Class / Patent application number | Description | Number of patent applications / Date published |
220588000 | Wound layer | 39 |
20100012664 | FRP PRESSURE VESSEL AND BOTTOM PLATE TYPE DISTRIBUTOR, FABRICATION APPARATUS AND FABRICATION METHOD OF THE SAME - A bottom plate type distributor which may be provided integrally at a internal bottom of FRP pressure vessels. The distributor is composed of a distribution plate and a bowl-shaped inlet dome. The distribution plate comprises an outlet connected to a water outlet pipe, a reinforcing structure around the outlet, a water distribution slot structure supported by the reinforcing structure, a ring structure around the water distribution slot structure, and first connecting structures on the ring structure for connecting the inlet dome. The inlet dome comprises a bowl-shaped body, a receiving structure provided on the concave surface of the bowl-shaped body for connecting said reinforcing structure, second connecting structures around the bowl-shaped body respectively connecting the first connecting structure, an inlet in the center of the bowl-shaped body which is on the same center line as the outlet; and a process hole. This invention also provides an FRP pressure vessel containing such bottom plate type distributor, its fabrication equipment and fabrication method. | 01-21-2010 |
20110056960 | Pressurized Fluid Tank and Method and Apparatus for Producing One Such Tank | 03-10-2011 |
20160084439 | CONCENTRIC SHELLS FOR COMPRESSED GAS STORAGE - Gas containment vessels are provided that are comprised of an inner corrosion resistant shell made of lower strength steel alloy or aluminum alloy or thermoplastic polymer, and an outer concentric shell constructed of high strength, albeit lower corrosion resistant, metal or fiber-reinforced composite. The fiber can comprise filaments derived from basaltic rocks, the filaments having been immersed in a thermosetting or thermoplastic polymer matrix, and comingled with carbon, glass or aramid fibers such that there is load sharing between the basaltic fibers and carbon, glass or aramid fibers. | 03-24-2016 |
220589000 | Filament layer | 36 |
20090152278 | INNER SHELL FOR A PRESSURE VESSEL - Disclosed is a vessel including an outer shell and an inner shell, the inner shell having spaced apart indentations formed therein to facilitate a thermal expansion and contraction of the inner shell to militate against failure thereof. | 06-18-2009 |
20090200319 | Metallic liner for a fiber wrapped composite pressure vessel for compressed gas storage and transportation - 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. | 08-13-2009 |
20100237081 | INNER SHELL FOR A PRESSURE VESSEL - Disclosed is a vessel including an outer shell and an inner shell, the inner shell having spaced apart concave recesses formed therein to facilitate a thermal expansion and contraction of the inner shell to militate against failure thereof. | 09-23-2010 |
20110042386 | PRESSURE VESSEL FOR PROPELLANTS, EXPLOSION PREVENTING METHOD OF THE SAME, AND MANUFACTURING METHOD OF THE SAME - A pressure vessel for propellants, an explosion preventing method of the same, and a manufacturing method of the same are disclosed. The pressure vessel for propellants comprises a body provided with a cylindrical portion between a forward dome and an aft dome, and has an inner space where propellants are arranged. The pressure vessel also includes an insulation layer disposed on an inner wall of the body and configured to insulate the body from the inner space when the propellants are ignited; and a nozzle mounted at the aft dome and through which combustion material from the propellants is exhausted out. The body comprises a first hybrid fiber layer which forms the cylindrical portion, the forward dome, and the aft dome, and has a mechanical property lowered at a temperature more than a specific temperature such that the forward dome and the aft dome collapse by an inner pressure when the propellants are abnormally combusted. The body further comprises a second hybrid fiber layer which forms at least a part of the cylindrical portion, and maintains its mechanical property when the propellants are abnormally combusted. | 02-24-2011 |
20110240655 | TEMPERATURE REGULATING DEVICE FOR A PRESSURE VESSEL - A pressure vessel is disclosed, the pressure vessel having an outer shell, an inner shell, and a temperature regulating device, the temperature regulating device adapted to regulate the temperature of a fluid stored in the inner shell during operation of the pressure vessel and to minimize curing time during manufacture of the pressure vessel. | 10-06-2011 |
