F17C2265/031

METHOD AND FACILITY FOR STORING AND DISTRIBUTING LIQUEFIED HYDROGEN

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.

BOIL-OFF MANAGEMENT SYSTEM

A boil-off management system for a cryotank includes a boil-off conduit which is fluidically connectable to a cryotank via a boil-off valve. The boil-off management system further includes an air feed conduit and a mixing chamber for mixing a first medium (e.g., hydrogen) flowing in through the boil-off conduit with a second medium (e.g., air and/or oxygen) flowing in through the air feed conduit. A catalytic converter is arranged downstream of the mixing chamber and an outlet downstream of the catalytic converter. At least one enrichment apparatus is provided and configured to temporarily increase the proportion of the first medium flowing in through the boil-off conduit in relation to the second medium flowing in through the air feed conduit at the catalytic converter.

Container Systems and Methods for Using the Same
20230279994 · 2023-09-07 ·

Container systems for the transportation and/or storage of Liquefied Natural Gas (LNG) are provided. The container systems include: a) an outer shell; b) an inner pressurized container, wherein the inner pressurized container comprises a first chamber having a first vent and at least one other chamber having a second vent; c) at least one heat exchange zone in thermal communication between the first chamber and the at least one other chamber; and d) an interstitial space between the outer shell and the inner pressurized container including at least a partial vacuum. Methods for transporting and/or storing LNG using the aforementioned container systems are also provided.

HYDROGEN TANK, METHOD OF COOLING A HYDROGEN TANK, AND VEHICLE HAVING A HYDROGEN DRIVE AND HYDROGEN TANK
20230139191 · 2023-05-04 ·

A hydrogen tank having a tank structure at least partially delimiting a tank space and comprising a cooling shield formed in a lightweight construction. A conduit system, connected to the tank space, of a pressure relief system for discharging gaseous hydrogen from the tank space is formed in the cooling shield. At least one para-ortho catalyst for accelerated conversion of parahydrogen into orthohydrogen is arranged in the conduit system. A vehicle is provided having a hydrogen drive and such a hydrogen tank. A method for cooling the tank structure of such a hydrogen tank is provided.

Method and apparatus for transferring liquid cargo in pressurization type
11383794 · 2022-07-12 · ·

The present disclosure provides an apparatus for transferring a liquid cargo. The apparatus for transferring a liquid cargo according to an embodiment of the inventive concept may include a liquid cargo transfer line connected to a liquid cargo storage tank, a drum connected to the liquid cargo transfer line and providing a space for storing a liquid cargo, and a pressing unit for pressing the liquid cargo storage tank so that the liquid cargo stored in the liquid cargo storage tank is supplied to the drum through the liquid cargo transfer line.

Passive cryogen storage system

A passive insulating tank support structure includes a first interface ring mounted to a first tank, a first support ring surrounding and spaced apart from the first interface ring, a second interface ring mounted to a second tank, a plurality of first struts coupling the first and second interface rings, a plurality of second struts coupling the first support ring and second interface ring, a plurality of third struts coupling the first support ring and a first heat source, a third interface ring mounted to the second tank, and a plurality of fourth struts coupling the third interface ring and a second heat source.

DEVICE AND METHOD FOR STORING AND FOR SUPPLYING FLUID FUEL

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.

Calculation of remaining usage time of a gas cylinder
11268656 · 2022-03-08 · ·

A method for calculating the remaining usage time of a gas cylinder equipped with a pressure reducer, the method comprising the following steps: (a) measuring the pressure of the gas in the cylin-der; (b) calculating the variation of pressure of the gas in the cylinder over time while gas is out-putted; (c) calculating a remaining usage time Tr based on the measured pressure in the cylinder and the calculated variation of pressure. Step (c) takes into account characteristics of the pressure reducer relative to variations of its nominal flow rate along the decrease of its inlet pressure while emptying the cylinder.

Dewar vessel storage apparatus

A dewar vessel storage apparatus configured to hold at least two dewar vessels containing liquefied gas or cryo-compressed gas, comprising; a box having an outer, thermally insulating, wall; the box comprising a plurality of insulating cavities, each cavity configured to receive a single dewar vessel and is thermally insulated from each other cavity; a thermally insulating closure arrangement configured to close an open end of each cavity; a ventilation assembly comprising at least one conduit within the box configured to provide for venting of gas released from the dewar vessels when stored in the respective cavities of the box, the ventilation assembly configured to provide a gas outlet flow path from each cavity.

METHOD AND FACILITY FOR STORING AND DISTRIBUTING LIQUEFIED HYDROGEN

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.