Abstract: A pressurized gas storage system includes an outer shell having an inner and outer surface. The inner surface defines an inner volume for holding a pressurized gas. A first electrically conductive layer is attached to the outer shell. An inner liner is disposed over the inner surface. A second electrically conductive layer is attached to the inner liner. A capacitance meter measures the capacitance between the first and second electrically conductive layers wherein a change in capacitance indicates buckling in the storage system.

Abstract: This invention is a high pressure gas container into which a high pressure gas is charged, includes: a liner into which the high pressure gas is charged; and a reinforcing sleeve that envelops an outer surface of the liner, wherein the liner includes: a cylindrical liner trunk portion; and a pair of liner shoulder portions formed by reducing a diameter of respective end portions of the liner trunk portion, and the reinforcing sleeve includes: a sleeve trunk portion fitted to the liner trunk portion; and a pair of sleeve shoulder portions that extend from the sleeve trunk portion so as to contact the respective liner shoulder portions.

Abstract: A composite pressure vessel assembly method includes fitting an end portion of a tubular member into an annular slot formed in an end cap. Sealant may be in the annular slot. The end cap includes an annular groove in an exterior surface of the end cap body portion. A first material layer is formed on an exterior surface of the tubular member. The first material layer includes a first composite material including fibers oriented circumferentially to the tubular member. A second material layer is formed on the first material layer with a portion of the second material layer being disposed into the annular groove, and includes a second composite material including fibers oriented axially to the tubular member. A third material layer is formed adjacent the second material layer and in the annular groove, and includes a third composite material including fibers having an orientation circumferential to the tubular member.

Abstract: A pressure vessel is disclosed. The pressure vessel may include a boss, a liner, an O-ring, and a composite overwrap of shell. A boss may comprise a through aperture, a first groove encircling the through aperture, and a first engagement mechanism. A liner may comprise an interior surface, exterior surface, and a second engagement mechanism. The interior surface may define an interior cavity of the pressure vessel. The second engagement mechanism may mechanically engage the first engagement mechanism to secure the liner to the boss. An O-ring may be positioned within the first groove of the boss and abut the exterior surface of the liner. A composite overwrap may surround the liner and at least a portion of the boss.

Abstract: Embodiments of the invention relate to a reservoir assembly for use in a device, such as a fuel cell system, hydride storage system, hydrogen compressor system, heat pump system or air conditioner system. The assembly includes a first cellular component interconnected with at least a second cellular component in which the interconnected cellular components are arranged together to substantially fill an available device space, one or more end caps coupled to a portion of the first or the second cellular components, one or more external ports for adding or removing a fluid from the reservoir in which the external ports are positioned in one or more of the end caps or cellular components, and one or more internal ports in which each internal port fluidly connects the first interconnected cellular component to at least the second interconnected cellular component.

Abstract: The present invention is directed, in part, to an apparatus and methods related to an expandable storage tank for compressed gas, the storage tank prepared from a puncture resistant, flexible fabric material in which the storage tank is expandable to a desired volume when inflated and when deflated. During periods of non-use the storage tank is retracted in a compact and folded manner to save space compared to when the tank is inflated. The storage tank is utilized by employing its use in conjunction with a traditional air compressor and can be configured with or without a rigid outer shell that expands in relation to the amount of compressed air transferred into the expandable storage tank.

Abstract: A method of forming an inner can of a gas cartridge including securing inner can material and pre-stressing the material such that flexion thereof during gas cartridge use is distributed.

Abstract: The invention relates to a fuel tank (1) consisting of thermoplastic, with at least one continuous seam (3), with a filler orifice, with means for aeration and venting and with means for the conveyance and extraction of fuel which are in the form of at least one fuel conveying unit (11) arranged inside the fuel tank (1). In the fuel tank (1) according to the invention, with the exception of the filler orifice, no orifices or perforations which are substantially larger than the diameter of the line to be led through are provided in the tank wall, instead the fluid lines and/or electrical lines led out of or into the fuel tank (1) pass through the seam (3) of the fuel tank (1) so as to extend at an angle with respect to the profile of the seam (3), and/or are led partially through the filler orifice and, if appropriate, a filler neck adjoining the filler orifice.

