Abstract: A device a device for storing and supplying fluid fuel is provided, in which the device may include: a tank for liquefied fuel gas balanced with a gaseous phase, in particular a hydrogen gaseous phase, a circuit for filling the tank, at least one circuit for extracting fluid from the tank, at least one circuit for controlling the pressure in the tank, the circuits for filling, extracting and controlling the pressure comprising a valve assembly arranged in a housing which is separate from the tank, the housing being detachably connected to the tank via a removable mechanical coupling system, the extraction circuit, the pressure control circuit and the filling circuit comprising an assembly of removable fluid connections which are located at the junction between the tank and the housing and configured to enable separation between the portions of circuits located in the tank and in the housing when removing the housing from the tank.

Abstract: Device for storing and for supplying fluid fuel, comprising a reservoir of liquefied fuel gas in equilibrium with a gas phase, in particular hydrogen, a circuit for filling the reservoir, at least one circuit for tapping fluid from the reservoir, and at least one circuit for regulating the pressure in the reservoir, the filling circuit, tapping circuit and pressure-regulating circuit comprising a set of valves arranged in a housing separate from the reservoir, the housing being removably connected to the reservoir via a demountable mechanical coupling system, the tapping circuit, the pressure-regulating circuit and the filling circuit comprising a set of demountable fluidic connectors situated at the junction between the reservoir and the housing and configured to allow the separation between portions of circuits situated in the reservoir and in the housing during the demounting of the housing with respect to the reservoir.

Abstract: Device for storing and for supplying fluid fuel, comprising a reservoir of liquefied fuel gas in equilibrium with a gas phase, in particular hydrogen, a circuit for filling the reservoir, at least one circuit for tapping fluid from the reservoir, and at least one circuit for regulating the pressure in the reservoir, the filling circuit, tapping circuit and pressure-regulating circuit comprising a set of valves arranged in a housing separate from the reservoir, the housing being removably connected to the reservoir via a demountable mechanical coupling system, the tapping circuit, the pressure-regulating circuit and the filling circuit comprising a set of demountable fluidic connectors situated at the junction between the reservoir and the housing and configured to allow the separation between portions of circuits situated in the reservoir and in the housing during the demounting of the housing with respect to the reservoir.

Abstract: Device for storing and supplying fluid fuel, comprising a tank for liquefied fuel gas balanced with a gaseous phase, in particular a hydrogen gaseous phase, a circuit for filling the tank, at least one circuit for extracting fluid from the tank, at least one circuit for controlling the pressure in the tank, the circuits for filling, extracting and controlling the pressure comprising a valve assembly arranged in a housing which is separate from the tank, the housing being detachably connected to the tank via a removable mechanical coupling system, the extraction circuit, the pressure control circuit and the filling circuit comprising an assembly of removable fluid connections which are located at the junction between the tank and the housing and configured to enable separation between the portions of circuits located in the tank and in the housing when removing the housing from the tank.

Abstract: Device for supplying fluid comprising a source tank for storing gaseous fuel at a cryogenic temperature in the form of a liquid-gas mixture, a cryogenic pump, the pump comprising a suction inlet connected to the lower part of the tank via a suction line, a high-pressure first outlet intended to supply high-pressure fluid to a user and a degassing second outlet connected to the upper part of the tank via a return pipe, the device being characterized in that it comprises a cryogenic buffer storage volume, a first pipe connecting the lower part of the buffer storage volume to the tank and a second pipe connecting the upper part of the tank to the buffer storage volume, and in that the device comprises a liquefaction member for liquefying the gas in the buffer storage volume.

Abstract: The invention concerns a fixed installation for supplying electric power comprising a fuel cell (2) arranged in a chamber (1) set on the ground (5) via support blocks (6), the air intake (11) in the chamber, advantageously provided with a fan (12), emerging into the volume (8) between the floor (7) of the chamber and the ground (5), said volume being peripherally closed by skirts (9) one of which includes at least one air intake provided with an air filter (10).

Abstract: Connecting structures made of a tubular metal element. The structure has a tubular metal element which is connected to the orifice of a chamber. The chamber is made of a thin metal sheet. The structure also has a duct shaped connecting member which is sealed onto the other end of the tubular metal element. The structure may be used for producing fuel cells when the plate which forms parallel channels, is a current collector with gas circulating channels in contact with a proton-exchanging membrane.

Abstract: A tank for a cryogenic fluid, of the type comprising an inner vessel (2) intended to receive the cryogenic fluid and delimiting, with an outer vessel (8), a space (9) for the insertion of multilayer thermal insulation (7). The tank comprises multilayer thermal insulation (7) supporting the inner vessel (2) and an outer vessel (8) without a rigid connection to the inner vessel (2).

Abstract: A device for storing gas includes at least one container (1) for gas, of the high pressure type, that has an outlet conduit with which is associated a branch (5) ensuring a closeable calibrated loss. The gas is in gaseous phase in this container over a range of pressures extending from about 40 to 250 bars and preferably from 50 to 200 bars and over a range of temperatures extending from about 15° K to 210° K and preferably from 20° K to 200° K. The device includes a thermally insulating envelope (2) in which the container (1) is disposed.

Abstract: A device for storing gas includes at least one container (1) for gas, of the high pressure type, that has an outlet conduit with which is associated a branch (5) ensuring a closeable calibrated loss. The gas is in gaseous phase in this container over a range of pressures extending from about 40 to 250 bars and preferably from 50 to 200 bars and over a range of temperatures extending from about 15° K to 210° K and preferably from 20° K to 200° K. The device includes a thermally insulating envelope (2) in which the container (1) is disposed.

Abstract: A tank for a cryogenic fluid, of the type comprising an inner vessel (2) intended to receive the cryogenic fluid and delimiting, with an outer vessel (8), a space (9) for the insertion of multilayer thermal insulation (7). The tank comprises multilayer thermal insulation (7) supporting the inner vessel (2) and an outer vessel (8) without a rigid connection to the inner vessel (2).