20120037641 | Pressure Vessel Shear Resistant Boss and Shell Interface Element - A pressure vessel has a composite shell; a boss defining a port in the composite shell and having a neck; and an interface element disposed between the composite shell and the boss. The interface element is neither bonded to the composite shell nor to the boss, thereby allowing for movement between the interface element and the composite shell and allowing for movement between the interface element and the boss. The interface element further includes a neck disposed adjacent the neck of the boss. | 02-16-2012 |
20130206778 | METAL COMPOSITE PRESSURE CYLINDER - The technical result of the invention is that the proposed cylinder construction provides high performance at any given level of cyclic high-pressure and torsional loading with minimum weight and manufacturing cost. The technical result is achieved by the following: metal composite cylinder contains a cylindrical metal liner with profiled bottoms and neck flange with a choke fixed in a pole hole of the pressure overwrap, made of composite material formed by a group of layers of reinforcing filaments orientated in spiral and circumferential directions, with different reinforcing capacity; at that, neck flange of the liner is equipped with a collar on the side of the open end of the choke, with an outer diameter greater than the sum of the pole hole diameter of the composite overwrap and two widths of wound filaments of reinforcing material, so that concentric annular cavity is formed between the outer surface of the composite overwrap and the flange, where a annular band is located filling the entire volume of the cavity; the band is made of the material of the composite overwrap, and the choke of neck flange is fixed in the annular band with grooves of non-circular shape. | 08-15-2013 |
20130277376 | PRESSURE VESSEL - A pressure vessel ( | 10-24-2013 |
20140239001 | BOSS FOR COMPOSITE CONTAINER | 08-28-2014 |
20140299610 | BOSS FOR COMPOSITE PRESSURE CONTAINER | 10-09-2014 |
20150108145 | DRY FIBER WRAPPED PRESSURE VESSEL - This invention is directed to pressure vessels in which the strength necessary to withstand the pressure exerted by a contained fluid under intended operating pressures is provided by a dry filamentous over-wrap. | 04-23-2015 |
20150316209 | Pressure Vessel With High Tension Winding to Reduce Fatigue - This invention relates to a pressure vessel that is wrapped with a high-tension winding that prevents or ameliorates the effects of fatigue due to cyclic pressurizing and de-pressurizing of the vessel. | 11-05-2015 |
220590000 | With bonding material | 24 |
20090101658 | Pressure-Resistant Body That is Supplied With Fluid - The invention relates to a pressure-resistant body ( | 04-23-2009 |
20090236349 | Pressure vessel - Pressure vessel for a pressurized medium which is capable of flow, providing a first reinforcement composed of fibers which are applied as a winding and which are embedded in synthetic resin, wherein in addition to the first reinforcement, a second reinforcement is provided, wherein said second reinforcement has an elongation at fracture which is lower than that of the first reinforcement, wherein the first reinforcement, considered alone, is sufficient to entirely absorb the forces resulting from the pressure of the medium in the pressure vessel, and wherein means are provided which are suitable for indicating a fracture of the second reinforcement. | 09-24-2009 |
20090314785 | DAMAGE AND LEAKAGE BARRIER IN ALL-COMPOSITE PRESSURE VESSELS AND STORAGE TANKS - A linerless tank structure has a body that defines an enclosed interior volume. The body has a cylindrical section having an axis of symmetry and a dome section coupled with the cylindrical section. The construction of the pressure vessel includes multiple fiber plies. At least one of the fiber plies is a helical ply having fibers traversing the dome helically about the axis of symmetry. At least a second of the fiber plies is a braided or woven ply. | 12-24-2009 |
20100025412 | PART MANUFACTURING METHOD, PART, AND TANK - A method for manufacturing a part having a resin-impregnated fiber layer ( | 02-04-2010 |
20110147390 | HYBRID PRESSURE VESSELS FOR HIGH PRESSURE APPLICATIONS - A pressure vessel is provided including an inner tank formed from a tank liner surrounded by a wound layer of composite filaments. A protective jacket is disposed on the inner tank that facilitates stacking and portability of the pressure vessel and helps to define an air passage for convective heat transfer between the hybrid tank and the environment. | 06-23-2011 |
20110168726 | HYBRID PRESSURE VESSELS FOR HIGH PRESSURE APPLICATIONS - A pressure vessel is provided including an inner tank formed from a tank liner surrounded by a wound layer of composite filaments. A protective jacket is disposed on the inner tank that facilitates stacking and portability of the pressure vessel and helps to define an air passage for convective heat transfer between the hybrid tank and the environment. | 07-14-2011 |
