an energy carrier medium, the energy carrier medium being in particular hydrogen (in particular gaseous hydrogen).
- pressure energy can be recovered, which can then be used accordingly.
- a refueling device for energy carrier medium is provided in the energy supply system according to the invention, wherein the energy carrier medium is in particular hydrogen, and wherein the refueling device comprises the energy carrier medium supply device, the pressure reduction device and the expansion device, and wherein the energy supply device on a object to be refueled is arranged.
- the object to be refueled is, for example, a vehicle which is provided with a corresponding energy supply device.
- the object to be refueled comprises a tank device which can be refueled via the refueling device.
- the energy carrier medium provision device provides energy carrier medium at a first pressure level, and energy carrier medium is stored in the object's tank device at a second pressure level, the second pressure level being lower than the first pressure level.
- pressure energy can be recovered, which is then used, for example, to generate a usable electrical current.
- a refueling device for energy carrier medium which is in particular hydrogen
- an energy carrier medium supply device which comprises a pressure reduction device for the energy carrier medium which comprises an expansion device which is assigned to the pressure reduction device and which is used to expand the energy carrier medium
- Performs pressure reduction which comprises at least one output connection for energy carrier medium, wherein the pressure reducing device is in fluidly effective connection with the at least one output connection, and which comprises an electrical generator device, which is coupled to the expansion device and which provides usable electrical power.
- the refueling device provides energy carrier medium at a pressure level of an operating point or operating point range.
- This working point or working point range is selected such that a tank device on an object to be refueled can be filled via a corresponding pressure difference.
- this pressure difference does not have to be the same in all phases of the refueling process. At the beginning of a refueling process, this pressure difference can also be lower.
- the pressure reducing device can then be used in order to reduce the pressure, and energy released by the expansion device can be provided by means of which, in turn, a usable electrical current can be generated via the electrical generator device.
- This usable electrical current can be used for the refueling device and / or an object to be refueled. For example, lighting or a display of the refueling device can be operated accordingly. For example, one or more electric motors of the refueling device can be supplied with electrical energy accordingly by the usable electrical current. It is also alternatively or additionally possible that an object to be refueled accordingly is supplied with electrical energy and, for example, a rechargeable battery device of the object to be refueled is charged.
- the pressure reducing device / expansion device can be switched off or bypassed in order to enable a high degree of filling.
- the energy carrier medium provision device provides energy carrier medium at a first pressure level, and that energy carrier medium is received in a tank device to be refueled at a second pressure level, the second pressure level being lower than the first pressure level.
- a refueling process can then be driven accordingly through the pressure difference between the first pressure level and the second pressure level.
- the first pressure level is selected in comparison to the second pressure level in such a way that a high degree of filling can be achieved for the tank device.
- the energy carrier medium provision device comprises a compressor device which makes energy carrier medium available at the first pressure level.
- the first pressure level can then be achieved in a targeted manner by operating the compressor device in order to fill the tank device with a high degree of filling.
- the energy carrier medium provision device comprises a storage device for energy carrier medium which provides the compressor device with energy carrier medium at a third pressure level which is lower than the first pressure level.
- the pressure reducing device (as well as) and the energy carrier medium supply device are in fluid connection with the at least one delivery connection, and if a bypass device is provided, which fluidly interacts with the energy carrier medium supply device and the at least one delivery connection is connected, wherein in particular the bypass device is arranged parallel to the pressure reduction device.
- the pressure reducing device can be bypassed via the bypass device.
- the energy carrier medium can be provided at the at least one delivery connection at a high pressure level, if necessary. If this pressure level is not required, the energy carrier medium can be fed to the pressure reducing device / expansion device and pressure energy can be recovered accordingly.
- a switchable and / or controllable and / or regulatable valve is arranged on the bypass device. As a result, a corresponding control or regulation can be achieved as required and the bypass device can be blocked or released.
- At least one of the following is provided: it can optionally be set whether the energy carrier medium is fed from the energy carrier medium supply device directly to the at least one delivery connection or is fed to the pressure reducing device; it is a control and / or regulating device for controlling and / or regulating a feed path of energy carrier medium from the energy carrier medium supply device is provided to the at least one delivery connection.
- the energy carrier medium can be provided at a high pressure level. If this is not necessary, pressure energy can then be recovered in particular by passing through the pressure reducing device and expansion device. This in turn enables usable electrical power to be generated.
- At least one electrical connection for providing usable electrical energy is provided, which is connected in an electrically effective manner to the electrical generator device and / or a battery device; the electrical generator device is connected to a rechargeable battery device; the electrical generator device and / or a battery device is electrically effectively connected to one or more electrical consumers of the refueling device; the electrical generator device and / or a battery device is electrically connected to a compressor device of the energy carrier medium supply device.
- a user can draw electrical energy from the at least one electrical connection of the refueling device. It can be For example, a battery device of an object that is being refueled with an energy carrier medium, or of another object, is charged with electrical current. During a refueling process, both energy carrier medium refueling and “current refueling” can then take place on a battery device.
- the refueling device has a rechargeable battery device, which is electrically effectively connected to the electrical generator device, then the corresponding generated electrical current can be used to charge the battery device. Electrical energy can be stored there, which can then be used at another point in time. For example, an electrical connection of the refueling device can then be supplied accordingly via the battery device.
- the electrical generator device and / or a battery device is connected in an electrically effective manner to one or more electrical consumers of the refueling device.
- An example of such electrical consumers is, for example, a lighting device of the refueling device or a display device.
- Such an electrical consumer can, for example, also be a corresponding drive of a compressor device. By recovering pressure energy, a corresponding electrical current can be made available for use by the refueling device.
