The present invention achieves a high mechanical load capacity of a rod end by means of a component loop that passes around a bearing, where the component may be made of continuous-fiber reinforced composite material with thermoplastic matrix and where the continuous-fiber reinforced composite material with thermoplastic matrix may extend into a threaded stem of the rod end, and the component made of continuous-fiber reinforced composite material with thermoplastic matrix may be enclosed by short-fiber reinforced, long-fiber reinforced, or unreinforced thermoplastic. The threaded stem can be implemented with an external or an internal thread.
F16C 11/06 - Ball-jointsOther joints having more than one degree of angular freedom, i.e. universal joints
F16B 7/18 - Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
F16C 7/02 - Constructions of connecting-rods with constant length
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
2.
ROD END MADE OF THERMOPLASTIC FIBER-REINFORCED PLASTIC
The present invention achieves a high mechanical load capacity of a rod end (1) by means of a component loop that passes around a bearing, where the component may be made of continuous-fiber reinforced composite material with thermoplastic matrix (3) and where the continuous-fiber reinforced composite material with thermoplastic matrix may extend into a threaded stem (2) of the rod end, and the component made of continuous-fiber reinforced composite material with thermoplastic matrix may be enclosed by short-fiber reinforced, long-fiber reinforced, or unreinforced thermoplastic (5). The threaded stem can be implemented with an external or an internal thread.
F16C 7/02 - Constructions of connecting-rods with constant length
3.
CARBON-CARBON COMPOSITES AND RELATED METHODS OF FABRICATING THREE-DIMENSIONAL CARBON-CARBON COMPOSITES USING CLOSED TOOL MULTIPLE INFUSION RESIN TRANSFER MOLDING PROCESSES
The invention relates to three-dimensional carbon-carbon composites for use in high temperature applications, such as aerospace structures. The invention further relates to methods and related compositions for making a three-dimensional carbon-carbon composite. In certain embodiments, the invention provides a method to densify geometrically complex three-dimensional woven carbon fiber preforms into high density carbon-carbon composites at faster rates and lower cost than traditional processing approaches using, e.g., multiple resin transfer moldings (RTM) of a three-dimensional woven preform, or of a partially dense carbon-carbon intermediate, in a closed tool volume using high pressure piston injectors, followed by carbonization and graphitization of the resulting composite.
Carbon-Carbon Composites and Related Methods of Fabricating Three-Dimensional Carbon-Carbon Composites Using Closed Tool Multiple Infusion Resin Transfer Molding Processes
The invention relates to three-dimensional carbon-carbon composites for use in high temperature applications, such as aerospace structures. The invention further relates to methods and related compositions for making a three-dimensional carbon-carbon composite. In certain embodiments, the invention provides a method to densify geometrically complex three-dimensional woven carbon fiber preforms into high density carbon-carbon composites at faster rates and lower cost than traditional processing approaches using, e.g., multiple resin transfer moldings (RTM) of a three-dimensional woven preform, or of a partially dense carbon-carbon intermediate, in a closed tool volume using high pressure piston injectors, followed by carbonization and graphitization of the resulting composite.
Disclosed are reinforced structures. The structures are comprised of reinforced elements that have continuous fibers embedded in a matrix material. The reinforced elements are combined in a matrix material to form a desired shape of reinforced structure.
B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core
6.
Rod end made of thermoplastic fiber-reinforced plastic
The present invention achieves a high mechanical load capacity of a rod end by means of a component loop that passes around a bearing, where the component may be made of continuous-fiber reinforced composite material with thermoplastic matrix and where the continuous-fiber reinforced composite material with thermoplastic matrix may extend into a threaded stem of the rod end, and the component made of continuous-fiber reinforced composite material with thermoplastic matrix may be enclosed by short-fiber reinforced, long-fiber reinforced, or unreinforced thermoplastic. The threaded stem can be implemented with an external or an internal thread.
F16C 11/06 - Ball-jointsOther joints having more than one degree of angular freedom, i.e. universal joints
F16B 7/18 - Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
F16C 7/02 - Constructions of connecting-rods with constant length
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
Three-dimensional woven preforms are curved and have continuous fibers in the direction of curvature and wherein the base of the preforms is curved with the warp fibers continuous across the length of the preform and some of the warp fibers are longer than other warp fibers.
Disclosed is a method of pretensioning a fiber-reinforced plastic (FRP) sleeve (110) surrounding an assembly, comprising disposing the assembly within the FRP sleeve (110), the assembly having at least two parts; introducing a molding compound into at least one portion within the FRP sleeve to urge one of the at least two parts of the assembly toward an inner surface of the FRP sleeve, the molding compound introduced at a desired first pressure (P), first temperature (T), and first mass flow (rh); and pretensioning the FRP sleeve by hardening the molding compound while maintaining the first pressure. The method includes application of pretensioning FRP sleeves surrounding a permanent magnet rotor with surface magnets (112, 122).
B29C 70/84 - Moulding material on preformed parts to be joined
H02K 1/2726 - Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
H02K 1/2789 - Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
B29C 70/56 - Tensioning reinforcements before or during shaping
9.
Process for applying fiber-reinforced plastic sleeves
Disclosed is a method and a system for pretensioning fiber-reinforced plastic (FRP) sleeves surrounding an assembly of parts. The method includes application of pretensioning FRP sleeves surrounding a permanent magnet rotor with surface magnets.
H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
10.
