公开(公告)号：US20190299543A1

公开(公告)日：2019-10-03

申请号：US15937009

申请日：2018-03-27

Applicant: Bell Helicopter Textron Inc.

Inventor： Michael Dean Dearman ,  Jared Mark Paulson ,  Paul K. Oldroyd ,  Paul Sherrill

IPC: B29C70/44 ,  B29C35/02 ,  B29C33/44 ,  B29C53/82 ,  B29C33/38

Abstract: A method for forming composite components includes disposing composite laminate over a mandrel. The method further includes infusing the composite laminate with a resin. A gelation of the infused resin is caused by applying a first environmental condition to the composite laminate and mandrel. At least a portion of the mandrel is deformed by applying a second environmental condition to the composite laminate and mandrel. The method further includes forming a composite structure by curing the composite laminate infused with resin. The deformed mandrel is removed from the composite structure after forming the composite structure.

公开(公告)号：US20190277343A1

公开(公告)日：2019-09-12

申请号：US15916134

申请日：2018-03-08

Applicant: Bell Helicopter Textron Inc.

Inventor： Tyler Wayne Baldwin ,  Ryan T. Ehinger ,  Jared Mark Paulson ,  Michael Christopher Burnett ,  Kyle Thomas Cravener

IPC: F16D3/62 ,  B64C11/02 ,  F16C7/04

Abstract: A link includes an outer composite portion substantially encircling at least two bearing pockets and a central substantially incompressible portion disposed between the at least two bearing pockets.

公开(公告)号：US20190118523A1

公开(公告)日：2019-04-25

申请号：US15788506

申请日：2017-10-19

Applicant: Bell Helicopter Textron Inc.

Inventor： Thomas S. Chiang ,  Jared Mark Paulson

IPC: B32B43/00 ,  B32B38/00 ,  B32B37/12 ,  B64C11/26 ,  B64C11/20 ,  B64D15/12

Abstract: An intentionally activated frangible bonding system comprises a frangible adhesive, adhesive primer, composite material matrix, and/or the like, having a polydispersion of at least one additive spread throughout the frangible bonding material. The additive degrades a bond provided by the frangible bonding material, upon application of a specific energy to the frangible bonding material. An energy emitter is configured to selectively direct the specific energy toward a structure or assembly comprising components bonded by the frangible bonding material to degrade the frangible bonding material bonding the components for disassembly.

公开(公告)号：US20190016454A1

公开(公告)日：2019-01-17

申请号：US15648650

申请日：2017-07-13

Applicant: Bell Helicopter Textron Inc.

Inventor： Kyle Thomas Cravener ,  Amarjit Kizhakkepat ,  Ken Shundo ,  Jared Mark Paulson ,  Tyler Wayne Baldwin

IPC: B64C29/00 ,  F16C23/04 ,  F16C27/02 ,  F16C33/20

CPC classification number: B64C29/0033 ,  B64C27/35 ,  B64C27/54 ,  F16C23/045 ,  F16C27/02 ,  F16C27/063 ,  F16C33/203 ,  F16C33/22 ,  F16C2326/43

Abstract: A proprotor system for a tiltrotor aircraft having a helicopter flight mode and an airplane flight mode. The proprotor system includes a yoke having a plurality of blade arms with inboard pockets. A centrifugal force and shear bearing assembly is disposed in each of the inboard pockets of the yoke. Each of a plurality of proprotor blades is coupled to the yoke by one of the bearing assemblies such that each proprotor blade has a pitch change degree of freedom about a pitch change axis and a tilting degree of freedom about a focal point. Each bearing assembly includes a centrifugal force bearing coupled to the yoke, a shear bearing coupled to the yoke and an inboard beam coupled between the centrifugal force bearing and the shear bearing. Each inboard beam is coupled to a respective proprotor blade.

公开(公告)号：US20180362153A1

公开(公告)日：2018-12-20

申请号：US15627819

申请日：2017-06-20

Applicant: Bell Helicopter Textron Inc.

Inventor： Jared Mark Paulson ,  Bryan Marshall ,  Christopher E. Foskey

IPC: B64C27/00 ,  B64C27/473 ,  B64C27/82 ,  F03D13/35

Abstract: The present invention includes a balancing system that includes a weight box, mounted substantially within the rotor-blade spar, flush with a rotor-blade spar outer surface, operably accessible from a rotor-blade tip, and retained within the rotor-blade spar by a weight-box retention pin, one or more weight-box contact surfaces bonded to a rotor-blade-spar inner surface, or a weight-box lip providing a bearing contact with an edge of a spar rotor-blade spar cutout; and a weight package attached to the weight box, the weight package including a weight-box cover, two or more weight guide-rods attached to the weight-box cover, wherein one of the two or more weight guide-rods is positioned forward of a pitch change axis or center of twist and wherein one of the two weight guide-rods is positioned aft of the pitch change axis or center of twist, and one or more balance weights mounted on the weight guide-rods.

