Y02P90/45

Hydrogen station
11208081 · 2021-12-28 · ·

The present application discloses a hydrogen station for supplying hydrogen to a tank of a tank-equipped device. The hydrogen station includes: an integrated controller for integrally controlling devices provided in the hydrogen station; a sensing portion for sensing leaked hydrogen which has leaked inside the integrated controller; a ventilation device performing a high ventilation measure of performing ventilation for air inside the integrated controller or an explosion prevention device performing an internal pressure-based explosion protection measure of creating a pressure-increased state inside the integrated controller; and a compressor unit including a compressor, which is used as one of the devices, and a housing, in which the compressor is stored. The integrated controller is mounted on the housing, and is electrically connected to the compressor via a through-hole formed in the housing to control the compressor.

HYDROGEN GAS SUPPLY DEVICE

To provide a hydrogen gas supply device with which pressure resistance of a filter that catches sulfur components contained in a hydrogen gas is improved. A hydrogen gas supply device for a hydrogen station includes a compression portion that compresses a hydrogen gas by reciprocating motion of a piston, in which a piston ring containing sulfur components is mounted on the piston, a filter arranged on the downstream side of the compression portion, the filter that catches sulfur components contained in the hydrogen gas, and a first pipe connecting the compression portion and the filter. The filter includes an element portion having activated carbon onto which the sulfur components contained in the hydrogen gas are absorbable, and a steel housing portion that houses the element portion, in which a gas introduction passage that communicates with the first pipe and guides the hydrogen gas to the element portion is formed.

COMBINED HYDROGEN STORAGE - COMPRESSION SYSTEM FOR THE FILLING OF HIGH PRESSURE HYDROGEN TANKS
20220205592 · 2022-06-30 ·

The present relates to a combined hydrogen storage-compression unit suitable for the filling of high-pressure (350 bar and beyond) hydrogen vessels. It includes a containment vessel filled with a hydrogen storage alloy, a heating system, a cooling system and a thermal management system. The same shall be connected directly to the hydrogen supply (e.g. an electrolyser) on one side and to the end consumer on the other side. Moreover, it offers the possibility for intermediate storage of at least one time the maximal quantity of hydrogen that is to be supplied at high pressure in a single step.

Inspection apparatus for hydrogen gas dispenser
11371656 · 2022-06-28 · ·

An inspection apparatus A for a hydrogen gas dispenser includes a receiving-side gas flowing unit 1 including a receptacle 11 configured to be connected to a nozzle C1 of a hydrogen gas dispenser C and an inspection unit including a rate-of-pressure-rise inspection unit 2 configured to measure a rate of pressure rise of hydrogen gas from the hydrogen gas dispenser C and a dispensed-amount inspection unit 3 configured to measure a dispensed amount of the hydrogen gas. The inspection apparatus A for a hydrogen gas dispenser is capable of measuring a dispensed amount and a rate of pressure rise of the hydrogen gas dispenser.

HYDROGEN GAS SUPPLY APPARATUS AND HYDROGEN GAS SUPPLY METHOD

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.

Mobile liquid and gaseous hydrogen refueling apparatus

A mobile liquid and gaseous hydrogen refueling apparatus including: a main storage module for receiving liquid hydrogen to produce first gaseous hydrogen; a liquid pumping and transporting module for receiving the liquid hydrogen, pumping the liquid hydrogen, and producing second gaseous hydrogen; a gas compressing and storing module for receiving at least one of the first gaseous hydrogen and the second gaseous hydrogen and compressing and storing the at least one gaseous hydrogen; and a gas converting and transporting module for receiving the pumped liquid hydrogen and the compressed gaseous hydrogen, performing heat exchange between the pumped liquid hydrogen and the compressed gaseous hydrogen, producing gaseous hydrogen for refueling, and transporting the gaseous hydrogen for refueling to a gaseous hydrogen fuel consumption structure.

HYDROGEN GAS SUPPLY APPARATUS AND HYDROGEN GAS SUPPLY METHOD

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.

Heat circulation hydrogen storing method using solid state hydrogen storage material

Disclosed is a hydrogen storing method having improved energy efficiency by efficiently reusing heat through a heat circulation structure. Specifically, the hydrogen storing method includes supplying hydrogen by the supply device, compressing hydrogen received from the supply device by a compression device, receiving the hydrogen compressed by the compression device and storing the same in a storage device, and transferring heat generated from the storage device to the compression device, wherein the compression device and the storage device each include solid state hydrogen storage materials that cause an exothermic reaction when hydrogen is stored and an endothermic reaction when hydrogen is released.

Hydrogen station and operating method for hydrogen station
11174993 · 2021-11-16 · ·

When a pressure accumulator tank A3a is used as a low-pressure bank, a controller sends an open control signal to an electromagnetic open/close valve A10a to open the electromagnetic open/close valve A10a so that hydrogen in the pressure accumulator tank A3a can be supplied to a tank to be filled (not shown) of an FCV. In parallel with this, the controller sends an open control signal to a first electromagnetic open/close valve 6a and a second electromagnetic open/close valve 6b to open the first and second electromagnetic open/close valves 6a and 6b so that hydrogen can be supplied also from a compressor 2 to the tank to be filled of the FCV.

LARGE-SCALE HYDROGEN REFUELING STATION

The invention relates to a large-scale hydrogen refueling station comprising at least one supply storage, a plurality of compressor modules comprising a local controller, a plurality of dispenser modules, and a hydrogen production system comprising a hydrogen production system controller mutually connected by one or more flow paths. Wherein one of the controllers facilitates control of valves and thereby flow of hydrogen gas in the flow paths between the at least one supply storage, compressor modules, dispenser modules and hydrogen production system. Wherein the control of the valves enables flow of hydrogen gas in at least three of the flow paths simultaneously.