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公开(公告)号：US11454991B2
公开(公告)日：2022-09-27
申请号：US16918596
申请日：2020-07-01
Applicant: Bell Textron Inc.
Inventor： Michael McNair , Juan Li , Kip Gregory Campbell
Abstract: A method of autonomous flight path planning for a group of cooperating aircraft operating in formation includes: receiving information related to obstructions that interfere with an aircraft of the group continuing on a flight path; calculating a velocity obstacle for each obstruction; calculating a plurality of candidate velocities outside of the velocity obstacles; selecting a first velocity from the candidate velocities and operating a leader of the group at the first velocity; calculating, based upon keeping a follower aircraft in formation, a second velocity for the follower; determining whether the second velocity is inside one of the velocity obstacles; operating the follower at the second velocity when the second velocity is outside the velocity obstacles; and calculating a revised velocity that is outside of the velocity obstacles and operating the follower at the revised velocity when the second velocity is inside one of the velocity obstacles.
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公开(公告)号：US11440276B2
公开(公告)日：2022-09-13
申请号：US16922831
申请日：2020-07-07
Applicant: Bell Textron Inc.
Inventor： Michael Burnett , Wei-Yueh Lee , Michael Dearman
IPC: B29C70/56 , G01M5/00 , G01N3/08 , B29C70/32 , G01N3/02 , G01N3/04 , G06F30/23 , B29C70/30 , B29C70/54 , B29K105/00
Abstract: In an aspect, there is a method of determining allowable defects for a composite component comprising identifying at least one wrinkle characteristic of a composite component wrinkle defect; making a first plurality of specimens each having a predetermined wrinkle defect representative of the composite component wrinkle defect; measuring each of the predetermined wrinkle defects in the first plurality of specimens for at least one performance metric to generate performance data; and generating an allowable wrinkle defect profile based on the performance data from the first plurality of specimens. In other aspects, there are methods of making a specimen with a predetermined wrinkle defect.
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公开(公告)号：US11437803B2
公开(公告)日：2022-09-06
申请号：US16854867
申请日：2020-04-21
Applicant: Bell Textron, Inc.
Inventor： Phalgun Madhusudan
Abstract: According to one implementation of the present disclosure, a method for field destabilization is disclosed. The method includes detecting, on or proximate to one or more aerial surfaces, a presence of an electric-field above a predetermined threshold; positioning the one or more antennas towards the one or more aerial surfaces; and transmitting electromagnetic waves towards the one or more aerial surfaces.
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公开(公告)号：US11428614B2
公开(公告)日：2022-08-30
申请号：US16912934
申请日：2020-06-26
Applicant: Bell Textron Inc.
Inventor： Xiaoming Li , Bogdan R. Krasnowski , Robert A. Figueroa , Robert Wardlaw
IPC: G01N3/62 , G01N3/02 , G06F30/15 , G06F119/18
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.
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公开(公告)号：US11427314B2
公开(公告)日：2022-08-30
申请号：US15980452
申请日：2018-05-15
Applicant: Bell Textron Inc.
Inventor： Kynn Jerald Schulte , Troy Cyril Schank
Abstract: In one embodiment, a local control system for a rotor assembly of an apparatus includes a first actuator disposed in the rotor assembly and configured to control motion of a first controllable element in the rotor assembly. The rotor assembly is mounted to the apparatus and is rotated responsive to torque and rotational energy provided thereto. The local control system also includes a first sensor disposed in the rotor assembly and configured to provide position feedback in relation to the first controllable element. The local control system also includes a first local control computer disposed in the rotor assembly and communicably coupled to a first central control computer disposed in the apparatus external to the rotor assembly, where the first local control computer is configured to transmit a control signal to the first actuator and receive a feedback signal from the first sensor.
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Patent Agency Ranking
公开(公告)号：US11424605B2
公开(公告)日：2022-08-23
申请号：US16858542
申请日：2020-04-24
Applicant: Bell Textron, Inc.
Inventor： Phalgun Madhusudan
Abstract: According to one implementation of the present disclosure, a method is disclosed. The method includes: detecting, on or proximate to one or more surfaces of an aircraft, a presence of an electric-field above a predetermined threshold; and in response to the detection, activating one or more beam sources to generate an ionized column of charge away from the aircraft.
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公开(公告)号：US20220255175A1
公开(公告)日：2022-08-11
申请号：US17172366
申请日：2021-02-10
Applicant: Bell Textron Inc.
Inventor： William A. Amante , Steven Loveland , Jessica A. Revere
IPC: H01M50/249 , H01M10/613 , H01M10/6554 , H01M10/625 , H01M10/6556 , H01M50/244
Abstract: A battery assembly for an aircraft includes a cold plate having an upper planar member, a lower planar member, and at least one fluid channel positioned between the upper and lower planar members and configured to receive a cooling fluid. The battery assembly also includes an upper battery mounted to the upper planar member for transferring heat from the upper battery to the cooling fluid through the upper planar member. The battery assembly further includes a lower battery mounted to the lower planar member for transferring heat from the lower battery to the cooling fluid through the lower planar member.
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公开(公告)号：US11408484B2
公开(公告)日：2022-08-09
申请号：US17086876
申请日：2020-11-02
Applicant: Bell Textron Inc.
Inventor： Gregory Alan Spruce , Alan Wayne Falls , Douglas Robert Mueller
IPC: F16H57/08 , F16H57/023 , F16H1/28 , F16H57/00
Abstract: In one embodiment of the present disclosure, there is provided a planetary gear system. The planetary gear system includes a split double helical ring gear having a first ring gear with first helical ring teeth and a second ring gear with second helical ring teeth, a split double helical sun gear having a first sun gear with first helical sun teeth and a second sun gear with second helical sun teeth, a sun gear coupler coupling the first sun gear and the second sun gear; and a single-piece double helical planet pinion having a first helical planet teeth portion and a second helical planet teeth portion, where the first helical planet teeth mesh with the first helical sun teeth and the first helical ring teeth, and the second helical planet teeth mesh with the second helical sun teeth and the second helical ring teeth.
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公开(公告)号：US20220242584A1
公开(公告)日：2022-08-04
申请号：US17161986
申请日：2021-01-29
Applicant: Bell Textron Inc.
Inventor： Steven R. Ivans , Kirk L. Groninga
Abstract: An aircraft includes fuselage, a seat, and battery compartment. Fuselage extends along a longitudinal axis. Seat is configured to support a passenger. The battery compartment that includes a battery configured to provide power to propel the aircraft. The battery compartment, including the battery, is located laterally adjacent to the seat along the longitudinal axis.
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公开(公告)号：US20220234728A1
公开(公告)日：2022-07-28
申请号：US17155981
申请日：2021-01-22
Applicant: Bell Textron Inc.
Inventor： Kirk L. Groninga , Danielle L. Moore
Abstract: A vertical takeoff and landing aircraft is described in which rotors can be disposed underneath the booms. This will allow for zero downward force resulting from thrust on the aircraft and therefore greater energy efficiency. Retractable doors can shield the rotors when not in use, decreasing drag during forward flight.
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