Abstract: A pressure vessel for storing may have a connection piece for forming a fluid connection between the fuel storage volume V of the pressure vessel and an energy converter of a motor vehicle. At least part of the connection piece may extend out of the pressure vessel. An outer surface of the connection piece may have a sealing face and a curved fastening face. The sealing face may be designed to seal off the fluid connection between the pressure vessel and a fuel-conducting section of the motor vehicle. The fastening face may be provided for fastening the pressure vessel to at least one body attachment element.

Abstract: A pressure vessel, in particular a cryogenic pressure vessel, has an inner vessel, an outer vessel and a chamber that can be evacuated at least partly. A motor vehicle includes such a pressure vessel.

Abstract: A bearing for one or a plurality of pressure vessels configured to store gaseous fuel includes at least one bearing plate per pressure vessel and a mounting. The bearing plate on an inside has a clearance configured to pass through a longitudinal end of the pressure vessel, and on an outside has a periphery configured to receive a mounting. The mounting has a first part and a second part. The second part is fastened to the first part. The periphery or the peripheries of the bearing plates is/are received in one or a plurality of intermediate spaces between the first part and the second part. The bearing plates are convex in such a way that, when viewed in a longitudinal direction of the pressure vessel, the clearance is displaced in comparison to the periphery.

Abstract: A pressure vessel system for a motor vehicle comprises a plurality of pressure vessels for storing fuel. The pressure vessels are generally provided in the underfloor region of the motor vehicle, and the longitudinal axes of these vessels are expediently parallel to one another. At least one pressure vessel of the plurality of pressure vessels is a reinforced pressure vessel. At least one other pressure vessel of the plurality of pressure vessels is a reinforcement-free pressure vessel.

Abstract: A pressure vessel system has a pressure vessel for storing gaseous fuel, a fuel line, and a total-pressure sensor for measuring a total pressure of the fuel at a position within the fuel line. This makes it possible for various functions, such as the control of power reduction, for example, to be performed more accurately than if only static pressure were being used. The technology disclosed here also relates to an energy supply arrangement having such a pressure vessel system and having an energy converter, such as a fuel cell, for example.

Abstract: A method is provided for refueling a motor vehicle. The method include the steps of: acquiring at least one signal, wherein the signal contains information as to whether the motor vehicle has at least one device for preventing follow-up refueling; and providing fuel in accordance with the acquired signal.

Abstract: A control unit is provided for a pressure vessel system having at least one pressure vessel with a pressure vessel valve designed to convey fuel from the pressure vessel into a discharge line in order to supply an energy converter. The control unit is configured to determine that a reduced-power operating mode of the energy converter is present, wherein, in the reduced-power operating mode, the fuel mass flow for supplying the energy converter is less than or equal to a predefined mass flow threshold value. The control unit is further configured to cause the pressure vessel valve to be intermittently opened during the execution of the reduced-power operating mode, in order to convey in each case a surge of fuel from the pressure vessel into the discharge line.

Abstract: A pressure vessel for storing gaseous fuel has a vessel wall which surrounds an interior, wherein one or more ribs are formed on the vessel wall. A pressure vessel system, particularly for a motor vehicle, includes at least two such pressure vessels. A method is disclosed to form the ribs on the vessel wall of the pressure vessel.

Abstract: A pressure vessel system for a motor vehicle for storing fuel includes a plurality of pressure vessels that are combined to form a pressure vessel assembly. The pressure vessels, when mounted, are arranged substantially in parallel relative to one another, and the pressure vessels are fluidically interconnected via a common fuel line. The technology further relates to a fuel line comprising thermal insulation.

Abstract: The technology disclosed by the invention relates to a pressure vessel system for a motor vehicle for storing fuel, comprising a plurality of pressure vessels (100) that are combined to a pressure vessel assembly (10), the pressure vessels (100), when mounted, being arranged substantially in parallel relative to each other, and the pressure vessels (100) being fluidically interconnected via a common fuel line (200).

Abstract: A method is provided for refueling a motor vehicle. The method include the steps of: acquiring at least one signal, wherein the signal contains information as to whether the motor vehicle has at least one device for preventing follow-up refueling; and providing fuel in accordance with the acquired signal.

