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Textron Inc patents


Recent patent applications related to Textron Inc. Textron Inc is listed as an Agent/Assignee. Note: Textron Inc may have other listings under different names/spellings. We're not affiliated with Textron Inc, we're just tracking patents.

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Latch system with position hold

A latch system has a pin movable along a pin axis, a control rod connected to the pin, a control wall comprising a control aperture comprising a lock hole joined to an unlock hole by a rod channel, and a control knob biased toward the pin, wherein the control knob comprises a lock tip sized to fit within each of the lock hole and the unlock hole.. . ... Textron Inc

Modular latch system

A modular latch system has an activation module comprising an activation rod, a latch module comprising a biased latch, and a control cable connecting the activation module to the latch module so that rotation of the activation rod can retract the latch.. . ... Textron Inc

Flexible aircraft seat configurations

In one embodiment, an apparatus may comprise: a floor panel for a rotorcraft; one or more puck fasteners in the floor panel, wherein each puck fastener comprises an attachment fitting and a plurality of internal flanges, wherein the plurality of internal flanges within each puck fastener are adjacent; and one or more seating fixtures coupled to the floor panel using the one or more puck fasteners.. . ... Textron Inc

Flexible foldover seat configurations for emergency egress of aircraft

In one embodiment, an apparatus may comprise: a floor panel for a rotorcraft; and a plurality of passenger seats coupled to the floor panel, wherein: the plurality of passenger seats is arranged into a plurality of seating rows; and the plurality of passenger seats comprises one or more foldover seats arranged to facilitate access to one or more exits of the rotorcraft.. . ... Textron Inc

Teetering rotor hub system

The present invention includes a rotor hub system, comprising: a teetering rotor hub disposed about a mast, the teetering rotor hub comprising: a first and a second yoke; each connected to a set of rotor blades, wherein the second set of rotor blades and the first set of rotor blades are disposed in a common plane, but the first and the second yoke do not come in contact.. . ... Textron Inc

Puck attachment mechanism for flexible aircraft configuration

In one embodiment, an apparatus may comprise an attachment device configured to be embedded in a structure, wherein the attachment device comprises: a body comprising a first flange and a second flange, wherein the body is configured such that the first flange and the second flange are coupled together internally within the body when the attachment device is embedded in the structure; an attachment fitting for coupling a component to the structure in which the attachment device is embedded.. . ... Textron Inc

Cable puller

A cable puller in accordance with some example embodiments is configured to pull rope or cable through a conduit. The cable puller includes a puller frame having a first side and a second opposite side, first and second capstans rotatably mounted on the frame, and a motor operatively coupled to the first and second capstans and configured to rotate the first and second capstans. ... Textron Inc

Conduit attachment system for a cable puller

A conduit attachment system according to some embodiments of the disclosure is configured to be attached to a cable puller for securing the cable puller to a threaded conduit. The attachment system includes a mounting member configured to be attached to the cable puller, an engaging member attached to the mounting member, and a clamp plate attached to the mounting member, the clamp plate configured to be inserted into a passageway of the conduit and configured to bear against an inner surface of the conduit which forms the passageway. ... Textron Inc

Super capacitor based emergency lighting system

An emergency lighting system (els) for an aircraft has a capacitor, at least one of an onboard power system and a ground power unit configured to charge the capacitor, and a light emitting diode (led) selectively powered by the capacitor.. . ... Textron Inc

Rotor assembly with high lock-number blades

An aircraft rotor assembly has a central yoke and a plurality of rotor blades coupled to the yoke for rotation with the yoke about an axis, each blade having a lock number of approximately 5 or greater. A lead-lag pivot for each blade is a radial distance from the axis and allows for in-plane lead-lag motion of the associated blade relative to the yoke, each pivot allowing for in-plane motion from a neutral position of at least 1 degree in each of the lead and lag directions. ... Textron Inc

Forward folding rotor blades

A rotor blade rotation system includes two or more rotor blades, each rotor blade in mechanical communication with a hub and pivotable about an axis of rotation, a bearing plate comprising a rotating portion and a non-rotating portion, a fold linkage coupled to the rotating portion of the bearing plate and in mechanical communication with the rotor blade, and an actuator coupled to the non-rotating portion of the bearing plate and operable to reposition the bearing plate from a first position to a second position such that the folding links pivot the rotor blades from a deployed position to a forward folded position.. . ... Textron Inc

Controlling an electric brake of a utility vehicle which has a lithium battery management system

A motion control system controls movement of a utility vehicle. The motion control system includes an electric brake that (i) provides mechanical resistance which inhibits a motor of the utility vehicle from turning when the electric brake is unpowered and (ii) removes the mechanical resistance to allow the motor of the utility vehicle to turn when power is provided to the electric brake. ... Textron Inc

Controlling electrical access to a lithium battery on a utility vehicle

A battery management system (bms) controls lithium battery access on a utility vehicle. The bms includes a battery interface that couples with a lithium battery, a load interface that couples with a set of loads of the utility vehicle, and control circuitry coupled with the battery interface and the load interface. ... Textron Inc

Charging a lithium battery on a utility vehicle

A charging system charges a lithium battery of a utility vehicle. The charging system includes a receptacle configured to couple with an external charger, a lithium battery configured to provide lithium battery power to a set of electrical loads of the utility vehicle, and control circuitry coupled with the receptacle and the lithium battery. ... Textron Inc

07/05/18 / #20180186241

Handling a fault condition on a lithium-battery-powered utility vehicle

A control system for handling a fault condition on a utility vehicle includes a lithium battery, a contactor configured to control electrical access to the lithium battery, and control circuitry coupled with the lithium battery and the contactor. The control circuitry is configured to detect, while the contactor is closed to provide a set of loads of the utility vehicle with electrical access to the lithium battery, onset of a fault condition. ... Textron Inc

06/28/18 / #20180178915

Seat footrest

A seat footrest includes a footpad having a supporting plate under a cushioned top side, an arcuate member mechanically coupled to the plate by a first end and pivotally coupled to a seat frame by a second end. The arcuate member is adapted for pivoting the footpad between a stowed position and one or more deployed positions. ... Textron Inc

06/21/18 / #20180172642

Through-transmission ultrasonic testing apparatus

A testing apparatus, inspection system, and method for through-transmission ultrasonic testing. The testing apparatus includes a yoke having a support member with a pair of hinge joints, each hinge joint located on an end of the support member; a pair of arms extending from the support member having a hinge end and a pivotable transducer end, each arm being coupled to the hinge joint at the hinge end and extending to the pivotable transducer end; a pair of transducer support members disposed on each of the pivotal transducer ends; and a tension member connected to the pair of arms for aligning the pair of transducer support members during testing.. ... Textron Inc

06/21/18 / #20180172568

Disk bending shear testing and system

A method for determining a shear property of a sample includes supporting a sample at three or more separate support locations about a periphery of a first surface of the sample in a testing fixture, the sample including a second surface separated from the first surface by a thickness, wherein the sample is axisymmetric about an axis that is orthogonal to the first surface. The method includes applying a load on the second surface of the sample with a load applicator in a direction substantially parallel with the axis, measuring, with a controller, shear testing data of the sample in response to applying the load, and determining, with the controller, a shear property of the sample from the measured shear testing data.. ... Textron Inc

06/21/18 / #20180170569

Engine cooling systems for aircraft

An engine cooling system for a rotorcraft includes an engine having an engine cooling circuit, a hydraulic pump powered by the engine to pump hydraulic fluid, and a hydraulic circuit in fluid communication with the hydraulic pump and the engine cooling circuit, the hydraulic circuit including at least one hydraulic-powered component. The hydraulic pump is adapted to pump the hydraulic fluid through both the hydraulic circuit and the engine cooling circuit, thereby cooling the engine.. ... Textron Inc

