公开(公告)号：US11761422B2

公开(公告)日：2023-09-19

申请号：US17298771

申请日：2019-12-09

Applicant: Vestas Wind Systems A/S

Inventor： Robert Charles Preston

IPC: F03D1/06 ,  B29C70/48 ,  B29C70/30 ,  B29L31/08

CPC classification number: F03D1/0675 ,  B29C70/302 ,  B29C70/304 ,  B29C70/48 ,  B29L2031/085 ,  F05B2230/60 ,  F05B2280/6003 ,  F05B2280/6013 ,  F05B2280/6015

Abstract: A wind turbine blade shear web comprises an elongate panel (28) having a first side and an opposing second side and a longitudinally extending flange (30a, 30b) arranged along a longitudinal edge of the panel. The flange comprises a plurality of elongate flange sections (46) arranged along the first side of the panel and integrated therewith. Each flange section comprises a plurality of elongate flange elements arranged one on top of another and offset from one another in a longitudinal direction of the flange section (46) such that the offset between the flange elements defines a tapered portion at each of a first and second longitudinal end of the flange section. The tapered portions of longitudinally adjacent flange sections overlap to define at least one scarf joint between said adjacent flange sections.

公开(公告)号：US11760041B2

公开(公告)日：2023-09-19

申请号：US17298775

申请日：2019-12-09

Applicant: Vestas Wind Systems A/S

Inventor： Jonathan Smith ,  Robert Charles Preston

IPC: B29C70/48 ,  F03D1/06 ,  B29C70/30 ,  B29L31/08

CPC classification number: B29C70/48 ,  B29C70/302 ,  F03D1/0675 ,  B29L2031/085 ,  F05B2230/23 ,  F05B2280/6003 ,  F05B2280/6015

Abstract: A method of forming a wind turbine blade shear web flange section (36) by resin transfer moulding comprises providing a mould assembly (84) comprising a mould surface (86) defining a mould cavity and arranging a plurality of elongate flange elements (46) with the mould surface in an array (80) such that the flange elements are positioned one on top of another with first and second longitudinal ends (56,60) of each flange element longitudinally offset from respective first and second longitudinal ends of a neighbouring flange element so as to form a tapered portion (58,62) at each of a first and second longitudinal end of the flange section (36). A The method further comprises injecting resin to the mould cavity and curing the array of flange elements in a resin matrix to form a cured flange section having a laminate construction.

公开(公告)号：US20230264435A1

公开(公告)日：2023-08-24

申请号：US18017720

申请日：2021-07-27

Applicant: LEONARDO S.P.A.

Inventor： Stefano Giuseppe CORVAGLIA ,  Pasquale GAMBARDELLA

IPC: B29C70/30 ,  B29C70/54 ,  B29C70/88

CPC classification number: B29C70/302 ,  B29C70/545 ,  B29C70/887 ,  B64F5/10

Abstract: A process for manufacturing a structural component made of composite material comprising a skin and at least one stiffening stringer applied rigidly and integrally to one face of the skin. The process comprises a) arranging, on a tool, a plurality of first layers of uncured or pre-cured composite material, forming the stringer and having a raised portion protruding from at least one flange; b) arranging, on said tool, a plurality of second layers of uncured or pre-cured composite material forming said skin; c) making a face of said skin and flange adhere to each other; d) applying predetermined temperature and pressure on the assembly, possibly curing the uncured material and rigidly joining said skin to said stringer; e) performing a cutting operation on the free end side edge/s of said flange; and f) cover said end side edge/s of the end of said flange with a coating of composite material.

公开(公告)号：US20230174226A1

公开(公告)日：2023-06-08

申请号：US18161436

申请日：2023-01-30

Applicant: Textron Innovations Inc.

