Abstract: A method for filling up a storage tank (e.g., a vehicle tank) with a gaseous, pressurized medium, in particular in the form of hydrogen, in which a supply tank system for storing the hydrogen is connected with the storage tank to be filled by way of a tank feed line and a fueling valve, wherein, prior to filling up the storage tank with aforesaid medium with the fueling valve closed, a flow of the medium for cooling the tank feed line is guided through the tank feed line at a predefinable target temperature, and removed from the tank feed line through a line that branches away upstream from the fueling valve. The disclosure further provides for a fueling facility for filling up a storage tank.

Abstract: A storage device for storing a gas, in particular for storing gaseous hydrogen, having a first chamber for receiving the gas and a locking device for closing and opening a flow path connected to the first chamber. The storage device further has an adjustment unit for volume change of the first chamber. Further there is disclosed a gas storage unit which is the storage device wherein the gas is stored in the first chamber and to a method for the at least partial filling or emptying of the gas storage unit.

Abstract: The invention relates to a method for filling up a storage tank (e.g., a vehicle tank) (20) with a gaseous, pressurized medium, in particular in the form of hydrogen, in which a supply tank system (2) for storing the hydrogen is connected with the storage tank (20) to be filled by way of a tank feed line (3) and a fueling valve (4), wherein, prior to filling up the storage tank (20) with aforesaid medium with the fueling valve (4) closed, a flow of the medium for cooling the tank feed line (3) is guided through the tank feed line (3) at a predefinable target temperature, and removed from the tank feed line (3) through a line (5) that branches away upstream from the fueling valve (4). In addition, the invention relates to a fueling facility (1) for filling up a storage tank (20).

Abstract: A method and device for compressing a gas-phase medium, particularly hydrogen or natural gas, wherein the medium may have a water content up to total saturation with water and wherein the medium is compressed in a single or multiple stages in at least one liquid-filled chamber. The liquid(s) that is/are used are an ionic liquid that is not susceptible to attack by the water contained in the medium to be compressed and/or a liquid with low vapor pressure that is not susceptible to attack by the water contained in the medium to be compressed, and the compressed medium undergoes a water separation stage.

Abstract: A multistage piston compressor for a gaseous or cryogenically liquefied medium with at least two compressor stages, which operatively interact with a shared drive train for purposes of joint powering, wherein each compressor stage exhibits a piston that is mechanically connected with the drive train, and arranged in a compressor cylinder so that it can longitudinally shift.

Abstract: A method and a device for compressing a gas-phase medium, particularly hydrogen or natural gas, in a single-stage or multistage process using at least one piston compressor, wherein the medium may have a water content up to total saturation with water. The medium to be compressed is heated before the compression at least to such point that the water is unable to condense out during the compression process, and the compressed medium undergoes a water separation process.

Abstract: The invention relates to a method for refuelling a storage container with a pressurised gaseous medium, in particular hydrogen, wherein this medium is introduced into the storage container via a tank supply line, wherein the temperature of the medium upon entry into the storage container and the pressure in the storage container are controlled in such a way that the enthalpy of the medium introduced into the storage container fluctuates within a preset enthalpy range or is constant.

Abstract: The invention relates to a filling station for a pressurized gas such as hydrogen or natural gas for refuelling a vehicle tank, wherein a storage tank (VT), a computer on the filling station side (PLC), which can open and close a discharge valve, a tank pipe between storage tank (VT) and vehicle tank to be filled and a communication connection (KV) to the vehicle are provided.

Abstract: A method for transporting and distributing gaseous hydrogen is described. In accordance with the invention, the gaseous hydrogen is transported in a pipeline network (hydrogen pipeline network) that is at least partially integrated into an existing pipeline network (support network), preferably a natural gas pipeline network. The gaseous hydrogen may be transported as a co- and/or counter-current to the medium flowing in the support network.

Abstract: A method and a device for compressing a gas-phase medium, particularly hydrogen or natural gas, in a single-stage or multistage process using at least one piston compressor, wherein the medium may have a water content up to total saturation with water. The medium to be compressed is heated before the compression at least to such point that the water is unable to condense out during the compression process, and the compressed medium undergoes a water separation process.

