A system includes a source of pressurized fluid, a primary pressure vessel disposed in fluid communication with the source, and a supplemental pressure vessel disposed in fluid communication with the source and in fluid communication with the primary pressure vessel. The primary pressure vessel has a first life expectancy duration and includes a first structural characteristic. The supplemental pressure vessel has a second life expectancy duration shorter than the first life expectancy duration and includes a second structural characteristic. A method uses a supplemental pressure vessel to predict impending failure of a primary pressure vessel. The method includes connecting a primary pressure vessel to a source of pressurized fluid, fluidly connecting a supplemental pressure vessel with the source and with the primary pressure vessel, and exposing the supplemental pressure vessel to a first fatigue load to cause its failure before failure of the primary pressure vessel occurs.

A system and method for maintaining overpressure in a logging unit or other pressurized space through interruptions is disclosed. A backup air supply comprising tanks mounted to a frame is operatively connected to the ambient environment of the logging unit through a valve assembly which also connects a conventional pressure setup (e.g., pumps and filters from the external environment). The valve assembly comprises two auto valves, a shuttle valve, and a pressure sensor that allow the logging unit to switch from the conventional external air supply to the tanks when the pressure detected from the conventional air supply falls below a predetermined level. The valve assembly is independently housed and may be mounted or detached from the frame housing the backup tanks.

A multi-cryostorage system that includes at least two cryocontainers for storing hydrogen. The at least two cryocontainers are connected in hydraulic communication via a cryogenic connecting line, and include a primary storage system having a primary inner tank and a primary outer container, and at least one secondary storage system having a secondary inner tank and a secondary outer container. A heat exchanger is operable to heat the hydrogen, and at least one cryopump is arranged in the primary inner tank to supply unpressurised liquid hydrogen and/or unpressurised gaseous hydrogen in one or more stages at low temperature, to the heat exchanger for delivery to a consumer at a pressure higher than the pressure in the primary inner tank.

To provide a fuel supply apparatus that can quickly supply hydrogen gas to a vehicle equipped with a plurality of large-capacity fuel tanks while observing a filling protocol. A fuel supply apparatus 100 according to the present invention including: a plurality of supply systems (101, 102); a supply control device (10, 20) provided in each of the supply systems (101, 102); a supply pipe (31, 41) communicating each of the supply systems (101, 102) and each of rear facilities (50, 60); a supply member (flow rate regulating valve 2, 12, etc.) interposed in the supply pipe (31, 41) and connected to each of the supply control devices (10, 20); and a supply hose (7, 17) connected to the supply pipe (31, 41), the supply hose (7, 17) having a supply nozzle (8, 18) at its tip, wherein the supply control device (10, 20) includes: a function of determining whether or not communication filling is established in one side of the supply system (101) and/or the other side of the supply system (102); and when communication filling is not established in the supply system (101) on the one side and communication filling is established in the supply system (102) on the other side, a function of supplying using vehicle side data in the supply system (102) on the other side.

A system for storing air at high pressure underground or underwater includes a plurality of arrays of air tanks, each tank configured to store compressed air at a pressure of at least 40 bar. A piping system connects between an outlet of each air tank, the piping system further including at least one central port for delivering compressed air to and from a respective array. A storage receptacle surrounds the arrays and piping system, protecting the arrays and piping system from an external environment, and thermally insulating the arrays and piping system. A liquid bath is arranged within the storage receptacle. A heat exchanger is configured to maintain a temperature of the liquid bath substantially constant. The storage receptacle may be comprised of plastic pieces welded together in a modular fashion. Each piece may be a cylindrical tube configured to receive therein one or more of the arrays.

The present disclosure relates to a liquefied hydrogen storage tank, and more specifically, to a liquefied hydrogen storage tank which facilitates transportation of the storage tank by manufacturing the storage tank storing liquefied hydrogen in a doughnut shape, can improve the robustness of the storage tank and reduce the weight thereof by forming a vacuum layer, improves the temperature maintenance performance of liquefied hydrogen through the shape allowing a second tank unit to surround a first tank unit, and improves thermal insulation through the coating layer.

A compressed pressure vessel suitable for serving as construction element for building energy storage constructions thereof is described. The compressed pressure vessel comprises a first, inner, segment, wherein the inner segment comprises an inlet for filling or emptying the inner segment and wherein the inner segment is suitable for storing hydrogen, and a second, outer, segment, the outer segment adapted for being filled with a fluid, different from hydrogen, wherein the outer segment is substantially fully encompassing the inner segment.

A method for cooling a first cryogenic pressure vessel, where the first cryogenic pressure vessel is designed for the storage of cryogenic gas, includes firstly conducting gas through the first pressure vessel for the purposes of cooling the first pressure vessel and subsequently feeding the gas to a second pressure vessel for the purposes of storing the gas, until the temperature of the first pressure vessel has reached a predetermined temperature value or until the second pressure vessel has reached a predefined degree of filling with gas.

The present disclosure is directed to a compressed fuel dispensing station having a compressor configured to compress a fuel source, a plurality of fuel dispensing units, at least one low pressure compressed fuel reservoir fluidly connected to the fuel compressor and the plurality of fuel dispensing units, and a plurality of high pressure compressed fuel reservoirs, wherein each high pressure compressed fuel reservoir is fluidly connected to the fuel compressor and at least one fuel dispensing unit.

A cryogen storage vessel at an installation is filled with liquid cryogen from a liquid cryogen storage tank that has a pressure lower than that of the vessel. After headspaces of the vessel and tank are placed in fluid communication with another via a gas transfer vessel and are pressure-balanced, a pump in a liquid transfer line connected between the tank and the vessel is operated to transfer amounts of liquid cryogen from the tank to the vessel via the liquid transfer line and pump as amounts of gaseous cryogen are transferred, through displacement by the pumped cryogenic liquid, from the vessel to the tank.