Inventor： Jared Mark Paulson ,  Mark Mays ,  Michael Christopher Burnett

IPC: B64C27/473 ,  B32B1/08 ,  B64C3/18 ,  B32B27/08 ,  B29C70/30

CPC classification number: B64C27/473 ,  B32B1/08 ,  B64C3/185 ,  B32B27/08 ,  B29C70/302 ,  B32B2597/00 ,  B29D23/00

Abstract: Embodiments are directed to systems and methods for two or more cured composite assemblies that are bonded together to form a tubular composite structure, wherein each of the cured composite assemblies do not have a tubular shape. The tubular composite structure may form a spar for an aerodynamic component, for example. The two or more cured composite assemblies may comprise carbon or fiberglass composite materials or a combination of materials. Each of the cured composite assemblies may further comprise axial edges that are configured to be bonded to another of the cured composite assemblies, wherein the axial edges have a sloped shape. An adhesive agent may be applied on the axial edges for bonding two cured composite assemblies. Alternatively, or additionally, one or more fasteners may be used to attach the axial edges of at least two cured composite assemblies.

公开(公告)号：US12117063B2

公开(公告)日：2024-10-15

申请号：US17413290

申请日：2019-12-13

Applicant: MUELLES Y BALLESTAS HISPANO-ALEMANAS PROJECTS, S.L.

Inventor： Miguel Ruiz Dealbert ,  Roberto Estal Vera ,  Juan Salamero Laorden

IPC: F16F1/36 ,  B29C70/30 ,  B29C70/48 ,  F16F1/368 ,  B29L31/00

CPC classification number: F16F1/3686 ,  B29C70/302 ,  B29C70/48 ,  B29L2031/774 ,  F16F2224/0241 ,  F16F2226/04 ,  F16F2230/0005 ,  F16F2238/022

Abstract: Leaf spring comprising at least one leaf of composite material that comprises:



a central body (1), and
two eyes (2),
wherein the central body (1) comprises its longitudinal end zones (1.1) embedded in a cavity (2.1) of the eyes (2), wherein the sections transversal to the longitudinal direction of the central body (1) of the longitudinal end zones (1.1) of the central body (1) and the cavities (2.1) of the eyes (2) present increasing dimensions towards the longitudinal end of the leaf spring and that comprises fibre fabrics (7, 8, 9) of the central body (1) stacked in a Z-direction perpendicular to the longitudinal direction of the central body (1) and to the longitudinal direction of the hole (3) of the eyes (2) and comprises fibre fabrics (10, 11) of the eyes (2) stacked in a parallel direction to the longitudinal direction of the longitudinal axis of the hole (3).

公开(公告)号：US11975498B2

公开(公告)日：2024-05-07

申请号：US16536361

申请日：2019-08-09

Applicant: Crompton Technology Group Limited

Inventor： Jon Pethick

IPC: B29C70/48 ,  B29C53/56 ,  B29C53/80 ,  B29C57/00 ,  B29C70/30 ,  C08J5/04 ,  F16B9/00 ,  F16B9/02

CPC classification number: B29C70/48 ,  B29C53/566 ,  B29C53/8008 ,  B29C57/00 ,  B29C70/302 ,  C08J5/046 ,  F16B9/02 ,  F16B9/052

Abstract: A method of manufacturing a composite (e.g. fibre-reinforced polymer) connector for a fluid transfer conduit includes: manufacturing a continuous fibre pre-form net 150 that is shaped to comprise a hub-forming portion 156 and a flange-forming portion 158, the continuous fibre pre-form net comprising continuous fibre reinforcement 110 and a common support layer 151 to which the continuous fibre reinforcement 110 is secured by being stitched thereto; placing the continuous fibre pre-form net 150 into a mould, the mould being shaped such that the hub-forming portion 156 forms a tubular hub portion which extends along a central axis and the flange-forming portion 158 forms a flange portion which extends from the hub portion at an angle to the central axis; and introducing polymer into the mould so as to form a composite connector comprising the flange portion and the hub portion.

公开(公告)号：US20240140050A1

公开(公告)日：2024-05-02

申请号：US17979666

申请日：2022-11-02

Applicant: Rohr, Inc.

Inventor： KATHERINE E WAUGH ,  Kirk C Newton ,  Vijay V Pujar ,  Christopher C Koroly

IPC: B29C70/30 ,  B29C70/54 ,  D04H18/02

CPC classification number: B29C70/302 ,  B29C70/543 ,  D04H18/02 ,  B29K2307/04 ,  D10B2101/12

Abstract: A manufacturing method is provided. The manufacturing method arranges a first surface of a first composite preform component to align with a first surface of a second composite preform component; attaches the first surface of the first composite preform component to the first surface of the second composite preform component to form a complex composite structure; and densifies the complex composite structure as one, complete complex composite structure.