Abstract: A pressure vessel for receiving at least one fluid medium has a first shell (1) and a second shell (3) at least partially encompassing the first shell (1). The first shell (1) has, at least at one of its ends, a collar portion (5) having a securing element (15) that forms an opening (13) for supplying and discharging the medium. A support element (19) in the form of a split ring surrounds the opening (13), is provided inside the container and has a contact surface (39) adapted to the curved shape of the first shell (1) inner side attached to the collar portion (5). The contact surface is able to be pressed onto the first shell inner side attached to the collar portion (5). The contact surface is able to be pressed onto the first shell (1) using a pressing device (43, 45).

Abstract: The present invention provides a device and a method that minimizes or eliminates under-filling of a pressure vessel by integrating phase change material (PCM) within one or multiple component of the pressure vessel. In one particular embodiment, the inner surface of the pressure vessel comprises a PCM. During a gas-filling process, PCM reduces the rate and/or the amount of temperature increase. Reduction of the temperature increase in the pressure vessel increases the amount of gas filled during a gas-filling process.

Abstract: A vessel is disclosed, the vessel including a main body having a hollow interior for receiving a fluid therein, wherein at least a portion of the hollow interior includes a filling material disposed therein to minimize a rate of flow of the fluid from the main body, wherein the filling material is at least one of a porous structured material and a granulate material.

Abstract: This invention relates to a liner for a gas storage tank containing a polymer composition comprising: i. a polyamide A, and ii. a nucleating agent in an amount of at least 0.001 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1 weight percent with respect to the total amount of the polymer composition. The invention also relates to a gas storage tank comprising a structural fiber composite comprising continuous carbon or glass fibers, as well as a method for preparing a liner by blow molding.

Abstract: The present invention relates to a pressure vessel and a pressing arrangement comprising such a pressure vessel, for use at high-pressure pressing. The pressure vessel comprises a pressure chamber arranged for accommodating a pressure medium is provided. The pressure vessel comprises one or several cylinder segment/segments arranged to form a pressure vessel cylinder surrounding the pressure chamber, whereby a joint is formed at adjacent longitudinal edges of the cylinder segment/segments. Prestressing means are provided around an outer envelope surface of the pressure vessel cylinder for radially prestressing the pressure vessel cylinder. Each joint at adjacent edges of the cylinder segment or segments has a continuous extension along the longitudinal length of the pressure vessel cylinder.

Abstract: A multilayer liner for a high-pressure gas cylinder is provided. The liner has an impact-modified polyamide (PA) layer in contact with the high-pressure gas. The impact-modified PA layer reduces travel of the high-pressure gas from the inside of the liner to the outside of the liner. Use of a gas barrier layer such as an EVOH layer in combination with the impact-modified PA layer results in improved permeation resistance not heretofore demonstrated in a Type 4 cylinder. Combination of the EVOH layer and the impact-modified PA layer results in an interior surface which is compatible with gas environment in the cylinder, ductility at high pressures, a range of temperatures, and can survive cryogenic conditions.

Abstract: A pressure vessel includes a polymeric liner defining a fluid containment cavity and having an opening defining a port aperture extending between an inner surface and an outer surface of the polymeric liner and a rigid ring element is embedded within the polymeric liner and surrounding the port aperture. A metallic port element is disposed on the outer surface of the polymeric liner and fixed to the rigid ring element. A fiber composite material is disposed about the outer surface of the polymeric liner.

Abstract: Novel cylinder passivation procedures to increase the room temperature stability of gaseous tin deuteride (SnD4) are described. Incorporation of specific organic-containing materials, which when applied onto surfaces of a vessel and/or conduit extending therefrom, can increase the shelf life stability of thermodynamically unstable gases stored within such pretreated vessels.

Abstract: Cylindrical pressure vessel with an internal body enclosed by an external body, with a cylindrical section closed by end caps and with the internal body and external body kept separate from each other to avoid a transfer of shear forces, wherein at least one end cap is connected only with the external body and contacts, with an overlap section intruding into the internal body, the inside surface of the internal body, with a seal arranged in the overlap section that contacts an interior circumferential surface of the internal body, and with at least one recess serving as a defined leakage path in case of an expansion of the external body relative to the internal body being arranged on the side of the seal facing away from the interior chamber, in the interior circumferential surface of the internal body that encloses the overlap section of the end cap.

