1001results about "Gas handling applications" patented technology

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 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 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.

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).

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

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 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.

A type IV conformable pressure vessel assembly is provided comprising a plurality of elongated folded tanks and an on-tank-valve (OTV) manifold assembly configured to pass fluid into and out of an interior of the plurality of elongated folded tanks through a plurality of first and second filling couplers directly connected to respective first and second ends of the plurality of elongated folded tanks. Each of the plurality of elongated folded tanks have at least two chambers for the storage of fluid. The manifold valve assembly receives fluid from an external source, selectively provides the external fluid to one or more of the plurality of first and second filling couplers.

Storage system (1) for storing a fluid medium, preferably hydrogen, comprising at least one tank container (200) in a basic cylindrical shape with two ends (202) for storing fluid medium, in particular hydrogen, wherein the tank container (200) has a first shell element (10), which forms a tank interior (201), a second shell element (12), which surrounds the first shell element (10), and an end cap element (18) at each of its ends (202). The end cap element (18) receives the first shell element (10) and the second shell element (12) in the ends (202) of the tank container (202). Furthermore, the first shell element (10) is completely inserted and fixed within the second shell element (12) and within the end cap element (18). The invention also relates to a method for pressure-tight assembly of the storage system (1).

A fuel system having a hydrogen fuel tank for fueling a fuel feed and propulsion system. The fuel system having a jet pump within the hydrogen fuel tank, at least one primary pump receiving fuel from the jet pump and pressurizing fuel to an outlet path and a first fuel recirculation path configured to selectively recirculate fuel to the hydrogen fuel tank. The first fuel recirculation path is fluidly connected to the outlet path. The first fuel recirculation path includes a heat exchanger positioned within the hydrogen fuel tank to cool fuel received from at least one of the fuel feed system or a tank pressurization system. The heat exchanger and a Joule-Thomson expansion at the jet pump minimizes recirculated fuel temperature, which in combination with a selective flow recirculation rate improve the life of the primary pump downstream.

The invention relates to a method for operating a mobile tank system (1) for a fuel gas, in particular for hydrogen or natural gas, comprising at least one pressurized gas container (2) in which the fuel gas is stored under pressure, and a control unit (3) with the aid of which sensor data from at least one sensor (4) installed in the tank system (1) are read and evaluated. According to the invention, in phases in which the tank system (1) is out of operation, the control unit (3) is temporarily activated via an implemented wake-up function and used to carry out a leakage test.

Disclosed herein is a work machine having a gas engine and a gas storage system having at least one gas storage tank. The controller is provided with a controller configured to determine a leakage condition within the gas storage system and / or the gas engine.

A tank of a gas supply system is configured to be detachably attached to a gas consumption device. A control device is configured to, when the tank is detached, close an open / close valve to stop supply of gas from the tank, stop consumption of gas by the gas consumption device after the gas in the supply channel is consumed, and perform computation to permit detachment of the tank after confirming that pressure acquired from a pressure sensor is not rising to a predetermined level or higher.

To provide a hydrogen supply system capable of avoiding continuation of pinching of foreign matter or the like.SOLUTION: A hydrogen supply system comprising: a detachable hydrogen tank; a hydrogen consuming device configured to consume hydrogen in the hydrogen tank; and a control device, wherein the hydrogen consuming device comprises a detachment mechanism configured to detach the hydrogen tank from the hydrogen consuming device, when a torque value of the motor exceeds a threshold value during attachment / detachment control of the hydrogen tank to / from the hydrogen consumption device, the control device returns the hydrogen tank to a position at which a moving stroke in which the torque value exceeds the threshold value is started.SELECTED DRAWING: Figure 1

According to the invention, the technology disclosed here relates to a device (10) for a process for filling a tank with fuel, comprising a vibration unit (12) and a fuel nozzle (13) for a tank system (50) and / or a fuel coupling (14) for a filling station (200), wherein the vibration unit (12) can be activated in order to transmit a vibration to the fuel nozzle (13) and / or to the fuel coupling (14) in order to break up an ice coating (18) between the fuel nozzle (13) and the fuel coupling (14). The technology also relates to a vehicle (100) and to a filling station (200) comprising the device (10).

