Patents Assigned to Bell Helicopter Textron, Inc.
  • Publication number: 20200026811
    Abstract: A method of operating a targeting system simulation tool (TSST) includes providing a TSST configured to receive an obstacle/effect parameterization, a simulation parameterization, a sensor parameterization, an aircraft parameterization, and an autonomy parameterization. The method further includes receiving by the TSST, at least one of each of an obstacle/effect parameterization and a simulation parameterization. The method further includes receiving by the TSST, either (1) a sensor parameterization or (2) an aircraft parameterization. The method further includes operating the TSST to apply the provided ones of the obstacle/effect parameterization, simulation parameterization, sensor parameterization, and aircraft parameterization to generate a value, value range, or value limit for the unprovided aircraft parameterization or unprovided sensor parameterization.
    Type: Application
    Filed: March 5, 2019
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Michael McNair, Brent Chadwick Ross, Christopher Stroncek, Kip Gregory Campbell, Joseph Scott Drennan, Brett Zimmerman, Carey Cannon
  • Publication number: 20200025661
    Abstract: A notch treatment method for flaw simulation including providing the specimen with the notch, the notch having a re-melt material layer; isolating the notch; and selectively etching the notch to provide an etched surface of the notch; wherein at least a portion of the re-melt material layer has been removed from the notch. In one aspect, there is provided a notch treatment method for flaw simulation including providing the specimen with the notch, the notch having a re-melt material layer, the specimen includes steel or an alloy thereof; isolating the notch; and selectively etching the notch with a first etching solution and a second etching solution to provide an etched surface on the notch; wherein at least a portion of the re-melt material layer has been removed from the notch.
    Type: Application
    Filed: September 7, 2018
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Xiaoming Li, Bogdan R. Krasnowski, Robert A. Figueroa, Robert Wardlaw
  • Publication number: 20200023958
    Abstract: A method of providing an anti-torque force in a rotorcraft with an anti-torque system comprised of a primary ducted tail rotor system mechanically connected to an engine, and a secondary ducted tail rotor system electrically connected to an electric power supply. The method includes receiving an indication of a change in the operating condition of the anti-torque system based upon a change in a rotorcraft condition input, a feedback input associated with a primary ducted tail rotor system and/or a secondary ducted tail rotor system, and/or a pilot input; responsive to the indication of the change, determining, by a control system, an anti-torque control input including at least a secondary output command for controlling the secondary ducted tail rotor system; and transmitting the secondary output command to the secondary ducted tail rotor system to energize at least one ducted tail rotor assembly therein to provide the second anti-torque force.
    Type: Application
    Filed: April 30, 2019
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Aaron A. Acee, Albert G. Brand, Frank B. Stamps
  • Publication number: 20200023946
    Abstract: A pylon assembly for a tiltrotor aircraft includes a rotor assembly rotatably coupled to a fixed pylon and operable to rotate between a vertical takeoff and landing orientation and a forward flight orientation. The rotor assembly includes a proprotor operable to produce a slipstream. A wing extension is rotatably disposed to the outboard end of the fixed pylon such that the rotor assembly and the wing extension are separated by at least a portion of the fixed pylon. The wing extension has a forward edge and an outboard end. A winglet is coupled to the outboard end of the wing extension and has a forward edge. The wing extension and the winglet are configured to rotate in synchrony with the rotor assembly such that the forward edges of the wing extension and the winglet remain in the slipstream of the proprotor.
    Type: Application
    Filed: March 9, 2019
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Adam Bryant Anderson, Steven Ray Ivans, Jeremy Robert Chavez
  • Publication number: 20200023829
    Abstract: Systems and methods include providing vertical takeoff and landing (VTOL) aircraft with a cargo pod having a selectively inflatable bladder system that firmly secures a payload disposed within the cargo pod when the bladder system is pressurized. The bladder system also controls the location, position, and/or orientation of the payload in order to adjust, control, and/or maintain the center of gravity of the aircraft during flight. The aircraft includes an impact protection system that further pressurizes the bladder system to protect the payload and/or that disperses a flame-retardant fluid into the cargo pod to protect electrical components of the aircraft. The aircraft is fully autonomous and self-directed via a preprogrammed location-based guidance system to allow for accurate delivery of the payload to its intended destination. The bladder system is depressurized in response to a landing event to allow for e f the payload from the cargo pod.