- an energy carrier medium is provided with a supply pressure by means of an energy carrier medium supply device, by using the energy carrier medium provided by an energy supply device, energy is made available for use, and that the supply pressure of the energy carrier medium is increased by means of a pressure reducing device a working pressure or working pressure range of the energy supply device is reduced, the pressure Reduction device is assigned an expansion device, by means of which an expansion of the energy carrier medium for pressure reduction is carried out and energy released during the expansion is made available for use.
- the method according to the invention has in particular one or more features and / or advantages of the energy supply system according to the invention and / or the vehicle according to the invention.
- the method according to the invention can be or is carried out by means of the energy supply system according to the invention and / or the vehicle according to the invention.
- the energy supply system according to the invention and / or the vehicle according to the invention executes the method according to the invention or the method according to the invention can be executed by means of the energy supply system according to the invention and / or the vehicle according to the invention.
- the energy released during the expansion is converted into mechanical energy and / or kinetic energy and / or electrical energy and / or thermal energy.
- the energy released during expansion is first converted into mechanical energy and / or kinetic energy and then converted into electrical energy.
- a method for refueling an object which comprises a tank facility, is provided with an energy carrier medium, which is in particular hydrogen (gaseous hydrogen), the method comprising: Energy carrier medium is provided at a first pressure level and energy carrier medium is received in the tank device of the object at a second pressure level, the second pressure level being smaller than the first pressure level;
- energy carrier medium is provided at a first pressure level and energy carrier medium is received in the tank device of the object at a second pressure level, the second pressure level being smaller than the first pressure level;
- Energy carrier medium at the first pressure level is at least temporarily fed to a pressure reducing device which brings the energy carrier medium to a working pressure or working pressure range which is between the first pressure level and the second pressure level; an expansion of the energy carrier medium for pressure reduction is carried out at the pressure reducing device and a usable electrical current is generated by means of the energy released during the expansion.
- the method according to the invention has the advantages already explained in connection with the refueling device according to the invention.
- the working pressure or working pressure range is lower than the first pressure level and is sufficient to refuel the tank device, then pressure energy can be used and in particular "recovered” during a refueling process via the pressure reducing device with the expansion of the energy carrier medium. This in turn allows a usable electrical current to be generated, which can be used by the corresponding refueling device and / or by the object to be refueled.
- pressure energy cannot be recovered in a direct way.
- the pressure energy of the energy carrier medium is used to recover energy in the broader sense.
- the usable form of energy is obtained as kinetic energy at the expansion device from the gas expansion.
- an energy conversion is first necessary. If the energy carrier medium is brought to a suitable pressure level (in particular the first pressure level), for example by a compressor device, and then the pressure reducing device is lowered to a lower pressure level (and energy is converted on the expansion machine), then this becomes more certain measured partially recovered pressure energy when the total energy balance is considered.
- the usable electrical current is made available for an external object and / or is used to carry out a refueling process.
- the external object can be the object to be refueled or another object.
- the energy carrier medium is fed to the pressure reducing device.
- the pressure difference between the working pressure or working pressure range and the second pressure level at the beginning of a refueling process can be smaller than at the end of a refueling process.
- the first pressure level is preferably selected in such a way that a high degree of filling of the tank device can be achieved.
- the working pressure or working pressure range of the energy carrier medium can be below the first pressure level.
- the pressure reducing device can then be used to lower the pressure and thereby to recover pressure energy. In this phase, a usable electrical current can then be obtained.
- energy carrier medium is guided past the pressure reducing device via a bypass device and is fed directly to a delivery connection for energy carrier medium.
- a correspondingly high pressure difference can thus be achieved in order to achieve a high degree of filling of the tank device.
- no more usable electrical current is generated.
- a supply path for energy carrier medium is controlled and / or regulated from an energy carrier medium supply device to the delivery connection and, in particular, the supply path is varied in the course of a refueling process.
- the appropriate feed route can then be selected, in particular during a refueling process.
- a supply path for energy carrier medium to the delivery connection is selected, at which a pressure reduction takes place through expansion and a usable electric current is then generated accordingly. This results in an optimization of the efficiency.
- a feed path is selected which provides the energy carrier medium at a high pressure level and in particular at least approximately at the pressure level with which energy carrier medium is delivered by the energy carrier medium supply device.
- the terms "at least approximately” and “approximately” are to be understood as meaning that a value and / or a distance and / or an angle by a maximum of 10% and in particular by a maximum of 5% of the specified value and / or distance and / or angle deviates.
- the stated pressure information is to be understood as an absolute pressure information including the ambient pressure.
- FIG. 1 shows a schematic representation of an exemplary embodiment of an energy supply system
- FIG. 2 shows a schematic representation of a further exemplary embodiment of an energy supply system
- FIG. 3 shows a schematic representation of a first exemplary embodiment of an expansion element of the energy supply system
- FIG. 4 shows a schematic representation of a second exemplary embodiment of an expansion element of the energy supply system
- FIG. 5 shows a schematic representation of a third exemplary embodiment of an expansion element of the energy supply system
- FIG. 6 shows a schematic illustration of a vehicle, comprising an energy supply system
- FIG. 7 shows a variant of the exemplary embodiment of the energy supply system according to FIG. 2;
- FIG. 8 shows a variant of the exemplary embodiment of the energy supply system according to FIG. 1;
- FIG. 9 shows a further variant of the exemplary embodiment of the energy supply system according to FIG. 1;
- FIG. 10 shows a further variant of the exemplary embodiment of the energy supply system according to FIG. 1;
- FIG. 11 shows an exemplary embodiment of a refueling device in a schematic representation.
- FIG. 1 An exemplary embodiment of an energy supply system is shown in FIG. 1 and denoted there by 10.
