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公开(公告)号：US11643186B2
公开(公告)日：2023-05-09
申请号：US16679121
申请日：2019-11-08
Applicant: Bell Textron Inc.
Inventor： Karl Schroeder , William Anthony Amante , Joseph Richard Carpenter, Jr. , Christopher Marion Johnson
CPC classification number: B64C11/001 , B64C11/02 , B64C11/46 , B64D27/26 , B64C29/0033 , B64D2027/264
Abstract: A duct for a ducted-rotor aircraft may include internal structural components such as a spindle that is supported by a fuselage of the aircraft, first and second annular spars that are attached to an end of the spindle, a central hub that supports a motor of the aircraft, a plurality of stators that extend from the central hub to the second spar, and a plurality of ribs that are attached to the first spar and the second spar at respective opposed ends. The spindle may include an attachment interface to which the first and second spars are attached. The attachment interface may be disposed at the second end of the spindle. The attachment interface may define first and second arc-shaped planar surfaces to which the first and second spars, respectively, are attached.
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公开(公告)号：US11305867B2
公开(公告)日：2022-04-19
申请号：US16679117
申请日：2019-11-08
Applicant: Bell Textron Inc.
Inventor： Karl Schroeder , Christopher Marion Johnson , Joseph Richard Carpenter, Jr. , David G. Carlson
Abstract: A hub assembly for a ducted-rotor aircraft includes a plurality of stator supports, a first integral fitting that attaches to first ends of the stator supports, and a second integral fitting that attaches to second ends of the stator supports. The first fitting includes a plurality of motor attachment portions configured to locate and support a motor of the ducted-rotor aircraft, a plurality of fairing mounts configured to support attachment of an aerodynamic fairing to the hub assembly, and a plurality of stator locators configured to locate respective ones of the plurality of stator supports for attachment to the hub assembly. The first fitting has a body portion with an annular wall that supports the motor attachment portions, the fairing mounts, and the stator locators. The first fitting may be fabricated as a monolith that includes the body portion, motor attachment portions, fairing mounts, and stator locators.
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公开(公告)号：US20210139131A1
公开(公告)日：2021-05-13
申请号：US16679117
申请日：2019-11-08
Applicant: Bell Textron Inc.
Inventor： Karl Schroeder , Christopher Marion Johnson , Joseph Richard Carpenter, JR. , David G. Carlson
Abstract: A hub assembly for a ducted-rotor aircraft includes a plurality of stator supports, a first integral fitting that attaches to first ends of the stator supports, and a second integral fitting that attaches to second ends of the stator supports. The first fitting includes a plurality of motor attachment portions configured to locate and support a motor of the ducted-rotor aircraft, a plurality of fairing mounts configured to support attachment of an aerodynamic fairing to the hub assembly, and a plurality of stator locators configured to locate respective ones of the plurality of stator supports for attachment to the hub assembly. The first fitting has a body portion with an annular wall that supports the motor attachment portions, the fairing mounts, and the stator locators. The first fitting may be fabricated as a monolith that includes the body portion, motor attachment portions, fairing mounts, and stator locators.
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公开(公告)号：US20210139130A1
公开(公告)日：2021-05-13
申请号：US16679121
申请日：2019-11-08
Applicant: Bell Textron Inc.
Inventor： Karl Schroeder , William Anthony Amante , Joseph Richard Carpenter, JR. , Christopher Marion Johnson
Abstract: A duct for a ducted-rotor aircraft may include internal structural components such as a spindle that is supported by a fuselage of the aircraft, first and second annular spars that are attached to an end of the spindle, a central hub that supports a motor of the aircraft, a plurality of stators that extend from the central hub to the second spar, and a plurality of ribs that are attached to the first spar and the second spar at respective opposed ends. The spindle may include an attachment interface to which the first and second spars are attached. The attachment interface may be disposed at the second end of the spindle. The attachment interface may define first and second arc-shaped planar surfaces to which the first and second spars, respectively, are attached.
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