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公开(公告)号：US11137032B1
公开(公告)日：2021-10-05
申请号：US16887526
申请日：2020-05-29
Inventor： Cody Anderson , Gilberto Morales , Lawrence Mark Zunski
IPC: F16C19/04 , B64C27/06 , F16C19/18 , F16C35/06 , F16C35/07 , F16C37/00 , F16C35/073 , F16C35/067 , F16C33/58
Abstract: An example of a ceramic bearing system includes a shaft comprising two radially extending shoulders that define a channel therebetween, a first tolerance ring disposed in the channel of the shaft, and a bearing assembly comprising a ceramic bearing. The bearing assembly is positioned around the first tolerance ring and has an axial length that is longer than an axial length of the first tolerance ring.
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公开(公告)号：US11136121B1
公开(公告)日：2021-10-05
申请号：US16841007
申请日：2020-04-06
Applicant: Bell Textron Inc.
Inventor： James Everett Kooiman , Jeffrey Matthew Williams , Clegg Benjamin Brian Smith , Michael E. Rinehart , Franklin Foster Caldwell , Tjepke Heeringa
Abstract: A system is described and includes at least one track attached to an upper interior surface of a payload bay and extending along a bottom surface of a vehicle structure external to the payload bay, wherein the track comprises a horizontal flange; a rack moveably connected to the at least one track via at least one carrier assembly; and a payload actuator system for selectively extending the rack from the payload bay along the at least one track to a position from which payload carried by the rack may be safely deployed and retracting the rack into the payload bay along the at least one track.
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公开(公告)号：US20210291989A1
公开(公告)日：2021-09-23
申请号：US16824488
申请日：2020-03-19
Applicant: Bell Textron Inc.
Inventor： Andrew Paul Haldeman , Amarjit Olenchery Kizhakkepat , Gary Miller , Diana Tinlin , Glenn Shimek
Abstract: One embodiment is a rotor system including a rotor hub comprising a plurality of extension arms for connecting rotor blades to the rotor hub; a plurality of dampers connected between a respective one of the extension arms and the rotor hub; and a fairing disposed over the rotor hub, the fairing including an inlet plenum through which air is drawn from outside the fairing into the fairing; and at least one duct for conducting the air toward the at least one of the dampers.
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公开(公告)号：US11123900B2
公开(公告)日：2021-09-21
申请号：US15710811
申请日：2017-09-20
Applicant: Bell Helicopter Textron Inc.
Inventor： David G. Carlson
Abstract: In one embodiment, a method may comprise heating a composite material into a viscous form, wherein the composite material comprises a thermoplastic and a plurality of reinforcement fibers, wherein the plurality of reinforcement fibers is randomly arranged within the thermoplastic. The method may further comprise extruding a plurality of strands of the composite material, wherein extruding the plurality of strands causes the plurality of reinforcement fibers within each strand to align. The method may further comprise arranging the plurality of strands of the composite material to form a mold tool, wherein the mold tool is configured to mold a composite structure at a heated temperature, and wherein the mold tool comprises an anisotropic thermal expansion property, wherein the anisotropic thermal expansion property is based on an orientation of the plurality of reinforcement fibers within the mold tool.
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公开(公告)号：US20210284328A1
公开(公告)日：2021-09-16
申请号：US16816577
申请日：2020-03-12
Applicant: Bell Textron Inc. , Textron Aviation Inc.
Inventor： Kent E. DONALDSON , Phillip A. KENDRICK , Kyle SMOLAREK
Abstract: An aircraft includes a wing positioned below a vertical rotor, the wing extending in a transverse direction to a wingtip having an outboard face, and a turbulence feature located on the wingtip and oriented to induce turbulence in the rotor downwash flowing across the outboard face in a direction from a top surface of the wing to a bottom surface of the wing.
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Patent Agency Ranking
公开(公告)号：US11117655B2
公开(公告)日：2021-09-14
申请号：US16436406
申请日：2019-06-10
Applicant: Bell Textron Inc.
Inventor： Kirk L. Groninga , Daniel B. Robertson
Abstract: An exemplary tail rotor includes a first blade assembly configured to rotate in a first direction about an axis of rotation and a second blade assembly configured to rotate in a second direction about the axis of rotation.
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公开(公告)号：US11117654B2
公开(公告)日：2021-09-14
申请号：US16277504
申请日：2019-02-15
Applicant: Bell Helicopter Textron Inc.
Inventor： Aaron Alexander Acee , Andrew Paul Haldeman , Colin John Thomas
Abstract: A method of controlling a tail rotor system includes pivoting a swashplate of the tail rotor system about an axis passing through a diameter of the swashplate. Pivoting the swashplate causes a first linkage of a first pair of linkages coupled between the swashplate and a collective crosshead to move in a first direction and a second linkage of the first pair of linkages coupled between the swashplate and the collective crosshead to move in a second direction that is opposite the first direction. The movement of the first and second linkages causes a plane of rotation of a pair of rotors of the tail rotor system to cant relative to a centerline of a mast of the tail rotor system. A tail rotor system is also disclosed.
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公开(公告)号：US20210276707A1
公开(公告)日：2021-09-09
申请号：US16808851
申请日：2020-03-04
Applicant: Bell Textron Inc.
Inventor： William Kyle Heironimus , Stephen Yibum Chung
IPC: B64C27/68 , B64D33/08 , B64C27/605 , B64D27/24 , B64C29/00 , H02K5/22 , H02K7/108 , H02K7/116 , H02K9/06 , H02K9/193
Abstract: One embodiment is an electric drive system including a plurality of redundant motors, wherein power generated by the plurality of motors is used to drive a rotor system comprising a rotor shaft having a plurality of rotor blades connected thereto via a swashplate; a gear box associated with the plurality of redundant motors; a cyclic actuation system for controlling an individual pitch of the rotor blades connected to the swashplate; and at least one structural element for retaining the redundant motors, the gear box, and the cyclic actuation system together as a single integrated unit.
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公开(公告)号：US11105288B1
公开(公告)日：2021-08-31
申请号：US17002906
申请日：2020-08-26
Applicant: Textron Inc.
Inventor： Zekarias W. Yohannes , Justin Williams
Abstract: A method for cold engine starting in a pedal-start vehicle that comprises determining an ICE temperature value of an internal combustion engine of the vehicle upon starting the engine via depression of an accelerator, then comparing the ICE temperature value to a predetermined ICE temperature threshold value. Thereafter, when the ICE temperature value is below a predetermined ICE threshold value, controlling operation of the engine such that an RPM of the internal combustion engine remains within a predetermined idle RPM range for a predetermined amount of time, regardless of throttle control commands from the accelerator pedal of the vehicle, or when the ICE temperature value is equal to or greater than the predetermined ICE threshold value, or controlling operation of the internal combustion engine in accordance with the throttle control commands from the accelerator pedal.
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公开(公告)号：US20210254518A1
公开(公告)日：2021-08-19
申请号：US17164136
申请日：2021-02-01
Applicant: Bell Textron Inc.
Inventor： Scott David Poster
Abstract: 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. The full-bypass indicator is capable of reporting a full-bypass condition of the oil filter system.
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