A liquid propane injection pump assembly is disclosed. In one example, the liquid propane injection pump assembly includes a connection tee having first, second, and third openings. A first inlet structure can be connected to the first opening, a second inlet structure can be connected to the second opening, and an outlet structure can be connected to the third opening. The first inlet structure can include a nozzle with an external taper while the outlet structure can include a barrel with a tapered internal passageway into which the nozzle extends.

A gas-filling apparatus includes a gas flow passage including an inflow end to which a gas supply source is connectable and an outflow end to which a pressure accumulator is connectable, a compressor, a storage portion, and an operation control portion conducting a first compression filling operation in which a gas supplied from the gas supply source connected to the inflow end is compressed by the compressor to be discharged from the outflow end and a second compression filling operation in which the gas stored in the storage portion is compressed by the compressor to be discharged from the outflow end, the operation control portion conducting the first compression filling operation until a pressure of the gas at the outflow end reaches a predetermined pressure and executing a control for shifting the first compression filling operation to the second compression filling operation when the pressure has reached the predetermined pressure.

A method for filling a tank (1) with liquefied gas, in particular a tank with cryogenic liquid, from a liquefied gas container (2), in particular a cryogenic liquid container (2), wherein, following a predetermined time after filling has started, the method comprises the step of comparing the first instantaneous pressure (PT3) in the filling pipe (3) or an average of said first instantaneous pressure (PT3) with a predetermined maximum threshold (Pmax), and, when said first instantaneous pressure (PT3) in the filling pipe (3) or the average of said first instantaneous pressure (PT3), respectively, exceeds the maximum threshold (Pmax), the step of interrupting (AR) the filling (R).

A method for filling a tank (1) with liquefied gas, in particular a tank with cryogenic liquid, from a liquefied gas container (2), in particular a cryogenic liquid container (2), which container (2) is in fluid communication with the tank (1) via a filling pipe (3), wherein the method uses a pressure differential generation member (4) for transferring liquid from the container (2) to the tank (1) at a predetermined pressure, characterized in that, at or following the switching on time (M) of the pressure differential generation member (4), the method comprises a step of determining the pressure (PT4) in the tank (1) via a measurement of a first pressure in the filling pipe (3), and, following the determination of the pressure (PT4) in the tank, a step of limiting the first instantaneous pressure (PT3) to a level below a maximum pressure threshold (PT3sup), said maximum pressure threshold being defined on the basis of the determined value of the pressure (PT4) in the tank (1) and exceeding said determined value of the pressure (PT4) in the tank by two to twenty bars and preferably by two to nine bars.

The invention relates to a tank for storing a cryogenic mixture of liquid and gas, comprising a first casing, a draw-off pipe for drawing off fluid, which has an upstream end connected to said first casing, a filling circuit comprising a first filling pipe with an upstream end to be connected to a fluid source and a downstream end connected to the lower portion of the first casing, said filling circuit comprising a second filling pipe connected to the fluid source and a downstream end connected to the upper portion of the first casing, wherein the upstream ends of said first and second filling pipes are designed to be connected to the same fluid source simultaneously, and a distribution valve assembly which is configured to allow distribution of the fluid in said filling pipes, wherein the tank comprises a sensor assembly which measures the pressure in the first casing, said distribution valve assembly being configured to automatically adjust the pressure in the first casing, during filling, to a predetermined pressure setpoint (Pc) by means of the automatic distribution of the flow rate of fluid from the source in the filling pipes, depending on the pressure setpoint (Pc) and the pressure measured by the sensor assembly.

A hydrogen gas supply apparatus according to one aspect of the present invention includes a compressor configured to compress hydrogen gas and supply the hydrogen gas compressed to a pressure accumulator which accumulates the hydrogen gas, an adsorption column disposed between the discharge port of the compressor and the pressure accumulator, and configured to include an adsorbent for adsorbing impurities in the hydrogen gas discharged from the compressor, and a plurality of valves disposed at the gas inlet/outlet port side of the adsorption column, being at a discharge port side of the compressor, and configured to be able to seal the adsorption column, wherein the space in the adsorption column is sealed using the plurality of valves such that the inside of the adsorption column is maintained to have a high pressure by the hydrogen gas compressed in the case where the compressor is stopped.

A gas supply marine vessel and a refueling facility are described. The gas supply marine vessel includes a hull with an upper deck having an elongated cargo cavity formed therein. Gas interface modules are disposed in the cavity and extend between hull sides, each module having a plurality of fuel vessel docking stations. A plurality of stacked fuel container assemblies are fluidically coupled to the docking stations. A gantry, is movable along the length of the cavity, straddles the cargo cavity between hull sides. An articulating crane is mounted on the gantry and it utilized to move fuel container assemblies to a fuel container depression formed in the deck of a floating refueling facility. The floating refueling facility includes a concave side to facilitate mooring adjacent a shoreline, the concave side forming angled extensions at corners of the deck with a linkspan extending from each of the angled extensions.

A fuel delivery and storage system is provided. A further aspect employs a remote central controller and/or software instructions which receive sensor data from stationary and bulk fuel storage tanks, portable distribution tanks, and end use tanks. Another aspect of the present system senses and transmits tank or hydrogen fuel characteristics including temperature, pressure, filled volume, contaminants, refilling cycle life and environmental hazards. Still another aspect includes a group of hydrogen fuel tanks which is pre-assembled with sensor, valve, microprocessor and transmitter components, at least some of which are within an insulator.

A hydrogen gas supply apparatus includes a compressor configured to compress hydrogen gas and supply the compressed hydrogen gas toward a pressure accumulator which accumulates the hydrogen gas, a first adsorption column disposed between the discharge port of the compressor and the pressure accumulator and configured to include the first adsorbent for adsorbing impurities in the hydrogen gas discharged from the compressor, a first valve disposed between the discharge port of the compressor and the gas inlet port of the first adsorption column, a second valve disposed between the gas outlet port of the first adsorption column and the pressure accumulator, a return pipe configured to branch from between the first valve and the gas inlet port of the adsorption column and connect to the suction side of the compressor, and a second adsorption column disposed in the middle of the return pipe.

A filling station for supplying vehicles with gas containing hydrogen comprises: a storage unit comprising high pressure gas containers; a compression unit comprising compressors for increasing the pressure of gas for the storage unit; and a supply unit comprising a supply device for supplying a vehicle; a storage circuit for circulating gas from the compression unit to the storage unit; and a filling circuit for circulating gas from the storage unit to the compression unit. The storage circuit comprises a storage pipe network connecting each compressor to each container and at least one storage distributor for selectively associating the compressors and the containers. The filling circuit includes a filling pipe network connecting each container with each compressor and a filling distributor for selectively associating the containers and the compressors. The station further includes control means for controlling the storage and filling distributors.