Device and method for filling pressurized gas tanks, particularly vehicle pressurized hydrogen tanks, the device comprising a liquefied gas source, a transfer circuit comprising two parallel transfer lines each having an upstream end linked to the liquefied gas source, at least two separate downstream ends intended to be each removably connected to a tank to be filled, each of the two transfer lines comprising: a pump, a vaporizer for evaporating the pumped fluid, a branch for bypassing the vaporizer and a distribution valve(s) set configured to control the flow of fluid pumped and distributed between the vaporizer and the branch line, the device further comprising a storage buffer(s), which storage buffer(s) is(are) connected in parallel to each of the two transfer lines via a set of valves.

A hydrogen gas inventory acquisition system configured to acquire an inventory of a hydrogen gas in a plurality of off-site hydrogen stations, includes a log data creation device configured to create log data obtained by recording each parameter data sampled at an individual sampling timing set to each hydrogen station of the plurality of off-site hydrogen stations in combination with identification information of each of the plurality of off-site hydrogen stations from a plurality of parameter data measured by a plurality of meters disposed in the each hydrogen station to calculate an inventory of the hydrogen gas in the each hydrogen station; an inventory calculation device configured to calculate the inventory of the hydrogen gas at an individual calculation timing set to the each hydrogen station by using the log data; and a sorting device configured to acquire inventory data of the hydrogen gas in the each hydrogen station.

The gas supply system of this invention is furnished with a cylinder apparatus having a pneumatic valve that supplies process gas to a process chamber, and a solenoid valve that opens or closes said pneumatic valve by supplying or stopping the flow of valve actuating gas to said pneumatic valve; and a gas supply control apparatus that controls the actuation of the solenoid valve. In addition, said gas supply control apparatus comprises a main controller that controls the actuation of said solenoid valve during normal operation, and a sub-controller that senses an abnormal state of said main controller and if an abnormality is sensed, controls the actuation of said solenoid valve instead of said main controller.

The present disclosure provides systems and methods for refilling fluid containers. A fluid container may include a bottle and a valve assembly. The valve assembly may include two valves and be configured to engage with the bottle and a filling head or dispensing head. A system is configured to provide pressurized fluid to the refillable container, monitor filling, determine when to stop filling, and determine how much fluid was provided. The valve assembly may include a float mechanism coupled to one of the valves of the valve assembly to ensure fluid flow is stopped when the fluid container is full. The fluid, which can include carbon dioxide, is stored in a storage tank. A flow system provides the fluid to a filling head, which engages with the fluid container. The flow system includes a transfer pump, valves, and sensors configured to provide the fluid to the filling head.

The method for managing the supply of hydrogen to moving vehicles (1) from hydrogen distributed by distribution stations (7) comprises at least the following steps: a) collecting, by at least two sensors (2, 3) on board a vehicle (1), at least two parameters relating to the vehicle (1) during its movement, including at least the location of the vehicle, b) transmitting these parameters to a control module (5), c) collecting, by at least one sensor (12), at least one parameter relating to the hydrogen available in a distribution station (7), d) transmitting this parameter to the control module (5), e) identifying at least one hydrogen distribution station (7) while the vehicle (1) is moving, f) informing the user of the vehicle (1) of the available hydrogen distribution stations (7) and of the hydrogen supply conditions in the identified distribution stations.

A method, and a system, are for filling a container with an amount of liquid carbon dioxide (CO.sub.2) which is partially converted into an amount of solid CO.sub.2 into the container, for maintaining one or more products, loaded into the container, at a defined temperature, below a defined temperature, or within a defined temperature range, the defined temperature or the defined temperature range being below environmental temperature. A method and a system are for providing identification and traceability data determining the container and the one or more products, and for enabling identification of the container during transport to a destination.

The invention relates to a gas container having a gas distribution valve and an electronic measurement device arranged on the gas distribution valve. The electronic measurement device having an electronic display screen which is electrically connected, via an electrical connecting connector, to a circuit board having at least one microprocessor. The electrical connecting connector having a connector body in the shape of an elongate bar through which a plurality of electrically conductive elements passes extending between two opposite faces of the connector body. The electrically conductive elements are separated from one another by regions made of insulating material.

A hydrogen filling system includes a first tank and a second tank that are configured to be filled with hydrogen and communicate with each other, a first hydrogen feeder and a second hydrogen feeder configured to feed hydrogen to the first tank and the second tank, and a controller configured to control the first hydrogen feeder and the second hydrogen feeder. The controller estimates a hydrogen fill factor of the first tank and the second tank, based on a first internal temperature of the first tank and a second internal temperature of the second tank, and a first pressure of hydrogen gas fed from the first hydrogen feeder and a second pressure of hydrogen gas fed from the second hydrogen feeder. The controller is configured to stop the first hydrogen feeder and the second hydrogen feeder when the hydrogen fill factor reaches a predetermined threshold fill factor.

A dense fluid recovery and supply pressure sensing system includes a dense fluid source, recovery tank and working tank, where the recovery tank is in connection with the dense fluid source with an input pipe configured with a pre-pressure valve and pre-pressure compressor, and the bottom of the recovery tank is configured with a weight measuring device measuring the weight of the recovery tank and in electric connection with the pre-pressure compressor, allowing the pre-pressure compressor to control the go and stop of the compression according to a value measured by the weight measuring device; the working tank is in connection with the recovery tank through a delivery pipe configured with a pressure building compressor and configured with a recovery pipe, another end of the recovery pipe is in connection with the input pipe of the recovery tank, and the recovery pipe is configured with a recovery valve.

A General-Purpose Multimodal Transportation Container (GPMTC) for transportation and storage of hazardous cargoes is fitted with a reservoir (1), a level sensor (5) installed downright and passing through the vertical centerline and the horizontal centerline of the reservoir (1) and with a pressure sensor (6), a liquid phase density sensor (8), a vapor phase density sensor (9), a temperature sensor (7) and a set unit (10) of gyros and the accelerometers. The said group of sensors (5-9) is used to measure such main physical parameters as the pressure, the density of the liquid phase, the density of the vapor phase, the temperature of the liquid and vapor phases at several points, the level of separation of the liquid and vapor phases, the displacement vector, and misalignment of the GPMTC's base with the horizontal plane. This data is necessary for a Central System Unit (11) to calculate the volume and mass of the liquid and vapor phases and the total mass of cargo. These sensors and telemetry equipment are triggered when the circuit is closed and opened at the moment of opening and closing of the GPMTC's shut-off valves and provide measurement data which allow in real time and anywhere in the world carry out metering and calculate the mass of gas, taking into consideration the vapor phase, at the beginning and end of the cargo operations with accuracy meeting the requirements of commercial metering. Also, this GPMTC is fitted with GPS devices with telemetry equipment based on the IRIDIUM system and antenna (12) and GSM networks to determine the location of the GPMTC at any time, with an interface for geographical data transfer, including actual and measured speed and direction.