The present disclosure relates to a thermal pressure relief device for gas pressure tanks and/or gas pressure tank systems, comprising: a valve unit which can be fluidically connected to the gas pressure tank and/or the gas pressure tank system and comprises at least one fluid path, by means of which the gas pressure tank and/or the gas pressure tank system can be drained, in particular a gas stored under high pressure in the gas pressure tank and/or the gas pressure tank system can be discharged into an environment, wherein the valve unit comprises a locking element which can be shifted and/or moved between an open position, in which the gas can flow through the fluid path, and a closed position, in which no gas can flow through the fluid path, and a first trigger means configured to shift and/or move, due to heat impact, in particular when reaching a predetermined temperature, the locking element into the open position and/or to enable the locking element to shift and/or move into the open position, wherein the first trigger means is further configured to detect the heat impact at least at one further location of the gas pressure tank and/or the gas pressure tank system, which is not the installation location of the thermal pressure relief device, and/or to detect the heat impact at least at two spatially separated locations and/or areas, in particular of the gas pressure tank and/or the gas pressure tank system.

The present disclosure relates to a valve unit for a fuel supply system which is preferably adapted to supply a fuel cell system with fuel, comprising: at least one temperature detector, at least one pressure detector, and a safety valve integrated into a line section, wherein the safety valve can be adjusted between an open position, in which gas is able to flow through the line section, and a closed position, in which gas is not able to flow through the line section, wherein the temperature detector and the pressure detector are so disposed that they are able to detect a temperature and a pressure of the gas flowing through the line section in a state in which the gas is present at the closed safety valve in such a manner that it exerts pressure. The present disclosure relates further to an on-tank valve which can have all the features described in relation to the valve unit and differs from the valve unit only in that it is able to be mounted directly on a gas pressure tank. The present disclosure relates further to a gas pressure tank system for storing fuel, comprising: at least one gas pressure tank and a valve unit. Finally, the present disclosure relates to a method for detecting a possible leakage in a fuel supply system, and to a valve assembly.

Disclosed is an apparatus for controlling a pressure vessel including a clamp that surrounds an outer peripheral surface of the pressure vessel fixed to a subject target, a driver that provides a driving force for adjusting a fastening force of the clamp according to an internal pressure of the pressure vessel, and a controller that performs a control such that rotation of the driver is prevented during an abnormal operation of the driver.

A device for monitoring the use of a pressure container system of a piece of equipment, such as a motor vehicle, is designed to ascertain equipment-side usage data relating to previous use of the pressure container system. The device is additionally designed to compare the equipment-side usage data with equipment-external usage data relating to the previous use of the pressure container system and to initiate one or more measures relating to further use of the pressure container system on the basis of the comparison.

The present invention is to provide a hydrogen refueling system capable to cool down the H.sub.2 pre-cooling heat exchanger fast enough when a FCV enters the HRS, so that there is no or very minimal waiting time for the customer before starting refueling. A hydrogen refueling system includes a chiller including a cooling unit that cools a circulating refrigerant by a cooling medium, a dispenser that supplies H.sub.2 to a vehicle, including a heat exchanger that cools H.sub.2 with the circulating refrigerant provided from the chiller, a circulation line that circulates the circulating refrigerant between the cooling unit and the heat exchanger, a chiller compressor that is provided in the chiller; a cold generation valve that is provided close to an inlet of the heat exchanger in the circulation line.

A high pressure tank of a high pressure tank apparatus includes: a resin-made liner; a reinforced layer covering an outer surface of the liner; and a supplying/discharging hole to which a supplying/discharging flow path is connected via a connecting section. A storage section is capable of storing a leaked fluid that has leaked from the connecting section and a temporary release fluid that has been led out from between the liner and the reinforced layer. A control section, when an internal pressure detection value of the high pressure tank due to a pressure sensor is greater than a threshold value, judges whether the leaked fluid has occurred, based on a detection result of a sensor detecting a concentration of a hydrogen gas inside the storage section, and otherwise does based on a detection result of the pressure sensor.

The present invention is to provide a hydrogen refueling system capable to cool down the H.sub.2 pre-cooling heat exchanger fast enough when a FCV enters the HRS, so that there is no or very minimal waiting time for the customer before starting refueling. A hydrogen refueling system includes a chiller including a cooling unit that cools a circulating refrigerant by a cooling medium, a dispenser that supplies H.sub.2 to a vehicle, including a heat exchanger that cools H.sub.2 with the circulating refrigerant provided from the chiller, a circulation line that circulates the circulating refrigerant between the cooling unit and the heat exchanger, a chiller compressor that is provided in the chiller; a cold generation valve that is provided close to an inlet of the heat exchanger in the circulation line.

The invention relates to a tracing method (2000) for constructing a liquefied gas storage facility (1). The facility (1) comprises a sealed and thermally-insulating tank (20). A bottom wall (21) of the tank (20) includes a plurality of angular sectors (25) which are images of each other through rotation by a predetermined angle about a vertical axis, the predetermined angle being equal to k.360?/N, where k is a positive integer. A vertical wall (22) of the tank (20) comprises a vertical row (120) of planar insulating wall modules (131, 131A) disposed on each vertical load-bearing section (14) of a load-bearing structure of the tank. The tracing method ensures that an azimuthal angular deviation with respect to said vertical axis between two rows (120) of planar insulating wall modules (131, 131A, 171) disposed on two adjacent vertical load-bearing sections (14) is equal to 360?/N, preferably with an accuracy better than 5 mm.

A high pressure tank of a high pressure tank apparatus includes: a resin-made liner; a reinforced layer covering an outer surface of the liner; and a supplying/discharging hole to which a supplying/discharging flow path is connected via a connecting section. A storage section is capable of storing a leaked fluid that has leaked from the connecting section and a temporary release fluid that has been led out from between the liner and the reinforced layer. A control section, when an internal pressure detection value of the high pressure tank due to a pressure sensor is greater than a threshold value, judges whether the leaked fluid has occurred, based on a detection result of a sensor detecting a concentration of a hydrogen gas inside the storage section, and otherwise does based on a detection result of the pressure sensor.

A liquefied gas storage facility has a sealed and thermally-insulating tank. A bottom wall of the tank includes a plurality of angular sectors which are images of each other through rotation by a predetermined angle about a vertical axis, the predetermined angle being equal to k.360?/N, where k is a positive integer. A vertical wall of the tank has a vertical row of planar insulating wall modules disposed on each vertical load-bearing section of a load-bearing structure of the tank. An azimuthal angular deviation with respect to said vertical axis between two rows of planar insulating wall modules disposed on two adjacent vertical load-bearing sections is equal to 360?/N, preferably with an accuracy better than 5 mm.