PROCESS FOR APPLYING FIBER-REINFORCED PLASTIC SLEEVES
Disclosed is a method of pretensioning a fiber-reinforced plastic (FRP) sleeve (110) surrounding an assembly, comprising disposing the assembly within the FRP sleeve (110), the assembly having at least two parts; introducing a molding compound into at least one portion within the FRP sleeve to urge one of the at least two parts of the assembly toward an inner surface of the FRP sleeve, the molding compound introduced at a desired first pressure (P), first temperature (T), and first mass flow (rh); and pretensioning the FRP sleeve by hardening the molding compound while maintaining the first pressure. The method includes application of pretensioning FRP sleeves surrounding a permanent magnet rotor with surface magnets (112, 122).
B29C 70/84 - Moulding material on preformed parts to be joined
B29C 70/56 - Tensioning reinforcements before or during shaping
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
H02K 1/2726 - Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
H02K 1/2789 - Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
11.
TRACER STRAND FOR WEAVING A COMPOSITE MATERIAL PART REINFORCEMENT
A tracer strand for the weaving of a composite material part reinforcement, the tracer strand including one or more carbon yarns twisted with one or more yarns of a material having a color contrasting with the color of the carbon yarns, the yarns being twisted together according to a twist included between 10 turns per meter and 80 turns per meter.
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
B29D 99/00 - Subject matter not provided for in other groups of this subclass
Disclosed are reinforced structures. The structures are comprised of reinforced elements that have continuous fibers embedded in a matrix material. The reinforced elements are combined in a matrix material to form a desired shape of reinforced structure.
B29C 70/16 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core
B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
13.
REINFORCED STRUCTURE HAVING CONTINUOUS FIBER REINFORCED ELEMENTS AND METHOD OF MAKING THEREOF
Disclosed are reinforced structures. The structures are comprised of reinforced elements that have continuous fibers embedded in a matrix material. The reinforced elements are combined in a matrix material to form a desired shape of reinforced structure.
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29C 48/09 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
B29C 48/19 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
B29C 65/00 - Joining of preformed partsApparatus therefor
B29C 70/00 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
B29C 70/10 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements
B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
B29C 70/68 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers
B29C 70/84 - Moulding material on preformed parts to be joined
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B32B 3/06 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers togetherLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for attaching the product to another member, e.g. to a support
14.
REINFORCED STRUCTURE HAVING CONTINUOUS FIBER REINFORCED ELEMENTS AND METHOD OF MAKING THEREOF
Disclosed are reinforced structures. The structures are comprised of reinforced elements that have continuous fibers embedded in a matrix material. The reinforced elements are combined in a matrix material to form a desired shape of reinforced structure.
B29C 70/10 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements
B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
B32B 3/06 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers togetherLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for attaching the product to another member, e.g. to a support
B29C 65/00 - Joining of preformed partsApparatus therefor
B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
B29C 70/84 - Moulding material on preformed parts to be joined
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29C 70/00 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
B29C 70/68 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers
B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or
A rod end having a locking mechanism where the locking mechanism has an insert, a fork end, a female torque locking element, and a male torque locking element. Upon activation of the locking mechanism, the female torque locking element engages with the male torque locking element in a form-fitting connection. The locking mechanism can easily be activated and is capable of withstanding a torque.
The present invention concerns a rod end that has a locking mechanism where the locking mechanism has an insert, a fork end, a female torque locking element, and a male torque locking element. Upon activation of the locking mechanism, the female torque locking element engages with the male torque locking element in a form-fitting connection. The locking mechanism of the present invention can easily be activated and is capable of withstanding a torque.
A rod end having a locking mechanism where the locking mechanism has an insert, a fork end, a female torque locking element, and a male torque locking element. Upon activation of the locking mechanism, the female torque locking element engages with the male torque locking element in a form-fitting connection. The locking mechanism can easily be activated and is capable of withstanding a torque.
Embodiments for clamps and shaping clamp systems are disclosed herein and drawn to such applications as, including but not limited to, an apparatus and method for forming three-dimensional woven preforms that can be curved and have continuous fibers in the direction of curvature. Embodiments of the clamps may include an upper clamp, and a lower clamp of complementary shape and mateable with the upper clamp, with the clamp being configured to receive a fabric therebetween.
The present invention concerns a method for producing a positive¬ locking load application for tension-compression rods from a fiber plastic hollow structure (2) by means of an outer sleeve (5). In this process, a force pushes the fiber plastic hollow structure (2) at least partially over at least one force application element (3), which is provided with at least one undercut (6) to create a positive-locking connection. The method further comprises local heating of the fiber plastic hollow structure to the point of plasticity of the fiber plastic hollow structure, at least in the region of the undercut(s) of the force application element, and application of at least one outer sleeve (5) to the fiber plastic hollow structure in the region of the force application element.
Disclosed are methods and related compositions for producing a positive-locking load application for rod-shaped fiber composite structures, and the design thereof.
The present invention concerns a method for producing a positive-locking load application for tension-compression rods from a fiber plastic hollow structure by means of an outer sleeve. In this process, a force pushes the fiber plastic hollow structure at least partially over at least one force application element, which is provided with at least one undercut to create a positive-locking connection. An object of the present invention is attained through local heating of the fiber plastic hollow structure to the point of plasticity of the fiber plastic hollow structure, at least in the region of the undercut(s) of the force application element, and application of at least one outer sleeve to the fiber plastic hollow structure in the region of the force application element.
F16C 7/02 - Constructions of connecting-rods with constant length
B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
B29C 70/68 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers
B29D 99/00 - Subject matter not provided for in other groups of this subclass
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
F16D 1/072 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
B29C 70/74 - Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
The present invention concerns a method for producing a positive¬ locking load application for tension-compression rods from a fiber plastic hollow structure (2) by means of an outer sleeve (5). In this process, a force pushes the fiber plastic hollow structure (2) at least partially over at least one force application element (3), which is provided with at least one undercut (6) to create a positive-locking connection. The method further comprises local heating of the fiber plastic hollow structure to the point of plasticity of the fiber plastic hollow structure, at least in the region of the undercut(s) of the force application element, and application of at least one outer sleeve (5) to the fiber plastic hollow structure in the region of the force application element.
