153results about "Gas handling/storage purpose" patented technology

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).

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.

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.

A ship has a hull, at least one double-shell tank mounted on the hull, having an inner tank storing liquefied gas and an outer tank covering the inner tank, at least one first discharge tower extending upward from the hull, at least one second discharge tower extending upward from the hull independently of the first discharge tower, a first discharge line connecting an upper portion in the inner tank and a tower interior of the first discharge tower, a second discharge line connecting the inner tank and an inter-tank region of the outer tank and a tower interior of the second discharge tower, and a pressure release device provided in the second discharge line, which is closed normally and opened when a pressure of the inter-tank region exceeds a prescribed inter-tank allowable value.

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).

Method (200) for preventing or limiting icing of a pressurized gas distribution station (100), the station (100) comprising a filling line having in series one end connected to a pressurized gas source (1), a first heat exchanger (2) for cooling a gas stream from the source (1), and a distribution terminal (3) for distributing the cooled stream to a tank (4) to be filled, the distribution station (100) also comprising a bypass line (L4) from the filling line at the first heat exchanger (2), the method (200) comprising a step (S1) for transferring a relatively hot gas stream to the distribution terminal (3) via the bypass line (L4), the relatively hot gas stream being at a temperature higher than a predefined temperature at the outlet of the first heat exchanger (2). Abstract figure: Fig. 1

A compressed gas storage container (7) for pressurized storage of gas (H2), particularly hydrogen, includes a wall (9) surrounding a receiving area (10) for receiving gas (H2); and a depressurization mechanism (24) for discharging gas (H2) from the receiving area (10), wherein the depressurization mechanism (24) has a pyroelectric sensor fiber (28), wherein the depressurization mechanism (24) has a thermoelectric sensor fiber (29), wherein the depressurization mechanism (24) has a switching element (35) connected to the pyroelectric sensor fiber (28) and the thermoelectric sensor fiber (29), and wherein the thermoelectric sensor fiber (29) is configured to turn on the switching element (35) when heat (Q) caused by combustion is input into the wall (9), such that the pyroelectric sensor fiber (28) triggers the depressurization mechanism (24) to discharge gas (H2) from the receiving area (10).

The invention relates to a pressurized fluid distribution station (100) such as hydrogen, comprising a transfer line (TL) connecting in this order a source (10) of a cryogenic fluid, a cryogenic fluid compression system (20), and a distributor (30) configured to distribute the cryogenic fluid to a tank (8) to be filled, the transfer line (TL) comprising a first circuitry (L1) configured to ensure a flow of a gaseous stream of the cryogenic fluid from a first zone of the source (10) to a first region of the compression system (20), and vice versa, a second circuitry (L2) configured to ensure a flow of a liquid stream of the cryogenic fluid from a second zone of the source (10) to a second region of the compression system (20), and vice versa, and a third circuitry (L3), called the main circuitry,configured to ensure the flow of a stream of cryogenic fluid from an outlet of the compression system (20) to the distributor (30). According to the invention, the distribution station (100) comprises a branch line (L4) from the transfer line (TL) at the compression system (20), the branch line (L4) comprising a first end connected to the first circuitry (L1) at a first junction point JP1 located upstream of the compression system (20), and a second end connected to the main circuitry (L3) at a second junction point JP2 located downstream of the compression system (20). Abbreviated figure: Fig. 1,

The present invention relates to a tank device (1) for storing gaseous media, particularly hydrogen, the tank device having a valve device (2), a tank (10), and a longitudinal axis (11). The valve device (2) has a valve housing (20) in which a pre-control valve element (18) movable along the longitudinal axis (11) is arranged, the pre-control valve element (18) interacting with a first valve seat (27) to open and close a first outlet (56), and thus forming a pre-control valve (44). The valve device (2) is operable by means of an electromagnetic coil (14), wherein a main valve element (19) is arranged coaxially with the pre-control valve element (18) in the valve housing (20), the main valve element (19) interacting with a second valve seat (40) to open and close a second outlet (31), and thus forming a main valve (191). The can assembly (1) includes a screw-in housing element (24), wherein the valve assembly (2) is fixedly integrated into the neck region (6) of the can (10) by means of the screw-in housing element (24). The valve assembly (2) is arranged in the closed position by means of the can pressure in the can (10) and by means of a spring (26) when the electromagnetic coil (14) is turned off.