- This energy supply system 10 is used, for example, to supply energy for a vehicle 12 (FIG. 6), in particular a land vehicle and / or motor vehicle, or for a machine, for example a pneumatic machine.
- the energy supply system 10 comprises an energy carrier medium supply device 14 and an energy supply device 16 which is fluidly connected to the energy carrier medium supply device 14 by means of a connection device 18.
- the connecting device 18 has, for example, one or more line elements 20, by means of which a fluid-effective connection is established.
- the energy carrier medium supply device 14 is designed as a storage device 21 and in particular as a hydrogen tank 22.
- the storage device 21 is in particular a high-pressure tank in which the energy carrier medium and in particular hydrogen is stored or can be stored at a pressure of, for example, approximately 700 bar.
- the energy carrier medium supply device 14 has an output 24 at which the energy carrier medium is made available with a supply pressure.
- the energy carrier medium can be decoupled from the energy carrier medium supply device 14 by means of the output 24.
- gaseous energy carrier medium is provided at the output 24.
- the supply pressure is approx. 700 bar.
- the energy carrier medium provided at the output 24 is, for example, hydrogen gas.
- the output 24 is connected by means of the connection device 18 to an input 26 for the energy carrier medium of the energy supply device 16.
- the energy carrier medium can be coupled into the energy supply device 16 by means of the input 26.
- the energy supply device 16 is or comprises a fuel cell 28, which is, for example, a hydrogen-oxygen fuel cell.
- the energy supply device 16 generates usable electrical energy using the energy carrier medium provided by the energy carrier medium supply device 14. To use the energy made available, the energy supply device 16 is connected to a drive device 30 in the exemplary embodiment shown.
- the drive device 30 is or comprises, for example, an electric drive device 32 which is operated by means of electrical energy.
- the electric drive device 32 is connected in an electrically effective manner to the energy supply device 16.
- the electric drive device 32 has, in particular, one or more electric motors 34, which are used, for example, to drive the vehicle 12.
- the energy carrier medium in particular gaseous fuel
- a working pressure or working pressure range of the energy supply device 16 is coupled into the energy supply device 16 via the input 26.
- the working pressure range is, for example, at least 1 bar and / or at most 3 bar.
- the working pressure is approximately 2 bar.
- a pressure reducing device 36 is provided, which is assigned to the connecting device 18 and / or is integrated into the connecting device 18. By means of the pressure reducing device 36, the supply pressure is reduced to the working pressure or working pressure range.
- an expansion of the energy carrier medium is carried out by means of the pressure reduction device 36. During this expansion, energy is released. For example, during the expansion of compressed gaseous energy carrier medium, potential energy contained in the gas is released.
- the energy supply system 10 comprises an expansion device 38 which is assigned to the pressure reducing device 36 and / or is integrated into the pressure reducing device 36.
- the expansion device 38 has one or more expansion elements 40, by means of which an expansion of the energy carrier medium is carried out and the energy released in the process is made available for use.
- the expansion device 38 has an expansion element 40.
- the expansion element 40 comprises an inlet 42 and an outlet 44.
- energy carrier medium and / or gas with an inlet pressure can be coupled into the expansion element 40.
- outlet 44 the energy carrier medium and / or gas with an outlet pressure can be decoupled from the expansion element 40.
- the outlet pressure is lower than the inlet pressure. There is a pressure difference between the output pressure and the input pressure, which drops at the expansion element 40.
- the inlet pressure and / or outlet pressure suitable for expansion element 40 and / or the pressure difference between inlet pressure and outlet pressure at the expansion element depends on the type and nature of expansion element 40. For example, the pressure difference is at least 150 bar and / or at most 700 bar.
- the pressure reducing device 36 and / or the expansion device 38 and / or the expansion element 40 are arranged in relation to a flow direction 46 of the energy carrier medium between the energy carrier medium supply device 14 and the energy supply device 16.
- the input 42 of the expansion element 40 is fluidly connected to the output 24 of the energy carrier medium supply device 14 by means of a first line element 20a.
- the output 44 of the expansion element 40 is fluidly connected to the input 26 of the energy supply device 16 by means of a second line element 20b.
- the expansion element 40 is, for example, a compressed gas piston engine or a vane motor or a gas expansion turbine. This is described in detail below.
- the energy released during the expansion of the energy carrier medium and / or gas is converted into mechanical energy and / or kinetic energy by means of the expansion element 40.
- the expansion element 40 has a mechanical shaft element 48 which is, for example, movable and / or rotatable.
- the pressure reduction device 36 comprises an electrical generator device 50 which, by means of the mechanical shaft element 48, is mechanically connected to the expansion element 40 connected is.
- the electrical generator device 50 converts the mechanical energy and / or kinetic energy coupled in by means of the mechanical shaft element 48 into electrical energy.
- the electrical generator device 50 works by means of electromagnetic induction.
- the electrical generator device 50 is, for example, effectively electrically connected to the drive device 30 and / or the electric drive device 32.
- the energy released when the energy carrier medium and / or the gas is reduced in pressure by means of the pressure reduction device 36 can be used, for example, to drive the vehicle 12.
- the energy supply system 10 has an electrical battery device 52, by means of which electrical energy can be buffered and / or stored.
- the electrical battery device 52 is effectively electrically connected to the electrical generator device 50 and / or to the drive device 30 and / or to the energy supply device 16.
- electrical energy from the electrical generator device 50 and / or the energy supply device 16 is coupled into the electrical battery device 52.
- Energy provided by the electrical battery device 52 and / or the energy supply device 16 is used, for example, to supply the drive device 30 with electrical energy.
- the pressure reducing device 36 has one or more pre-pressure reducing elements 54.