The present invention achieves a high mechanical load capacity of a rod end (1) by means of a component loop that passes around a bearing (4), where the component may be made of continuous- fiber reinforced composite material with thermoplastic matrix (3) and where the continuous-fiber reinforced composite material with thermoplastic matrix may extend into a threaded stem (2) of the rod end, and the component made of continuous-fiber reinforced composite material with thermoplastic matrix may be enclosed by short-fiber reinforced, long-fiber reinforced, or unreinforced thermoplastic (5). The threaded stem can be implemented with an external or an internal thread.
The present invention achieves a high mechanical load capacity of a rod end (1) by means of a component loop that passes around a bearing (4), where the component may be made of continuous- fiber reinforced composite material with thermoplastic matrix (3) and where the continuous-fiber reinforced composite material with thermoplastic matrix may extend into a threaded stem (2) of the rod end, and the component made of continuous-fiber reinforced composite material with thermoplastic matrix may be enclosed by short-fiber reinforced, long-fiber reinforced, or unreinforced thermoplastic (5). The threaded stem can be implemented with an external or an internal thread.
The present invention achieves a high mechanical load capacity of a rod end by means of a component loop that passes around a bearing, where the component may be made of continuous-fiber reinforced composite material with thermoplastic matrix and where the continuous-fiber reinforced composite material with thermoplastic matrix may extend into a threaded stem of the rod end, and the component made of continuous-fiber reinforced composite material with thermoplastic matrix may be enclosed by short-fiber reinforced, long-fiber reinforced, or unreinforced thermoplastic. The threaded stem can be implemented with an external or an internal thread.
F16C 7/02 - Constructions of connecting-rods with constant length
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
F16B 7/18 - Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
Disclosed is an apparatus and method for forming three-dimensional woven preforms that can be curved and have continuous fibers in the direction of curvature. Also disclosed are woven preforms formed thereby.
Disclosed is a cruciform-shaped reinforcing structure with at least two arms of intersecting C-Beams having continuous warp fiber reinforcement across the length of each arm.
Disclosed is a cruciform-shaped reinforcing structure with at least two arms of intersecting C-Beams having continuous warp fiber reinforcement across the length of each arm.
Disclosed is a cruciform-shaped reinforcing structure with at least two arms of intersecting C-Beams having continuous warp fiber reinforcement across the length of each arm.
The invention relates to a strut (101, 201), such as fiber composite struts used in aircraft or spacecraft, which has a largest possible outer diameter within a cylindrical installation space of the strut (101, 201). The invention concerns an insert (104, 204) connected to a fiber composite hollow structure (102, 202), such as a fiber plastic composite hollow structure (102, 202), where the hollow structure (102, 202) engages an undercut (107, 207) of the insert (104, 204), wherein the outer region of the fiber composite hollow structure (102 202) likewise has an undercut (108, 208) and this undercut (108, 208) is filled with a fiber composite jacket (105, 205), such as a fiber plastic composite jacket (105, 205), and the inner region of the fiber composite hollow structure (102, 202) has, at least in one subregion, a core (103, 203) connected thereto.
The invention relates to a strut (101, 201), such as fiber composite struts used in aircraft or spacecraft, which has a largest possible outer diameter within a cylindrical installation space of the strut (101, 201). The invention concerns an insert (104, 204) connected to a fiber composite hollow structure (102, 202), such as a fiber plastic composite hollow structure (102, 202), where the hollow structure (102, 202) engages an undercut (107, 207) of the insert (104, 204), wherein the outer region of the fiber composite hollow structure (102 202) likewise has an undercut (108, 208) and this undercut (108, 208) is filled with a fiber composite jacket (105, 205), such as a fiber plastic composite jacket (105, 205), and the inner region of the fiber composite hollow structure (102, 202) has, at least in one subregion, a core (103, 203) connected thereto.
The invention relates to a strut, such as fiber composite struts used in aircraft or spacecraft, which has a largest possible outer diameter within a cylindrical installation space of the strut. The invention concerns an insert connected to a fiber composite hollow structure, such as a fiber plastic composite hollow structure, where the hollow structure engages an undercut of the insert, wherein the outer region of the fiber composite hollow structure likewise has an undercut and this undercut is filled with a fiber composite jacket, such as a fiber plastic composite jacket, and the inner region of the fiber composite hollow structure has, at least in one subregion, a core connected thereto.
F16C 7/02 - Constructions of connecting-rods with constant length
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
F16D 1/072 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
35 - Advertising and business services
Goods & Services
Plastics, partially machined, especially for tensile pressure pipes made of fiber-reinforced plastics; Extruded plastics in the form of rods, blocks, pellets, rods, plates, sheets, foils, pipes and tubes for production purposes; Plastics as semi-finished products. Props, Not of metal, namely pull-push pipes of fibre-reinforced plastics. Arranging commercial transactions, for others, via online shops.
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
35 - Advertising and business services
Goods & Services
Plastics, partially machined, especially for tensile pressure pipes made of fiber-reinforced plastics; Extruded plastics in the form of rods, blocks, pellets, rods, plates, sheets, foils, pipes and tubes for production purposes; Plastics as semi-finished products. Props, Not of metal, namely pull-push pipes of fibre-reinforced plastics. Arranging commercial transactions, for others, via online shops.