Leak-proof and thermally insulating tank for the storage of a liquefied gas. The invention relates to a tank, the tank comprising a tank wall (100) including a sealing structure for hermetically sealing a space between the sealing membrane and the load-bearing wall (1000), the sealing structure comprising a first metal structure (6) and a second metal structure (9); the first metal structure comprising a first height (61) and a first base (62); the second metal structure comprising a second height (91) and a second base (92), the sealing membrane comprising corrugations and flat parts situated between the corrugations, the flat parts of the sealing membrane being hermetically fixed to the second base (92);the sealing membrane comprising caps (40) fixed in a watertight manner to the longitudinal ends of the longitudinal corrugations and to the second base (92) to close said longitudinal ends. Figure for the abbreviation: 6;

This invention belongs to the field of hydrogen fuel cell technology, specifically relating to a hydrogen energy storage fuel cell power generation device, including a fuel cell, a storage battery, an inverter output component, a hydrogen storage component, and a protective component. The fuel cell is electrically connected between the inverter output component and the storage battery, and the inverter output component includes an external power output terminal. The inner cavity of the hydrogen storage tank is connected to the fuel cell. The hydrogen storage component includes a hydrogen storage tank, a hydrogen filling panel, and an explosion-proof layer. The protective component is fixedly installed on the outside of the hydrogen storage component and includes a water storage sleeve, an explosion-proof cover, and a telescopic explosion-proof plate. When the hydrogen storage tank of this invention is subjected to a significant collision risk, the hydrogen in the hydrogen storage tank is automatically partitioned and stored in various hydrogen storage chambers, thereby reducing the hydrogen concentration. Combined with the explosion-proof layer covering the outer perimeter of the hydrogen storage tank and the hollow nitrogen chamber to mitigate external impacts, the device's anti-explosion capability is enhanced. Furthermore, the telescopic explosion-proof plate completely seals the hydrogen storage tank, improving the overall explosion-proof capability of the device.

Disclosed are a toroidal tank (1) for a vehicle, comprising two ring shaped internal fluid compartments (10,12), wherein a cylindrical wall (6) separating these fluid compartments (10,12) are adapted to be a part of the primary structure of the vehicle and thus to be integrated in a load path of the vehicle, and a vehicle.

A multiple-shell tank includes: an inner shell; an outer shell accommodating the inner shell; an outermost shell accommodating the inner shell and the outer shell; and an inter-shell pipe extending through a space between the inner shell and the outer shell. The inner shell includes an inner shell main body and an inner shell projecting portion that extends from the inner shell main body, penetrates the outermost shell, and projects to an outside of the outermost shell. The outer shell includes an outer shell main body covering the inner shell main body and an outer shell projecting portion that extends from a top portion of the outer shell main body, penetrates the outermost shell, projects to the outside of the outermost shell, and surrounds at least a part of the inner shell projecting portion. At least a part of the outer shell projecting portion includes an outer shell exposed portion that is exposed to the outside of the outermost shell. The inter-shell pipe extends through a space between the inner shell main body and the outer shell main body, extends through a space between the inner shell projecting portion and the outer shell projecting portion, penetrates the outer shell exposed portion of the outer shell projecting portion, and extends to the outside.

The invention relates to a liquefied gas storage facility (1), comprising: a load bearing structure (10) having a bottom wall (21) and a vertical load bearing wall (12) consisting of N vertical load bearing plates (14); and a can comprising a bottom wall (21) and a vertical wall (22), said bottom wall (21) having N / 2 angular sectors, the sealing membrane of each angular sector (25) of the bottom wall (21) comprising first corrugations (72) spaced apart from each other by a regular corrugation pitch (26), the sealing membrane of the complete vertical plate (241) has a vertical corrugation (172) continuously connected to the first corrugation (72) of the sealing membrane of the angular sector (25) of the bottom wall (21), and wherein the sealing membrane of the vertical plate of each half has a vertical corrugation (172) which is connected to the first corrugation (72) of the sealing membrane of the angular sector (25) relative to each angular sector (25). Two of the vertical corrugations (172) of the sealing membrane are spaced apart from each other by a special corrugation pitch (27).

A gas storage structure includes at least one tubular element. The at least one tubular element includes at least one channel and at least two gas storage layers. The at least two gas storage layers surround the at least one channel, wherein each of the at least two gas storage layers includes a plurality of pores, the at least two gas storage layers have different numbers of the plurality of pores per unit volume thereof, and sizes of the plurality of pores are different. Each of the at least two gas storage layers includes a plurality of crystallites, the plurality of pores are formed by the plurality of crystallites connected there among, and the plurality of pores are radially distributed from the at least one channel of the at least one tubular element to a peripheral area thereof.