- a pre-pressure reduction element 54 is provided, which is arranged between the expansion element 40 and the energy carrier medium supply device 14 in relation to the flow direction 46 of the energy carrier medium.
- the pre-pressure reduction element 54 reduces the supply pressure, by means of which the energy carrier medium and / or gas is provided by the energy carrier medium supply device 14, to an input pressure or input pressure range suitable for the expansion device 38 and / or the expansion element 40.
- the pressure-reducing device 36 has at least one downstream pressure-reducing element 56.
- a back pressure reduction element 56 is provided, which is arranged between the expansion element 40 and the energy supply device 16 in relation to the flow direction 46 of the energy carrier medium and / or gas.
- the downstream pressure reduction element 56 reduces an output pressure with which the energy carrier medium and / or gas is decoupled from the expansion element 40 to a working pressure or working pressure range suitable for the energy supply device 16.
- the energy supply device 16 can be supplied with an energy carrier medium and / or gas with an at least approximately constant and / or uniform pressure.
- the pressure reducing device has at least one bypass element 58 for bypassing the expansion device 38 and / or the expansion element 40.
- a bypass element 58 is provided, by means of which the expansion element 40 can be bypassed and / or bridged. This allows the energy carrier medium and / or gas to be added As required, for example in the event of a malfunction and / or failure of the expansion device 38, bypass the expansion device 38 and / or the expansion element 40.
- the bypass element 58 has, for example, one or more line elements through which the energy carrier medium and / or gas can be passed.
- bypass element 58 is arranged between the energy carrier medium supply device 14 and the energy supply device 16 in relation to the flow direction 46 of the energy carrier medium and / or gas.
- the bypass element 58 has, for example, an input 60 for coupling gas and / or energy carrier medium and an output 62 for decoupling gas and / or energy carrier medium.
- the input 60 and / or the output 62 are, for example, each connected to the connecting device 18 and / or the first line element 20a or the second line element 20b by means of a valve element 64.
- valve element 64 is designed as a 3-way valve.
- the input 60 is arranged between the energy carrier medium supply device 14 and the expansion element 40, and in particular between the admission pressure reduction element 54 and the expansion element 40, in relation to the flow direction 46.
- the output 62 is arranged, for example, between the expansion element 40 and the energy supply device 16 and in particular between the downstream pressure reducing element 56 and the energy supply device 16.
- FIG. 2 Another exemplary embodiment of an energy supply system 10 ′ is shown in FIG. 2 and comprises an expansion device 38 ′ which has a plurality of expansion elements 40.
- the energy supply system 10 ′ is basically designed in the same way as the energy supply system 10 described above.
- the energy supply system 10 ′ has one or more features of the energy supply system 10 described above.
- the energy supply system 10 ′ basically has the same functionality as the energy supply system 10.
- the expansion device 38 ′ of the pressure reduction device 36 has a first expansion element 40a, a second expansion element 40b and a third expansion element 40c.
- the expansion elements 40a, 40b and 40c are arranged one behind the other in relation to the flow direction 46 of the energy carrier medium and / or gas.
- the expansion elements 40a, 40b and 40c are basically formed in the same way as the expansion element 40 described above.
- the expansion elements 40a, 40b and 40c each have the input 42 for energy carrier medium and / or gas and the output 44 for energy carrier medium and / or gas .
- the output 24 of the energy carrier medium supply device 14 is fluidly connected to the input 42 of the first expansion element 40a.
- the outlet 44 of the first expansion element 40a is fluidly connected to the inlet 42 of the second expansion element 40b.
- the outlet 44 of the second expansion element 40b is fluidically connected to the inlet 42 of the third expansion element 40c.
- the outlet 44 of the third expansion element 40c is fluidly connected to the inlet 26 of the energy supply device 16.
- the first expansion element 40a is, for example, a high pressure expansion element.
- energy carrier medium and / or gas with a pressure of at least 500 bar and / or at most 700 bar is coupled into the first expansion element 40a.
- the second expansion element 40b is, for example, a medium-pressure expansion element.
- energy carrier medium and / or gas with a pressure of at least 300 bar and / or at most 500 bar is coupled into the second expansion element 40b.
- the third expansion element 40c is, for example, a low-pressure expansion element.
- energy carrier medium and / or gas with a pressure of at least 5 bar and / or at most 15 bar is coupled into the third expansion element 40c.
- first expansion element 40a and / or the second expansion element 40b and / or the third expansion element 40c is preceded by a pre-pressure reducing element 54 in relation to the flow direction 46.
- a first pre-pressure reducing element 54a is provided, which is connected upstream of the first expansion element 40a, and a second pre-pressure reducing element 54b is provided, which is connected upstream of the second expansion element 40b, and a third pre-pressure reducing element 54c is provided , which is connected upstream of the third expansion element 40c.
- first expansion element 40a and / or the second expansion element 40b and / or the third expansion element 40c is followed by a downstream pressure reduction element in relation to the flow direction 46.
- the third expansion element 40c is followed by a back pressure reducing element 56.
- the downstream pressure reduction element 56 is used to provide a working pressure or working pressure range suitable for the energy supply device 16.
- first expansion element 40a and / or the second expansion element 40b and / or the third expansion element 40c is assigned a bypass element 58, by means of which the respective expansion element 40a or 40b or 40c can be bridged .
- a first bypass element 58a is assigned to the first expansion element 40a and a second bypass element 58b is assigned to the second expansion element 40b and a third bypass element 58c is assigned to the third expansion element 40c.
- the associated expansion element 40a or 40b or 40c can be bypassed and / or bridged by means of the respective bypass element 58a or 58b or 58c. In this way, for example, it is possible to control and / or regulate which of the expansion elements 40a, 40b and 40c are used to reduce the pressure.