Disclosed is an apparatus and method for forming three-dimensional woven preforms that can be curved and have continuous fibers in the direction of curvature. Also disclosed are woven preforms formed thereby.
Disclosed is an apparatus and method for forming three-dimensional woven preforms that can be curved and have continuous fibers in the direction of curvature. Also disclosed are woven preforms formed thereby.
Disclosed is a method for making a ceramic matrix composite. A preform is subjected to one or more infiltrations with slurry comprised of a solvent, matrix binder, and particles. Removal of the solvent between infiltrations is achieved by making use of differing chemical or physical properties between the solvent and binder,
C04B 35/18 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silicates other than clay rich in aluminium oxide
Disclosed is a method for making a ceramic matrix composite. A preform is subjected to one or more infiltrations with slurry comprised of a solvent, matrix binder, and particles. Removal of the solvent between infiltrations is achieved by making use of differing chemical or physical properties between the solvent and binder,
C04B 35/18 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silicates other than clay rich in aluminium oxide
Disclosed is a method for making a ceramic matrix composite. A preform is subjected to one or more infiltrations with slurry comprised of a solvent, matrix binder, and particles. Removal of the solvent between infiltrations is achieved by making use of differing chemical or physical properties between the solvent and binder.
Disclosed is a method of forming a 3D woven omega-shaped stiffener (100) by flat weaving a plurality of layers of interwoven warp and weft fibers to form a flat woven fabric having a cap portion (104), a first and a second web portion (108a, 108b), a first and second foot portion (106a, 106b), and an inner wrap portion (110). The 3D woven fabric is woven so that least some of the weft fibers are continuous across a juncture between the web portion and the foot portions. The flat woven fabric is then formed into the omega shape.
Disclosed is a method of forming a 3D woven omega-shaped stiffener (100) by flat weaving a plurality of layers of interwoven warp and weft fibers to form a flat woven fabric having a cap portion (104), a first and a second web portion (108a, 108b), a first and second foot portion (106a, 106b), and an inner wrap portion (110). The 3D woven fabric is woven so that least some of the weft fibers are continuous across a juncture between the web portion and the foot portions. The flat woven fabric is then formed into the omega shape.
Disclosed is a method of forming a 3D woven omega-shaped stiffener by flat weaving a plurality of layers of interwoven warp and weft fibers to form a flat woven fabric having a cap portion, a first and a second web portion, a first and second foot portion, and an inner wrap portion. The 3D woven fabric is woven so that least some of the weft fibers are continuous across a juncture between the web portion and the foot portions. The flat woven fabric is then formed into the omega shape.
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
D03D 11/02 - Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
D03D 25/00 - Woven fabrics not otherwise provided for
45.
WOVEN 3D FIBER REINFORCED STRUCTURE AND METHOD OF MAKING THEREOF
Disclosed is a woven three-dimensional (3D) fiber reinforced structure and method of making thereof having improved shear stress and stiffness. The structure is fabricated from tows with off-axis fiber reinforcement. The tows can replace warp or weft tows used in standard 3D weaving processes.
D02G 3/06 - Threads formed from strip material other than paper
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
46.
Woven 3D Fiber Reinforced Structure and Method of Making Thereof
Disclosed is a woven three-dimensional (3D) fiber reinforced structure and method of making thereof having improved shear stress and stiffness. The structure is fabricated from tows with off-axis fiber reinforcement. The tows can replace warp or weft tows used in standard 3D weaving processes.
B32B 5/12 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by the relative arrangement of fibres or filaments of adjacent layers
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
47.
WOVEN 3D FIBER REINFORCED STRUCTURE AND METHOD OF MAKING THEREOF
Disclosed is a woven three-dimensional (3D) fiber reinforced structure and method of making thereof having improved shear stress and stiffness. The structure is fabricated from tows with off-axis fiber reinforcement. The tows can repiace warp or weft tows used in standard 3D weaving processes.
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
D03D 25/00 - Woven fabrics not otherwise provided for
D03D 15/00 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
B32B 7/14 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
D02G 3/06 - Threads formed from strip material other than paper
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
D03D 3/00 - Woven fabrics characterised by their shape
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
F01D 21/04 - Shutting-down of machines or engines, e.g. in emergencyRegulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator, e.g. indicating such position
F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
F01D 21/04 - Shutting-down of machines or engines, e.g. in emergencyRegulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator, e.g. indicating such position
F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
F01D 21/04 - Shutting-down of machines or engines, e.g. in emergencyRegulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator, e.g. indicating such position
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
D03D 3/00 - Woven fabrics characterised by their shape
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
D05B 23/00 - Sewing apparatus or machines not otherwise provided for
B32B 17/02 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like in the form of fibres or filaments
B32B 1/04 - Layered products essentially having a general shape other than plane characterised by feature of form at particular places, e.g. in edge regions
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
F01D 21/04 - Shutting-down of machines or engines, e.g. in emergencyRegulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator, e.g. indicating such position
52.
WEAVING MULTILAYER PRODUCTS USING MULTIPLE WARP COLUMNS AND HEDDLE COLUMNS
An apparatus for weaving a multilayer product that has one or more warp columns for placing warp fibers and one or more heddle columns for heddles for lacing the warp fibers. The weaving apparatus has a numerical ratio of warp columns and heddle columns that is a fractional number. And a portion of the warp fibers are laceable through heddles on one or more heddle columns based on the fractional number. A method for weaving a multilayer product where adjacent warp fibers are segmented and laced through heddles on the heddle columns based on the fractional number.