Abstract: A method and device for compressing a gas-phase medium, particularly hydrogen or natural gas, wherein the medium may have a water content up to total saturation with water and wherein the medium is compressed in a single or multiple stages in at least one liquid-filled chamber. The liquid(s) that is/are used are an ionic liquid that is not susceptible to attack by the water contained in the medium to be compressed and/or a liquid with low vapor pressure that is not susceptible to attack by the water contained in the medium to be compressed, and the compressed medium undergoes a water separation stage.

Abstract: A mobile compressed gas dispensing device, in particular a mobile hydrogen filling station, which is transported by means of a vehicle is disclosed. The device contains a drive unit, which serves to drive the vehicle, which transports the compressed gas dispensing device; at least one storage container, which is suitable for storing a compressed medium; at least one line, via which the storage container or the storage containers, respectively, can be connected to an external storage container, which is to be filled by the compressed gas dispensing device, and at least one compressor. The compressor is operatively connected to the drive unit of the vehicle in such a manner that it can be driven by said drive unit.

Abstract: A multistage piston compressor for a gaseous or cryogenically liquefied medium with at least two compressor stages, which operatively interact with a shared drive train for purposes of joint powering, wherein each compressor stage exhibits a piston that is mechanically connected with the drive train, and arranged in a compressor cylinder so that it can longitudinally shift.

Abstract: A method for operating a pistonless compressor, which serves the purpose of compressing a gaseous medium, in particular a cryogenic medium and in the cylinder of which a liquid column is moved up and down, is described.

Abstract: A compressor comprising a liquid acting as piston that is displaceable in the piston compartment is described. According to the invention, a piston dummy (5) that can be displaced with the liquid (3) is arranged in the liquid. This piston dummy (5) is preferentially designed in such a manner that upon reaching the top dead centre it brings about an acceleration of the liquid (3) in the ring gap defined by said piston dummy and the piston chamber wall.

Abstract: A displacer unit with a valve plate body is disclosed. The displacer unit having at least one displacer space which is arranged in a cylindrical drum rotating about an axis of rotation and which can be connected to an inlet connection and an outlet connection by a control surface. The control surface is formed on a valve plate body which is provided with a first control opening, which is connected to the inlet connection, and with a second control opening, which is connected to the outlet connection. The first control opening and the second control opening are spaced apart radially, where the displacer space can be connected to the first control opening by a first connecting passage and to the second control opening by a second connecting passage. The connecting passages are provided with a respective mechanical face seal for sealing relative to the control openings.

Abstract: Described is a method for filling a storage container with a gaseous, pressurized medium, preferably with gaseous, pressurized hydrogen. According to the invention, a determination of the internal storage container pressure takes place at the onset of the filling process by means of a pressure test impact and a filling process with time-controlled pressure increase up to the desired internal storage container pressure takes place subsequently as a function of the established internal storage container pressure.

Abstract: The invention relates to a compressor (1) for gaseous and/or cryogenically liquefied media comprising a first compressor piston (6) and a second compressor piston (7), which are operatively connected to an eccentric shaft (2), wherein the second compressor piston (7) is arranged substantially opposite to the first compressor piston (6) relative to the eccentric shaft (2). To solve the object of providing such a compressor with a small space requirement and low construction costs, it is proposed according to the invention for the compressor (1) to be embodied as an oscillating piston-type compressor, wherein the first compressor piston (6) is arranged on an eccentric ring (4), which is effectively connected to the eccentric shaft (2) and wherein the second compressor piston (7) is fastened to a pivot lug (8), which is effectively connected to the eccentric ring (4).

Abstract: The invention relates to a compressor for cryogenic media comprising at least one compressor cylinder in which a compressor piston is arranged, wherein the compressor piston interacts with a crankshaft by means of a connecting rod. To solve the object of attaining a secure operation and of attaining a long service life of the compressor by means of low production efforts, it is proposed according to the invention that the compressor piston is embodied as an oscillating piston.

Abstract: An engine having at least one displacer cylinder in which a liquid, in particular an ionic liquid, is arranged and which can be connected to a feed passage and a discharge passage for a medium, is disclosed. The liquid is operatively connected to a displacer device. The displacer cylinder is arranged in a cylindrical drum, rotatably mounted about an axis of rotation, at an angle to the axis of rotation of the cylindrical drum. In an embodiment, the displacer cylinder is arranged perpendicularly to the axis of rotation of the cylindrical drum, and the displacer cylinder is designed as a radial bore arranged in the cylindrical drum.