- the pressure reducing device 36 can thereby be used with different supply pressures with which the energy carrier medium and / or gas is provided by the energy carrier medium supply device 14, or the pressure reducing device 36 can be adapted to different supply pressures.
- the third expansion element 40c and in particular the second expansion element 40b are bypassed by means of the third bypass element 58c or the second bypass element 58b, a suitable working pressure or working pressure range for the energy supply device 16 is created by means of the third pre-pressure reducing element 54c or the second pre-pressure reducing element 54b provided.
- the upstream pressure reducing elements 54c and 54b serve as corresponding downstream pressure reducing elements, which are connected after the expansion elements 40b and 40a.
- the expansion device 38 in a variant of the pressure reduction device 36, the expansion device 38 'alternatively or additionally has a plurality of expansion elements 40, which are arranged parallel to one another in relation to the flow direction 46 of the energy carrier medium and / or gas (FIG. 7).
- the expansion device 38 ′ comprises a plurality of expansion elements 40 which are connected in parallel to one another.
- the expansion elements 40a, 40b and 40c are provided.
- the expansion elements are in particular designed in the same way and / or for the same pressure areas. As an alternative to this, it is also possible that several of the expansion elements 40 have different properties and / or are designed for different pressure ranges from one another.
- a bypass element 58 (indicated in FIG. 7) to be assigned to one or more of the expansion elements 40 of the expansion device 38 ′. It can be provided that a bypass element 58 is assigned to each of the expansion elements 40 of the expansion device 38 ′.
- each of the expansion elements 40a, 40b and 40c is assigned and / or preceded by a pre-pressure reducing element 54a or 54b or 54c.
- a suitable inlet pressure can be provided for each of the expansion elements 40a, 40b and 40c.
- the drive device 30 comprises a transmission device 65.
- the exemplary embodiment shown in FIG. 8 in particular has one or more features and / or advantages of the energy supply system 10 described above. The same reference numerals are used for the same elements.
- the transmission device 65 comprises, for example, one or more planetary gears.
- the expansion element 40 is mechanically connected to the transmission device 65, for example by means of the mechanical shaft element 48.
- the energy supply device 16 is designed in particular as an internal combustion engine.
- the energy supply device 16 is mechanically connected to the transmission device 65, for example by means of a mechanical shaft element 48 ′.
- Mechanical energy and in particular kinetic energy and / or rotational energy are coupled into the transmission device 65 by means of the energy supply device 16 and the expansion element 40.
- the drive device 30 has a drive element 166 for decoupling mechanical energy and in particular kinetic energy and / or rotational energy.
- the drive element 166 is used, for example, to drive a vehicle and is connected, for example, to its wheels.
- the drive element 166 is mechanically connected to the transmission device 65, for example by means of a mechanical drive shaft element 168.
- the mechanical energy made available by the expansion element 40 is not coupled directly into the transmission device 65.
- the expansion element 40 is connected to the electrical generator device 50 by means of the mechanical shaft element 48.
- the electric generator device 50 is connected in an electrically effective manner to the electric motor 34 of the drive device 30, in particular via the electric battery device 52.
- the electric motor 34 converts coupled electrical energy into mechanical energy and in particular kinetic energy and / or rotational energy.
- the electric motor 34 is mechanically connected to the transmission device 65, for example by means of a mechanical shaft element 48'a.
- the expansion element 40 has a first mechanical shaft element 48a and a second mechanical shaft element 48b for coupling out mechanical energy.
- the first mechanical shaft member 48a is connected to the transmission device 65.
- the second mechanical shaft element 48b is connected to the electric generator device 50.
- the electric generator device 50 is connected to the electric motor 34, in particular via the electric battery device 52.
- the energy decoupled from the expansion element 40 is coupled into the drive device 30 as mechanical energy by means of the first mechanical shaft element 48a and coupled into the drive device 30 as electrical energy by means of the second mechanical shaft element 48b and the electrical generator device 50.
- the expansion element 40 is, for example, a compressed gas piston engine 66 (FIG. 3).
- the compressed gas piston engine comprises the input 42 for coupling gas and / or fluid and the output 44 for coupling out gas and / or fluid.
- one or more valve elements 68 for controlling a Arranged inflow and / or outflow of fluid to / from the compressed gas piston engine.
- the compressed gas piston engine 66 has one or more piston elements 70, which by means of one or more connecting rod elements 72 with a crankshaft 74 are mechanically connected.
- the crankshaft 74 is connected to the mechanical shaft element 48 for coupling out mechanical energy and / or kinetic energy.
- Compressed energy carrier medium and / or compressed gas is coupled in via input 42 and expanded in the compressed gas piston engine, piston elements 70 and / or crankshaft 74 being set in motion. Expanded energy carrier medium and / or expanded gas is decoupled from the compressed gas piston engine 66 via the outlet 44.
- the expansion element 40 is a vane motor 76 (FIG. 4).
- the vane motor 76 comprises the input 42 for coupling in the energy carrier medium and / or gas and the output 44 for coupling out the energy carrier medium and / or gas.
- the energy carrier medium and / or the gas flows through the vane motor 76, the energy carrier medium and / or the gas is expanded and a rotor element 78 of the vane motor 76 is set in motion.
- This rotor element 78 is movably and / or rotatably arranged with respect to a starter element 80.
- Arranged on the rotor element 78 are one or more lamella elements 82 which are connected to the rotor element 78 in a rotationally fixed manner.
- the rotor element 78 is connected to the mechanical shaft element 48.
- the expansion element 40 is designed as a gas expansion turbine 84.