An apparatus for weaving a multilayer product that has one or more warp columns for placing warp fibers and one or more heddle columns for heddles for lacing the warp fibers. The weaving apparatus has a numerical ratio of warp columns and heddle columns that is a fractional number. And a portion of the warp fibers are laceable through heddles on one or more heddle columns based on the fractional number. A method for weaving a multilayer product where adjacent warp fibers are segmented and laced through heddles on the heddle columns based on the fractional number.
An apparatus for weaving a multilayer product that has one or more warp columns for placing warp fibers and one or more heddle columns for heddles for lacing the warp fibers. The weaving apparatus has a numerical ratio of warp columns and heddle columns that is a fractional number. And a portion of the warp fibers are laceable through heddles on one or more heddle columns based on the fractional number. A method for weaving a multilayer product where adjacent warp fibers are segmented and laced through heddles on the heddle columns based on the fractional number.
A three-dimensional gap-filled preform and a method of forming a three-dimensional gap-filled preform. The preforms comprise a base section (200) of all integrally woven layers, a portion of that base separated into three sections, the outer two sections (212,214) comprising integrally woven layers, and the middle section (210) comprising an integrated gap filler. The integrated gap filler may comprise a center section of one woven layer, independently woven layers, integrally woven layers, or a plurality of layers of warp fibers that are not interwoven with weft fibers. The layers of the integrated gap filler compress or crumple up in the middle section and fill the formed gap or gaps, while the woven layers of the outer sections are folded to form the shape of the preform.
D03D 25/00 - Woven fabrics not otherwise provided for
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
A three-dimensional gap-filled preform and a method of forming a three-dimensional gap-filled preform. The preforms comprise a base section (200) of all integrally woven layers, a portion of that base separated into three sections, the outer two sections (212,214) comprising integrally woven layers, and the middle section (210) comprising an integrated gap filler. The integrated gap filler may comprise a center section of one woven layer, independently woven layers, integrally woven layers, or a plurality of layers of warp fibers that are not interwoven with weft fibers. The layers of the integrated gap filler compress or crumple up in the middle section and fill the formed gap or gaps, while the woven layers of the outer sections are folded to form the shape of the preform.
D03D 25/00 - Woven fabrics not otherwise provided for
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
A three-dimensional gap-filled preform and a method of forming a three-dimensional gap-filled preform. The preforms comprise a base section of all integrally woven layers, a portion of that base separated into three sections, the outer two sections comprising integrally woven layers, and the middle section comprising an integrated gap filler. The integrated gap filler may comprise a center section of one woven layer, independently woven layers, integrally woven layers, or a plurality of layers of warp fibers that are not interwoven with weft fibers. The layers of the integrated gap filler compress or crumple up in the middle section and fill the formed gap or gaps, while the woven layers of the outer sections are folded to form the shape of the preform.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
D03D 25/00 - Woven fabrics not otherwise provided for
B32B 5/06 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer needled to another layer, e.g. of fibres, of paper
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
A multi-layer three-dimensional (3D) woven preform with a mock leno structure resulting in channels in the through thickness direction developed for applications such as forming light weight preforms with an increased thickness.
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
A multi-layer three-dimensional (3D) woven preform with a mock leno structure resulting in channels in the through thickness direction developed for applications such as forming light weight preforms with an increased thickness.
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
A three-dimensional (3D) woven preform with channels in the through thickness direction developed for applications such as forming light weight preforms with an increased thickness.
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
61.
THREE-DIMENSIONAL WOVEN COMPOSITE VEHICLE COMPONENTS FOR CRASHWORTHINESS
Described is a three-dimensional (3D) woven composites with high specific energy absorption (SEA) that significantly outperforms traditional two dimensional (2D) woven laminated composites of substantially the same weight.
A woven preform used to reinforce a composite structure which includes a central portion having a plurality of inter-woven layers. The preform also includes first and second end portions having a plurality of independent woven layers that are integrally woven with the plurality of interwoven layers in the central portion and which extend along the entire length the preform. Interspersed between the plurality of independent woven layers in the first and second end portions are bias plies.
D03D 1/00 - Woven fabrics designed to make specified articles
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 25/00 - Woven fabrics not otherwise provided for
B32B 27/04 - Layered products essentially comprising synthetic resin as impregnant, bonding, or embedding substance
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
A61K 51/12 - Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
D03D 11/02 - Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
A woven preform used to reinforce a composite structure which includes a central portion having a plurality of interwoven layers. The preform also includes first and second end portions having a plurality of independent woven layers that are integrally woven with the plurality of interwoven layers in the central portion and which extend along the entire length the preform. Interspersed between the plurality of independent woven layers in the first and second end portions are bias plies.
D03D 1/00 - Woven fabrics designed to make specified articles
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
D03D 25/00 - Woven fabrics not otherwise provided for
B32B 27/04 - Layered products essentially comprising synthetic resin as impregnant, bonding, or embedding substance
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
65.
Preform and method for reinforcing woven fiber nodes
Preforms including fiber reinforced nodes for use in fiber reinforced composite structures and methods for making fiber reinforced composite structures. Preforms with woven fabric elements extending radially from a common node include at least one reinforcing fiber interwoven between at least two elements and passing through the node. A method of assembling preform structures using the preforms to provide a structure with reinforced nodes.
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B23B 3/12 - Turning-machines characterised by the use of faceplates with the faceplate vertical, i.e. face lathes
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B32B 3/12 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/08 - Interconnection of layers by mechanical means
D03D 3/00 - Woven fabrics characterised by their shape
D03D 25/00 - Woven fabrics not otherwise provided for
B29L 31/60 - Multitubular or multicompartmented articles, e.g. honeycomb
66.
