B64C2001/0072

Automated composite fabrication systems and methods

A system and a method for manufacturing laminated composite components is described. The system may include a cutting station configured to separate component layers from a ply of composition material according to a predefined pattern, a build station configured to stack the component layers according to a predetermined orientation, and a finishing station configured to compact the stacked component layers and provide the laminated composite component to an installation station.

Composite assembly for unhardened fuselage components

Systems and methods are provided for fabricating a preform for a fuselage section of an aircraft. The method includes advancing a series of arcuate mandrel sections in a process direction through an assembly line, laying up fiber reinforced material onto the arcuate mandrel sections via layup stations, uniting the series of arcuate mandrel sections into a combined mandrel; and splicing the fiber reinforced material laid-up onto the arcuate mandrel sections.

MOLD ASSEMBLY FOR MANUFACTURING A COMPOSITE PART WITH A STIFFENER, METHOD OF MANUFACTURING A COMPOSITE PART AND COMPOSITE PART WITH A STIFFENER
20230068241 · 2023-03-02 ·

A mold assembly for manufacturing a composite part with a stiffener, the mold assembly includes a bottom mold configured to form a first surface of the composite part, wherein the bottom mold has at least one elongated recess configured to form a stiffener in the composite part; a feeder unit having a shape corresponding to the at least one elongated recess, wherein the feeder unit is configured to fit at least partially into the at least one elongated recess; and a top mold configured to form a second surface of the composite part opposite to the first surface. Also a method of manufacturing a composite part using such a mold assembly, which includes draping a flat laminate over the bottom mold and pushing portions of the laminate into the at least one elongated recess.

APPARATUS AND METHOD TO ENABLE IN-PLANE BENDING OF HIGH CONTOUR COMPOSITE STRUCTURES IN POST-FORMING OPERATIONS

There is provided a forming apparatus for forming a high contour composite structure. The forming apparatus includes an upper die and a lower die between which a composite charge is formed. The forming apparatus further includes a plurality of load cells, a control system, and an overlay tool assembly coupled to the upper die. The overlay tool assembly has scalloped sections positioned between pairs of the plurality of load cells, and positioned against portion(s) of the composite charge. The composite charge has ply discontinuity features through the one or more portions. The overlay tool assembly denies pressure and a through thickness compaction to the one or more portions of the composite charge during a forming process, to allow one or more plies in the one or more portions to move after the forming process, and to enable in-plane bending of the high contour composite structure in post-forming operations.

UTILIZING A CUSTOMIZABLE FUSELAGE ASSEMBLY FOR AN UNMANNED AERIAL VEHICLE

An unmanned aerial vehicle (UAV) includes a fuselage assembly, a further portion that attaches with the fuselage assembly, and a propulsion assembly coupled with the further portion. The propulsion assembly is constructed and arranged to provide propulsion for the UAV. The fuselage assembly includes a fuselage body constructed and arranged to operate as a forward portion of the UAV, lateral stringers coupled with the fuselage body and extending laterally along the fuselage body, and a set of interchangeable covers to cover at least a portion of a payload bay opening defined by the fuselage body. Utilizing such a fuselage assembly offers a highly configurable mounting architecture to accommodate a wide variety of payloads.

Structural arrangement with a fiber reinforced polymer component and a cold gas sprayed electrically conductive layer
11629411 · 2023-04-18 · ·

A structural arrangement comprising a fiber reinforced polymer component, a cold gas spraying electrically conductive layer, and a polyether sulfone foil arranged on the fiber reinforced polymer component, at least in a region between the fiber reinforced polymer component and the cold gas sprayed electrically conductive layer.

Composite plank support for stringer panel
11628922 · 2023-04-18 · ·

Provided are stiffened stringer panels with integrated plank structures. An example composite panel comprises a skin member having an inner surface, and a plank on the inner surface. The plank comprises a set of layered laminate plies and extends from a first side to a second side. Each laminate ply of the set of layered laminate plies is sized to form a desired geometric profile for each of the first side and the second side. The composite panel further comprises a stringer including a cap portion that spans from the first side of the plank to the second side of the plank to form a first flange portion and a second flange portion, respectively, on the inner surface of the skin member. Base segments of the cap portion conform to the desired geometric profile of respective first and second sides of the plank.

Contoured composite stringers

Aircraft that incorporates a rounded-hat composite stringer connected to an inner side of the skin of the aircraft to form an elongate conduit that defines a conduit axis, where the conduit axis includes at least one curving portion. The rounded-hat composite stringer can be manufactured by constructing a lower forming die and an upper forming die, each forming die having a length and defining a curve along at least a portion of the length of the die, cutting a pre-cured flat composite charge dimensioned to form the rounded-hat composite stringer, pressing the flat composite charge between the lower and upper forming dies to shape the composite charge into a pre-formed stringer having an inner side between curved fillet portions, contacting a forming member against the inner side of the pre-formed stringer, applying radius fillers to the curved fillet portions of the pre-formed stringer, curing the pre-formed stringer, and removing the forming member from the cured stringer.

Jet engine with toroidal air stream combustion

An electrically decoupled jet engine. The electrically decoupled jet engine includes a combustion chamber which creates a toroidal flow of air and a rotational electric motor which drives a fuel supply into the combustion chamber. The toroidal flow of air is mixed with the fuel and combusted in the combustion chamber to create thrust.

AEROSPACE COMPONENT JOINTS FOR AIRCRAFT AND RELATED METHODS

The aerospace component joints comprise a first component member comprising a first bonding face, a second component member comprising a second bonding face, one or more bond-enhancing features, and an adhesive layer forming a bond between the first and second bonding faces. The one or more bond-enhancing features comprises a plurality of reinforcing protrusions integral with the first component member, projecting from the first bonding face through the adhesive layer, and into the component member and/or one or more adhesive-receiving recesses defined in the first or second bonding faces and filled by the adhesive layer. The methods of preparing a component member for an aerospace component joint comprise integrating one or more bond-enhancing features into the component member. The methods of forming the aerospace component joint comprise positioning and adhesive-bonding the first bonding face to the second bonding face, and integrating the bond-enhancing feature(s) into the aerospace component joint.