A cryogenic fluid transfer device comprising a first tank, a second tank, and a fluid transfer circuit, wherein the first tank comprises a cryogenic fluid distribution tank configured to store a cryogenic fluid in a liquid phase in a lower part thereof and in a gaseous phase in an upper part thereof, wherein the second tank comprises a cryogenic receiving tank configured to house the cryogenic fluid in liquid phase in a lower part thereof and in gaseous phase in an upper part thereof, wherein the fluid transfer circuit is configured to connect the first and second tanks, the fluid transfer circuit comprising a first pipe connecting the upper parts of the first and second tanks and comprising at least one valve, and a second pipe connecting the lower part of the first tank to the second tank that comprises a pump that has an inlet connected to the first tank and an outlet connected to the second tank, wherein: the pump and the at least one valve of the first line are configured so as to ensure a fluidic connection of the upper parts of the first and second tanks by opening the at least one valve during a transfer of the cryogenic fluid in liquid phase from the first tank to the second tank with the pump.

A device for supplying pressurized fluid, comprising a first valve) and a second valve accommodating internal circuits, the first valve and the second valve including respective coupling members that form a quick-connection system for removably connecting the second valve to the first valve, the internal circuits including a set of one or more control valves the device including at least one manually actuable mobile control member for controlling the set of one or more control valves, between a first, rest position, in which the flow of fluid towards the outlet is prevented, and a second, active position, in which the flow of fluid towards the outlet is allowed, the quick-connection system including a connection piece for connecting the second valve to the first valve between a first position.

The invention relates to an integrated hydrogen fueling station for fueling of vehicle tanks with hydrogen characterized in that it comprises an electrochemical compressing unit in which secondary hydrogen originating from leakage, boiling-off or venting of hydrogen-containing gas in one or more of the fueling station's operative units is compressed wherein the secondary hydrogen contains hydrogen and further gaseous components, and to a method for operating such a hydrogen fueling station.

The present invention relates to a method for improving stability of a hydrogen gaseous dispensing system. An example of such system is hydrogen powered vehicle fuel filling station. Vehicle is filled by multiple high pressure gaseous hydrogen tubes, usually one tube at a time. For safety and reliability reasons a control requirement for such system is to be able to deliver the hydrogen at constant rate to the fuel tank so that its rate of pressure increase stays constant during entire filling process. A dual pressure regulator arrangement is proposed to better maintain flow continuity and/or pressure during tube switching.

A waste hydrogen recovery device of an evaluation device of a hydrogen refueling station includes: a buffer container connected to a discharge pipeline of the evaluation device; a flow path switching valve installed at a hydrogen supply side of the hydrogen refueling station and installed to selectively form a flow path flowing hydrogen from one of a hydrogen supply source or the buffer container into the hydrogen refueling station; and a controller provided to control a tank protection valve installed between an inflow pipeline and a discharge pipeline of the evaluation device, and the controller further provided to control a hydrogen tank, a discharge valve installed on the discharge pipeline, the flow path switching valve, and a compressor of the hydrogen refueling station.

A system for dispensing a gaseous fuel from a liquefied fuel and a method for operating such a system are provided. The system includes a storage tank, a pressure sensor, a dispenser, a temperature sensor, and a vapor supply unit. The storage tank stores a liquefied fuel including phases of liquid and vapor. The pressure sensor is configured to measure a vapor pressure inside the storage tank. The dispenser is configured to receive the liquefied fuel and dispense the gaseous fuel to a receiving tank. The temperature sensor is configured to measure temperature of the dispenser. The system further includes a vapor supply unit fluidly coupled with the storage tank and configured to provide the vapor of the liquefied fuel from the storage tank into the dispenser or in thermally contact with at least one portion of the dispenser.

Disclosed is a gas injection apparatus which measures and displays a gas amount supplied to a radiosonde instrument. The gas injection apparatus includes: a body which includes an inlet port through which the gas is introduced from the storage tank, a flow passage through which the gas introduced from the inlet port flows, and an outlet port through which the gas passing through the flow passage is discharged; a valve which opens/closes the flow passage, and a flow meter which is installed in the body and is configured to measure and display the flow rate of the gas supplied to the instrument.

This invention can provide a hydrogen refueling system capable to reduce waiting time for refueling H.sub.2 to vehicles. The system is designed and operated to acquire the residual pressure in the vehicle the that connects to the dispenser, then to calculate sufficient conditions to perform complete refueling of the connected vehicle (in particular minimum pressure in buffers), and then to start H.sub.2 transfer to the vehicle as soon as the conditions are met. Waiting time can be further reduced with minimum investment by having a H.sub.2 dispenser with two H.sub.2 refueling hoses which has only one H.sub.2 flow control valve and/or only one H.sub.2 cooling heat exchanger and/or only one H.sub.2 flow metering system.

A safety device for a single-use mixing or storage system (10), especially for use in a biopharmaceutical process, includes a flexible bag (12) made from a film material and a support structure (14) receiving and supporting the bag (12) in several directions. The support structure (14) allows an expansion of the bag (12) in an expansion direction. The safety device further includes a detection unit (20) adapted to detect an expansion of the bag (12) in the expansion direction, and a control unit (28) connected to the detection unit (20) and adapted to initiate a safety measure in response to the expansion of the bag (12) in the expansion direction exceeds a given threshold.

The disclosure provides a gas filling method. The gas filling method includes the following steps: an effective heat mass calculation step, which uses the heat capacity of the piping and the detection value of the gas temperature sensor to calculate the value of the effective heat mass related to the temporary pressure loss caused by the piping before gas-filling is started; a pressure loss parameter calculation step, which uses the detection value of the pressure sensor when the flow rate of the gas in the piping changes to calculate the value of the pressure loss parameter related to the pressure loss caused by the piping after the gas-filling is started; and a filling condition changing step, which changes the filling condition into a condition that is defined based on the value of the pressure loss parameter and gas-filling is continued.