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公开(公告)号:US11718390B2
公开(公告)日:2023-08-08
申请号:US17076399
申请日:2020-10-21
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Erik John Oltheten , Carlos Alexander Fenny
CPC classification number: B64C27/08 , B64C27/00 , B64C27/20 , B64C27/82 , B64C2027/8281
Abstract: A propulsion system for a rotorcraft includes a first fan assembly including a plurality of first fan blades, a second fan assembly including a plurality of second fan blades and a drive system adapted to provide torque to the first and second fan blades. The first fan blades have a larger rotational inertia than the second fan blades. The second fan blades are adapted to experience a larger angular acceleration than the first fan blades in response to torque from the drive system, thereby providing responsive thrust control for the rotorcraft.
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公开(公告)号:US10752360B2
公开(公告)日:2020-08-25
申请号:US15832689
申请日:2017-12-05
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Olivier Andre Boisvert , Guillaume Noiseux-Boucher , Steve Loveland , Sebastien Duval
IPC: B64D11/06 , B60R22/343 , B60R22/347 , B60R22/415 , B60R22/44
Abstract: A modal restraint system for an occupant of a seat of an aircraft includes a strap feeder unit and a strap selectively retractable into and extendable from the strap feeder unit. The strap is positionable adjacent to the occupant so as to dispose the occupant between the strap and the seat. The strap feeder unit is adapted to switch between a plurality of modes including a fixed mode and an unfixed mode. The strap is substantially unextendable from the strap feeder unit in the fixed mode. The strap is extendable from and retractable into the strap feeder unit in the unfixed mode. The strap feeder unit is in the fixed mode by default. The strap feeder unit is operable to switch to the unfixed mode in response to a user input, thereby increasing freedom of movement of the occupant relative to the seat of the aircraft.
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公开(公告)号:US10710725B2
公开(公告)日:2020-07-14
申请号:US15832694
申请日:2017-12-05
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Olivier Andre Boisvert , Guillaume Noiseux-Boucher , Steve Loveland , Sebastien Duval
Abstract: A modal restraint system for an occupant of a seat of an aircraft includes a strap feeder unit and a strap selectively retractable into and extendable from the strap feeder unit. The strap is positionable adjacent to the occupant so as to dispose the occupant between the strap and the seat. The strap feeder unit is adapted to switch between a plurality of modes including an unfixed mode and a fixed mode. The strap is extendable from and retractable into the strap feeder unit in the unfixed mode. The strap is substantially unextendable from the strap feeder unit in the fixed mode. The strap feeder unit is in the unfixed mode by default. The strap feeder unit is operable to switch to the fixed mode in response to a precautionary event, thereby reducing freedom of movement of the occupant relative to the seat of the aircraft.
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公开(公告)号:US20200156777A1
公开(公告)日:2020-05-21
申请号:US15896307
申请日:2018-02-14
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Erik John Oltheten , Carlos Alexander Fenny
Abstract: An anti-torque system for a rotorcraft includes a first tail fan assembly including a plurality of first fan blades, a second tail fan assembly including a plurality of second fan blades and a motor adapted to provide torque to the first and second fan blades. The first fan blades have a larger rotational inertia than the second fan blades. The second fan blades are adapted to experience a larger angular acceleration than the first fan blades in response to torque from the motor, thereby providing responsive yaw control for the rotorcraft.
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公开(公告)号:US11932125B2
公开(公告)日:2024-03-19
申请号:US17536561
申请日:2021-11-29
Applicant: TEXTRON INNOVATIONS INC.
Inventor: Andrew Haldeman , Eric A. Sinusas , Frank Bradley Stamps
CPC classification number: B60L53/12 , B64C27/06 , B64C27/12 , B64C27/82 , B64D27/24 , H02P3/04 , H02P3/14 , B64C2027/8209 , B64C2027/8227 , B64C2027/8236 , B64C2027/8254 , B64D27/026 , B64D2221/00
Abstract: A system and method for slowing the rotation of a rotor using, for example, rotor brake system for a rotorcraft comprises: one or more generators connected to a main rotor gearbox; an electric distributed anti-torque system mounted on a tail boom of the rotorcraft comprising two or more electric motors connected to the one or more generators, wherein the two or more electric motors are connected to one or more blades; and wherein a rotation of the rotor is slowed by placing a drive load on the main rotor gearbox with the one or more generators to bleed the mechanical power from rotor into electrical power via the two or more electric motors, wherein the electric distributed anti-torque system generates thrust in opposing directions.