Abstract: A storage vessel, such as vessels used in storing high pressure gas is provided. The storage vessel includes a liner having a center portion and a first and second end dome. A first composite layer is disposed circumferentially about the center portion. A second composite layer is disposed about said first composite layer and the first and second end dome. In some embodiments, the second composite layer is formed from a knitted or braided sleeve that is tightened over the liner and first composite layer by pulling the sleeve.

Abstract: The invention relates to a pressure vessel (10) for gases, in particular helium, which is characterized in that the pressure vessel has an outer casing having pressure resistance up to an internal gas pressure of at least 10 bar, in that the outer casing of the pressure vessel has at least one highly diffusion-resistant barrier layer having a leak rate for helium at an internal gas pressure of 10 bar and room temperature of preferably less than 10?2 mbar·l/s, and in that the vessel has an accommodating volume for gas at atmospheric pressure of at least 25 liters. The outer casing of the pressure vessel can comprise at least one barrier layer made of a flexible polymer film having a high barrier function or ultra barrier function or at least one highly gas-tight flexible barrier layer made of EVOH. The vessel can be bag-like or, in particular at higher pressures, inherently rigid.

Abstract: Vessel, comprising a substantially fluid tight liner provided with a layer of fibre material, and a mount for mounting appendages to the vessel. The mount comprises a substantially cylindrical neck portion with a radially outwardly extending base flange. The base flange is axially fixedly but rotationally free held between the liner and the layer of fibre material.

Abstract: A gas storage apparatus comprises a pressure vessel in the form of a cylinder, closed by a valve, containing a non-permanent gas having under its storage conditions a gas phase and a liquid phase. A jacket formed of plastics sachets surrounds and is in heat transfer relationship with the outer surface of the cylinder. The sachets define closed compartments containing a heat release substance which is liquid at 20° C. On opening the valve, the non-permanent gas is delivered from the cylinder. The liquid phase of the non-permanent gas absorbs heat from the heat release substance which undergoes fusion. The heat release substance may be water.

Abstract: Materials of a nitride single crystal of a metal belonging to III group and a flux are contained in a crucible, which is contained in a reaction container, the reaction container is contained in an outer container, the outer container is contained in a pressure container, and nitrogen-containing atmosphere is supplied into the outer container and melt is generated in the crucible to grow a nitride single crystal of a metal belonging to III group. The reaction container includes a main body containing the crucible and a lid. The main body includes a side wall having a fitting face and a groove opening at the fitting face and a bottom wall. The lid has an upper plate part including a contact face for the fitting face of the main body and a flange part extending from the upper plate part and surrounding an outer side of said side wall.

Abstract: The aim of the invention is to increase the strength and reliability of a high-pressure container. To achieve this, the high-pressure container comprises a thin-walled, closed, sealed, metal cylindrical liner (1) with at least one neck and at least one outer reinforcement jacket (2) consisting of a composite material that is formed from at least one group of layers of high modulus fiber of a reinforcement material, said fibers being aligned spirally and in an annular direction in relation to the cylindrical liner (1) and having previously determined linear arrangement densities. One layer of fibers of the spiral reinforcement (4) is positioned above a layer of fibers of the annular reinforcement (3).

Abstract: The invention relates to a high-pressure container comprising a thin-walled, cylindrical metal liner (1) having bases (8) on the end sections and an outer stable jacket (2) that surrounds the liner (1). At least one of the bases (8) of the liner (1) has a slight convex curvature towards the interior of the liner (1). A pressure converter (4) is situated between the outer surface of the convex base (8) and the inner surface of a base part of the stable jacket (2), said converter being constructed from a rigid profiled base on the side facing the base part of the rigid jacket (2) and a deformable cushion (6) of viscoelastic material on the side facing the convex base (8).