06/21/18 / #20180170534

Rotor hub bearing system

The bearing system is configured for treating and reacting dynamic loading within a rotor hub of rotorcraft. The bearing system includes an outer member having a plurality of alternating outer elastomeric layers and shim layers. ... Textron Inc

06/21/18 / #20180169954

Additive manufacturing method for improved core structure

An additive manufacturing method for improved core structure includes splitting a computational model into sequentially queued individual model segments based on a predetermined number of slices with a predetermined orientation, and building a part in layers applied sequentially to form a final part having a core portion supported with a custom in-fill pattern. An additive manufacturing system for providing an improved core structure supported by a custom in-fill pattern includes a controller having instructions for individual model segments based on slices of a solid model, and a 3d printer for sequentially printing individual model segments in adjacent layers. ... Textron Inc

06/21/18 / #20180169882

System and method of post-cure processing of composite core

A method of cutting a wafer of composite core from a bulk composite core includes stabilizing the bulk composite core with a fixture, the bulk composite core having a plurality of tube members. The method also includes cutting through each of the tube members to create the wafer while the bulk composite core is stabilized by the fixture.. ... Textron Inc

06/14/18 / #20180166867

Cable stripper having an adjustable bushing

A cable stripper is provided which has an adjustable bushing which can be adjusted to accept a variety of differently size cables. The cable stripper is rotated around the cable to strip the insulation from a cable. ... Textron Inc

06/14/18 / #20180165897

Diagnostic method, system and device for a rotorcraft drive system

There is a method, system, and device for diagnosing an anomaly of a monitored component in a drive train, the method including obtaining original data based on samples of a vibration signal and a tachometer signal; generating a time synchronous average vibration signal; processing the time synchronous average vibration signal to produce a frequency-domain spectrum; determining the complex magnitudes of the frequency-domain spectrum; selecting a sub-synchronous band of the complex magnitudes of the frequency-domain spectrum to generate a sub-synchronous spectrum; and determining the mean of the sub-synchronous spectrum to generate a condition indicator.. . ... Textron Inc

06/14/18 / #20180163795

Drivetrain subassembly having an integrated sprag clutch race and gear shaft member

A drivetrain subassembly includes a clutch portion and a gear shaft portion connected by an integrated inner race/gear shaft member. The clutch portion includes a sprag clutch configured to transfer torque from an engine to a rotor system while allowing the rotor system to continue to rotate in the event of an engine failure. ... Textron Inc

06/14/18 / #20180163777

Bearing liner for accommodating thermal expansion and transmission system incorporating the same

A bearing liner allows a bearing to be mounted to a bearing housing even where the coefficients of thermal expansion of the bearing and the housing are different. The bearing liner includes a body portion and a mounting portion. ... Textron Inc

06/14/18 / #20180162548

Diagnostic method, system and device for a rotorcraft drive system

A method, system, and device for diagnosing an anomaly of a monitored component in a drive train, the method including: obtaining original data based on samples of a tachometer signal; processing the original data to obtain rotational information; processing the original data to produce a sine spectrum; determining complex magnitudes of the sine spectrum; removing dominate torsional mode residuals from the complex magnitudes of the sine spectrum to produce a frequency spectrum; and determining a condition indicator from the frequency spectrum.. . ... Textron Inc

06/14/18 / #20180162532

Multi-rail galley

A multi-rail galley includes a countertop on top of a first storage portion, and a second storage portion above the countertop. The countertop includes a first plurality of rails on a top surface that are configured for receiving at least one countertop insert. ... Textron Inc

06/14/18 / #20180162526

Proprotor systems for tiltrotor aircraft

A proprotor system for tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub and a plurality of proprotor blades coupled to the hub such that each proprotor blade is operable to independently flap relative to the hub about a flapping axis and independently change pitch about a pitch change axis. ... Textron Inc

06/14/18 / #20180162524

Gear shaft for accommodating thermal expansion and transmission system incorporating the same

A gear shaft allows a ceramic bearing to be used in environments where gear steel is desirable for driving a gear. The gear shaft includes a gear region and a bearing region. ... Textron Inc

06/14/18 / #20180162520

Soft-in-plane proprotor systems

A soft-in-plane proprotor system for a tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub, a plurality of proprotor blades and a plurality of blade support assemblies coupling the proprotor blades with the hub. ... Textron Inc

06/14/18 / #20180162519

Soft-in-plane proprotor systems

A soft-in-plane proprotor system for a tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub, a plurality of proprotor blades and a plurality of loop yokes, each coupling one of the proprotor blades with the hub and each including first and second longitudinal sections extending between inboard and outboard arcuate sections and a bearing assembly disposed between the inboard and outboard arcuate sections of each loop yoke. ... Textron Inc

06/14/18 / #20180162518

Loop yoke for proprotor systems

A yoke for providing a centrifugal force retention load path between a proprotor blade and a hub of a soft-in-plane proprotor system operable for use on a tiltrotor aircraft. The yoke includes a continuous loop having a longitudinal axis and first and second longitudinal sections extending between inboard and outboard arcuate sections. ... Textron Inc

06/07/18 / #20180157275

High authority stability and control augmentation system

A system and method of increasing the control authority of redundant stability and control augmentation system (scas) actuators by utilizing feedback between systems such that one system may compensate for the position of a failed actuator of the other system. Each system uses an appropriate combination of reliable and unreliable inputs such that unreliable inputs cannot inappropriately utilize the increased authority. ... Textron Inc

06/07/18 / #20180155015

Automatic, active blade tracking and balance system

The present invention includes an apparatus and method for automatically adjusting the tracking of one or more blades comprising: a blade tracking adjustment mechanism connected to one or more blades of an aircraft; a blade tracking measurement system that measures the tracking of the one or more blades; and a computer that receives an output from the blade tracking measurement system with tracking information for each of the one or more blades; wherein the computer outputs instructions for the blade tracking adjustment mechanism to change a pitch of one or more of the blades to correct blade tracking.. . ... Textron Inc

06/07/18 / #20180155003

Adjustable hinge

A hinge has a door interface comprising a serrated surface and an oversized hole, a bolt at least partially extending into the oversized hole, and a washer disposed on the bolt and captured between the door interface and a head of the bolt, the washer comprising a serrated surface facing toward the serrated surface of the door interface. The oversized hole has a diameter selected to allow significant radial movement of the bolt within the oversized hole.. ... Textron Inc

05/31/18 / #20180148160

Rotor blade having variable twist

A rotor blade including a root portion adapted to be connected to a helicopter rotor hub for rotation therewith, the root portion having a first edge surface; a first movable member having a first movable surface adjacent to the first edge surface; a first elastomeric joint disposed between the root portion and the first movable member, the first elastomeric joint having an inner surface facing the first edge surface of the root portion and an outer surface facing the movable surface of the first movable member; and an actuating system mounted within the root portion and the first movable member for moving the first movable member. The first elastomeric joint deforms to adjust for shear from actuation of the first movable member to a first position during helicopter mode; and to a second position during airplane mode.. ... Textron Inc

05/24/18 / #20180141654

Proprotor systems for tiltrotor aircraft

A proprotor system for tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub and a plurality of proprotor blades coupled to the hub such that each proprotor blade is operable to independently flap relative to the hub and independently change pitch. ... Textron Inc