20110204063 | PRESSURE VESSEL INCLUDING CERAMIFYING POLYMER FOR IMPROVED HEAT RESISTANCE - 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. | 08-25-2011 |
20120000916 | COMPOSITE PRESSURE VESSEL AND METHOD OF ASSEMBLING THE SAME - 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. | 01-05-2012 |
20120024866 | PRESSURE VESSEL AND METHOD OF MANUFACTURING THE SAME - Provided is a toroidal pressure vessel having extremely high pressure resistance. Laminating latitudinal reinforcing fiber layers ( | 02-02-2012 |
20120138616 | GAS STORAGE TANK COMPRISING A LIQUID SEALANT - One exemplary embodiment includes a gas storage tank comprising a structural outer layer, an internal liner layer, an annular boss, and a liquid sealant disposed between the overlapped section of the liner layer and the boss to provide a gas-tight seal. | 06-07-2012 |
20120234840 | METHOD FOR PRODUCING A PRESSURE TANK, A PRESSURE TANK AND A PRESSURE TANK GROUP - The present invention provides a method for producing a pressure tank for holding a pressurized fluid, comprising the steps of providing a shaped body; arranging one or more elements of a textile sheet material of reinforcing fibers on the shaped body; impregnating the reinforcing fibers, before or after the arrangement of the element or elements on the shaped body, with a thermosetting or thermoplastic resin; and curing the resin to form a composite fiber material surrounding the shaped body. The invention also provides a pressure tank for holding a pressurized fluid, comprising a hollow body which defines a storage space for the fluid, and a composite fiber material surrounding the hollow body which comprises one or more elements of a textile sheet material. The invention further provides a pressure tank group comprising a plurality of such pressure tanks. | 09-20-2012 |
20130087567 | HIGH-PRESSURE TANK AND MANUFACTURING METHOD OF HIGH-PRESSURE TANK - A high-pressure tank configured to store a fluid includes: a liner; and a fiber-reinforced resin layer configured to include a fiber and to cover surface of the liner. The liner includes: a cylindrical liner portion in a cylindrical shape; and dome liner portions in a dome shape connected with respective sides of the cylindrical liner portion, each dome liner portion being connected with the cylindrical liner portion, such that an outer surface of the dome liner portion is inclined at a predetermined angle to an outer surface of the cylindrical liner portion. The fiber-reinforced, resin layer includes a hoop layer formed on the outer surface of the cylindrical liner portion to cover the outer surface of the cylindrical liner portion and provided by hoop winding that winds the fiber substantially perpendicularly to a central axis of the cylindrical liner portion. The hoop layer is formed, such that an outer surface of the hoop layer has a smaller angle than the predetermined angle to the outer surface of the dome liner portion at a boundary between the hoop layer and the dome liner portion. | 04-11-2013 |
20130153583 | PRESSURE VESSEL FOR STORING A FLUID - The disclosure provides a pressure vessel for storing a fluid, comprising an outer jacket applied to a plastic core container, the outer jacket comprising a first fibre-reinforced reinforcing device with one or several wound layers comprising first fibres that are embedded in a first matrix material, a second fibre-reinforced reinforcing device formed on the outside of the first device and with one or several wound layers comprising second fibres that are embedded in a second matrix material, and an impact-absorbing thickening of the outer jacket in a polar cap region of the plastic core container. The thickening is formed in that one or several wound layers that are thickened in the polar region are formed in at least one of the reinforcing devices with a face opening that is larger than a face opening of other non-thickened wound layers in at least one of the reinforcing devices. | 06-20-2013 |
20130299505 | MANUFACTURING METHOD FOR HIGH-PRESSURE TANK, AND HIGH-PRESSURE TANK - A step of forming a low-angle helical layer on an outer surface of at least part of each liner dome portion and an outer surface of a liner cylindrical portion, a step of forming an inner hoop layer on an outer surface of the low-angle helical layer on the liner cylindrical portion, and a step of forming a mixed layer by alternately laminating a low-angle helical layer and an outer hoop layer on an outer surface of the inner hoop layer and low-angle helical layer on each liner dome portion. Then, on the liner cylindrical portion, 90% or more of the sum of the thickness of the inner hoop layer and the thickness of the outer hoop layer in the mixed layer is arranged within the range of 75% of the fiber reinforced plastics layer adjacent to the liner in a thickness direction of the fiber reinforced plastics layer. | 11-14-2013 |