Abstract: The invention relates to a pressure vessel for the storage of liquid or gaseous media. The pressure vessel (1) comprises a plastic inner vessel (2) with at least one neck piece (4) which is not connected in one piece with the latter and which is arranged on the vessel neck in the region of the vessel orifice (8), and with a supporting jacket (3) at least partially surrounding the plastic inner vessel (2) and the neck piece (4). The neck piece (4) is provided with means for receiving a connection fitting (9). The pressure vessel according to the invention is distinguished by an insert (5) which forms at least part of the vessel neck and which forms a sealing seat for the fitting (9) to be inserted into the neck piece (4).

Abstract: A metallic liner for a composite reinforced high pressure gas cylinder is composed of a seamless metal tube contoured with a top dome and bottom dome. The liner is further composed of a seamless top metal end cap having a mating shape of the top dome and a seamless bottom metal end cap having a mating shape of the bottom dome. Alternatively, an extruded cup is shaped to a dome at the open end and one or two seamless metal end caps are used. In the method of manufacturing, the top and bottom ends of the metal tube are contoured, the end caps are produced, and one or two end caps are attached to the ends of the tube.

Abstract: A pressure container has an inner shell with a pair of fittings and a reinforcement layer formed around the inner shell, and is configured so that a reinforcement member is attachable to the pair of fittings in a process of forming the reinforcement layer and a functional component which performs a predetermined function is also attachable to the fittings. This can allow the reinforcement member to prevent expanding deformation of the pressure container in production of the pressure container, and can ensure effective use of openings after removal of the reinforcement member.

Abstract: A vessel for holding a pressurized fluid is disclosed, the vessel having a hollow inner shell formed from a moldable material and forming a cavity therein, an intermediate shell formed over the inner vessel, and an outer shell formed over said intermediate shell, said outer shell having a ceramic layer formed on an outer surface thereof.

Abstract: A gas cylinder (1) internally defining a gas storage space (2) able to be closed by a stop valve (3) comprises a rigid wall (4) made from composite material having a reinforcing layer (5) containing reinforcing fibres and an inner surface (6) and a flexible sealing wall (13) connected to the rigid wall (4) through a mouth (9) and suitable for adhering in pressing contact against the inner surface (6) of the rigid wall (4).

Abstract: In a pressure vessel (1) comprising a resin liner (2) provided with a tubular extension (22) defining a through hole therein for receiving and expelling the gas or liquid, a tubular member (100, 200, 300) fitted in the through hole of the tubular extension, a mouthpiece (4) threaded into the tubular extension, a fiber reinforced resin layer (3) placed around an outer surface of the resin liner, and a valve (60) fitted into the central bore of the tubular member, the valve include a section (62) having a smaller outer diameter than an opposing inner circumferential surface of the tubular member defining a gap between the valve and tubular member, and a resilient seal member (80) is placed in the gap. The tubular member is made of a material such as metallic material which is stiffer than the resin liner.

Abstract: An object of the present invention is to provide a fuel cell system configured to be able to suppress loads imposed on a liner caused by gas filling, as well as a method for supplying fuel gas in the fuel cell system, and a mobile body. The fuel cell system includes a fuel cell, a tank which includes a liner and a reinforcement layer formed on an outer peripheral surface of the liner and in which fuel gas is stored, an adjustment device configured to adjust a supply amount of fuel gas to be fed from the tank to the fuel cell, an information acquisition section configured to acquire information on a pressure and a temperature in the tank, a calculation section configured to calculate a gap amount between the liner and the reinforcement layer based on information acquired by the information acquisition section during operation of the fuel cell system, and a decision section configured to decide whether or not to limit the supply amount based on the calculated gap amount.

Abstract: A pressure vessel for storing a fluid, the pressure vessel including an annular inner boss having an inner surface and an outer surface, the inner surface forming a passage adapted to receive a utility device therein, wherein the inner boss includes a liner channel formed intermediate the inner surface and the outer surface, a vessel liner having a portion thereof disposed in the liner channel of the inner boss, and an outer boss secured to the outer surface of the inner boss.

Abstract: A composite compressed gas tank has an outer shell and a liner. The liner is made of a light metal, in particular, aluminum or an aluminum alloy. The gas tank has an in-feed and discharge port, in which is inserted a closing element having at least one channel. The closing element is connected directly or indirectly to the liner by a welded joint, and a steel material connecting line is connected to the channel or channels. A transition element has a first end segment made of a light metal, in particular aluminum or an aluminum alloy, and is welded either to the liner or to the closing element if made of a light metal. The other end segment of the transition element is made of a steel material and is welded either to the closing element, or to the connecting line if made of a steel material.