05/24/18 / #20180141650

Axial springs for rotor hub assembly

A rotor hub assembly for a rotorcraft includes a yoke forming a bearing bore. The yoke has a teetering axis extending through the bearing bore. ... Textron Inc

05/24/18 / #20180141645

Damper

The present invention includes a damper assembly, method and kit to provide dampening to an airframe comprising: a mass to dampen the vibration of the airframe; one or more wire rope isolators having a first and a second portion, wherein the mass is attached to the one or more wire rope isolators and the mass is isolated from the airframe by the one or more wire rope isolators; and a first fastener and a second fastener, wherein the first fasteners attaches to the first portion of the wire rope isolator to the mass, and the second fastener attaches the second portion of the wire rope isolator to the airframe to dampen vibration of the airframe.. . ... Textron Inc

05/24/18 / #20180141246

Moldable fly-away tool structure system

A composite structure includes a first face sheet, a second face sheet, and a foam member located between the first face sheet and the second face sheet. The foam member has a molded contour, the mold contour being configured to provide tooling surface for at least one of the first face sheet and the second face sheet prior to curing of the composite structure. ... Textron Inc

05/17/18 / #20180136668

Method and apparatus for flight control of tiltrotor aircraft

A method and apparatus provide for automatically controlling the flight of a tiltrotor aircraft while the aircraft is in flight that is at least partially rotor-borne. The method and apparatus provide for automatically tilting nacelles in response to a longitudinal-velocity control signal so as to produce a longitudinal thrust-vector component for controlling longitudinal velocity of the aircraft. ... Textron Inc

05/17/18 / #20180135728

Rotor blade weight system

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.. . ... Textron Inc

05/17/18 / #20180134853

Nanolevel dispersion of nanoparticles in hydrophobic materials

According to one embodiment, a method of dispersing nanoparticles into a destination material includes providing a plurality of nanoparticles suspended in a carrier, adding a solvent to the plurality of nanoparticles suspended in a carrier, removing at least some of the carrier to yield the plurality of nanoparticles suspended in the solvent, mixing the nanoparticles suspended in the solvent with a destination material, and removing at least some of the solvent from the mixture of nanoparticles suspended in the solvent and the destination material.. . ... Textron Inc

05/17/18 / #20180134411

Detachable cargo mirror

A detachable cargo mirror assembly for use on a rotorcraft surface that includes a bracket configured to mount to a surface on the rotorcraft, the bracket comprising a base portion and a retainer portion having a first pair of opposing holes, an elongated arm having two opposing ends, a first end for coupling with the bracket and a second end coupled to a mirror apparatus, the first end having a passage: and a releasable connector configured to engage with the first pair of opposing holes and the passage in the elongated arm when the elongated arm is in a first position to display a desired image on the mirror apparatus. The detachable cargo mirror assembly can be removed or in a stowed position when not in use.. ... Textron Inc

05/10/18 / #20180126916

Utility vehicle cowl assembly

The present disclosure provides a cargo rack for a utility vehicle. The cargo rack comprises a base structure, a front wall structure extending upward from the base structure and having a top edge, a pair of opposing sidewall structures, wherein each sidewall extends upward from the base structure and having a top edge, and a back wall structure extending upward from the base structure and having a top edge. ... Textron Inc

05/10/18 / #20180126199

Rotorcraft fall restraint protection attach points and mechanism systems

The present invention includes a safety apparatus and method for protecting users during maintenance operations for a rotorcraft comprising: at least one permanent, semi-permanent, or detachable safety bar, strap, fastener, hook, or loop that is attached or attachable to a rotorcraft, wherein the safety bar, strap, fastener, hook, or loop is positioned in an area or surface between a windshield of the rotorcraft and a tail boom of the rotorcraft and is connectable to a user safety device to provide fall protection from the area or surface.. . ... Textron Inc

05/03/18 / #20180124899

Adaptable skylight

An adaptable skylight includes a frame facing an interior of an enclosure having an opening for allowing light to pass. An opacity-control pane adjacent the opening allows a variable amount of light to pass, and an artificial light source illuminates the frame. ... Textron Inc

05/03/18 / #20180119926

Optical indicator of mechanical state

A mechanical state indicator system concealed within an enclosure includes a light source for providing light and multiple light paths coupled to the light source for directing the light. Each of the light paths includes a gap configured to receive a mechanical state indicator rigidly coupled to a mechanism. ... Textron Inc

05/03/18 / #20180119742

Roller bearing lubrication systems

The present invention includes a rolling element bearing system and method of using the same, comprising: a ball bearing comprising an inner race coupled to an inner shaft (journal) at an outer surface of the inner shaft, an outer race coupled to an outer shaft at an inner surface of the outer shaft, and a roller element disposed between the inner race and the outer race, wherein the inner race and the outer surface of the inner shaft form a pocket between a portion of the inner race and the outer surface, and the inner race comprises an orifice through the inner race to fluidly connect the pocket and the rolling element.. . ... Textron Inc

05/03/18 / #20180118376

Remote aircraft preflight verification

A remote aircraft preflight verification method includes sending a request via a remote interface for data from a sensor onboard an aircraft, transmitting the data from the sensor to the remote interface, processing the data via the remote interface to enable a determination that one or more preflight requirements are met, and presenting the data via the remote interface for enabling verification that the one or more preflight requirements are met. The method steps are repeated for multiple sensors. ... Textron Inc

05/03/18 / #20180118350

Multi-function credenza

A multi-function credenza includes at least one cabinet with a first top surface and a seat adjacent the cabinet. The seat has a convertible seat back for converting to a second top surface adjacent to the first top surface when the seat is stowed. ... Textron Inc

05/03/18 / #20180118349

Modular refreshment center

A substructure in an aircraft cabin includes a drawer-insert accepting portion that defines multiple racks. Each rack may receive an exchangeable drawer insert. ... Textron Inc

05/03/18 / #20180118336

Mutually symbiotic aircraft systems

An aircraft system includes a wing member and a plurality of unmanned aircraft systems selectively connectable to the wing member. The wing member has a generally airfoil cross-section, a leading edge and a trailing edge. ... Textron Inc

05/03/18 / #20180118334

Rotor sequencing for dual rotor aircraft

An aircraft has a fuselage, a first rotor assembly having a first rotor hub and first rotor blades pivotably coupled to the first rotor hub and a second rotor assembly having a second rotor hub and second rotor blades pivotably coupled to the second rotor hub. The first and second rotor blades have deployed configurations extending generally radially from the fuselage and stowed configurations extending generally parallel with the fuselage. ... Textron Inc

05/03/18 / #20180118026

Prime mover rpm limiting control

A side-by-side off-road utility vehicle comprising a vehicle operational status switch for controlling the operational status of the vehicle, a side-by-side seating structure, a plurality of safety restraint devices operable to retain one or more vehicle passenger in the side-by-side seating structure, and a prime mover rpm controller. The prime mover rpm controller operable to output commands to the one or more prime mover of the vehicle to limit a rotational speed of the prime mover(s) when the vehicle is in an on operational status and a selected one or more of the one or more safety restraints is in a disengaged status.. ... Textron Inc

05/03/18 / #20180116391

Table for aircraft interiors

A system and method for providing a table in aircraft is disclosed. The table is able to be deployed out such that it extends across an aisle towards an inwardly-facing seat on the other side. ... Textron Inc

04/19/18 / #20180108951

Lithium ion battery heater systems and methods

A battery heater system for a battery used in cold weather operations and methods for using the battery heater system are described. Embodiments of the battery heater system may incorporate a heater switch with an indicator, a timer circuit, a controller, a voltage meter, a temperature transducer, and a heating element. ... Textron Inc

