1391results about "Gas handling applications" patented technology

An underground storage system for storing fluid includes a hole having a bottom, a support element including at least one opening able to receive a joining element, at least one reservoir having a longitudinal axis, a bottom end and a top end, a first closure able to close the reservoir at its bottom end, and a second closure able to close the reservoir at its top end. The top end is able to be joined to the support element via the joining element such that the reservoir is hung inside the hole and such that an axial clearance able to absorb axial thermal expansion of the reservoir remains between the first closure and the bottom.

A liquid cryogen stored in a liquid cryogen space of a closed insulated cryogenic storage vessel is subcooled by allowing it to enter into a conduit disposed in the liquid cryogen space where it is expanded by a pressure reducer in the conduit, thereby producing a cooled biphasic mixture of the cryogen in liquid and vaporized forms. The cooled biphasic mixture has a temperature lower than that of the liquid cryogen in the liquid cryogen space. Heat is transferred across the conduit from the liquid cryogen in the liquid cryogen space to the cooled biphasic mixture.

A system and method for hydrogen storage, and delivery. The system includes a hydrogen storage tank, a first pump disposed within the hydrogen storage tank, and a second pump disposed outside of the hydrogen storage tank. The hydrogen storage tank is to store gaseous hydrogen and liquid hydrogen. The first pump is to pump out liquid hydrogen out of the storage tank, producing a low pressure flow. The second pump is to receive this low pressure flow and produces a high pressure flow of liquid hydrogen. The system can also include a thermal device disposed within the hydrogen storage tank to heat gaseous hydrogen when a pressure within the hydrogen storage tank drops below a predetermined minimum pressure. The system can also include a heat exchanger to receive the high pressure flow of liquid hydrogen from the second pump.

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.

The invention belongs to the technical field of hydrogen energy, and particularly relates to a solid hydrogen storage system with two charging and discharging ends and a working method.The solid hydrogen storage system comprises at least two independent solid hydrogen storage units, and each solid hydrogen storage unit independently communicates with an upstream hydrogen supply pipeline through a first valve set and independently communicates with a downstream hydrogen using pipeline through a second valve set; each solid hydrogen storage unit is selectively communicated with the thermal circulation loop or the cold circulation loop through a third valve group; the first valve group, the second valve group and the third valve group are controlled, so that when the upstream hydrogen supply pipeline has a hydrogen supply demand and the downstream hydrogen use pipeline has a hydrogen use demand, the first solid hydrogen storage unit is configured to be in a hydrogen charging mode, and meanwhile, the second solid hydrogen storage unit is configured to be in a hydrogen discharging mode; the solid hydrogen storage unit in the hydrogen charging mode is communicated with the upstream hydrogen supply pipeline and the cold circulation loop for charging hydrogen, and the solid hydrogen storage unit in the hydrogen discharging mode is communicated with the downstream hydrogen supply pipeline and the hot circulation loop for discharging hydrogen.

The invention relates to a method for determining a maximum flow rate setpoint for emptying a pressurised gas tank for a mobile or stationary apparatus with a view to controlling the temperature of the tank during the emptying thereof, the determination method comprising the following steps: - measuring the temperature outside the tank and providing a value (Te) for the temperature measured outside the tank, - measuring the temperature inside the tank and providing a value (Ti) for the temperature measured inside the tank, - measuring the pressure inside the tank and providing a value (Pi) for the pressure measured inside the tank.

The invention relates to a pressure tank for installation in a gas-driven vehicle for storing gas and to a method for producing a pressure tank or a preform of a pressure tank, the pressure tank having a rotationally symmetrical, longitudinally extending shape which is cylindrical in the middle region and which is closed at both ends with curved pole caps, the pressure tank has a tank wall, which encloses a cavity for storing gas, and a metal coupling, so-called boss, on each pole cap, the tank wall comprising a reinforcement layer made of a fiber-reinforced plastic and an inner sealing gasket, and wherein the pressure tank has a hollow space for storing gas, and a metal coupling, so-called boss, on each pole cap, and wherein the pressure tank has a hollow space for storing gas, and wherein the pressure tank has a hollow space for storing gas, and a metal coupling, so-called boss, on each pole cap. According to the invention, there is a bushing which is connected to the boss part, the pressure ring and the spring element for sealing in such a way that the spring element is supported on the bushing and the pressure ring is pressed onto the gasket and thus the gasket is pressed in the region on the boss part.