    Type: Application
    Filed: July 20, 2018
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Levi Charles Hefner, John Richard McCullough
  • Publication number: 20200023954
    Abstract: A composite yoke includes a plurality of packs of unidirectional plies and at least one pack of chopped fibers disposed between two adjacent packs of unidirectional plies. A method of manufacturing a composite yoke includes arranging a plurality of plies of unidirectional fibers to form a first pack of unidirectional plies, arranging a layer of chopped fibers on the first pack of unidirectional plies, arranging a plurality of plies of unidirectional fibers on to form a second pack of unidirectional plies on the layer of chopped fibers, curing the composite yoke to form a cured composite yoke, and cutting excess material from the first pack of unidirectional plies, the layer of chopped fibers, and the second pack of unidirectional plies to form a plurality of arms.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Amarjit Kizhakkepat, Tyler Wayne Baldwin, Michael Dearman, Abey Kurikesu
  • Publication number: 20200023988
    Abstract: A boundary layer utilization apparatus for intake of air to a high speed aircraft, comprises a first air inlet adjacent an exterior surface of a fuselage of the aircraft and offset from the fuselage enough to integrate a second air inlet in the offset space to ingest and divert the boundary layer air flowing next to the fuselage into the aircraft for a useful purpose such as cooling the engine compartment. The second air inlet is disposed aft of the first air inlet to minimize hot gas re-ingestion.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 23, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Thomas Dewey Parsons, Angel David Rosado, Robert Paul Reynolds, David Frank Haynes, William Mathisen Gons
  • Patent number: 10539180
    Abstract: A door roller mechanism for cooperation with a roller track including a carriage member having a door attachment feature; at least one roller disposed for rotation on a first side of the carriage member when the carriage member moves in the rolling direction; at least one roller disposed for rotation on an opposite second side of the carriage member when the carriage member moves in the rolling direction; a first rub member disposed on the first side of the carriage; a second rub member disposed on the second side of the carriage; and at least one biasing element disposed on the carriage member for resiliently biasing the first rub member and the second rub member in opposite lateral directions so as to contact a respective first track surface and a second track surface in a manner to dampen lateral vibration of a door connected to the roller mechanism.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: January 21, 2020
    Assignee: Bell Helicopter Textron Inc.
    Inventors: Nick Pravanh, Michael E. Rinehart, Bart Shafer, Clegg Smith, Jeffrey M. Williams
  • Publication number: 20200017229
    Abstract: Systems and methods include providing an aircraft with a fuselage and a convertible engine disposed within the fuselage. The convertible engine is operable as a turbofan engine in a thrust mode and a turboshaft engine in a shaft power mode. The convertible engine includes a housing, an engine core having a low pressure turbine shaft, and a bypass fan system. The bypass fan system includes a bypass fan having a fan clutch. The fan clutch selectively couples at least a portion of the bypass fan to the low pressure turbine shaft when the convertible engine is operated in the thrust mode and decouples at least a portion of the bypass fan from the low pressure turbine shaft when the convertible engine is operated in the shaft power mode.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Alan Hisashi Steinert, Thomas Dewey Parsons, Troy Cyril Schank
  • Publication number: 20200017211
    Abstract: An unmanned aircraft system includes a flying wing airframe having leading and trailing edges with respective sweep angles. A thrust array is coupled to the airframe and includes first and second motor mounts each rotatably coupled to the leading edge. Each motor mount has first and second propulsion assemblies coupled to respective first and second distal ends thereof. A power system is operably associated with the thrust array and is operable to provide power to each propulsion assembly. A flight control system is operably associated with the thrust array and is operable to independently control the speed of each propulsion assembly. In a flight configuration of the system, each motor mount is substantially perpendicular with the leading edge such that the thrust array forms a two-dimensional thrust array. In a compact storage configuration of the system, each motor mount is substantially parallel with the leading edge.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Levi Charles Hefner, Dakota Charles Easley
  • Publication number: 20200017213