04/19/18 / #20180106329

Gearing system for compound gear reduction

A transmission comprising an input shaft connectable to a power generation device such that the input shaft is rotatable at a power input rotational speed, an output shaft connectable to a driveline of the vehicle, and a plurality of gear sets selectable to operably connect the input shaft to the output shaft providing a rotational speed reduction ratio therebetween. The gear sets comprise a master active gear set having a master gear ratio, a slave active gear set having a slave gear ratio, and a passive gear set having a passive gear ratio. ... Textron Inc

04/19/18 / #20180105277

Electro-pneumatic de-icer

An electro-pneumatic de-icer for an airfoil includes an electrically-powered compressor for compressing air, an air-storage tank for storing compressed air, a source of negative pressure, an airfoil pneumatic boot, and a control valve located between 1) the air-storage tank, 2) the source of negative pressure, and 3) the pneumatic boot for cycling between compressed air to inflate the pneumatic boot and negative pressure to deflate the pneumatic boot for cracking accumulated ice on the airfoil. An airfoil de-icing method lacking engine bleed air extraction includes compressing air with an electrically-powered compressor, storing high-pressure air from the compressor in an air-storage tank, delivering high-pressure air from the air-storage tank to inflate a pneumatic boot located along an airfoil, providing a negative-pressure source, deflating the pneumatic boot with the negative-pressure source, and alternating between inflating and deflating the pneumatic boot for cracking accumulated ice on the airfoil.. ... Textron Inc

04/19/18 / #20180104876

Method for the extrusion blow moulding of a container of thermoplastic material and extrusion blow-moulded container

The invention relates to a method for extrusion blow-molding a container from a thermoplastics material, having at least one conduit through a wall of the container, wherein the method comprises providing an insert part from a thermoplastics material, said insert part having a conduit; incorporating a preform from a thermoplastics material into a blow-molding tool having a mold cavity which defines the contour of the container; molding the preform within the mold cavity, wherein the preform on the mold cavity side encloses the insert part and is welded to the insert part; removing the container from the blow-molding tool; and producing an opening in the wall of the container by means of a tool which is guided from the outside through the conduit of the insert part. The invention furthermore relates to an extrusion blow-molded container from a thermoplastics material.. ... Textron Inc

04/12/18 / #20180099759

Tiltrotor aircraft having journal bearing mounted pylon assemblies

A propulsion system for a tiltrotor aircraft includes an engine supported by the airframe and a fixed gearbox operably coupled to the engine. Inboard and outboard pedestals are supported by the airframe and positioned above the wing. ... Textron Inc

04/12/18 / #20180099758

Tiltrotor aircraft having pillow block mounted pylon assemblies

A pedestal assembly for receiving a pylon assembly of a tiltrotor aircraft having a helicopter mode and an airplane mode, the tiltrotor aircraft having an airframe including a fuselage and a wing. The pedestal assembly includes an inboard pedestal supported by the airframe and positioned above the wing. ... Textron Inc

04/12/18 / #20180099757

Tiltrotor aircraft having spherical bearing mounted pylon assemblies

A propulsion system for a tiltrotor aircraft includes an engine supported by the airframe and a fixed gearbox operably coupled to the engine. Inboard and outboard pedestals are supported by the airframe and positioned above the wing. ... Textron Inc

04/12/18 / #20180099738

Tiltrotor control

The present invention includes a thrust control apparatus, method and kit for a tiltrotor craft comprising a thrust control handle; a first and a second bar connected to the thrust control handle and connected to a floor support; a first end of a transverse bar connected to the first bar; a linker connected to a second end of the transverse bar; and a crankbell connected to the floor support below the first and a second bars, wherein a first end of the crankbell is connected to the linker, wherein the thrust control handle has a substantially linear motion that controls engine thrust, and the crankbell transfers the substantially linear motion of the handle into a substantially perpendicular motion that engages an engine thrust control at a second end of the crankbell.. . ... Textron Inc

04/12/18 / #20180099650

Brake system for aircraft

Disclosed is a brake system for aircraft that uses a control unit that is configured to control actuators at each wheel using one channel operating an associated brake control module, and other actuators at the same wheel using a second module operated completely independently using a second module. The use of the first and second groups of actuators are alternated periodically, e.g., for each flight.. ... Textron Inc

04/05/18 / #20180095005

Non-contact infrared temperature sensor for health monitoring of rotorcraft bearings

The present invention includes an apparatus and method for measuring hysteretic heating or stress of one or more bearings of a craft comprising: one or more non-contact temperature sensors attached to the craft and directed toward the one or more bearings; and a computer connected to the one or more non-contact temperature sensors that measure the temperature, the stress, or both of the one or more bearings before, during, or after operation of the craft, wherein the one or more non-contact temperature sensors measure a change in temperature in the one or more bearings to monitor for heating or stress of the bearings.. . ... Textron Inc

04/05/18 / #20180093764

Articulated main rotor hub with inwardly cf bearing and 3% flapping hinge offset

A rotary system including a grip having an opening forming a first bridge for receiving a centrifugal force bearing that faces inwardly towards the rotor mast. A rotor blade couples to the grip and a pitch horn positioned outside the opening pitches the rotor blade during flight. ... Textron Inc

04/05/18 / #20180093762

Method and apparatus for aircraft sensor and actuator failure protection using reconfigurable flight control laws

A method and apparatus for reconfiguring flight control of an aircraft during a failure while the aircraft is flying. The method and apparatus provide a control law that is software-implemented and configured to automatically send flight control data to a mixing/mapping matrix. ... Textron Inc

03/29/18 / #20180087940

Adjustable position pitot probe mount

The present invention includes an adjustable pitot tube and method for using the same for operating or flight testing an aircraft comprising: a pitot probe; a streamline tube connected to the pitot probe; a mount on the aircraft connected to the streamline tube, wherein the streamline tube can at least one of rotate about an axis of the mount, or the streamline tube can move the pitot probe closer to, or away from, a skin of the aircraft.. . ... Textron Inc

03/29/18 / #20180087670

Protective labyrinth over mast seal to protect from water intrusion

The present invention includes a helicopter rotor seal assembly comprising: a rotor mast having a longitudinal axis and an outer surface; a sleeve aligned longitudinally with the axis and surrounding a portion of the rotor mast, the sleeve having an outer surface, and an inner surface; an annular horizontal seal between the inner surface of the sleeve and the outer surface of the rotor mast; and an upper annular rotor mast seal affixed to the outer surface of the rotor mast and extending outwardly sufficient to cover the annular horizontal seal.. . ... Textron Inc

03/29/18 / #20180087656

Non-pressurized accessory gearbox

A non-pressurized accessory gearbox for an aircraft includes: a housing, one or more gears disposed within the housing, an input rotating member to receive input from a main rotor gearbox via a shaft connected to the one or more gears, and one or more output rotating members in communication with the one or more gears. The gearbox is configured to utilize splash lubrication for moving a lubrication fluid within the housing.. ... Textron Inc

03/29/18 / #20180087652

Continuously variable transmission

A continuously variable transmission housing including an inner cover and an outer cover that define an interior chamber that is structured and operable to enclose a continuously variable transmission primary pulley, secondary pulley and pulley belt. The housing includes a duct panel mounted to the inner cover such that when the primary pulley is disposed within the interior chamber, the duct panel is disposed between an outer face of the primary pulley and the inner cover. ... Textron Inc

