The disclosure relates to a tank for storing volatile gas under pressure and a structure comprising the tank. The tank has a wall formed of a filament wound carbon fibre reinforced polymer (CFRP). The CFRP may have a graphene nanomaterial filler dispersed in the polymer adhesive matrix. The structure includes a frame for bearing static and dynamic forces from internal and external loads, the frame including the tank, the tank being an active load bearing structural element configured as a stressed member in the frame such that, in the structure in use, the tank bears static and dynamic forces from internal and external loads. One or more of: the filament winding pattern of the carbon fibre, the wall thickness, the wall shape, or the material properties of the polymer matrix including the dispersed graphene; is configured such that the tank has mechanical properties required by the design of the structure.

A low-temperature tank includes a container main body. The container main body includes a metal liner forming a storage space and a wall member formed of carbon fiber reinforced plastic wound on an outer peripheral surface of the metal liner. The metal liner includes a bent portion that extends in two directions intersecting each other on a surface thereof and that is bent to project toward the storage space.

A composite resin tank includes a wall joined to a dome along a joint. A softening strip is located in the joint.

A heat exchange system includes cooling tubes that carry coolant and are placed on an external surface of a storage tank, which may be spherical, cylindrical, or other shape. The storage tank may be a cryogenic rocket fuel tank. The cooling tubes are bent to particular radius of curvatures that correspond to the varying curvatures of the storage tank. A network of spacers and bridge brackets with adjustable setscrews are used to precisely place the cooling tubes in correct positions on the external surface of the storage tank. Once placed in the desired position, the setscrews are adjusted to maximize the surface area contact between the cooling tubes and the exterior surface of the storage tank, resulting in optimal heat transfer without overstressing the materials of the tubing or the storage tank. The precisely positioned tubes may then be permanently affixed to the exterior surface of the storage tank using a cryogenic adhesive.

A hybrid softening strip for controlling stresses in a joint at low temperatures includes a layer of sacrificial material that can be tailored to fit the softening strip in the joint after the softening strip has been bonded to a structure.

A set (10) for dispensing liquefied gas from a vessel (100) comprises a supporting structure (1), a pump (2) and a conditioning system (4). The supporting structure is designed for maintaining both the pump and the conditioning system inside the vessel when the set is in operation condition for dispensing a flow of liquefied gas. The set allows easy handling, simple fitting to the vessel and easy removal from the vessel because a main part of said set can be handled as a one-block element.

A pressurization device for pressurizing an enclosure may include a container containing a pressurized fluid, a pin that is inserted into the container, an actuator, and a heating device operably coupled to the actuator. The actuator may initially hold the pin in a closed position and allow the pin to move to an open position, disengaging from the container when the actuator increases in temperature. The pressurized fluid may force the pin toward the open position to release the pressurized fluid from the container. The actuator may include a frangible hollow bulb configured to fracture at a pre-defined temperature. The pressurized fluid may be vented into the enclosure through at least one fluid passage in fluid communication between the enclosure and the container.

A tank device for a tank liquid comprises a pressure vessel with a first chamber for the tank liquid and second chamber arranged in an interior of the tank. The first and second chamber are closed off with respect to each other and are in operative connection via at least one membrane which separates the first and second chambers and is capable of vibration. The tank device further comprises a controllable element for effecting a pressure surge in the pressure vessel, a pressure sensor for detecting a pressure vibration resulting from the pressure surge and a temperature sensor for measuring a temperature prevailing in the pressure vessel. An evaluation device of the tank device is configured to determine a current gas volume in the pressure vessel from a respectively detected pressure vibration and a measured temperature to thereby calculate the mass of the tank liquid.

Example implementations relate to Additive Manufacturing (AM) pressurization diffusers. An example diffuser includes an integral component configurable for receiving and diffusing pressurant. Particularly, the integral component includes multiple elements manufactured as a single-piece structure, including an inner filter, outer shell, and flange. The inner filter includes micro-diamond holes that enable pressurant received at an opening of the inner filter to diffuse out of the inner filter and subsequently through holes positioned in a shell surface of the outer shell. The flange can position the diffuser such that the opening of the inner filter is in pressurant communication with a pressurant source (e.g., opening of a tank) enabling the diffuser to receive and diffuse pressurant in a predefined pattern. For example, when the diffuser is positioned inside a tank, the diffuser can have a frustum configuration that helps diffuse pressurant upwards towards inner sidewalls of a pressure vessel, tube or channel.

A pressure vessel (100) is provided which includes a tubular body (101) constructed from a composite material. A pair of end caps (103, 105) are adhesively secured to opposite ends (107, 09) of the body (101). A flexible, fluid impervious lining (111) is provided internally of the body (101). The flexible, fluid impervious lining (111) is formed from a thin coating applied to the body so that the pressure vessel (100) is sufficiently lightweight.