A system and method for high rate liquid hydrogen tank filling is provided. The flexible, pump-based filling system can achieve high fill rate of liquid hydrogen in excess of 100 kg per minute and accommodate maximum delivery pressures. The present system and method further includes recovery and re-liquefaction of displaced and flash generated tank vapors.

A H2 defueling system for automating defueling of a hydrogen tank is disclosed. The H2 defueling system comprises: a hydrogen storage tank containing hydrogen; a plurality of electronic valves configured for regulating hydrogen discharge of hydrogen from the hydrogen tank; at least one pressure sensor and at least one temperature sensor; a hydraulic circuit interconnecting the hydrogen tank, the plurality of electronic valves, the at least one pressure sensor and the at least one temperature sensor; and a control unit configured to: receive input from the at least one pressure sensor and the at least one temperature sensor; automatically adjust the flow rate of gaseous hydrogen from the storage tanks based on the input from the sensors to maintain the gaseous hydrogen within pressure limits; modulate operations of the plurality of electronic valves to control hydrogen discharge to control the flow of hydrogen from the hydrogen tank.

Gas canisters are provided that include an elongate body comprising a barrel region surrounding a cavity containing pressurized gas, an enclosed first end, and a neck region extending from the barrel region to an open second end including an outlet. A cap is attached to the neck region to enclose the cavity that includes one or more openings. A valve member and a dissolvable trigger member are provided in the cap such that the valve member seals the one or more openings to initially prevent the pressurized gas within the cavity from escaping until the trigger member dissolves. When the trigger member dissolves, the valve member moves to allow the one or more openings to communicate with the cavity to release the pressurized gas from the cavity through the one or more openings.

A multi-layered vessel may include a first vessel layer and a retaining vessel layer. The retaining vessel layer may be configured to strengthen the first vessel layer, and the retaining vessel layer may be secured to outer walls and / or inner walls of the first vessel layer. The first vessel layer alone (or with the retaining vessel layer and / or one or more additional retaining vessel layers) may form a sealed vessel.

A hydrogen supply system includes a detachable hydrogen tank, a hydrogen consumption apparatus that consumes hydrogen in the hydrogen tank, and a control device. The hydrogen consumption apparatus includes a detachment and attachment mechanism that detaches the hydrogen tank from the hydrogen consumption apparatus and attaches the hydrogen tank to the hydrogen consumption apparatus. The detachment and attachment mechanism includes a motor that controls detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus. When a torque value of the motor exceeds a threshold during the control of the detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus, the control device returns the hydrogen tank to a position where a moving process in which the threshold being exceeded is detected is started.

A service providing mobile unit 1 comprised of a frame 2 forming a ring shape about a horizontal axis, movement-use wheels 4, 5 attached to the bottom part of the frame 2, a hydrogen storage tank insert pan 10 formed inside the frame 2, and a fuel cell 40 arranged inside the frame 2. Hydrogen is supplied to the fuel cell 40 from a replaceable hydrogen storage tank 20 inserted into the hydrogen storage tank insert part 10. A service providing space 3 having a ring-shaped inner circumference surface of the frame 2 as its outer edges is formed by the frame 2, and power can be supplied from the fuel cell 40 to a service providing unit installed inside the service providing space 3.

A valve assembly includes a body and a plurality of valve subassemblies. The valve subassemblies include a safety valve having an inlet and another valve. The body has a gas flow passage including a first flow passage connected to a gas tank and a second flow passage connected to an external device, and an integrated attachment hole that communicates with each of the first flow passage and the second flow passage. The integrated attachment hole includes a first attachment hole that is open in an outer surface of the body and is configured such that the safety valve is attached, and a second attachment hole that is open in a bottom surface of the first attachment hole and is configured such that the other valve is attached. The inlet is configured to communicate with the first flow passage regardless of an open or closed state of the other valve.

Aseptic dosing head (2, 60) for cryogenic liquid, comprising an aseptic reservoir (10) for cryogenic liquid communicating with a dosing outlet (24); a metering valve stem (30) extending through the aseptic cryogenic liquid reservoir (10) and having a lower distal end configured to selectively open and close the metering outlet (24); an electromagnetic actuator (40) attached to an upper end of the metering valve stem (30) and operable to move the metering valve stem (30) to open and close the metering outlet (24); and a seal (42) extending around the metering valve stem (30) and separating the aseptic cryogenic liquid reservoir (10) from a cavity (44) between the seal (42) and the actuator (40).