03/29/18 / #20180087651

Redundant cooling system

A cooling apparatus includes a shared cooling device for one or more systems or components, and a plurality of primary cooling pathways. Each of the primary cooling pathways includes a transition duct and a fan. ... Textron Inc

03/29/18 / #20180087650

Redundant fans for cooling system

An apparatus includes a shared cooling device for cooling one or more systems or components, and a plurality of primary cooling pathways. Each of the primary cooling pathways includes a fan, and each fan is in fluid communication with the shared cooling device.. ... Textron Inc

03/29/18 / #20180087649

Fan mounted on gearshaft

A cooling apparatus includes one or more fans and one or more shafts. Each of the one or more fans includes a fan blade assembly. ... Textron Inc

03/29/18 / #20180087648

Convective cooling of a pressurized gearbox

The present invention includes a cooling system for a gearbox, the cooling system comprising: a pressurized housing in fluid communication with the gearbox configured to circulate a pressurized lubricant; and one or more cooling fins about the pressurized housing, wherein heat from the pressurized lubricant within the pressurized housing is actively convected through the one or more cooling fins.. . ... Textron Inc

03/29/18 / #20180087647

Fan with labyrinth seal for prevention of water damage to a gearbox

The present invention includes a system, method and kit for preventing or reducing water penetration of a gearbox, the system including: a fan or impeller coupled to the gearbox; and a hub coupled to the fan and shaped to provide a labyrinth seal that prevents or reduces water penetration into the gearbox.. . ... Textron Inc

03/29/18 / #20180087639

High speed engine reduction gearboxes

An engine reduction gear system includes at least two self-contained, independent engine reduction gearboxes, each capable of connecting to an aircraft engine. Each of the engine reduction gearboxes provides redundant, reduced speed to a main rotor gearbox via a shaft.. ... Textron Inc

03/29/18 / #20180087561

Active thermal management for fire-tolerant drive systems

The present invention includes a thermal management system and method including: a drive shaft; one or more fans or impellers in fluid communication with at least a portion of the drive shaft; and one or more air management baffles configured to direct air flow between the impeller and the portion of the drive shaft. In one embodiment, the system and method further includes insulation positioned about the at least a portion of the drive shaft.. ... Textron Inc

03/29/18 / #20180087557

Multi-drilled fasteners

The present invention includes a fastener comprising: a fastener body having a longitudinal axis and a first external male threaded portion, and two or more through-holes perpendicular to the longitudinal axis of the fastener body in the threaded portion.. . ... Textron Inc

03/29/18 / #20180087444

Articulating bifurcated integrated transition duct assembly

A transition duct assembly includes a shared connector, and a plurality of primary cooling pathways for cooling one or more systems or components. Each primary cooling pathway includes a transition duct in fluid communication with the shared connector, and a transition connector in fluid communication with the transition duct.. ... Textron Inc

03/29/18 / #20180087420

Oil-level sensor for a gearbox

An apparatus for lubricating a non-pressurized gearbox includes a low-to-high lubricant level sensor configured to sense a static level of a lubricant within the gearbox and to display the static level of the lubricant.. . ... Textron Inc

03/29/18 / #20180087419

Oil filter with impending and full-bypass indicators

A removable oil filter system includes an oil filter mount, an oil filter element removably connected to the oil filter mount, an impending-bypass indicator connected to the oil filter mount and in fluid communication with an oil in the oil filter system, and a full-bypass indicator in fluid communication with the oil filter mount. The impending-bypass indicator is capable of reporting an impending-bypass condition of the oil filter system. ... Textron Inc

03/29/18 / #20180086444

Aircraft drive system

The present invention includes an aircraft drive system comprising a main rotor gearbox comprising a first and a second input; a first drive system comprising a first engine reduction gearbox connecting a first engine to the first input of the main rotor gearbox at a reduced shaft speed; and a second drive system independent from and redundant with the first drive system, the second drive system comprising a second engine reduction gearbox connecting a second engine to the second input of the main rotor gearbox at the reduced shaft speed.. . ... Textron Inc

03/29/18 / #20180086010

Method and assembly for manufacturing door skin and wall with doorway

A method of manufacturing a door skin and a fuselage wall having a doorway and a member extending into the doorway for abutting the door includes placing a first sheet of uncured composite material on a mold plate to define the door and fuselage skin, disposing an insert over the first sheet overlapping a desired periphery of the door, placing a second sheet of uncured composite material on a peripheral portion of the insert and over the first sheet adjacent the peripheral portion of the insert to form the member, curing the sheets and bonding the sheets together adjacent the insert during the cure, removing the insert from between the sheets after cure, and separating the door skin from the wall skin after cure by moving a cutting tool through the first sheet and without penetrating the second sheet around the desired periphery of the door. An assembly for manufacturing the door skin and a fuselage wall is also discussed.. ... Textron Inc

03/22/18 / #20180079503

Rotating proprotor arrangement for a tiltrotor aircraft

A propulsion system includes an engine disposed within a fuselage, a first gearbox coupled to the engine, a wing member having an upper wing skin and torque box formed by a first rib, a second rib, a first spar and second spar, a drive shaft coupled to the first gearbox and disposed within the wing member, a second gear box coupled to the drive shaft and disposed outboard from the second rib or inboard from the first rib, and a rotatable proprotor coupled to the second gear box. The rotatable proprotor includes a plurality of rotor blades, a rotor mast having a mast axis of rotation, and a proprotor gearbox coupled to the rotor mast. ... Textron Inc

03/22/18 / #20180079502

Storage modes for tiltrotor aircraft

A tiltrotor aircraft having a vtol flight mode, a forward flight mode and a storage mode includes a fuselage having a wing rotatably mounted thereto. The wing has an orientation generally perpendicular to the fuselage, in the flight modes, and an orientation generally parallel to the fuselage, in the storage mode. ... Textron Inc

03/22/18 / #20180079501

Storage modes for tiltrotor aircraft

A tiltrotor aircraft having a vtol flight mode, a forward flight mode and a storage mode includes a fuselage having a wing rotatably mounted thereto. The wing has an orientation generally perpendicular to the fuselage, in the flight modes, and an orientation generally parallel to the fuselage, in the storage mode. ... Textron Inc

03/22/18 / #20180079500

Storage modes for tiltrotor aircraft

A tiltrotor aircraft having a vtol flight mode, a forward flight mode and a storage mode includes a fuselage having a wing rotatably mounted thereto. The wing has an orientation generally perpendicular to the fuselage, in the flight modes, and an orientation generally parallel to the fuselage, in the storage mode. ... Textron Inc

03/22/18 / #20180079499

Storage modes for tiltrotor aircraft

A tiltrotor aircraft having a vtol flight mode, a forward flight mode and a storage mode includes a fuselage having a wing rotatably mounted thereto. The wing has an orientation generally perpendicular to the fuselage, in the flight modes, and an orientation generally parallel to the fuselage, in the storage mode. ... Textron Inc

03/22/18 / #20180079493

Wing extension winglets for tiltrotor aircraft

A pylon assembly for a tiltrotor aircraft includes a rotor assembly operable to rotate between a generally vertical orientation, in a vtol flight mode, and a generally horizontal orientation, in a forward flight mode, and having an intermediate orientation therebetween, in a conversion flight mode. The rotor assembly includes a proprotor operable to produce a slipstream. ... Textron Inc

03/22/18 / #20180079490

Chordwise folding and locking of rotor systems

An apparatus for chordwise folding and locking of rotor systems includes a grip assembly and a harness disposed at least partially within and coupled to the grip assembly. A rotor blade is rotatably coupled to the grip assembly and the harness. ... Textron Inc