公开(公告)号：US09981736B2

公开(公告)日：2018-05-29

申请号：US15156224

申请日：2016-05-16

Applicant: Bell Helicopter Textron Inc.

Inventor： Jared Mark Paulson ,  Paul K. Oldroyd ,  Christopher Foskey

IPC: B64C27/52 ,  B64C11/28 ,  B64C11/26 ,  B64C29/00

CPC classification number: B64C11/28 ,  B64C11/26 ,  B64C27/473 ,  B64C27/50 ,  B64C29/0033 ,  B64C2027/4736

Abstract: A tiltrotor aircraft includes a fuselage, a wing member extending from the fuselage, an engine disposed relative to the wing member, a rotor hub assembly mechanically coupled to the engine and a plurality of proprotor blade assemblies rotatably mounted to the rotor hub assembly and operable for beamwise folding relative thereto. The proprotor blade assemblies each including a spar and a sheath extending spanwise along a leading edge of the spar. The spar has a root section, a main section and a tip section. The spar has a generally oval cross section at radial stations along the main section of the spar with the root section of the spar forming an integral tang assembly operable for coupling the spar to the rotor hub assembly.

公开(公告)号：US20180135728A1

公开(公告)日：2018-05-17

申请号：US15350338

申请日：2016-11-14

Applicant: Bell Helicopter Textron, Inc.

Inventor： Jared Mark Paulson ,  Bryan Marshall ,  Paul Sherrill ,  Bryan Judd

IPC: F16F15/32 ,  B64C11/20 ,  B64C27/473 ,  B64C29/00 ,  B64C27/04 ,  F16F15/34

Abstract: A weight system for a rotor blade includes a weight box open in an outboard direction, a weight guide rod connected to the weight box, the weight guide rod extending in a spanwise direction through an interior of the weight box, and a span balance weight disposed within the weight box, the span balance weight being captured between the weight guide rod and the weight box.

公开(公告)号：US11919620B2

公开(公告)日：2024-03-05

申请号：US16247736

申请日：2019-01-15

Applicant: Bell Helicopter Textron Inc.

Inventor： Jared Mark Paulson

IPC: B64C11/28 ,  B64C11/46 ,  B64C27/50 ,  B64C29/00

CPC classification number: B64C11/28 ,  B64C11/46 ,  B64C27/50 ,  B64C29/0033

Abstract: A spar assembly has a spar having a tip comprising a most outboard portion of the spar, a root comprising a most inboard portion of the spar, a main section disposed inboard relative to the tip, and a middle section disposed inboard relative to the main section. The spar also has a transition section disposed between the main section and the middle section and the transition section has an outboard interface cross-sectional shape and an inboard cross-sectional shape that is different than the outboard interface cross-sectional shape.

公开(公告)号：US11565800B2

公开(公告)日：2023-01-31

申请号：US16048869

申请日：2018-07-30

Applicant: Bell Helicopter Textron Inc.

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

IPC: B32B1/08 ,  B64C27/473 ,  B64C3/18 ,  B32B27/08 ,  B29C70/30 ,  B29D23/00 ,  B29L31/08

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：US11440652B2

公开(公告)日：2022-09-13

申请号：US16056610

申请日：2018-08-07

Applicant: Bell Helicopter Textron Inc.

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

IPC: B29C70/30 ,  B64C27/473 ,  B29C70/54 ,  B32B1/08 ,  B32B5/12 ,  B32B5/02 ,  B32B5/26 ,  B32B37/18 ,  B32B38/18 ,  B29C70/32 ,  B29C53/56 ,  B64C11/26 ,  B29K105/08 ,  B29K105/24 ,  B29L31/08

Abstract: Embodiments are directed to systems and methods for creating a tubular composite structure. In one embodiment, a device comprises multiple layers of cured composite fabric bonded together to form a tubular composite structure, wherein alternating groups of the multiple layers comprise on-axis fabric and off-axis fabric. The tubular composite structure may form a spar for an aerodynamic component. The composite fabric may comprise one or more of carbon, fiberglass, or other composite materials, or a combination of materials. One or more stacks of the fabric wrap completely around the tubular composite structure, and other stacks of fabric may not wrap completely around the tubular composite structure.