- the gas expansion turbine 84 has the input 42 for coupling energy carrier medium and / or gas and the output 44 for decoupling energy carrier medium and / or gas.
- the gas expansion turbine 84 has a paddle wheel element 86 which is arranged within a housing 88 and is mounted rotatably and / or movably with respect to the housing 88 by means of a shaft element 90.
- compressed energy carrier medium and / or compressed gas is coupled into the gas expansion turbine 84 via the inlet 42 and expanded within the gas expansion turbine 84, the impeller element 86 being set in motion and / or rotation during the expansion. Expanded energy carrier medium and / or expanded gas is then decoupled via outlet 44.
- the shaft element 90 is connected to the mechanical shaft element 48, for example.
- the energy supply system 10 or 10 ' is used, for example, to drive the vehicle 12, which the energy supply system 10,
- the vehicle 12 is, for example, a land vehicle, aircraft, rail vehicle or watercraft.
- the vehicle 12 is a passenger vehicle, truck or bus.
- the vehicle 12 can be operated with hydrogen as the energy carrier medium.
- the energy supply system 10 functions as follows:
- the energy carrier medium supply device 14 provides an energy carrier medium for coupling into the energy supply device 16.
- the energy carrier medium is provided by the energy carrier medium supply device 14 with a supply pressure which is above the working pressure or working pressure range of the energy supply device 16.
- the pressure reduction device 36 reduces the supply pressure to the working pressure or working pressure range of the energy supply device 16.
- the energy carrier medium is expanded by means of the expansion device 38 to reduce the pressure, with energy and in particular potential energy being released during the expansion.
- the energy released during the expansion of the energy carrier medium is decoupled as mechanical energy and / or kinetic energy by means of the mechanical shaft element 48 and is coupled into the electrical generator device 50.
- the mechanical energy and / or kinetic energy is converted into electrical energy by means of the electrical generator device 50.
- the supply pressure is reduced by means of the pre-pressure reducing element 54 to an inlet pressure suitable for the expansion device 38.
- a pressure with which the energy carrier medium is decoupled from the expansion device is reduced to the working pressure or working pressure range of the energy supply device 16 by means of the downstream pressure reduction element 56. It can furthermore be provided that by means of the back pressure reducing element 46 an equalization of the pressure from to the Energy supply device 16 provided energy carrier medium is carried out.
- the electrical energy generated by the electrical generator device 50 is fed to the electrical battery device 52 and / or the drive device 30.
- the energy provided by the energy supply device 16 through the use of the energy carrier medium is supplied to the electric battery device 52 and / or the drive device 30.
- the electrical battery device 52 stores and / or buffers the electrical energy to be supplied.
- the electrical battery device 52 provides the coupled and / or stored energy for the drive device 30 when required.
- the hydrogen energy carrier medium is used.
- the energy carrier medium supply device 14 is or comprises, for example, the hydrogen tank 22.
- the energy supply device 16 is then embodied as a fuel cell 28, for example.
- the drive device 30 is designed as an electric drive device 32.
- the energy supply device 16 is designed, in particular, as an internal combustion engine.
- the energy provided by the internal combustion engine and the expansion element 40 for example mechanical and / or electrical energy, is coupled into the transmission device 65 and can be used, for example, by means of the drive element 166 to drive a vehicle.
- the mechanical energy provided by the expansion element 40 is first converted into electrical energy by means of the electrical generator device 50 and then converted into mechanical energy for coupling into the transmission device 65 by means of the electric motor 34 of the drive device 30 .
- the electrical energy provided by the electrical generator device 50 is buffered and / or stored by means of the electrical battery device 52.
- energy released during the expansion of the energy carrier medium and / or the hydrogen gas can be used to reduce the pressure.
- FIG. 11 An exemplary embodiment of a refueling device 102, which is shown schematically in FIG. 11 and denoted by 102, uses an energy supply system according to the invention, as will be explained in more detail below.
- the refueling device 102 comprises an energy carrier medium provision device 104.
- the energy carrier medium provision device 104 provides energy carrier medium and in particular gaseous energy carrier medium (and in particular gaseous hydrogen) at an outlet 106 at a first pressure level pi.
- the energy carrier medium provision device 104 comprises a memory 108 for energy carrier medium and in particular gaseous energy carrier medium.
- the energy carrier medium is stored in the memory 108 at a third pressure level p3.
- the third pressure level p3 is below the first pressure level pi.
- the memory 108 is fluidly connected to a compressor device 110 on.
- the compressor device 110 comprises a drive 112.
- the drive 112 in turn is or preferably comprises an electric motor.
- Energy carrier medium (and in particular gaseous energy carrier medium) is supplied from storage unit 108 to compressor device 110.
- the pressure level for the energy carrier medium is then raised by the compressor device 110 from the third pressure level p3 to the first pressure level pi.
- the refueling device 102 further comprises a pressure reduction device 114 with an expansion device 116.
- the pressure reduction device 114 with the expansion device 116 is connected to the outlet 106.
- the pressure level in the energy carrier medium can be reduced at the pressure reducing device 114 by means of expansion of the energy carrier medium.
- the pressure reduction device 114 with the expansion device 116 functions in principle in the same way as described above, for example by means of FIGS. 3 to 5.
- pressure reducing device 114 The combination of pressure reducing device 114 and expansion device 116 is followed by an electrical generator device 118.
- the coupling of the pressure reducing device 114 / expansion device 116 to the electrical generator device 118 is basically as described above.
- one or more electrical consumers of the refueling device 102 are supplied (directly or indirectly) with usable electrical power by the electrical generator device 118.
- an electrical consumer 120 is lighting or a display of the fueling device 102.