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 pressurised gas vessel (2) in which the fuel gas is stored under pressure; and a control unit (3) by means of which sensor data from at least one sensor (4) installed in the tank system (1) are read out and evaluated. According to the invention, during phases in which the tank system (1) is not in operation, the control unit (3) is activated intermittently via an implemented wake-up function and is used to perform a leak test. The invention also relates to a control unit (3) for a mobile fuel-gas tank system (1).

A vent system includes a vent stack for venting a tank fluid from a fuel tank that is external to the vent stack, during fuelling of the fuel tank. The vent stack includes a conduit including a conduit inlet and a conduit outlet, the conduit outlet opening to atmosphere external to the conduit. The vent stack also includes an opening into the conduit between the conduit inlet and the conduit outlet. The opening is fluidically connected, or connectable, to the fuel tank so the tank fluid from the fuel tank flows through the opening to the conduit outlet, in use. The vent stack also includes a fluid mover operable to cause a mixer fluid receivable in the conduit inlet to flow through the conduit towards the conduit outlet, thereby to mix the mixer fluid with the tank fluid in the conduit, upstream of the conduit outlet.

Method (200) for determining the initial pressure of a pressurized gas tank (4) to be filled from a dispensing station (100), the dispensing station (100) comprising a filling line (TL) having in series a pressurized gas source (1), a heat exchanger (2), and a distributor (3), the dispensing station (100) also comprising a branch line (L4) from the filling line (TL) at the heat exchanger (2), the method (200) comprising the following steps: a step (S1) of transferring a gas flow from the gas source (1) or the heat exchanger (2) to the distributor (3) via the branch line (L4), a step (S4) of recording an initial pressure in the tank (4) to be filled as a function of a pressure measured on the filling line (TL). Abstract figure: Fig. 1

Systems and methods are disclosed for using a pressure relief shipping adapter (100) to reduce the internal pressure of a container (105). A pressure relief shipping adapter (100) includes a body (230) comprising a first portion (255), a transitional portion (310), and a second portion (260). The first portion (255) comprises a set of protrusions (250) and a hole (285) disposed through the set of protrusions (250). The second portion (260) comprises an outlet disposed at a second end of the body (230). The outlet is concentric with an inlet disposed at the first end of the body (230). The transitional section is disposed between the first portion (255) and the second portion (260). The pressure relief shipping adapter (100) also includes an internal chamber (290) within the body (230).

A four‐lobe cargo tank for transporting and / or storage of liquified gases, wherein the tank comprises four main lobes each with a cylinder sector outer shell and main lobe axis, and said four main lobes are arranged with said four main lobe axis axial‐parallel with and about a common main central axis, such that said four main lobes joined by four web frames with four corresponding diagonally arranged perforated bulkheads directed outwardly from said main central axis, and said tank further comprises a first and a second end cover and each end cover further comprising four quarter spherical shell portions which each is forming an end portion of said cylinder sector outer shell, and said quarter spherical shell portions of said first and second end covers, respectively, are joined and closing toward said main central axis by a first and a second four diagonally arranged cylindrical 45‐degree cut pipe portions, which each are arranged with its axis transverse to said main axis. Figure 1b for the abstract.

A valve for compressed gases comprises a valve body provided with an inlet and outlet pipe and a safety group configured for discharging the operating fluid under emergency conditions. The safety group comprises a discharge pipe, a breakable sealing element, which is configured to close said discharge pipe as long as a pressure less than a predetermined threshold value acts on said sealing element and a deflector element which is configured to be inserted into a seat of the discharge pipe so as to project. The deflector element is configured to discharge the operating fluid outside said valve in a direction which substantially diverges with respect to the discharge direction. The safety group comprises a protection structure which projects in a direction away from said seat and which is arranged peripherally with respect to an upper portion of said peripheral surface which comprises sloping surfaces.

The present invention relates to the field of gas storage systems and concerns a pneumatic membrane gas reservoir (1) for storing hydrogen gas at low pressure, comprising: a bag-like first membrane (10) adapted to delimit a hydrogen storage chamber (C1); a second membrane (20) adapted to partially delimit a pressurized chamber (C2) at least partially overlapped by the storage chamber (C1); a second membrane (20) placed on the first membrane (10), fixed impermeably at least to the second membrane (20) and arranged together with the first membrane (10) on the outside of the gas reservoir (1). a third membrane (30) adapted to define a cavity (2) opening towards the side; hydrogen supply and discharge means associated with the storage chamber (C1); means for pressurizing the pressurized chamber (C2) with air; mechanical fastening means (4) against the base surface (S) of the first membrane (1), the second membrane (20) and the third membrane (30); a natural passive ventilation system for ventilating any hydrogen losses to the outside, comprising a duct (5) adapted to connect the cavity (2) through the pressurized chamber (C2) to the outside environment.

