A method for producing a hollow body for storing gases, the hollow body including at least one boss part having a projection. The method includes providing a sheathing composed of a plastic material or a reactive material, over the at least one boss part, at least in a region of the projection. The sheathed at least one boss part is then heated and introduced into a blow mould, where it is surrounding with a plastic tube to form the hollow body. The plastic tube is then brought into permanent contact with the sheathing on the projection to thereby obtain a permanent material connection between the plastic of the plastic tube to the plastic or the reactive material of the sheathing. An internal pressure is then applied to the plastic of the plastic tube to obtain a final shape of the hollow body.

The invention relates to a device basically consisting of the packaging of matrices of parallel tubes that act as pressurised containers. Both ends of each tube are hermetically connected to collectors located in the vicinity of the ends of the tubes. The collectors have multiple accommodations distributed according to the packing pattern of the tube matrix, there being an accommodation for each tube end. At least one collector has an internal channel that allows the connection of fluids between the tubes forming the tube matrix. This collector has an opening that allows fluid exchange between the inside of the tubes and the outside. The assembly comprising the tube matrix and collectors is surrounded by a structural belt. The collectors have a rounded geometry in the area of contact with the belt. Reinforcement fibres of the belt are mainly arranged parallel to the axis of the tubes. Reinforcement fibres of the tubes are mainly arranged in the circumferential direction of same. Those areas of the assembly comprising the tube matrix and collectors not covered by the belt are covered by casings. A rigid foam occupies the spaces between the outside of the tubes and the rest of the space inside the belts and the casings.

A tank for pressurized gas, such as hydrogen, comprises a structure, a base, a sealing jacket and a ring. The structure has a substantially cylindrical shape along an axis and includes at least one axial opening along the axis. The base is able to be positioned in said opening and comprises, on the inner side, a housing of revolution about the axis and a first fastener, and is pierced with at least one through pipe that is axial along the axis. The sealing jacket is flexible and tight, and is to cover the inner wall of the structure and comprises a neck able to be received in the housing. The ring is substantially of revolution about the axis, and comprises a second fastener able to cooperate with the first fastener in order to assemble the ring with the base, on the inner side, by bringing the ring closer to the base along the axis, so as to progressively press the neck between the ring and the base. The ring comes closer to the base following a movement parallel to the axis from the inside of the tank toward the outside. and A face of the housing opposite the neck and a face of the ring opposite the neck have a small taper.

A system for powering a vehicle is provided. The system can include an engine or power generation system to be powered by a fuel and a housing. The housing can be configured to couple to one or more frame rails of the vehicle, receive and protect a cylinder configured to store the fuel to be used by the engine or power generation system. The housing can have one or more access panels allowing access to an interior of the housing. The cylinder can include a first end portion, a second end portion, a central body forming an enclosed cavity for storing pressurized gas, a reinforcement structure disposed over the central body, and a metal foil interposed between the reinforcement structure and central body. The metal foil can be configured to reduce permeation of contents of the cylinder.

A method for producing a hollow body for storing gases, the hollow body including at least one boss part having a projection. The method includes providing a sheathing composed of a plastic material or a reactive material, over the at least one boss part, at least in a region of the projection. The sheathed at least one boss part is then heated and introduced into a blow mould, where it is surrounding with a plastic tube to form the hollow body. The plastic tube is then brought into permanent contact with the sheathing on the projection to thereby obtain a permanent material connection between the plastic of the plastic tube to the plastic or the reactive material of the sheathing. An internal pressure is then applied to the plastic of the plastic tube to obtain a final shape of the hollow body.

A gas enclosure can include a refractory metal liner; a ceramic matrix composite cladding; and a diffusion barrier layer. The refractory metal liner is adapted to surround and enclose a gas to be contained within the gas enclosure. The diffusion barrier layer is disposed between the refractory metal liner and the ceramic matrix composite cladding.

a solid state hydrogen storage system may include a storage container, a plurality of microcapsules received in the storage container, each of the microcapsules being formed by coating the surface of a solid state hydrogen storage material with a ferromagnetic material, and a coil configured to apply a variable magnetic field to the microcapsules received in the storage container.

Disclosed are gas cylinder assemblies for containing pressurized gas. The gas cylinder assembly has a polymeric liner and a low-permeability barrier layer. The polymeric liner a first end portion, a second end portion and a central body. The central body comprises an outer surface and an inner surface disposed between the first end and the second end. The gas cylinder assembly comprises a reinforcement structure wound over the central body. The gas cylinder assembly further comprises a metal foil interposed between the reinforcement structure and central body. The metal foil is configured to reduce permeation of contents of the polymeric liner.

The invention relates to a transport container for helium, comprising an inner container for receiving the helium, an insulation element that is provided on the exterior of the inner container, a coolant container for receiving a cryogenic liquid, an outer container in which the inner container and the coolant container are received, and a thermal shield which can be actively cooled with the aid of the cryogenic liquid and in which the inner container is received, wherein a peripheral gap is provided between the insulation element and the thermal shield, and said insulation element comprises an electrodeposited copper layer that faces the thermal shield.

A portable subsea storage tank for the storage of gas products under pressure or oil products consisting of pipeline sections in an array which can be coated in specialist coatings and recovered for inspection and re-use. A method of self-installing the subsea storage tank is also described.