A method of continuously conveying compressed gas to a plurality of vehicles, where the plurality of vehicles includes at least a first vehicle having a higher tank pressure and a second vehicle having a lower tank pressure that are simultaneously seeking compressed gas from the same delivery conduit. The method includes compressing gas using at least one compressor, conveying the compressed gas from the at least one compressor to a backpressure apparatus, conveying a non-bypass fill portion through the backpressure apparatus, diverting a bypass fill portion through a bypass conduit to at least one distributor, conveying the bypass fill portion through the at least one distributor to at least one of the one or more delivery conduits and subsequently to at least the first vehicle, and conveying the non-bypass fill portion through at least one of the one or more the delivery conduits to at least the second vehicle.

A control conduit for liquid hydrogen offloading is configured to couple a controller of a liquid hydrogen offload system to a liquid hydrogen tanker. The control conduit includes a control line and a gas detector. The control line is configured to transmit a control signal from the controller to the liquid hydrogen tanker. The gas detector is configured to detect hydrogen gas and provide a gas detector signal to the controller. The gas detector is secured to the control line at a predetermined distance from a tanker connection end of the control line.

Device for filling tanks with pressurized gas, in particular hydrogen gas tanks of motor vehicles, the device comprising at least one gas source, a transfer circuit comprising at least one upstream end connected to the source and at least one downstream end intended to be connected in removable fashion to a tank to be filled, the transfer circuit additionally comprising, between its upstream and downstream ends, a set of buffer storage container(s) which is (are) connected in parallel to the transfer circuit via a set of respective connecting valve(s), the transfer circuit comprising a portion of pipe(s) forming a loop, a plurality of the buffer storage container(s) being connected in parallel to the said loop, characterized in that the transfer circuit comprises a plurality of separate downstream ends each intended to be connected in removable fashion to a respective tank to be filled, the said downstream ends being connected in parallel to the said loop and comprising a set of respective linking valves, so that control of the connecting valves and of the linking valves makes it possible to bring at least one first buffer storage container into fluidic communication, via the loop, with a first downstream end and, simultaneously, to bring at least one second buffer storage container into fluidic communication, via the loop, with a second downstream end and/or to bring two separate buffer storage containers into fluidic communication.

Station for filling one or more tank(s) with pressurized gas, in particular pressurized hydrogen, comprising at least two pressurized gas source stores, a transfer pipe having an upstream end connected parallel to the source stores and a downstream end intended to be connected to a tank to be filled, the station comprising a valve assembly for controlling the transfer of gas between the sources and the tank to be filled and an electronic controller connected to the valve assembly and configured to control the valve assembly, the electronic controller being configured to implement successive transfers of gas between the source stores and the tank to be filled via successive pressure balancing sequences, the electronic controller being configured to determine the temperature attained by the gas in the source stores or by the source stores during transfers of gas and, when said attained temperature is below a determined threshold, to prevent or to interrupt this transfer of gas or to reduce the flow of gas transferred during said transfer.

A gaseous hydrogen storage and distribution system with a cryogenic supply and a method for the cryogenic conversion of liquid hydrogen into high-pressure gaseous hydrogen are provided. The gaseous hydrogen storage and distribution system includes pressuring liquid hydrogen from a cryogenic tank using a low pressure liquid pump before vaporization within a relatively small vaporizer. The resulting high pressure gaseous hydrogen is transferred to a plurality of storage tanks at ambient temperature according to a desired fill sequence. The high pressure hydrogen gas is subsequently distributed from the storage tanks through a hydrogen fueling dispenser according to a desired dispensing sequence. The present system and method provide improvements in operational safety, eliminates the use of high pressure gas compressor, and minimizes boiling off and ventilation losses at a reduced cost when compared to existing thermal compression storage systems.

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 flow control panel configured to control the flow of fuel from a storage bank to a dispense includes a cold fuel controller, a dispenser port, and a processor. The cold fuel controller is configured to control the flow of cold fuel from a cold fuel line. The dispenser port is in fluid communication with the cold fuel controller. The processor is configured to receive an indication of fuel temperature within a dispenser and activate the cold fuel controller to allow the cold fuel from the cold fuel line to flow to the dispenser port when the indication of fuel temperature within the dispenser exceeds a maximum temperature determined by the dispenser.

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.

The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.

A computer-controlled method of automatically purging and precooling a hydrogen fuel line prior to transferring hydrogen fuel from a source to a storage tank includes purging moisture from a hydrogen fuel line. The hydrogen fuel line is configured to fluidically couple a hydrogen tanker storage tank and a fueling station storage tank, the hydrogen storage tanker storage tank and the fueling station storage tank configured to store liquid hydrogen. The method also includes pre-cooling the hydrogen fuel line, causing hydrogen fuel to flow through the hydrogen fuel line to re-fill the fueling station storage tank, and expelling residual hydrogen fuel from the hydrogen fuel line when the fueling station storage tank re-filling is complete.