Woven preform, composite, and method of making thereof
A three dimensional woven preform, a fiber reinforced composite incorporating the preform, and methods of making thereof are disclosed. The woven preform includes one or more layers of a warp steered fabric. A portion of the warp steered fabric is compressed into a mold to form an upstanding leg. The preform includes the upstanding leg and a joggle in a body portion. The body portion and upstanding leg are integrally woven so there is continuous fiber across the preform. A portion of the warp steered fabric includes stretch broken carbon fibers in the warp direction, and another portion includes conventional carbon fibers. The warp steered fabric can be woven on a loom equipped with a differential take-up mechanism. The warp steered fabric can be a single or multilayer fabric. The preform or the composite can be a portion of an aircraft window frame.
D03D 25/00 - Woven fabrics not otherwise provided for
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
D03D 15/12 - Woven fabrics characterised by the material or construction of the yarn or other warp or weft elements used using heat-resistant or fireproof threads
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
A sensor cup has a tube with lateral sides, a distal end with a base coupled to the liner of a tank, and an opposite proximal open end. A composite laminate surrounds a circumference and the lateral sides of the tube. A connection is associated with the tube. A sensor is disposed in the tube and retained therein by the connection. A flange can extend radially outwardly from the cylindrical tube at the distal end with the flange coupled to the liner. The composite laminate can cover the flange with the flange sandwiched between the composite laminate and the liner.
A tubular structure which includes a plurality of axial sites in circular relation to one another and a plurality of bias sites that interconnect the axial sites to form the tubular structure. The tubular structure's axial sites have a greater diameter than the structure's bias sites.
D04C 1/06 - Braid or lace serving particular purposes
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29C 70/48 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM]
69.
Three-stage separator for a vacuum waste tank system
An air and moisture separator for use with a waste tank and a vacuum source has a canister securable to the waste tank and having an inlet couplable to the waste tank and an outlet couplable to the vacuum source. An air flow path extends through the canister and through at least three different stages of air and moisture separation, including: a first air-turning stage coupled to the inlet; and a second stage of mesh or foam coupled to and subsequent to the first air-turning stage in the air flow path. An annular mesh or foam of greater density defines a third stage subsequent to the second stage, and circumscribes at least a majority of a circumferential perimeter of the mesh or foam of the second stage.
Preforms including fiber reinforced nodes for use in fiber reinforced composite structures and methods for making fiber reinforced composite structures. Preforms with woven fabric elements extending radially from a common node include at least one reinforcing fiber interwoven between at least two elements and passing through the node. A method of assembling preform structures using the preforms to provide a structure with reinforced nodes.
B32B 3/12 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a layer of regularly-arranged cells whether integral or formed individually or by conjunction of separate strips, e.g. honeycomb structure
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/08 - Interconnection of layers by mechanical means
B29L 31/60 - Multitubular or multicompartmented articles, e.g. honeycomb
71.
Integrated polar cap for a vacuum waste tank system
A polar cap for a vacuum waste tank includes an annulus with a lower outer mounting flange and an upper inner mounting flange surrounding a separator opening configured to be coupled to a separator; an inlet opening disposed in the annulus configured to be coupled to a waste line; and another opening disposed in the annulus configured to be coupled to a sensor or a rinse nozzle. The cap can carry sensors, rinse nozzles, inlets, and diverts.
A three-dimensional corner lap joint preform and a method of forming a three- dimensional corner lap joint preform including a woven flange with one or more legs that extend from the flange. The legs may include one or more independently woven portions which allow formation of a corner without darting the leg or adding additional reinforcement. The independently woven portions may include warp fibers which are not woven into the preform. The unwoven area al lows removal of a portion of the leg prior to formation of the corner, allowing the portions of the leg to overlap and form a lap joint.
A three-dimensional corner lap joint preform and a method of forming a three- dimensional corner lap joint preform including a woven flange with one or more legs that extend from the flange. The legs may include one or more independently woven portions which allow formation of a corner without darting the leg or adding additional reinforcement. The independently woven portions may include warp fibers which are not woven into the preform. The unwoven area al lows removal of a portion of the leg prior to formation of the corner, allowing the portions of the leg to overlap and form a lap joint.
A three-dimensional corner lap joint preform and a method of forming a three-dimensional corner lap joint preform including a woven flange with one or more legs that extend from the flange. The legs may include one or more independently woven portions which allow formation of a corner without darting the leg or adding additional reinforcement. The independently woven portions may include warp fibers which are not woven into the preform. The unwoven area allows removal of a portion of the leg prior to formation of the corner, allowing the portions of the leg to overlap and form a lap joint.
D03D 25/00 - Woven fabrics not otherwise provided for
D03D 23/00 - General weaving methods not special to the production of any particular woven fabric or the use of any particular loomWeaves not provided for in any other single group
D03D 3/00 - Woven fabrics characterised by their shape
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
Preforms including fiber reinforced nodes for use in fiber reinforced composite structures and methods for making fiber reinforced composite structures. Preforms with woven fabric elements extending radially from a common node include at least one reinforcing fiber interwoven between at least two elements and passing through the node. A method of assembling preform structures using the preforms to provide a structure with reinforced nodes.
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B23B 3/12 - Turning-machines characterised by the use of faceplates with the faceplate vertical, i.e. face lathes
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/08 - Interconnection of layers by mechanical means
B29L 31/60 - Multitubular or multicompartmented articles, e.g. honeycomb
Woven preforms, for example those used far jet aircraft engine fancases, may need additional stiffeners to improve the strength and/ or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes a improved woven preform (101) that includes circumferential stiffeners (301, 302 added to the woven preform.