The present invention concerns a safety valve (10) for a storage tank (12) able to store dihydrogen, the safety valve comprising : a valve body (16) ; an inner chamber (18), formed in the valve body ; a gas inlet (20) and a gas exhaust outlet (22), opening in the inner chamber (18) ; and a plug (24), inserted in the gas exhaust outlet (22) ; the plug (24) being configured for being ejected from the gas exhaust outlet (22) in case of an overpressure and / or of an over-temperature in the inner chamber (18). The safety valve also comprises a detection device (26) coupled to the plug (24), the detection device being configured for being activated when the plug is ejected from the gas exhaust outlet (22).

This invention discloses a method for connecting and disconnecting a hydrogen storage cylinder from a hydrogen refueling device, as well as a method for filling the cylinder with hydrogen, relating to the field of hydrogen production and refueling. The filling method includes: pushing the hydrogen storage cylinder to be filled into the gas cylinder compartment until the quick-connect male connector is installed onto the quick-connect female connector and locked in place, thus connecting the gas path and completing the connection between the hydrogen storage cylinder and the hydrogen refueling device; turning on the switch of the hydrogen production module to start the electrolyzer to produce hydrogen and fill the hydrogen storage cylinder with hydrogen; detecting that the hydrogen storage cylinder has been filled with hydrogen, turning off the hydrogen production module; pressing a button, which, through a locking and disconnecting device, pushes the opening and closing sliding sleeve to the side away from the quick-connect male connector, causing the quick-connect female connector to pop out from the quick-connect male connector and the hydrogen storage cylinder, completing the disconnection of the hydrogen storage cylinder from the hydrogen refueling device. This invention achieves automatic and rapid assembly and disassembly of the hydrogen storage cylinder and the hydrogen refueling device through the cooperation between the locking and disconnecting device and the quick-connect male and female connectors, realizing automatic hydrogen filling of the hydrogen storage cylinder.

The invention relates to a diagnostic method (100) for diagnosing the state of tank valves (203) in a tank system (200), the tank system (200) having a plurality of fuel tanks (201), each having a tank valve (203), and a fuel line arrangement (207) for guiding fuel out of the fuel tanks (201).

This hydrogen-powered electric vehicle comprises an electric drive unit for driving at least one drive wheel of the vehicle, at least one electrical energy storage battery, at least one fuel cell module, a hydrogen tank for the fuel cell, and a hydrogen circuit connected to the tank, including components through which hydrogen circulates. It includes a set of hollow guide conduits (12, 13), each having a first end (14) opening at a component of the hydrogen circuit and a second accessible end. Figure for the abbreviation: Fig 2

Provided is a pressure vessel (1) comprising a liner (2) and an insert member (3) that are integrally formed by blow molding the liner (2). The insert member (3) has a cylindrical shape with an inner diameter opening portion (27). The liner (2) is molded integrally with the insert member (3) by inserting a parison through the inner diameter opening portion (27) and performing blow molding. Since the liner (2) is inserted inside the insert member (3) and is blow molded, a pinched portion is not generated. Consequently, strength of the pressure vessel (1) can be improved, and fluid is prevented from leaking between the liner (2) and the insert member (3).

A pressure vessel assembly comprises one or more pressure elements configured to store compressed gas; an end fitting that extends from an internal cavity of the one or more pressure elements; and a retention component configured to sustain engagement of the end fitting with at least one of the one or more pressure elements below a predetermined pressure threshold. The retention component comprises a plug connected with the end fitting so that the end fitting does not slide through an opening of the one or more pressure elements; or an anchor connected with the end fitting and comprising one or more arms that are configured to sustain engagement of the end fitting with the at least one of the one or more pressure elements.