Abstract: The present invention relates to a tank device for storing hydrogen for an aircraft. The tank device comprises an outer tank and an inner tank. The inner tank is held in the outer tank. The outer tank is arranged such that the hydrogen with first physical characteristics can be stored. The inner tank is designed such that the hydrogen with second physical characteristics can be stored. The outer tank is connected to the inner tank such that the hydrogen can be fed to the inner tank from the outer tank. The inner tank is designed such that the hydrogen with the first physical characteristics can be converted to the hydrogen with second physical characteristics. The inner tank is arranged such that the hydrogen comprising the second physical characteristics can be fed to a consumer.

Abstract: The invention relates to a composite pressurized gas tank including a sealed inner casing (12), comprising an opening (18) on one of the ends of the casing, and a base (13) attached to the opening (18) of the inner casing (12), the base (13) being provided so as to receive or have built therein a valve or faucet, the tank also including an outer mechanical reinforcement casing (11) that is placed on at least a portion of the inner casing (12). Said tank is characterized in that at least a portion of the gap (14), located between the inner casing (12) and the outer mechanical reinforcement casing (11), is connected to at least one area (15) for collecting the gas capable of accumulating in said gap (14). The at least one collecting area (15, 137) leads into a predetermined discharge area (16, 26, 23) that is located outside the gap (14).

Abstract: A compressed fluid storage arrangement (10) for a compressed fluid vehicle which includes a core of flexuous tubing (102) for storing compressed fluid to be supplied to a motor (70) of the vehicle, the core (102) being shaped and dimensioned to occupy a cavity of a vehicle component. The compressed fluid is delivered via a pressure control system (90) to the engine (70), which in turn generates an engine output.

Abstract: A pressure vessel is provided including a liner forming a cavity and having an inner surface and an outer surface, and a composite wrap including a plurality of composite layers disposed adjacent to the outer surface. The composite wrap has a desired strain modulus gradient across a thickness of the composite wrap. Also provided is a method for producing the pressure vessel.

Abstract: A storage tank is provided for storing liquefied natural gas on, for example, a motor vehicle such as a bus or truck. The storage tank includes a metal liner vessel encapsulated by a resin-fiber composite layer. A foam insulating layer, including an outer protective layer of epoxy or of a truck liner material, covers the composite layer. A non-conducting protective coating may be painted on the vessel between the composite layer and the vessel so as to inhibit galvanic corrosion.

Abstract: Cylindrical pressure vessel with an internal body enclosed by an external body, with a cylindrical section closed by end caps and with the internal body and external body kept separate from each other to avoid a transfer of shear forces, wherein at least one end cap is connected only with the external body and contacts, with an overlap section intruding into the internal body, the inside surface of the internal body, with a seal arranged in the overlap section that contacts an interior circumferential surface of the internal body, and with at least one recess serving as a defined leakage path in case of an expansion of the external body relative to the internal body being arranged on the side of the seal facing away from the interior chamber, in the interior circumferential surface of the internal body that encloses the overlap section of the end cap.

Abstract: A container for receiving cryogenic media and/or units which are to be stored at low temperatures, having an outer shell (1) and an insulating shell (10) which is connected directly or indirectly to said outer shell (1) in a positionally stable manner and is optionally surrounded by one or more further insulating shells (10), wherein an inner shell (2) for storing cryogenic media is connected to the outer shell (1) via fastening elements (3) in a positionally stable manner. Each insulating shell (10) is of at least two-part configuration and is fastened to the outer shell (1) and/or to the inner shell (2) by positioning elements (11, 26, 27) which are independent of the fastening elements (3), wherein the insulating shell (10) is spaced apart without contact from the outer or inner shell (1,2) or from a further insulating shell (10) with the formation of a gap (15).