公开(公告)号：US11931981B2

公开(公告)日：2024-03-19

申请号：US15882044

申请日：2018-01-29

Applicant: General Electric Company

Inventor： Gary Willard Bryant, Jr. ,  Phani Nandula

IPC: B29D99/00 ,  B29C70/22 ,  B29C70/30 ,  B29L31/08 ,  B32B3/14 ,  B32B5/12 ,  B32B5/26 ,  B32B27/08 ,  F01D5/28 ,  F04D29/38 ,  B29K307/04 ,  B29K309/08 ,  B64D27/16 ,  B64D33/02

CPC classification number: B29D99/0025 ,  B29C70/302 ,  B32B3/14 ,  B32B5/12 ,  B32B5/26 ,  B32B27/08 ,  F01D5/282 ,  F04D29/388 ,  B29C70/228 ,  B29K2307/04 ,  B29K2309/08 ,  B29L2031/08 ,  B32B2262/101 ,  B32B2262/106 ,  B32B2603/00 ,  B64D27/16 ,  B64D33/02 ,  B64D2033/022 ,  F05D2220/36 ,  F05D2300/6034

Abstract: A blade is provided. The blade comprises a plurality of a first composite fiber plies and a plurality of a second composite fiber plies. Ends of the second fiber plies are staggered such that interlock between the first composite fiber plies and the second composite fiber plies is formed in a region where the second composite fiber plies end and meet with the first composite fiber plies. The blades are used for an engine of an aircraft.

公开(公告)号：US20240084779A1

公开(公告)日：2024-03-14

申请号：US18271126

申请日：2022-03-02

Applicant: LM WIND POWER A/S

Inventor： Mahdi BAVILOLIAIE ,  Michael Scholarth KOEFOED ,  Henrik BARSLEV ,  Jens Zangenberg HANSEN

IPC: F03D1/06 ,  B29C70/22 ,  B29C70/30

CPC classification number: F03D1/0681 ,  B29C70/226 ,  B29C70/302 ,  B29L2031/085 ,  F05B2280/6013

Abstract: The disclosure relates to a fibre reinforcement fabric for a wind turbine component, the fabric comprising a first plurality of fibre bundles arranged in parallel in a warp direction and stitched together, the fabric having a first outermost fibre bundle defining a first fabric edge parallel to the warp direction and a second outermost fibre bundle defining a second fabric edge opposite the first fabric edge, the fabric having a first tapered portion including the first outermost fibre bundle, wherein a thickness of the fabric in the first tapered portion is tapering from a first fabric thickness to a second fabric thickness in a direction towards the first fabric edge. The disclosure also relates to a spar cap and a wind turbine blade shell part comprising such fabric or fabrics.

公开(公告)号：US20240009942A1

公开(公告)日：2024-01-11

申请号：US18471611

申请日：2023-09-21

Applicant: Crompton Technology Group Limited

Inventor： Jon Pethick

IPC: B29C70/48 ,  F16B9/00 ,  B29C53/56 ,  B29C53/80 ,  B29C57/00 ,  C08J5/04 ,  F16B9/02 ,  B29C70/30

CPC classification number: B29C70/48 ,  F16B9/052 ,  B29C53/566 ,  B29C53/8008 ,  B29C57/00 ,  C08J5/046 ,  F16B9/02 ,  B29C70/302

Abstract: A method of manufacturing a composite (e.g. fibre-reinforced polymer) connector for a fluid transfer conduit includes: manufacturing a continuous fibre pre-form net that is shaped to comprise a hub-forming portion 156 and a flange-forming portion, the continuous fibre pre-form net comprising continuous fibre reinforcement and a common support layer to which the continuous fibre reinforcement is secured by being stitched thereto; placing the continuous fibre pre-form net into a mould, the mould being shaped such that the hub-forming portion forms a tubular hub portion which extends along a central axis and the flange-forming portion forms a flange portion which extends from the hub portion at an angle to the central axis; and introducing polymer into the mould so as to form a composite connector comprising the flange portion and the hub portion.