Abstract: A pressure vessel for storing may have a connection piece for forming a fluid connection between the fuel storage volume V of the pressure vessel and an energy converter of a motor vehicle. At least part of the connection piece may extend out of the pressure vessel. An outer surface of the connection piece may have a sealing face and a curved fastening face. The sealing face may be designed to seal off the fluid connection between the pressure vessel and a fuel-conducting section of the motor vehicle. The fastening face may be provided for fastening the pressure vessel to at least one body attachment element.

Abstract: A control unit is provided for a pressure vessel system having at least one pressure vessel with a pressure vessel valve designed to convey fuel from the pressure vessel into a discharge line in order to supply an energy converter. The control unit is configured to determine that a reduced-power operating mode of the energy converter is present, wherein, in the reduced-power operating mode, the fuel mass flow for supplying the energy converter is less than or equal to a predefined mass flow threshold value. The control unit is further configured to cause the pressure vessel valve to be intermittently opened during the execution of the reduced-power operating mode, in order to convey in each case a surge of fuel from the pressure vessel into the discharge line.

Abstract: A pressure vessel arrangement includes a plurality of pressure vessels configured to store fuel, and a valve arrangement with at least one valve and a plurality of tank connectors. In the pressure vessel arrangement each pressure vessel of the plurality of pressure vessels is connected to one of the tank connectors. Further, in the pressure vessel arrangement the valve arrangement connects the tank connectors directly to one another and to the at least one valve, such that a fluid exchange which is not impaired at any time by way of a valve is brought about between the individual pressure vessels.

Abstract: A pressure vessel system has a pressure vessel for storing gaseous fuel, a fuel line, and a total-pressure sensor for measuring a total pressure of the fuel at a position within the fuel line. This makes it possible for various functions, such as the control of power reduction, for example, to be performed more accurately than if only static pressure were being used. The technology disclosed here also relates to an energy supply arrangement having such a pressure vessel system and having an energy converter, such as a fuel cell, for example.

Abstract: A motor vehicle with a pressure vessel system includes at least a first pressure vessel arranged in a first region of the motor vehicle and at least one second pressure vessel arranged in a second region of the motor vehicle having a lower intrusion probability than the first region. Fuel is preferentially removed first primarily from the at least one first pressure vessel. When the lower limit of fuel level or fuel temperature is reached in the at least one first pressure vessel, fuel is removed from the at least one second pressure vessel. If the fuel supply rate from the at least one first pressure vessel is lower than an overall fuel supply rate for an energy converter, fuel is removed from the at least one second pressure vessel to meet the overall fuel supply rate needed by the energy converter.

Abstract: A pressure vessel, in particular a cryogenic pressure vessel, has an inner vessel, an outer vessel and a chamber that can be evacuated at least partly. A motor vehicle includes such a pressure vessel.

Abstract: A method grants an enablement of refueling of a motor vehicle. The method includes the steps: i) detecting a tank temperature value which is indicative of the present temperature of at least one pressure vessel of the motor vehicle and/or of the fuel stored in the at least one pressure vessel; ii) determining a temperature difference value which is indicative of the present difference between the tank temperature value and an ambient temperature value which is indicative of the ambient temperature; and iii) releasing a tank flap, wherein the tank flap is released by the motor vehicle for the purposes of refueling only if the temperature difference value is lower than a temperature difference threshold value.

Abstract: In one aspect the present disclosure relates to a method of manufacturing a cryogenic pressure vessel. The method may include providing a metal lined, composite wrapped vessel which has a boss. The method may further include securing an inlet to the boss, and then encapsulating the metal lined, composite wrapped vessel within a metallic layer in a vacuum controlled environment to form an encapsulated inner tank subassembly. The method may further include securing at least one support to an exterior of the encapsulated inner tank subassembly, and within the controlled vacuum environment, applying a metal coating over the encapsulated inner tank subassembly and the at least one support to form a metal coated, encapsulated inner tank subassembly. The method may further include, within the controlled vacuum environment, encapsulating the metal coated, encapsulated inner tank subassembly within a metallic vacuum jacket, which forms the cryogenic pressure vessel.

Abstract: A service device for a pressure vessel system of a motor vehicle includes a service-device-side refueling coupling part which is connectable to a motor-vehicle-side refueling coupling part of the motor vehicle and a controller for activating the pressure vessel system. A method for the service of the pressure vessel system includes producing a connection between the service device and the pressure vessel system and activating the pressure vessel system by the service device.