    Abstract: An unmanned aircraft system includes a flying wing airframe having leading and trailing edges with respective sweep angles. A thrust array is coupled to the airframe and includes first and second motor mounts each selectively rotatably coupled to the leading edge by a locking joint. Each motor mount has first and second propulsion assemblies coupled to respective first and second distal ends thereof. A power system is operably associated with the thrust array and is operable to provide power to each propulsion assembly. A flight control system is operably associated with the thrust array and is operable to independently control the speed of each propulsion assembly. In a flight configuration, each motor mount is locked substantially perpendicular with the leading edge by the respective locking joint. In a compact storage configuration, each motor mount is locked substantially parallel with the leading edge the respective locking joint.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Levi Charles Hefner, Dakota Charles Easley
  • Publication number: 20200017212
    Abstract: An unmanned aircraft system having a flying wing orientation includes an airframe having leading and trailing edges, a two-dimensional thrust array coupled to the leading edge, a power system and a flight control system operable to independently control the speed of each propulsion assembly of the two-dimensional thrust array.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Dakota Charles Easley, Levi Charles Hefner
  • Publication number: 20200017205
    Abstract: Systems and methods of operating a tiltrotor aircraft include providing the tiltrotor with plurality of rotatable pylon assemblies. Each pylon assembly includes a rotor system having a plurality of rotor blades operatively coupled to a rotor mast and selectively rotatable in response to rotation of the rotor mast, a swashplate assembly operatively coupled to the plurality of rotor blades, a plurality of swashplate actuators operatively coupled to the swashplate assembly and selectively extendable and retractable to control the position and the orientation of the swashplate assembly, and a swashplate augmenting system. The swashplate augmenting system is selectively operable to cause axial translation of the swashplate actuators and swashplate assembly to augment the travel of the swashplate actuators in order to fold the plurality of rotor blades for operating the tiltrotor aircraft in an airplane forward flight mode.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventor: Christopher Edward Foskey
  • Publication number: 20200016847
    Abstract: A material dispensing system including a first frame and a first application head. The first application head supported by the first frame including a first bias ply assembly comprising a bias ply roll supported on a bias ply dispenser unit, the first bias ply assembly configured to pass bias ply material along a bias path; and a first non-bias ply assembly comprising a non-bias ply roll supported by a non-bias ply dispenser unit, the non-bias ply assembly configured to pass non-bias ply material along a non-bias path; wherein the bias path and the non-bias path are substantially parallel. Another aspect provides a material dispensing system including a first frame and a first application head supported thereby; and a second frame and a second application head supported thereby; wherein the first frame and the second frame move in an X direction during operation. Another aspect includes preparing a composite article.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: David G. Carlson, Paul K. Oldroyd, George R. Decker, Doug K. Wolfe
  • Publication number: 20200017203
    Abstract: Systems and methods include providing a coaxial helicopter with a main rotor system having an upper rotor system, a coaxial counter-rotating lower rotor system, and a rotor mast assembly having an upper rotor mast and a coaxial counter-rotating lower rotor mast. The upper rotor system and an associated upper vibration reduction system are coupled to the upper rotor mast. The upper vibration reduction system provides in-plane vibration control and reduction to the upper rotor system. The lower rotor system and an associated lower vibration reduction system are coupled to the lower rotor mast. The lower vibration reduction system provides in-plane vibration control and reduction to the lower rotor system. A third vibration reduction system is coupled to the rotor mast assembly and cooperates with the upper and lower vibration reduction systems to provide total in-plane vibration control and reduction to the main rotor system.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 16, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Frank Bradley Stamps, Eric Gonzalez, Michael R. Smith
  • Patent number: 10533603
    Abstract: A door track assembly for cooperation with a door roller mechanism, including a housing having a longitudinal channel along a length of the housing, wherein the channel descends at an end of the housing to form a stowage recess for the door roller mechanism, and a first track and a second track that are disposed on the housing along a length of the channel and that descend into the stowage recess and along which the door roller mechanism traverses.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: January 14, 2020
    Assignee: Bell Helicopter Textron Inc.