- the drive 112 of the compressor device 110 is also an electrical consumer of the refueling device 102, which can basically be provided with usable electrical current through the electrical generator device 118.
- the refueling device 102 comprises a rechargeable battery device 122, which is coupled in an electrically effective manner to the electrical generator device 118.
- Electrical energy which is provided by the electrical generator device 118, can be stored via the battery device 122.
- one or more electrical loads 120 (including, if applicable, the drive 112) to be supplied with usable electrical current via the battery device 122.
- the refueling device 102 has an electrical connection 124.
- the electrical connection is in an electrically effective connection with the electrical generator device 118 and / or with the battery device 122.
- the refueling device 102 can provide usable electrical power.
- the refueling device 102 has (at least) one delivery connection 126 for energy carrier medium. At this delivery connection 126 (in particular gaseous) energy carrier medium can be delivered to a working pressure or working pressure range.
- the delivery connection 126 is a dispensing connection of the refueling device 102, at which the corresponding energy carrier medium can be tapped.
- the combination of pressure reducing device 114 and expansion device 116 is fluidly connected to the delivery connection 126.
- the pressure level of the energy carrier medium is lowered starting from the first pressure level pi.
- An energy carrier medium (and in particular a gaseous energy carrier medium) with the working pressure or working pressure range below the first pressure level is then provided at the delivery connection 126.
- the refueling device 102 further comprises a bypass device 128, which connects the outlet 106 to the delivery connection 126.
- the bypass device 128 is arranged parallel to the pressure reduction device 114.
- a valve 130 is seated on the bypass device 128.
- the valve 130 can be switched and / or controlled and / or regulated.
- bypass device 128 it is possible to bypass the pressure reduction device 114 / expansion device 116 with regard to the energy carrier medium which is provided by the energy carrier medium supply device 104.
- valve 130 can be used to control or regulate whether the bypass device 128 is activated or not with regard to the flow of energy carrier medium.
- Energy carrier medium can then optionally flow through the bypass device 128 or the pressure reduction device 114.
- an energy carrier medium is provided at the delivery connection 126 at the first pressure level pi.
- energy carrier medium can also flow through the pressure reducing device 114 with the expansion device 116.
- the energy carrier medium is provided at the delivery connection 126 at the working pressure or working pressure range, which is smaller than the first pressure level pi.
- a control and / or regulating device 132 is provided which controls the valve 130 (and if necessary also controls the pressure reduction device 114 / expansion device 116).
- the bypass device 128 can, in particular, be activated or deactivated in a time-controlled manner. It can thereby be set at which pressure level the energy carrier medium is provided at the delivery connection 126.
- an object 134 such as a vehicle can be refueled with an energy carrier medium and, in particular, a gaseous energy carrier medium.
- the object 134 has a tank device 136.
- This tank device 136 is received after the fueling of the energy carrier medium at a second pressure level p2.
- the second pressure level p2 is lower than the first Pressure level pi of the energy carrier medium supply device 104 of the refueling device 102.
- the tank device 136 has a corresponding inlet connection 138.
- the tank device 136 When the inlet connection 138 is connected to the discharge connection 126, the tank device 136 can be filled accordingly.
- the object 134 has in particular an energy supply device 140, such as a fuel cell system.
- an energy supply device 140 such as a fuel cell system.
- the energy carrier medium from the tank device 136 supplies the energy supply device 140.
- the object 134 includes a battery device 142, which is a rechargeable battery device.
- the object 134 can be detached from the refueling device 102 after refueling.
- the vehicle can then “drive away” from the fueling device 102.
- An energy supply system is implemented via the refueling device 102 and the object 134, this energy supply system comprising the refueling device 102 and the energy supply device 140 on the object 134.
- the pressure level with which the energy carrier medium is provided at the delivery connection 126 is greater than the second pressure level p2 for energy carrier medium in the tank device 136.
- the refueling process of the tank device 136 is then driven by the corresponding pressure difference.
- the working pressure or working pressure range p4 of the energy carrier medium, which can be removed from the delivery connection 126 may be smaller than at a later point in time.
- the energy carrier medium which is present at the delivery connection 126 does not have to be at the high first pressure level pi. It is then possible in this intermediate phase to supply the energy carrier medium (with the valve 130 closed) to the pressure reduction device 114 / expansion device 116.
- the electrical generator device 118 can in turn generate a usable electrical current which can be used by one or more electrical loads 120 of the refueling device 102 and / or by the battery device 142 of the object 134.
- the valve 130 can be controlled via the control and / or regulating device 132 are opened (and, if necessary, the pressure reducing device 114 / expansion device 116 are fluidically decoupled).
- the energy carrier medium can be passed through the pressure reducing device 114 / expansion device 116 and a usable electrical current can be generated by the electrical generator device 118. This can be used by the refueling device 102 and / or by the object 134 and in particular to charge the battery device 142.
- the refueling device 102 is in particular a refueling device for hydrogen and in particular gaseous hydrogen.
- the first pressure level pi is 900 bar or more.
- the third pressure level p3 is approx. 200 bar to 300 bar.
- the pressure p2 is, for example, approx. 700 bar.
- the pressure energy can be recovered at the beginning of a refueling process.
- the high pressure level pi is used to fill the tank device 136.