A composite valve sub assembly includes a tubular sleeve inserted into a single attachment hole of a body; an electromagnetic valve body housed in the sleeve; a solenoid actuator configured to move the electromagnetic valve body in the sleeve; a plug fixed at an end portion of the sleeve and disposed between the sleeve and a bottom surface of the attachment hole; and a check valve body disposed on the opposite side of the electromagnetic valve body from the plug. The plug has an internal flow path including a first opening connected to a first flow path of the body and opened and closed by the electromagnetic valve body, and a second opening connected to a second flow path of the body and opened and closed by the check valve body.

The invention relates to a method of operating and / or fueling a compressed gas supply system (34) having at least two compressed gas tanks (15, 16, 17, 18, 19) connected to an anode path (2) of a fuel cell system (1).To increase thermal safety during operation and / or fueling of the compressed gas supply system (34), the valve devices (21, 22, 23, 24, 25) assigned to the pressure tanks (15, 16, 17, 18, 19), which comprise a filling path with an actively switchable filling valve and a discharge path with an actively switchable discharge valve for each of the compressed gas tanks (15, 16, 17, 18, 19) are individually actuated via an electronic control unit, which is connected to a sensor device having at least one sensor, which senses a current temperature in the respective valve installation (21, 22, 23, 24, 25).

An apparatus and a method for fueling. The apparatus 10 comprising a plurality of vessels 1, 2, 3, 4, 5 for containing a fuel gas, each vessel of the plurality of vessels being selectively fluidly connectable to at least one receiving vessel 6 and a control means configured to selectively divide the plurality of vessels 1, 2, 3, 4, 5 into a plurality of banks each comprising one or more of the plurality of vessels 1, 2, 3, 4, 5. The control means is further configured to sequentially fluidly connect the plurality of banks to the at least one receiving vessel 6 such that when one of the plurality of banks is fluidly connected to the at least one receiving vessel 6 the one or more of the plurality of vessels 1, 2, 3, 4, 5 within that bank are fluidly connected to the at least one receiving vessel 6 but are fluidly isolated from the one or more of the plurality of vessels 1, 2, 3, 4, 5 of the remaining ones of the plurality of banks.

Methods for storing hydrogen in subterranean salt caverns using chemical hydrogen carriers.

A fuel delivery system and method for controlling a fuel delivery system includes a fuel control device including a valve and an electronic sensor assembly integrated to the fuel control device and is arranged to detect an operational positioning of the valve, to generate a record of the real-time activation of the valve, and to compare records of real-time activation against a schedule of fuel deliveries to detect unauthorized fuel access.

A vehicle is equipped with a hydrogen tank that stores hydrogen, a fuel cell that generates electricity from the hydrogen in the hydrogen tank, a filling device 4 that fills a fuel cell vehicle with the hydrogen stored in the hydrogen tank, and a charger with which electricity generated by the fuel cell is charged to an electric vehicle. Using the vehicle, hydrogen and electricity are delivered to the home of a user.

A pressure vessel arrangement includes a plurality of pressure vessels configured to store fuel, and a valve arrangement with at least one valve and a plurality of tank connectors. In the pressure vessel arrangement each pressure vessel of the plurality of pressure vessels is connected to one of the tank connectors. Further, in the pressure vessel arrangement the valve arrangement connects the tank connectors directly to one another and to the at least one valve, such that a fluid exchange which is not impaired at any time by way of a valve is brought about between the individual pressure vessels.

A ship and a method are for bringing liquified gas, such as liquified carbon dioxide, CO2, from an onshore terminal for captured gas across a sea to a subsurface permanent storage reservoir. The ship has a loading line for communicating liquified gas from the onshore terminal into at least one vessel, and a processing plant. The processing plant of the ship has an injection processing module configured for injecting liquified gas into the subsurface permanent storage reservoir, wherein the injection processing module is operatively connected to the at least one vessel and an injection line provided with a connector for connecting to a flexible injection hose being in fluid communication with the subsurface permanent storage reservoir.

The present invention relates to a system and method for regasification of liquefied gas for vessels, which generates power by recovering cold heat discarded in regasification of liquefied gas to improve energy efficiency. The liquefied-gas regasification system for vessels includes: a vaporizer gasifying liquefied gas into a regasified gas through heat exchange with a first heating medium; a trim heater heating the regasified gas to a temperature required for a gas consumer through heat exchange with a second heating medium when the regasified gas is delivered from the vaporizer to the gas consumer; a first cycle in which the first heating medium is circulated; and a second cycle in which the second heating medium is circulated, wherein the first cycle includes a first heat exchanger gasifying the first heating medium to be supplied to the vaporizer through heat exchange with a heat source; and an expander-generator generating power through expansion of the first heating medium gasified by the first heat exchanger, and the second cycle includes a second heat exchanger heating the second heating medium to be supplied to the trim heater through heat exchange with a heat source.