Abstract: Provided is a gas tank wherein the pressure of gas filled in the tank hardly increases. A hydrogen tank (1) includes: a container main-body (10) into which hydrogen is filled; a first thermal-foam heat insulation layer (21) provided on the outer surface (11) of the container main-body (10); a belt fitting region (16) virtually provided at a portion of the outer surface (11) of the container main-body (10); a belt (31), wherein the back surface (35) being a part of the surfaces of the belt (31) is in contact with the belt fitting region (16), and wherein the belt (31) is fixed to a vehicle body (141) so that the container main-body (10) is fixed to the vehicle body (141); and a second thermal-foam heat insulation layer (41) provided on a surface of the belt (31) other than the back surface (35).

Abstract: Embodiments of the invention relate to a reservoir assembly for use in a device, such as a fuel cell system, hydride storage system, hydrogen compressor system, heat pump system or air conditioner system. The assembly includes a first cellular component interconnected with at least a second cellular component in which the interconnected cellular components are arranged together to substantially fill an available device space, one or more end caps coupled to a portion of the first or the second cellular components, one or more external ports for adding or removing a fluid from the reservoir in which the external ports are positioned in one or more of the end caps or cellular components, and one or more internal ports in which each internal port fluidly connects the first interconnected cellular component to at least the second interconnected cellular component.

Abstract: A tank and associated fabrication method are provided which may limit the damage otherwise occasioned by the impact of a ballistic projectile. The tank may include a wall assembly defined between outer and inner walls and a plurality of restraining elements that extend between the walls. The restraining elements may be formed to have a plurality of layers of material that form not only the restraining element, but also portions of the inner and/or outer walls. For example, the tank may include a plurality of cells positioned adjacent to one another with each cell forming portions of two adjacent restraining elements and portions of the inner and/or outer walls. A corresponding method for fabricating a tank including a wall assembly having a plurality of restraining elements is also provided.

Abstract: A boss for use with a vessel is disclosed. The boss includes a first component adapted to be formed in an opening of the vessel, wherein the first component includes a first coupling element, and a second component including a second coupling element, wherein the second coupling element engages the first coupling element to secure the second component to the first component, and wherein a liner of the vessel is disposed therebetween.

Abstract: A gas tank is provided which can ensure high gas barrier properties even with respect to a gas having a small molecular size, for example, a hydrogen gas. In a high-pressure gas tank comprising a resin liner inside an FRP layer, an oxide layer is formed on the inner surface of the resin liner. When a reinforcing fiber is wound around the outer surface of the resin liner by a filament winding process, air is beforehand enclosed inside the resin liner. Next, when the reinforcing fiber is thermally cured to form the FRP layer, the inner surface of the resin liner is thermally oxidized to form the oxide layer.

Abstract: There is provided a membrane material for a gas holder having abrasion resistance and flex resistance usable as a gas holder, in addition to strength of a base fabric, and having high gas barrier properties. A membrane material for a gas holder, which is used in a gas holder for storing or recovering gas, includes at least 4 layers of a protective layer, a base fabric layer, a gas barrier layer and a protective layer laminated in this order.

Abstract: [Object] A safe hydrogen storage tank in a highly reliable form where it is difficult for fatigue failure to occur is provided as a hydrogen storage tank where a cartridge is filled with a hydrogen occluding substance and contained within an integrally molded liner made of a metal.

Abstract: The disclosure describes a pressure vessel having a first end with a first boss and a cylindrical portion. The vessel includes a liner, a composite shell disposed over the liner, and a first longitudinal vent disposed between the liner and the composite shell. The first longitudinal vent includes an elongated vent defining element and extends at least from the cylindrical portion of the vessel to the first boss.

Abstract: In a multilayer pressure container constructed by covering a thin wall container made of synthetic resin or the like with a resin-impregnated fiber-reinforced layer and subsequently curing the impregnating resin, the present invention provides a sealing structure for a high-pressure container which allows sealing measures to be phased in during assembly before curing.

Abstract: A container that provides for control of fluid flow in the event of a failure of the container is disclosed. In accordance with embodiments of the present invention, a container is presented that includes a container wall; and one or more flow impeding structures coupled to the container wall, wherein at least one of the one or more flow impeding structures is a multi-sheet layer that deforms to impede flow in a failure of the container wall. In some embodiments, the multi-sheet layer includes cavities formed between individual sheets.