03/22/18 / #20180079488

Foldable aircraft with anhedral stabilizing wings

An aircraft including a fuselage having a longitudinal axis extending through the fuselage front end and the fuselage rear end; a foldable wing located on the fuselage and being movable between a flight position wherein the wing is generally perpendicular to the longitudinal axis, and a stowed position wherein the wing is generally parallel to the longitudinal axis; and a pair of stabilizing wings having an anhedral orientation disposed on the fuselage.. . ... Textron Inc

03/22/18 / #20180079487

Tiltrotor articulated wing extension

An aircraft has a wing, a pylon carried by the wing, at least one of a rotor system component and a drive system component disposed within the pylon, and a wing extension carried by the at least one of a rotor system component and drive system component, wherein the wing extension is foldable relative to the pylon to selectively reduce an overall space occupied by the aircraft.. . ... Textron Inc

03/22/18 / #20180079486

Wing pivot structures for tiltrotor aircraft

A wing pivot apparatus for rotating a wing between a flight orientation and a stowed orientation relative to a fuselage of a tiltrotor aircraft. The apparatus includes a guide ring that is fixably coupled to the fuselage. ... Textron Inc

03/22/18 / #20180079485

Wing pivot structure for tiltrotor aircraft

A wing pivot apparatus for rotating a wing between a flight orientation and a stowed orientation relative to a fuselage of a tiltrotor aircraft. The apparatus includes a stow ring that is rotatably mounted to the fuselage. ... Textron Inc

03/22/18 / #20180079484

Fuselage mounted engine with wing stow

An aircraft has a fuselage, an engine disposed within the fuselage, a rotatable wing disposed above the fuselage and selectively rotatable about a wing rotation axis, and a plurality of interconnect driveshafts disposed within the rotatable wing, and at least one drive system component that is connected between the engine and the interconnect driveshaft is disposed along the wing rotation axis.. . ... Textron Inc

03/22/18 / #20180079483

Cross-wing driveshaft channel

An aircraft wing including a fuel tank located in the wing, a channel defining a cavity in the fuel tank, the channel including at least two channel ends terminating at an upper or lower wing surface, a driveshaft located in the cavity; and an access panel located on the wing surface and being movable between an open position so that access to the cavity is permitted, and a closed position so that the cavity is at least partially covered by the access panel to inhibit access to the cavity.. . ... Textron Inc

03/22/18 / #20180079482

Modular payload systems for aircraft

A modular payload system for an aircraft includes a modular bay recessed within the aircraft. The modular bay includes a modular bay interface. ... Textron Inc

03/22/18 / #20180079480

Method and apparatus for improving the crashworthiness of aircraft fluid systems

A fluid connection system for fluidly connecting a pair of fluid reservoirs, such as fuel cells, includes a bellowed portion surrounding a connection portion through which fluid can flow between the two reservoirs. The bellowed portion allows for relative movement between the two reservoirs without breaking the fluid-tight connection between the two reservoirs. ... Textron Inc

03/15/18 / #20180072409

Rotorcraft elastomeric bearing assembly

In some embodiments, a rotorcraft may include a yoke, a blade, a spindle associated with the yoke, and an elastomeric bearing assembly. The center length of the spindle may define a center axis that passes through a center of the elastomeric bearing assembly. ... Textron Inc

03/15/18 / #20180072003

Bonding process and system

A system and process for bonding involves a pocket made into one article is used to secure that article to another using a flowable, curable material (e.g., resin) which during saturation enters through a passageway and at least partially fills the void. When the article is cured, the article is bonded to another article to which resin has also been applied since the void (now containing cured material) is larger than the passageway.. ... Textron Inc

03/08/18 / #20180067006

Method and system for measuring torque in a tiltrotor aircraft

A method for calculating torque through a rotor mast of a propulsion system of a tiltrotor aircraft includes receiving the torque being applied through a quill shaft of the rotorcraft. The quill shaft is located between a fixed gearbox and a spindle gearbox, and the spindle gearbox is rotatable about a conversion access. ... Textron Inc

03/08/18 / #20180065328

Processes for repairing complex laminated composites

Complex laminated composites may be repaired by removal of individual damaged plies through peeling in order to exploit the weaker interlaminar properties of these composites. Upon removal of the individual damaged plies through peeling, replacement plies may be added to restore the laminated composite. ... Textron Inc

03/01/18 / #20180062360

Control device for and method of operating a metal clad cable cutting machine

A control device according to some embodiments of the disclosure includes one or more motors directed by the control device to form whip(s) from a length of a cable by causing the cutting of the cable in accordance with specifications based at least in part on whip information. An interface communicates the whip information between the control device and a user device.. ... Textron Inc

03/01/18 / #20180060476

Distributed sensor network for measuring and optimizing wireless networks

Methods of planning network provisioning that incorporate real-world measurements of signal quality into simulations of signal quality under alternative configurations. In one embodiment, the disclosure includes a method of determining placements for access points in a wireless network, comprising ingesting a floor plan for a deployment site, determining initial placements for the access points, determining placements for sensors, each sensor configured to wirelessly communicate with at least one access point, measuring a signal metric for each sensor, based at least in part on the measured signal metric for each of the sensors, simulating a projected coverage map for a plurality of alternate placements for the access points, determining an placement of the access points, and presenting, to a user, the placement of the plurality of access points.. ... Textron Inc

03/01/18 / #20180058119

Door stop mechanism for holding a door of an enclosure in an open position

An assembly according to some embodiments of the disclosure includes an enclosure having a housing and door hingedly attached to the housing and a door stop mechanism which holds the door in an open position. The mechanism includes a link member pivotally connected to the door and to the housing. ... Textron Inc

03/01/18 / #20180057303

Quick change height adjustment mechanism for a reel stand

A quick-change height adjustment mechanism allows a reel stand to accommodate differently sized storage spools. A plate of the mechanism forms a cavity into which a post is seated and has at least one space which receive a spindle of the spool. ... Textron Inc

03/01/18 / #20180057178

Illuminated rope as an aircraft emergency egress aid

In some implementations, in an emergency in the vehicle, an emergency evacuation path is illuminated using the light emitted from the emergency evacuation rope where at least a portion of the emergency evacuation path extends to a location outside the vehicle. Egress of occupants along the emergency evacuation path is enabled using an emergency evacuation rope.. ... Textron Inc

03/01/18 / #20180057169

Stowable reversible seat

A stowable reversible seat for a vehicle includes a first member pivotally coupled to a floor for supporting a seat base, a second member releasably secured to the floor for supporting the seat base, and a seat back pivotally coupled to the first member. Components of the seat pivot between a folded configuration for stowing and a deployed configuration for seating. ... Textron Inc

03/01/18 / #20180057162

Aircraft having rotor-to-wing conversion capabilities

A tail sitter aircraft includes a fuselage having a forward portion and an aft portion. The forward portion of the fuselage includes first and second rotor stations. ... Textron Inc

03/01/18 / #20180057161

Aircraft having dual rotor-to-wing conversion capabilities

A tail sitter aircraft includes a fuselage having a forward portion and an aft portion. The forward portion of the fuselage includes first and second rotor stations. ... Textron Inc

03/01/18 / #20180057160

Aircraft generating a triaxial dynamic thrust matrix

A tri-wing aircraft includes a fuselage having a longitudinally extending fuselage axis. Three wings extend generally radially outwardly from the fuselage axis and are circumferentially distributed generally uniformly about the fuselage at approximately 120-degree intervals. ... Textron Inc

