Device and method for filling pressurized gas tanks, comprising a fluid transfer circuit comprising an upstream end provided with a plurality of pressurized fluid sources and a downstream end comprising at least two distribution terminals each intended to be connected to separate tanks to be filled, each source comprising a first fluid outlet connected to a first respective outlet valve, each first outlet valve being connected to each of the at least two distribution terminals via parallel transfer ducts, each of the transfer ducts comprising at least one respective isolation valve, each of the distribution terminals being fluidly connected to each first outlet valve of a source via a first direct fluid path passing through a single transfer duct and via at least one second indirect alternative fluid path successively passing through a plurality of transfer ducts.

A type IV conformable pressure vessel has improved mechanical coupling between an outer composite shell and a boss. The pressure vessel comprises an inner polymeric liner having a flare edge fixedly coupled to the boss. The boss has a bore in fluid communication with an interior of the pressure vessel. In addition, the boss has a shank extending between the liner and the outer composite shell. The shank includes a plurality of spikes projecting radially away from the boss. The outer composite shell of resin and fiber surrounds an outer periphery of the liner and an outer periphery of the shank. The spikes are embedded into the outer composite shell to mechanically fasten the outer composite shell to the boss.

A method produces a high-pressure gas storage container that includes a liner and a reinforcing layer. The liner houses a high-pressure gas. The reinforcing layer is formed by winding a plurality of strip-shaped reinforcing members around an outer perimeter surface of the liner. The method includes irradiating plasma on at least a portion of the reinforcing fibers, and adjusting an irradiation intensity of the plasma such that an irradiation amount of the plasma with respect to the reinforcing fibers becomes constant in accordance with changes in a transport speed of the reinforcing fibers.

A plastic tank liner for the storage of a pressurized fluid includes: two ends; two elongated cylindrical sections, the two cylindrical sections having different diameters; and one connecting section connecting the two cylindrical sections. The connecting section has a concave portion connected to the cylindrical section of smaller diameter, and a convex portion adjacent to the cylindrical section of larger diameter. The convex portion has an isotensoid shape. Two convex domes are located on both ends of the plastic tank liner so that each of the domes is connected to a different cylindrical section.

A high pressure tank includes: a container body including dome parts; a reinforcement layer provided on an outer surface of the container body and including fiber-reinforced resin; and a protective member provided on an outer surface of the reinforcement layer, wherein the protective member includes a first layer disposed at the outer surface of the reinforcement layer that covers at least a part of the dome parts, and a second layer disposed outward of the first layer. The first layer is more deformable due to the same load applied from the outside than the second layer is.

The invention relates to a pressurized fluid storage and dispensing assembly (1) for a vehicle, comprising: a plurality of pressurized fluid reservoirs (3), each reservoir (3) comprising a first end piece (13) provided with at least one fluid passage duct configured for dispensing fluid from the reservoir (3) and for filling the reservoir (3), a use collector duct (5) which comprises an opening (19) for supplying and/or dispensing fluid and a plurality of orifices, each orifice being configured to be fluidically connected to a reservoir (3) via its fluid passage duct, and an electrically operated valve (7) which is arranged at one end of the use collector duct (5) and selectively closes or opens the fluid passage through the opening (19).

The invention also relates to a vehicle comprising such a storage and dispensing assembly (1).

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.

A multilayer structure for transporting, distributing and storing hydrogen including, from the inside to the outside, a sealing layer and at least one composite reinforcement layer, the sealing layer including from the inside to the outside: a layer of a composition including: a short-chain polyamide thermoplastic polymer, more than 15% and up to 50% by weight of impact modifier, or including: a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of impact modifier, up to 3% by weight of plasticizer; a hydrogen barrier layer; a layer of a composition including: a short-chain polyamide thermoplastic polymer, more than 15% and up to 50% by weight of impact modifier, or including: a semi-crystalline long-chain polyamide thermoplastic polymer, up to 50% by weight of impact modifier, up to 3% of weight of plasticizer, the innermost composite reinforcement layer being wound around the sealing layer.

The present disclosure discloses a high-pressure gas storage and supply device. The disclosed high-pressure gas storage and supply device includes a plurality of gas storage tanks that store a high-pressure gas therein and selectively discharge the stored gas, and a gas transport pipe including tank inlet/outlet lines respectively connected to the plurality of gas storage tanks to fill the gas in the gas storage tanks or discharge the gas stored in the gas storage tanks. Thus, in the present disclosure, the gas may be filled in or discharged from the gas storage tanks by the same one tank inlet/outlet line, and thus a structure for filling or discharging the high-pressure gas can be simplified.

A hydrogen refueling station including a first and a second dispensing module having first and second dispensing pressure detection means, where supply lines are fluidly connecting a storage module to an inlet compressor line and a compressor outlet line is fluidly connecting an outlet of the compressor to a dispensing line and thereby to the first and/or second dispensing module via output compressor valves, cascade lines are fluidly connecting the hydrogen storage module and the dispenser modules thereby configured for bypassing the compressor, where a controller is configured for controlling valves and thereby a fluid path from the hydrogen storage module to the dispensing modules, the controller is configured for controlling a bypass valve based on feedback from pressure detection means, from a first dispensing pressure detection means or from a second dispensing pressure detection means to establish a required pressure in the compressor outlet line.