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    DUAL-MOUNT FOR SPRING-LOADED GEAR-DRIVEN RESOLVERS
    1.
    发明申请
    DUAL-MOUNT FOR SPRING-LOADED GEAR-DRIVEN RESOLVERS 有权

    公开(公告)号：US20210318143A1

    公开(公告)日：2021-10-14

    申请号：US16846372

    申请日：2020-04-12

    Applicant: Bell Textron Inc.

    Inventor： Grant Michael Beall ,  William Anthony Amante ,  Jessica Arlie Revere

    IPC: G01D5/22 ,  B64C27/20 ,  F16H19/00 ,  F16H57/12

    Abstract: A resolver assembly for a ducted-rotor aircraft is configured to detect and measure rotation of a spindle of the aircraft. The resolver assembly includes first and second gear-driven resolvers. The first and second resolvers are coupled about a shared pivot axis and are independently pivotable about the pivot axis to maintain engagement of the first and second resolvers with the spindle of the aircraft. The resolver assembly is configured such that the first and second resolvers are biased toward the spindle. The input shafts of the first and second resolvers are spaced from the pivot axis through respective first and second distances that extend outward from the pivot axis along respective first and second radial directions. The first distance is equal to the second distance and the first radial direction is not coincident with the second radial direction.

    ELECTRIC MOTOR WITH BACKUP BEARING ASSEMBLY
    2.
    发明申请
    ELECTRIC MOTOR WITH BACKUP BEARING ASSEMBLY 有权

    公开(公告)号：US20230061193A1

    公开(公告)日：2023-03-02

    申请号：US17410519

    申请日：2021-08-24

    Applicant: Bell Textron Inc.

    Inventor： Grant Michael Beall ,  Michael Raymond Hull

    IPC: H02K7/08 ,  F16C35/063

    Abstract: An electric motor adapted to apply torque to a drive shaft rotatable about an axis, the electric motor includes a stator, a rotor adapted to rotate relative to the stator, a primary bearing interoperably coupled to the stator and adapted to provide bearing support between the stator and the rotor, an auxiliary bearing interoperably coupled to the drive shaft, an annular shear adapter connected to the primary bearing and the auxiliary bearing, and a shear pin interoperably coupled to the primary bearing via the annular shear adapter and configured to break responsive to torque between the annular shear adapter and the drive shaft exceeding a predetermined torque threshold.

    ELECTRIC TILTROTOR AIRCRAFT WITH FIXED MOTORS
    6.
    发明申请
    ELECTRIC TILTROTOR AIRCRAFT WITH FIXED MOTORS 有权

    公开(公告)号：US20220242557A1

    公开(公告)日：2022-08-04

    申请号：US17163785

    申请日：2021-02-01

    Applicant: Bell Textron Inc.

    Inventor： Jonathan Andrew Knoll ,  George Matthew Thompson ,  Charles Hubert Speller ,  Grant Michael Beall

    IPC: B64C27/28 ,  B64C29/00

    Abstract: A rotor system for an aircraft includes an open rotor assembly comprising an open rotor assembly comprising a plurality of rotor blades connected to a rotor mast, wherein the rotor assembly is tiltable relative to a wing of the aircraft between a first position corresponding to an airplane mode of the aircraft and a second position corresponding to a helicopter mode of the aircraft; and a drive system for providing rotational energy to the open rotor assembly via the rotor mast. The drive system includes at least one electric motor for generating rotational energy to a motor shaft; and a gearbox connected to receive rotational energy from the at least one electric motor via the motor shaft and to provide rotational energy to the rotor mast via a rotor shaft, wherein the at least one electric motor is fixed relative to the wing of the aircraft.

    Electric tiltrotor aircraft with fixed motors
    8.
    发明授权
    Electric tiltrotor aircraft with fixed motors 有权

    公开(公告)号：US11975826B2

    公开(公告)日：2024-05-07

    申请号：US17163785

    申请日：2021-02-01

    Applicant: Bell Textron Inc.

    Inventor： Jonathan Andrew Knoll ,  George Matthew Thompson ,  Charles Hubert Speller ,  Grant Michael Beall

    IPC: B64C27/28 ,  B64C29/00

    CPC classification number: B64C27/28 ,  B64C29/0033

    Abstract: A rotor system for an aircraft includes an open rotor assembly comprising an open rotor assembly comprising a plurality of rotor blades connected to a rotor mast, wherein the rotor assembly is tiltable relative to a wing of the aircraft between a first position corresponding to an airplane mode of the aircraft and a second position corresponding to a helicopter mode of the aircraft; and a drive system for providing rotational energy to the open rotor assembly via the rotor mast. The drive system includes at least one electric motor for generating rotational energy to a motor shaft; and a gearbox connected to receive rotational energy from the at least one electric motor via the motor shaft and to provide rotational energy to the rotor mast via a rotor shaft, wherein the at least one electric motor is fixed relative to the wing of the aircraft.

    Electric motor with backup bearing assembly
    10.
    发明授权
    Electric motor with backup bearing assembly 有权

    公开(公告)号：US11722033B2

    公开(公告)日：2023-08-08

    申请号：US17410519

    申请日：2021-08-24

    Applicant: Bell Textron Inc.

    Inventor： Grant Michael Beall ,  Michael Raymond Hull

    IPC: H05K7/08 ,  H02K7/08 ,  F16C35/063

    CPC classification number: H02K7/088 ,  F16C35/063 ,  F16C2380/26 ,  H02K2213/06

    Abstract: An electric motor adapted to apply torque to a drive shaft rotatable about an axis, the electric motor includes a stator, a rotor adapted to rotate relative to the stator, a primary bearing interoperably coupled to the stator and adapted to provide bearing support between the stator and the rotor, an auxiliary bearing interoperably coupled to the drive shaft, an annular shear adapter connected to the primary bearing and the auxiliary bearing, and a shear pin interoperably coupled to the primary bearing via the annular shear adapter and configured to break responsive to torque between the annular shear adapter and the drive shaft exceeding a predetermined torque threshold.

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