    Inventors: Nick Pravanh, Michael E. Rinehart, Bart Shafer, Clegg Smith, Bruce B. Bacon
  • Publication number: 20200010183
    Abstract: A method of blade fold for a tiltrotor aircraft includes configuring the tiltrotor aircraft in a flight ready position with a rotor system in an inverted-Y position, unlocking a first rotor blade of the rotor system to permit the first rotor blade to pivot relative to a yoke of the rotor system, restraining the first rotor blade to allow the first rotor blade to pivot relative to the yoke as the yoke is rotated, rotating the rotor system in a first direction so that the first rotor blade pivots closer to a second rotor blade, rotating the rotor system in a second direction to orient the rotor system into a modified inverted-Y position, unlocking a third rotor blade to allow the third rotor blade to pivot relative to the yoke as the yoke is rotated, and rotating the rotor system in the second direction so that the third rotor blade pivots closer to the second rotor blade.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 9, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Amarjit KIZHAKKEPAT, Glenn Alan SHIMEK
  • Publication number: 20200001987
    Abstract: A vibration attenuation system for attenuating vibrations in a mast of an aircraft includes a weight attached to the mast but free to orbit about the mast. The weight can be comprised of one or more weight assemblies. Embodiments can include a single weight, or plural weight assemblies wherein each weight assembly can include a mechanical interconnecting mechanism so that each weight assembly receives feedback regarding the position and movement of one or more other weight assemblies. Each weight can be associated with a spring that urges the weight towards a neutral position. Rotation of the mast can cause the weight to orbit about the mast and self-excite such that the weight acts against the urging of the spring towards an attenuating position.
    Type: Application
    Filed: March 14, 2017
    Publication date: January 2, 2020
    Applicant: Bell Helicopter Textron, Inc.
    Inventors: Jouyoung Jason CHOI, David HEVERLY, Michael SEIFERT, Michael SMITH, Frank Brad STAMPS, Thomas PARHAM, JR., Amarjit Olenchery KIZHAKKEPAT
  • Publication number: 20200001988
    Abstract: The aircraft includes a rotor. The rotor includes a plurality of rotor blades. The aircraft further includes a non-rotating aircraft component. A proximity sensor is disposed with at least one of the non-rotating aircraft component and the rotor blades. A flight control computer is electrically coupled to the proximity sensor.
    Type: Application
    Filed: July 2, 2018
    Publication date: January 2, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Kyle Thomas Cravener, Paul Sherrill
  • Publication number: 20200003295
    Abstract: A drive system for a tiltrotor aircraft operable to transition between rotary and non rotary flight modes. The drive system includes an engine to provide rotational energy and a proprotor assembly to receive rotational energy from the engine when the tiltrotor aircraft is in the rotary flight mode. The proprotor assembly is disengaged from the engine in the non rotary flight mode. The drive system includes a proprotor gearbox including one or more gears mechanically interposed between the engine and the proprotor assembly. The proprotor gearbox transfers rotational energy from the engine to the proprotor assembly when the tiltrotor aircraft is in the rotary flight mode. The drive system includes a lubricant operable to reduce friction between the gears and a lubrication management system to affect a temperature of the lubricant to enhance lubrication between the gears in the proprotor gearbox in the rotary flight mode.
    Type: Application
    Filed: July 2, 2018
    Publication date: January 2, 2020
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Thomas Dewey Parsons, Troy Cyril Schank