03/01/18 / #20180057159

Tiltrotor aircraft having rotatable wing extensions

A pylon assembly for a tiltrotor aircraft includes a fixed pylon having an outboard end. A rotor assembly is rotatably coupled to the fixed pylon and is operable to rotate between a generally vertical orientation in a vertical takeoff and landing mode and a generally horizontal orientation in a forward flight mode. ... Textron Inc

03/01/18 / #20180057157

Tilting ducted fan aircraft generating a pitch control moment

In some embodiments, an aircraft includes a fuselage having a forward portion and an aft portion. First and second ducted fans are supported by the forward portion of the fuselage. ... Textron Inc

03/01/18 / #20180057148

Tiltrotor aircraft having active wing extensions

A tiltrotor aircraft includes a fuselage supporting first and second wings each having an outboard end. First and second nacelles are respectively coupled to the outboard ends of the first and second wings. ... Textron Inc

03/01/18 / #20180056611

Nested manufacturing of composite structures

A manufacturing tool for forming composite structures includes at least one interchangeable mold template having a plurality of incorporated part shapes, and a backbone that connects to and supports the at least one interchangeable mold template during a process of laying up prepreg composite material to form a plurality of three-dimensional structures corresponding to the plurality of incorporated part shapes. A method for simultaneous manufacture of a plurality of composite structures includes providing an interchangeable mold template having a plurality of three-dimensional part shapes, fastening the interchangeable mold template to a backbone structure, laying up prepreg material over the interchangeable mold template to form a material layer, repeating laying up prepreg material to form a plurality of material layers each having a predetermined fiber orientation, and curing the plurality of material layers on the interchangeable mold template to form a plurality of structures corresponding to the three-dimensional part shapes.. ... Textron Inc

03/01/18 / #20180056410

Metal clad cable cutting machine

A machine configured to form at least one whip from a length of cable according to some embodiments of the disclosure includes an input and an output defining a cable travel space being therebetween; a clamping assembly including a pad, and a first driving assembly configured to move the pad into the cable travel space and out of the cable travel space; and a cutting assembly including a cutting tool having at least one cutting edge, and a second driving assembly configured to move the cutting tool into the cable travel space and out of the cable travel space. In some embodiments, the machine further includes a saw assembly including a notching saw having a cutting edge configured to intersect the cable travel space, and a third driving assembly configured to drive the notching saw.. ... Textron Inc

02/22/18 / #20180053359

Diagnostic method, system and device for a rotorcraft drive system

A method, system, and device for diagnosing an anomaly of a monitored component in a drive train, the method including obtaining original data based on samples of a vibration signal; converting the original data to an analytical signal having a real component and an imaginary component; determining complex magnitudes of the analytical signal; processing the complex magnitudes of the analytical signal to produce a frequency-domain signal; and determining complex magnitudes of the frequency-domain signal to generate a shock spectrum.. . ... Textron Inc

02/22/18 / #20180053358

Diagnostic method, system and device for a rotorcraft drive system

A method, system, and device for diagnosing an anomaly of a monitored component in a drive train, the method including obtaining rotational information associated with the component; receiving original data indicating the toothmesh frequency of the drive train; filtering the original data to remove energy above the toothmesh frequency; interpolating the filtered original data to generate an integer number of samples per tooth passage; and generating an amplified differential coherence (adc). In some embodiments, an amplified differential coherence gearbox arrangement value (adct) is generated.. ... Textron Inc

02/22/18 / #20180051765

Liquid inertia vibration elimination system

A liquid inertia vibration elimination (live) system having an upper end cap, a lower end cap, a spindle located between the upper end cap and the lower end cap, and an external tube connected between the upper end cap and the lower end cap.. . ... Textron Inc

02/22/18 / #20180050796

Braking systems for rotorcraft

In some embodiments, a rotorcraft includes a fuselage having a rotor hub assembly protruding therefrom that is rotatable relative thereto. A generator having an armature is mechanically coupled to the rotor hub assembly such that the armature is rotatable in response to rotation of the rotor hub assembly. ... Textron Inc

02/22/18 / #20180050792

Aircraft having radially extendable tailboom assembly

A tail sitter aircraft includes a fuselage having a forward portion, an aft portion and a longitudinally extending fuselage axis. A main lifting surface is supported by the forward portion of the fuselage. ... Textron Inc

02/15/18 / #20180044013

Apparatus and method for directing thrust from tilting cross-flow fan wings on an aircraft

A variable thrust cross-flow fan system for an aircraft including a rotatable wing member having a first housing member; an actuator assembly operably coupled to the first housing member; and a variable thrust cross-flow fan assembly including a first and second driver plates having a plurality of blades rotatably mounted therebetween. The plurality of blades has a circular path of travel when rotating and includes a control assembly coupled to the plurality of blades to generate a variable thrust force. ... Textron Inc

02/15/18 / #20180044012

Aircraft with tilting cross-flow fan wings

An aspect provides an aircraft including a fuselage and a cross-flow fan system attached to the fuselage. The cross-flow fan system including a cross-flow fan assembly associated with a rotatable wing member having an exterior aerodynamic surface. ... Textron Inc

02/15/18 / #20180044010

Aircraft tail with cross-flow fan systems

In one aspect, there is provided an aircraft, including a fuselage having a longitudinal axis extending from a front portion through an aft portion; first and second tail members extending from the aft portion; a first cross-flow fan system rotatably mounted to the first tail member; and a second cross-flow fan system rotatably mounted to the second tail member. The first and second cross-flow fan systems are configured to provide a forward thrust vector and an anti-torque vector on the aircraft. ... Textron Inc

02/15/18 / #20180044009

Rotorcraft variable thrust cross-flow fan systems

In some embodiments, a rotorcraft includes a fuselage, a tailboom, a drive system and a variable thrust cross-flow fan system. The cross-flow fan system includes a cross-flow fan assembly that is mechanically coupled to a drive shaft and operable to rotate with the drive shaft about a longitudinal axis. ... Textron Inc

02/15/18 / #20180043986

Inlet duct selector for tiltrotor barrier filter

The present invention includes an air flow bypass for a tiltrotor engine comprising: a ram air inlet comprising bypass door(s) capable of at least partially or fully blocking a ram air flow through the ram air inlet; a barrier filter inlet positioned in a side, a bottom, and/or a top of a tiltrotor engine nacelle; a filter plenum; a selector duct comprising one or more openings; and one or more selector duct doors or covers over the one or more openings; wherein the barrier filter inlet, the filter plenum, the one or more openings in the selector duct, the selector duct, and an engine are in fluid communication and the bypass door(s) in the ram inlet are closed and the barrier filter inlet provides filtered air flow to the engine when the aircraft is in hover operations.. . ... Textron Inc

02/15/18 / #20180043984

Inflight connection of aircraft

An inflight connection system for aircraft having at least one wing with a wingtip includes, for each aircraft, a primary connector selectively extendable from the wingtip, an alignment connector selectively extendable from the wingtip and a male and female connector assembly disposed proximate the wingtip. The primary connectors extend a greater distance from the wingtips than the alignment connectors such that the primary connectors form a first connection between the aircraft when the aircraft are flying in a connection pattern. ... Textron Inc

02/08/18 / #20180038474

Lubrication system with passive valve

A valve with supplemental media and a piston configured to open the valve when a first force is greater than a second force. The pressure of the supplemental media exerts a substantial portion of the first force. ... Textron Inc

02/08/18 / #20180038439

Rotorcraft vibration suppression system in a four corner pylon mount configuration