20130306652 | METHOD TO IMPROVE THE BARRIER PROPERTIES OF COMPOSITE GAS CYLINDERS AND HIGH PRESSURE GAS CYLINDER HAVING ENCHANCED BARRIER PROPERTIES - Method to improve the barrier properties of composite gas cylinders and high pressure gas cylinder having enhanced barrier properties | 11-21-2013 |
20130313266 | METHOD TO IMPROVE THE BARRIER PROPERTIES OF COMPOSITE GAS CYLINDERS AND HIGH PRESSURE GAS CYLINDER HAVING ENHANCED BARRIER PROPERTIES - Method to improve the barrier properties of composite gas cylinders and high pressure gas cylinder having enhanced barrier properties. | 11-28-2013 |
20140014667 | PRESSURE VESSEL AND METHOD FOR THE PRODUCTION OF SUCH A VESSEL - A pressure vessel having a hollow body wound with a continuous filament, whereby the filament is embedded in a thermoplastic matrix, is provided, as well as a method for producing such a vessel. The method involves: (i) wrapping a hollow body with at least one continuous filament; (ii) impregnating the filament winding with a polymerizable mixture, whereby the wound body is inside a mold that surrounds the wound body; and (iii) polymerizing the polymerizable mixture in order to form a plastic matrix that embeds the filament winding. | 01-16-2014 |
20140014668 | HYBRID PRESSURE VESSELS FOR HIGH PRESSURE APPLICATIONS - A pressure vessel is provided including an inner tank formed from a tank liner surrounded by a wound layer of composite filaments. A protective jacket is disposed on the inner tank that facilitates stacking and portability of the pressure vessel and helps to define an air passage for convective heat transfer between the hybrid tank and the environment. | 01-16-2014 |
20140131365 | HIGH PRESSURE GAS TANK AND MANUFACTURING METHOD OF HIGH PRESSURE GAS TANK - This high pressure gas tank is a tank in which a fiber-reinforced resin layer is formed around an outer periphery of a tank liner by fibers impregnated with thermosetting resin being wound around the outer periphery of the tank liner. The fiber-reinforced resin layer includes an inside layer formed on the tank liner side, and an outside layer formed on an outer periphery of the inside layer. The inside layer is formed as a dense layer, while the outside layer is formed as a layer that is less dense than the inside layer by forming a larger number of airspaces in the outside layer than there are in the inside layer. | 05-15-2014 |
20140326738 | COMPRESSED GAS TANK AND METHOD FOR PRODUCING SAME - A compressed gas tank ( | 11-06-2014 |
20140339239 | INTERNAL PRESSURE VESSEL - Provided is a pressure vessel able to sustain a circular shape without deforming to ellipsoidal shape due to machining of side port apertures therein, and maintain pressures as high as 800-1,200 PSI. The pressure vessel is intended for use in seawater desalination by reverse osmosis, and comprises a pipe body ( | 11-20-2014 |
20150338022 | HIGH-PRESSURE GAS TANK AND LINER WITH MOUTHOPIECE - The high-pressure gas tank includes a seal member extended in a layer-like form to cover the opening recess from a surface of the liner on an outer side of the inner circumferential wall of the mouthpiece placing portion to a surface of the mouthpiece flange on a center side of the flange outer peripheral edge. In a vertical section of the high-pressure gas tank, the flange outer peripheral edge and the inner circumferential wall of the mouthpiece placing portion are formed to satisfy Dt>(Sm/Xgs)·100, where Dt denotes a width of an opening of the opening recess, said Dt being defined to be a distance between a flange outer peripheral edge-side end and an inner circumferential wall-side end of an opening of the opening recess. Sm denotes a maximum tolerance of a relative positional misalignment between the inner circumferential wall of the mouthpiece placing portion and an outer circumferential end of the flange outer peripheral edge, and Xgs [%] denotes a breaking elongation of the seal member. | 11-26-2015 |
20160084438 | COMPRESSED GAS INFLATOR WITH COMPOSITE OVERWRAP - An inflator device includes a steel member to at least in part form a pressure vessel and an external composite wrap overlying at least a portion of the metal member. The metal member can be tubular and have an elongated length such as to form a steel inner liner that is incapable of withstanding the pressure generated within the pressure vessel upon actuation of the inflator device without support provided by the composite overwrap. | 03-24-2016 |
20160091140 | HYDROGEN STORAGE TANK (AS AMENDED) - A hydrogen storage tank includes a liner layer to store hydrogen and a carbon fiber reinforced plastic layer disposed outside the liner layer. The liner layer is formed from a low-alloy steel, and the carbon fiber forming the carbon fiber reinforced plastic layer is a pitch based carbon fiber. | 03-31-2016 |