- LIST OF REFERENCE NUMERALS Energy supply system 'energy supply system vehicle energy carrier medium supply device energy supply device connecting device line element a first line element b second line element storage device hydrogen tank output input fuel cell drive device electric drive device electric motor pressure reducing device expansion device' expansion device expansion element a first expansion element b second expansion direction mechanical shaft element a mechanical shaft element input expansion element a mechanical flow element 'mechanical shaft element' a mechanical shaft element electrical generator device electric battery device admission pressure reduction element a first admission pressure reduction elementb second admission pressure reduction elementc third admission pressure reduction element outlet pressure reduction element bypass element a first bypass element b second bypass element c third bypass element input output valve element gear unit compressed-gas piston element 6 drive element drive element valve element crankshaft element pneumatic piston element 6 drive element drive element valve element Gas expansion turbine Bucket wheel element Housing Shaft element 2 Refueling device Energy carrier medium supply device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Radiation-Therapy Devices (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019132546.3A DE102019132546A1 (de) | 2019-11-29 | 2019-11-29 | Energiebereitstellungssystem, Fahrzeug und Verfahren zur Bereitstellung von Energie |
| PCT/EP2020/082219 WO2021104912A2 (de) | 2019-11-29 | 2020-11-16 | Energiebereitstellungssystem, fahrzeug, betankungsvorrichtung, verfahren zur bereitstellung von energie und verfahren zum betreiben einer betankungsvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4065877A2 true EP4065877A2 (de) | 2022-10-05 |
Family
ID=73455709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20808075.4A Pending EP4065877A2 (de) | 2019-11-29 | 2020-11-16 | Energiebereitstellungssystem, fahrzeug, betankungsvorrichtung, verfahren zur bereitstellung von energie und verfahren zum betreiben einer betankungsvorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4065877A2 (de) |
| DE (2) | DE102019132546A1 (de) |
| WO (1) | WO2021104912A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122458B (zh) * | 2021-09-28 | 2023-09-19 | 东风汽车集团股份有限公司 | 氢燃料电池车辆及其供氢系统 |
| US12000291B2 (en) * | 2022-09-27 | 2024-06-04 | Sapphire Technologies, Inc. | Hydrogen cooling turboexpander |
| DE102023111357A1 (de) * | 2023-05-03 | 2024-11-07 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Vorrichtung zur Ermittlung der Menge an Brennstoff in einem Druckbehälter |
| EP4663996A1 (de) * | 2024-06-10 | 2025-12-17 | Linde GmbH | Verfahren zur wasserstoffbetankung und wasserstoffbetankungsanlage |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT35304B (de) | 1907-01-07 | 1908-11-25 | Arthur Wilzin | Schraubenkapselverschluß für Flaschen. |
| DE3403132A1 (de) * | 1984-01-30 | 1985-08-01 | Marian Dr.-Ing. 7311 Dettingen Mešina | Universaler druckgasmotor |
| DE3411987A1 (de) * | 1984-03-28 | 1985-10-10 | Siegfried San Lorenzo Calle Cerocora Konther | Verbrennungskraftmaschine, druckgasmotor oder kompressor in form eines kolbenmotors |
| DE10237164A1 (de) * | 2002-08-14 | 2004-02-26 | Robert Bosch Gmbh | Brennstoffzellenanlage |
| DE10323534A1 (de) * | 2003-05-24 | 2004-12-09 | Peters, Erhard, Dipl.-Ing. | Druckgasmotor für Fahrzeuge |
| JP2007278467A (ja) * | 2006-04-11 | 2007-10-25 | Honda Motor Co Ltd | 高圧ガス充填システム |
| FR2928991A1 (fr) * | 2008-03-18 | 2009-09-25 | Air Liquide | Dispositif et procede de stockage et de delivrance d'un gaz ainsi que son utilisation |
| DE102008034499A1 (de) * | 2008-07-24 | 2010-01-28 | Linde Ag | Speichervorrichtung für komprimierte Medien und Verfahren zum Betanken von Fahrzeugen |
| DE102012010909A1 (de) * | 2011-11-29 | 2013-05-29 | Egon Streit | Maschine zur thermomechanischen Energieumwandlung ermöglicht durch Druck -Temperatur - und Querschnittsdifferenzen |
| DE102012024385A1 (de) * | 2012-12-13 | 2014-06-18 | Linde Aktiengesellschaft | Einrichtung und Verfahren zur Erzeugung elektrischer Energie |
| JP2016176592A (ja) * | 2015-03-23 | 2016-10-06 | 株式会社日立プラントメカニクス | 水素プレクールシステム |
| EP3421865A4 (de) * | 2016-02-23 | 2019-10-30 | Hitachi Plant Mechanics Co. Ltd. | Expansionsturbine und hochdruckwasserstofffüllsystem vom verdichtertyp sowie steuerungsverfahren dafür |
| DE102016203797A1 (de) * | 2016-03-09 | 2017-09-14 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und System zur Druckminderung in einem Kraftfahrzeug |
| DE102016212250A1 (de) * | 2016-07-05 | 2018-01-11 | Bayerische Motoren Werke Aktiengesellschaft | Kraftfahrzeug und Verfahren zum Fördern von Brennstoff zu einem Brennstoffverbraucher eines Kraftfahrzeugs |
| DE102016220345A1 (de) * | 2016-10-18 | 2018-04-19 | Bayerische Motoren Werke Aktiengesellschaft | Druckbehältersystem und Betriebsmittelversorgungssystem für ein Kraftfahrzeug |
-
2019
- 2019-11-29 DE DE102019132546.3A patent/DE102019132546A1/de active Pending
-
2020
- 2020-11-16 EP EP20808075.4A patent/EP4065877A2/de active Pending
- 2020-11-16 DE DE202020005927.7U patent/DE202020005927U1/de active Active
- 2020-11-16 WO PCT/EP2020/082219 patent/WO2021104912A2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021104912A3 (de) | 2021-07-22 |
| DE102019132546A1 (de) | 2021-06-02 |
| WO2021104912A2 (de) | 2021-06-03 |
| DE202020005927U1 (de) | 2023-05-10 |
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