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公开(公告)号:US11332240B2
公开(公告)日:2022-05-17
申请号:US17035629
申请日:2020-09-28
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Erik John Oltheten , Carlos Alexander Fenny
Abstract: An anti-torque system for a rotorcraft includes a first tail fan assembly including a plurality of first fan blades and a second tail fan assembly including a plurality of second fan blades. The first tail fan assembly has a larger diameter than the second tail fan assembly. The first fan blades have a larger rotational inertia than the second fan blades such that the second fan blades experience a larger angular acceleration than the first fan blades in response to torque, thereby providing yaw control for the rotorcraft.
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公开(公告)号:US11220341B2
公开(公告)日:2022-01-11
申请号:US16896041
申请日:2020-06-08
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Olivier Andre Boisvert , Guillaume Noiseux-Boucher , Steve Loveland , Sebastien Duval
Abstract: A modal restraint system for an occupant of a seat of an aircraft having a mechanical failure sensor includes a strap feeder unit and a strap selectively retractable into and extendable from the strap feeder unit. The strap is positionable adjacent to the occupant. The strap feeder unit is adapted to switch between a plurality of modes including an unfixed mode and a fixed mode. The strap is extendable from and retractable into the strap feeder unit in the unfixed mode. The strap is substantially unextendable from the strap feeder unit in the fixed mode. The strap feeder unit is in the unfixed mode by default. The strap feeder unit is operable to switch to the fixed mode in response to a precautionary event including detection of an aircraft mechanical failure by the mechanical failure sensor, thereby reducing freedom of movement of the occupant relative to the seat.
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公开(公告)号:US20210061455A1
公开(公告)日:2021-03-04
申请号:US17035629
申请日:2020-09-28
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Erik John Oltheten , Carlos Alexander Fenny
Abstract: An anti-torque system for a rotorcraft includes a first tail fan assembly including a plurality of first fan blades and a second tail fan assembly including a plurality of second fan blades. The first tail fan assembly has a larger diameter than the second tail fan assembly. The first fan blades have a larger rotational inertia than the second fan blades such that the second fan blades experience a larger angular acceleration than the first fan blades in response to torque, thereby providing yaw control for the rotorcraft.
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公开(公告)号:US20200307798A1
公开(公告)日:2020-10-01
申请号:US16896041
申请日:2020-06-08
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Olivier Andre Boisvert , Guillaume Noiseux-Boucher , Steve Loveland , Sebastien Duval
Abstract: A modal restraint system for an occupant of a seat of an aircraft having a mechanical failure sensor includes a strap feeder unit and a strap selectively retractable into and extendable from the strap feeder unit. The strap is positionable adjacent to the occupant. The strap feeder unit is adapted to switch between a plurality of modes including an unfixed mode and a fixed mode. The strap is extendable from and retractable into the strap feeder unit in the unfixed mode. The strap is substantially unextendable from the strap feeder unit in the fixed mode. The strap feeder unit is in the unfixed mode by default. The strap feeder unit is operable to switch to the fixed mode in response to a precautionary event including detection of an aircraft mechanical failure by the mechanical failure sensor, thereby reducing freedom of movement of the occupant relative to the seat.
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公开(公告)号:US11597521B2
公开(公告)日:2023-03-07
申请号:US17542458
申请日:2021-12-05
Applicant: Textron Innovations Inc.
Inventor: Eric A. Sinusas , Olivier Andre Boisvert , Guillaume Noiseux-Boucher , Steve Loveland , Sebastien Duval
Abstract: A modal restraint system for an occupant of a seat of an aircraft. The modal restraint system includes a strap feeder unit and a strap selectively retractable into and extendable from the strap feeder unit. The strap feeder unit is adapted to switch between a plurality of modes including an unfixed mode and a fixed mode. The strap is extendable from and retractable into the strap feeder unit in the unfixed mode. The strap is substantially unextendable from the strap feeder unit in the fixed mode. The strap feeder unit is in the unfixed mode by default. The strap feeder unit is operable to switch from the unfixed mode to the fixed mode in response to a precautionary event including detection of an operational parameter that is beyond a predetermined threshold, thereby reducing freedom of movement of the occupant relative to the seat.
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