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B64C 11/00 - Propellers, e.g. of ducted typeFeatures common to propellers and rotors for rotorcraft
B64D 33/02 - Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
F01D 21/04 - Shutting-down of machines or engines, e.g. in emergencyRegulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator, e.g. indicating such position
F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
Woven preforms, for example those used for jet aircraft engine fancases, may need additional stiffeners to improve the strength and/or dynamic performance of the preform assembly, as well as to serve as attachment points. The present invention describes several improved woven preforms that include circumferential or axial stiffeners, as well as methods of manufacturing the same. One embodiment includes circumferential stiffeners added to a woven preform. Another embodiment includes sub-preforms with integral flanges that combine to make integral stiffeners. A further embodiment includes an intermediate stiffener wrapped onto a base sub-preform wrap, wherein the intermediate stiffener wrap incorporates intermediate stiffeners. Another embodiment incorporates bifurcations in one or more layers of an outermost wrap of a multi-layer fabric composite that forms a preform, wherein the bifurcated outer wrap is folded to form stiffeners that may be oriented circumferentially or axially.
D03D 3/00 - Woven fabrics characterised by their shape
B32B 1/04 - Layered products essentially having a general shape other than plane characterised by feature of form at particular places, e.g. in edge regions
B32B 17/02 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like in the form of fibres or filaments
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
F01D 25/24 - CasingsCasing parts, e.g. diaphragms, casing fastenings
F01D 21/04 - Shutting-down of machines or engines, e.g. in emergencyRegulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator, e.g. indicating such position
A woven preform for a reinforced composite material, which may be woven flat and folded into shape. The preform has off-axis reinforcement with one or more legs and/or base extending in an off axis or bias (non 0/90 degree) orientation with respect to the warp/weft fibers. One or more legs extend from a base, the base and legs each having at least two layers of warp fibers. The legs may be parallel or angled to each other. The outer ends of the base and/or the legs may have tapers formed from terminating layers of warp fibers in a stepped or angled pattern.
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
D03D 25/00 - Woven fabrics not otherwise provided for
A woven preform for a reinforced composite material, which may be woven flat and folded into shape. The preform has off-axis reinforcement with one or more legs and/or base extending in an off axis or bias (non 0/90 degree) orientation with respect to the warp/weft fibers. One or more legs extend from a base, the base and legs each having at least two layers of warp fibers. The legs may be parallel or angled to each other. The outer ends of the base and/or the legs may have tapers formed from terminating layers of warp fibers in a stepped or angled pattern.
D06H 7/00 - Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
D03D 1/00 - Woven fabrics designed to make specified articles
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
D03D 11/02 - Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
D03D 25/00 - Woven fabrics not otherwise provided for
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
A woven preform (300) for a reinforced composite material, which may be woven flat and folded into shape. The preform has off-axis reinforcement with one or more legs (315,320) and/or base (310) extending in an off axis or bias (non 0/90 dgeree) orientation with respect to the warp/weft fibers (312,314). One or more legs extend from a base, the base and legs each having at least two layers of warp fibers. The legs may be parallel or angled to each other. The outer ends of the base and/or the legs may have tapers formed from terminating layers of warp fibers in a stepped or angled pattern.
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
D03D 25/00 - Woven fabrics not otherwise provided for
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
The invention relates to a Jacquard weaving loom (100) for creating a fabric by weaving between a plurality of warp threads (201) and a plurality of woof threads (202). The fabric includes a predetermined number warp threads per length unit and a predetermined number of warp thread layers. The loom includes a comber board (111) including a plurality of holes (1110) for passing a corresponding number of guide threads (113) therethrough, each guide thread being provided with an eyelet (114) having a warp thread (201) passing therethrough. The holes (1110) in the comber board (111) are distributed along a predetermined number of columns (1111) extending parallel to the direction of the warp threads (201) and a predetermined number of rows (1112) per column extending in a direction perpendicular to the direction of the warp threads. The comber board (111) includes a number of columns (1111) of holes (1110) per length unit that is less than the number of warp columns per the same length unit in the fabric and a number of rows (1112) of holes (1110) greater than the number of warp layers in the fabric.
A corner fitting preform (100) and a method of forming a corner fitting preform including steps integrally weaving a base (10) or parent material with one or more flanges or legs (20) that extend from the base (10) is disclosed. The flat woven preform includes specially engineered areas within the legs or flanges (20) that have continuous warp yarns which are not woven. The unwoven areas (28) provide a hinge which allows the flanges (20) of the preform to fold around a corner. After folding, the excess unwoven warp yarns are pulled back through the woven portion of the legs or flanges to produce a preform with continuous warp yarn reinforcement around the corner.
D03D 25/00 - Woven fabrics not otherwise provided for
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
88.
CORNER FITTING PREFORMS AND METHOD OF MAKING THEREOF
A corner fitting preform (100) and a method of forming a corner fitting preform including steps integrally weaving a base (10) or parent material with one or more flanges or legs (20) that extend from the base (10) is disclosed. The flat woven preform includes specially engineered areas within the legs or flanges (20) that have continuous warp yarns which are not woven. The unwoven areas (28) provide a hinge which allows the flanges (20) of the preform to fold around a corner. After folding, the excess unwoven warp yarns are pulled back through the woven portion of the legs or flanges to produce a preform with continuous warp yarn reinforcement around the corner.
D03D 25/00 - Woven fabrics not otherwise provided for
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
89.
Corner fitting preforms and method of making thereof
A corner fitting preform and a method of forming a corner fitting preform including steps integrally weaving a base or parent material with one or more flanges or legs that extend from the base is disclosed. The flat woven preform includes specially engineered areas within the legs or flanges that have continuous warp yarns which are not woven. The unwoven areas provide a hinge which allows the flanges of the preform to fold around a corner. After folding, the excess unwoven warp yarns are pulled back through the woven portion of the legs or flanges to produce a preform with continuous warp yarn reinforcement around the corner.