The vibration suppression system includes a vibration isolator located in each corner in a four corner pylon mount structural assembly. The combination of four vibration isolators, two being forward of the transmission, and two being aft of the transmission, collectively are effective at isolating main rotor vertical shear, pitch moment, as well as roll moment induced vibrations. ... Textron Inc

02/08/18 / #20180037333

Hybrid aircraft

An aircraft where an engine creates mechanical energy. That energy is then converted into another transmittable form, e.g., electrical using a generator, or hydraulic using a pump, and is delivered to remotely-located motors and thrusters, e.g., propellers at one or more locations on the aircraft. ... Textron Inc

02/08/18 / #20180037332

Hybrid aircraft with tranversely oriented engine

A propulsion system for an aircraft includes an engine (e.g., piston engine, or turbine) having an axis made to be nonparallel with the longitudinal axis of the aircraft. This is enabled using an electrical, hydraulic, or other system to transfer energy generated by the engine (e.g., via electrical wiring, fluid conduits, etc.) to remotely power a motor used to drive a thrust-creating device (e.g., propeller or ducted fan). ... Textron Inc

02/08/18 / #20180037318

Elastomeric bearing with tab for thermocouple and system for use

A laminated elastomeric bearing has layers of elastomeric material and layers of metal. A tab is located on a periphery of one of the layers of metal and protrudes from the bearing. ... Textron Inc

02/01/18 / #20180029701

Jam-tolerant rotary control motor for hydraulic actuator valve

According to one embodiment, a linear control motor includes a first permanent magnet, a coil, a shaft, a first non-magnetic material, and a joint coupled between the shaft and a spool operable to convert rotations of the shaft into axial movements of the spool. The first non-magnetic material is disposed between at least one of the movable components and at least one of the static components and operable to prevent physical contact between at least one of the movable components and at least one of the static components.. ... Textron Inc

02/01/18 / #20180029700

Anti-drive mechanism for rise and fall rotating control systems

A rotor blade system includes a hub assembly pivotally attached to a rotor blade, a mast attached to the hub assembly, and a swashplate engaged with the mast, the swashplate includes a non-rotating ring and a rotating ring. The method to raise the swashplate includes using an anti-drive link system pivotally engaged with a transmission top case and pivotally engaged with the non-rotating ring.. ... Textron Inc

02/01/18 / #20180029699

Rotor blade erosion protection systems

In some embodiments, a rotorcraft includes an engine, a rotor hub assembly mechanically coupled to the engine and a plurality of rotor blade assemblies rotatably mounted to the rotor hub assembly. Each of the rotor blade assemblies includes a rotor blade having a leading edge and an erosion shield system extending spanwise along the leading edge of the rotor blade. ... Textron Inc

02/01/18 / #20180029690

Actuator hardover monitor

An actuator hardover monitor for a control surface includes an actuator sensor for detecting an actuator position, a command model of an expected position of the actuator based on an input command, and a monitor to determine whether a difference between the actuator position and the expected position exceeds a threshold for a predetermined duration. A method of preventing a hardover event for a control surface includes commanding an actuator valve to a commanded position, determining continuously when the commanded position, or an actuator valve position, or a control-surface position, or a modeled actuator valve position exceeds a predetermined limit to provide an exceedance. ... Textron Inc

02/01/18 / #20180029466

Fuel container

The invention relates to a fuel container (1) of thermoplastic plastics material having an upper base (2) and a lower base (3) which are supported against each other by means of at least one column-like support element (4), wherein the support element (4) is connected in a positive-locking manner and/or materially engaging manner to a wall (6) of the upper base on the one hand and to a wall (6) of the lower base on the other hand in such a manner that it can absorb tensile forces and/or pressure forces, wherein the support element (4) is constructed in several pieces and the support element is divided longitudinally and comprises at least two segments (8) which complement each other in cross-section and which form a common support face at the end side.. . ... Textron Inc

01/25/18 / #20180025557

Adaptive algorithm-based engine health prediction

A system and algorithm-based method of determining engine health and assuring available propulsion power based on historical data reflecting the individual engine's unique performance “fingerprint.”. . ... Textron Inc

01/25/18 / #20180022462

Tip rib mounted pylon assemblies

A pedestal assembly receives a pylon assembly of a tiltrotor aircraft having an airframe including a fuselage and a wing. The pedestal assembly includes inboard and outboard tip ribs that extend above the wing and respectively define inboard and outboard slots. ... Textron Inc

01/25/18 / #20180022214

Prime mover rpm limiting control

A method for controlling the operation of a vehicle prime mover based on the engagement status of one or more safety restraints of the vehicle. In various implementations the method comprises monitoring, via a rpm controller of the vehicle, an operational status of vehicle, monitoring, via the rpm controller, the engagement status at least one passenger safety restraint of the vehicle, and limiting, via the rpm controller, a rotational speed, e.g., revolutions per minute (rpm) of one or more prime mover of the vehicle when the vehicle is in a on operational status and the at least one safety restraint is in a disengaged status.. ... Textron Inc

01/25/18 / #20180022212

Line termination element for a ventilation outlet of a fluid container, and fluid container

The invention relates to a line termination element (4) for a ventilation outlet of a fluid container (5), having a main body (2) which is formed as a closure element for a free end (3) of the ventilation outlet and which is cross-sectionally matched to the cross section of the ventilation outlet, comprising at least one flow passage as an insect barrier, which flow passage is smaller than a mouth cross section (17) of the ventilation outlet, and also at least one valve body (10), which, in a first position, closes off the mouth cross section (17) of the ventilation outlet and, in a second position, opens up the mouth cross section (17) of the ventilation outlet.. . ... Textron Inc

01/18/18 / #20180017153

Flange-mounted ring gear for improved heat management

A ring gear includes a ring having one or more sets of inwardly facing teeth, a circumferential flange extending outward from the ring, and the flange is mounted between a first housing and a second housing. In addition, the flange protrudes into an ambient air outside the first housing and second housing.. ... Textron Inc

01/18/18 / #20180015702

Multilayered composite material and objects comprising same

The present invention relates to a composition, and also a multilayer composite having barrier properties, objects, in particular fuel containers, comprising the same, a process for producing the multilayer composite or the objects comprising the same and also the use of the multilayer composite or the objects for reducing the emission of volatile organic compounds.. . ... Textron Inc

01/11/18 / #20180013270

Gauge device and communication environment thereof

A system and method include a gauge device and one or more of a communication device or a pulling assembly. The gauge device may be configured to send a message to display on one or more of the communication device or pulling assembly. ... Textron Inc

01/11/18 / #20180010973

Gauge device

A gauge device according to some embodiments of the disclosure is configured to measure tension on a pulling rope during a cable pull. The gauge device according to some embodiments of the disclosure includes a frame, a housing carried by the frame, a roller rotatably carried by the housing, a sensor on the frame beneath the housing, and at least one additional roller rotatably attached to the frame. ... Textron Inc

01/04/18 / #20180002027

Aircraft having a fault tolerant distributed propulsion system

In some embodiment, an aircraft includes a flying frame having an airframe, a distributed propulsion system attached to the airframe, the distributed propulsion system including a plurality of propulsion assemblies and a flight control system operably associated with the distributed propulsion system. The flying frame has a vertical takeoff and landing mode and a forward flight mode. ... Textron Inc

01/04/18 / #20180002026

Aircraft having a versatile propulsion system

An aircraft having a vertical takeoff and landing fight mode and a forward flight mode. The aircraft includes an airframe and a versatile propulsion system attached to the airframe. ... Textron Inc








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