Provided is a steel pipe or tube for hydrogen gas that has both excellent hydrogen embrittlement resistance and high productivity and can be used very suitably as parts of pressure vessels for hydrogen gas. The steel pipe or tube for hydrogen gas having a finish-polished inner surface, in which the inclination angle of a polishing trace present on the inner surface with respect to a circumferential direction of the steel pipe or tube for hydrogen gas is 0° to 30°.

An injector (1) for a gas reservoir (10), the injector (1) comprising a conduit (2) extending along a longitudinal principal axis (X2) and intended to fluidly connect a pressurized gas source and a reservoir (10), the conduit (2) comprising an inlet port (23) for receiving the pressurized gas and an outlet port (24) opening into the reservoir (10), the conduit (2) defining two distinct gas flow circuits (25, 26) between the inlet port (23) and the outlet port (24): a first circuit (25) for the flow of a first gas stream and a second circuit (26) for the flow of a second gas stream, characterized in that the first circuit (25) and the second circuit (26) converge at the outlet port (24) and are configured to impart to the first and second streams, respectively, a first discharge velocity and a second evacuation speed,the first evacuation speed being different from the second evacuation speed. Abbreviated figure: Fig. 3,

According to aspects, hydrogen fueling systems and methods are provided that include vehicle-to-vehicle communication, hydrogen cooling, and / or hydrogen dispenser control technologies that facilitate improving aspects of hydrogen fueling stations.

The embodiment of the present application discloses a kind of gas trapping systems of gas storage leakage, comprising: exhaust component, exhaust component is connected to gas storage, exhaust component is used to discharge gaseous energy storage working medium leaked by gas storage;Absorption part, absorption part is connected to exhaust component;Absorption part is provided with or connected with absorbent;Gaseous energy storage working medium leaked by gas storage can be reacted with absorbent to generate reaction liquid;Regeneration part, regeneration part connects absorption part;Regeneration part is used to receive the reaction liquid output by absorption part.The gas trapping system of gas storage leakage disclosed in the embodiment of the present application can capture and recover gaseous energy storage working medium in gas leaked from gas storage by absorption part, exhaust component and regeneration part, so as to realize the effect of energy saving, reducing the harm caused by gaseous energy storage working medium leakage.

The present invention provides a double-wall tank (100) comprising at least one piping connecting system and to a method for assembling a double-wall tank provided with at least one piping connecting system.

This invention provides a hydrogen refueling control method, system, and vehicle for hydrogen-powered hybrid vehicles. The hydrogen refueling control method includes: upon receiving a user-inputted hydrogen refueling command, outputting a vehicle high-voltage power-down command to control the high-voltage relay to disconnect and execute high-voltage power-down; when the high-voltage relay is in the disconnected state and the vehicle's high-voltage power-down is complete, outputting a cover unlock signal to control the opening of the hydrogen refueling cover; and when the hydrogen refueling cover is fully opened, outputting a hydrogen refueling permission signal to the hydrogen storage controller to initiate hydrogen refueling. This invention, after controlling the high-voltage relay to disconnect and execute high-voltage power-down, detects the power-down status of the high-voltage relay and the vehicle, and opens the hydrogen refueling cover only when the high-voltage relay is in the disconnected state and the vehicle's high-voltage power-down is complete. This effectively avoids performing the hydrogen refueling process under conditions such as high-voltage relay sticking or incomplete vehicle high-voltage power-down, thus ensuring safer hydrogen refueling.

Provided is a liquid storage container in which a device is disposed and with which high durability can be achieved.　This liquid storage container includes: a seamless cylindrical container body in which a storage chamber capable of storing a liquid is provided and which has, on both end sections thereof, an opening for connecting the storage chamber with the outside; and a device which is partially disposed in the storage chamber of the container body and acts on the liquid inside the storage chamber to damp vibration occurring on the liquid surface and / or controls the position of the liquid surface, wherein the device has a pair of fixed parts which are in contact with and fixed to the opening of the container body, and a device part which is supported by the pair of fixed parts and is not directly fixed to the container body.