B32B 3/02 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Fiber reinforced materials and products primarily made of natural and synthetic fiber materials, namely, cotton, acrylic, polyacrylic nitrile (PAN), carbon, fiberglass, poly aramids, and polyimides, together in combination with matrix materials, for structural elements and engine components for motor vehicles, and aircraft, namely, airplanes, helicopters, rocket powered craft and missles, in the aerospace, sport, leisure and automotive industries
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Fiber reinforced materials and products primarily made of natural and synthetic fiber materials, namely, cotton, acrylic, polyacrylic nitrile (PAN), carbon, fiberglass, poly aramids, and polyimides, together in combination with matrix materials, for structural elements and engine components for motor vehicles, and aircraft, namely, airplanes, helicopters, rocket powered craft and missles, in the aerospace, sport, leisure and automotive industries
92.
PREFORM AND METHOD FOR REINFORCING WOVEN FIBER NODES
Preforms (20,30,40,50) including fiber reinforced nodes (29,39,49,59) for use in fiber reinforced composite structures and methods for making fiber reinforced composite structures. Preforms with woven fabric elements extending radially from a common node include at least one reinforcing fiber interwoven between at least two elements and passing through the node. A method of assembling preform structures (60,62) using the preforms to provide a structure with reinforced nodes.
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
93.
PREFORM AND METHOD FOR REINFORCING WOVEN FIBER NODES
Preforms (20,30,40,50) including fiber reinforced nodes (29,39,49,59) for use in fiber reinforced composite structures and methods for making fiber reinforced composite structures. Preforms with woven fabric elements extending radially from a common node include at least one reinforcing fiber interwoven between at least two elements and passing through the node. A method of assembling preform structures (60,62) using the preforms to provide a structure with reinforced nodes.
B29D 99/00 - Subject matter not provided for in other groups of this subclass
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29L 31/60 - Multitubular or multicompartmented articles, e.g. honeycomb
94.
Preform and method for reinforcing woven fiber nodes
Preforms including fiber reinforced nodes for use in fiber reinforced composite structures and methods for making fiber reinforced composite structures. Preforms with woven fabric elements extending radially from a common node include at least one reinforcing fiber interwoven between at least two elements and passing through the node. A method of assembling preform structures using the preforms to provide a structure with reinforced nodes.
B32B 1/00 - Layered products having a non-planar shape
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
95.
Nickel nanostrand ESD/conductive coating or composite
A polymer-based coating includes nickel nanostrands dispersed within a polymer, and a pigment that is conductive or semi-conductive dispersed in the polymer.
Preforms for use in fiber-reinforced composites, fiber-reinforced composites, and methods for making thereof are disclosed. One method includes interweaving a plurality of warp yarns with a single weft yarn so as to form a tubular woven structure with a central axis. The preform can be woven using an endless or tubular weaving technique, and can be woven so as to have two or more diameters along a length thereof. The preform can include one or more layers of a fabric formed on or attached to one or both surfaces of the tubular woven structure. The end structure can be a part of a window frame, a wheel rim, or a combustor in a jet engine.
B29C 70/30 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core
Preforms for use in fiber-reinforced composites, fiber-reinforced composites, and methods for making thereof are disclosed. One method includes interweaving a plurality of warp yarns with a single weft yarn so as to form a tubular woven structure with a central axis. The preform can be woven using an endless or tubular weaving technique, and can be woven so as to have two or more diameters along a length thereof. The preform can include one or more layers of a fabric formed on or attached to one or both surfaces of the tubular woven structure. The end structure can be a part of a window frame, a wheel rim, or a combustor in a jet engine.
D04H 3/12 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
D03D 15/00 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
D03D 13/00 - Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
B29L 31/32 - Wheels, pinions, pulleys, castors or rollers
Preforms for use in fiber-reinforced composites, fiber-reinforced composites, and methods for making thereof are disclosed. One method includes interweaving a plurality of warp yarns with a single weft yarn so as to form a tubular woven structure with a central axis. The preform can be woven using an endless or tubular weaving technique, and can be woven so as to have two or more diameters along a length thereof. The preform can include one or more layers of a fabric formed on or attached to one or both surfaces of the tubular woven structure. The end structure can be a part of a window frame, a wheel rim, or a combustor in a jet engine.
D03D 15/00 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
The present invention generally relates to an integrally woven three-dimensional preform with at least one sidewall in at least one direction constructed from a woven base fabric comprising two or more layers, and a method of forming thereof. A plurality of fibers in a first direction is interwoven between at least the top layer and a second layer, such that top layer is foldable relative to the other layers and form, upon folding, an integral sidewall. A plurality of fibers may also be interwoven between the second-from-the-top layer and a second layer, such that the second-from-the-top layer is foldable relative to the other layers, upon folding, form a second integral sidewall perpendicular to the first integral sidewall. The preform may optionally comprise a plurality of non-integral sidewalls formed by folding portions of the topmost layer.
D03D 11/00 - Double or multi-ply fabrics not otherwise provided for
D03D 11/02 - Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
100.
REINFORCEMENT FOR DARTED PI PREFORMS, PI PREFORMS COMPRISING THIS REINFORCEMENT AND METHOD OF REINFORCING THE PI PREFORMS
A reinforcement (201) for a darted three-dimensional Pi or T-shaped preform (101), a method of making thereof and a composite structure including the reinforcement is disclosed. The reinforcement is a steered fabric having a width, a length, a first face surface (212) and a second face (213) surface separated by a thickness (+). The first face surface of the steered fabric is affixed to a darted component of the preform.
B29C 70/22 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