The present disclosure relates to a hydrogen tank support apparatus, and the hydrogen tank support apparatus according to the present disclosure includes: a hydrogen storage tank; a frame portion on which the hydrogen storage tank is seated; and a sliding block portion configured to fix a nozzle portion of the hydrogen storage tank to the frame portion, wherein the sliding block portion includes a lower block portion fixed to the frame portion, an upper block portion coupled to the lower block portion in a concave-convex manner so that movement of the hydrogen storage tank is limited in a longitudinal direction and a width direction of the hydrogen storage tank, and a slide ball portion configured to surround an outer side surface of the nozzle portion, interposed between the lower block portion and the upper block portion, and configured to rotatably support the nozzle portion.

A method of hydrogen (H2) storage and withdrawal is described. The method includes injecting a fluid stream into a subsurface formation via an injection well to form a composition containing a gas-phase mixture, a first liquid-phase mixture, and a solid matrix, injecting a H2-containing gas stream into the subsurface formation via the injection well to form a first gas mixture containing H2 gas, heating and pressurizing the subsurface formation containing the first gas mixture via at least one heat well to achieve a storage condition and maintaining the storage condition to store the H2 in the subsurface formation, injecting a CH4-containing gas stream into the subsurface formation via the at least one injection well to form a second gas mixture, withdrawing the second gas mixture via at least one production well, and introducing the second gas mixture into a hydrogen purification device including hydrogen-selective membranes.

To provide a valve system capable of more rapidly estimating a valve opening position of a blocking valve.SOLUTION: A valve system 1 comprises a tank 2 which can store fluid, a pressure sensor 6 which detects an inner pressure of the tank 2, a valve 4 which includes a valve body 11 and opens and closes the tank 2, a driving device for stroking the valve body 11 of the valve 4, and a control device 5. The control device 5 continuously opens a closed valve 4 at a constant valve opening speed by operating the driving device. When the pressure sensor 6 detects that the inner pressure in the tank 2 decreased by a constant value, the control device stores a position of the valve body 11 or stops the valve body 11. The control device estimates a valve opening position of the valve 4 on the basis of a storage position of the valve body 11 or a stop position and a valve opening quantity of the valve body 11 till the inner pressure predetermined for the inner pressure before opening of the tank 2 decreases by a constant value.SELECTED DRAWING: Figure 1

A liquefied gas storage facility comprises a supporting structure and a tank installed in the supporting structure. An insulating barrier arranged between the sealed membrane and the cylindrical supporting wall comprises rows of insulating panels distributed in the form of a plurality of sectorial portions (41) placed side by side in the circumferential direction, one or each sectorial portion (41) consisting of at least one row of adjustment insulating panels (24) and of a plurality of ordinary rows of insulating panels (23) distributed in the circumferential direction on either side of the at least one row of adjustment insulating panels (24), the ordinary rows of insulating panels of the sectorial portion having a uniform dimension (L) in the circumferential direction, the or each row of adjustment insulating panels of the sectorial portion having a singular dimension in the circumferential direction, the singular dimension being smaller than the uniform dimension (L).

It is inconvenient for users because it is not clear how much a removable hydrogen tank can be used with each hydrogen consuming device. [Solution] The information processing device includes a memory unit in which information on multiple hydrogen consuming devices that operate by receiving hydrogen from a removable hydrogen tank is registered, a remaining amount acquisition unit that acquires the remaining amount of hydrogen in the hydrogen tank based on information transmitted from a hydrogen consuming device among the multiple hydrogen consuming devices that is equipped with a hydrogen tank, a calculation unit that calculates the operable amount of each of the multiple hydrogen consuming devices based on the remaining hydrogen amount acquired by the remaining amount acquisition unit, and a display control unit that displays the calculation results by the calculation unit on a specified display unit.

A valve system that can quickly estimate the valve opening position including a tank to store fluid, a pressure sensor having a valve element to detect an internal pressure of the tank, a valve to open and close the tank, a driving device to stroke the valve element of the valve, and a control unit.