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公开(公告)号:US20150122953A1
公开(公告)日:2015-05-07
申请号:US14069425
申请日:2013-11-01
Applicant: Bell Helicopter Textron Inc.
Inventor: Michael Burnett , Christopher Foskey , Joel McIntyre
CPC classification number: F16H21/00 , B64C27/22 , B64C27/33 , B64C27/35 , B64C29/0033 , F16C19/30 , F16C27/063 , F16D3/62 , F16F1/3849 , F16F1/387 , F16F1/393 , Y10T74/20006
Abstract: According to one embodiment, a drive link includes a first bearing housing, a second bearing housing, and a central portion coupled between the first bearing housing and the second bearing housing. The central portion has less torsional stiffness than the first and second bearing housings such that the central portion twists in response to cocking of the first bearing housing relative to the second bearing housing.
Abstract translation: 根据一个实施例,驱动连杆包括第一轴承壳体,第二轴承壳体和联接在第一轴承壳体和第二轴承壳体之间的中心部分。 中心部分具有比第一和第二轴承壳体更小的扭转刚度,使得中心部分响应于第一轴承壳体相对于第二轴承壳体的翘起而扭转。
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公开(公告)号:US10744727B2
公开(公告)日:2020-08-18
申请号:US15464822
申请日:2017-03-21
Applicant: Bell Helicopter Textron Inc.
Inventor: Michael Burnett , Wei-Yueh Lee , Michael Dearman
IPC: B29C70/54 , B29C70/56 , G01M5/00 , G01N3/08 , B29C70/32 , G01N3/02 , G01N3/04 , G06F30/23 , B29C70/30 , B29K105/00
Abstract: In a first aspect, there is a method of making a specimen with a predetermined wrinkle defect, the steps including orienting a composite material around a layup tool at a wrap angle to form a closed loop; and generating at least one wrinkle with a predetermined characteristic in a portion of the closed loop to form a specimen. The predetermined characteristic is at least one of the following: wrinkle location, an outward wrinkle, an inward wrinkle, a wrinkle width, a wrinkle height, and a wrinkle length. In another aspect, there is a method of determining allowable defects for a composite component.
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公开(公告)号:US20170334548A1
公开(公告)日:2017-11-23
申请号:US15161215
申请日:2016-05-21
Applicant: Bell Helicopter Textron Inc.
Inventor: Christopher Foskey , Michael Burnett , Jeffrey Bosworth , Jared Mark Paulson , Joel McIntyre , Paul K. Oldroyd
CPC classification number: B64C11/26 , B64C11/24 , B64C27/473 , B64C29/0033 , B64C2027/4736
Abstract: A tiltrotor aircraft includes a fuselage, a wing member extending from the fuselage, an engine disposed relative to the wing member and a proprotor mechanically coupled to the engine. The proprotor includes a plurality of proprotor blade assemblies each including a spar and a sheath extending spanwise along the spar forming the leading edge of the proprotor blade assembly. The spar has a root section, a main section and a tip section. The spar has a generally oval cross section at radial stations along the main section and a first edge having a structural bias relative to a generally oppositely disposed second edge at the radial stations along the main section.
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公开(公告)号:US10746640B2
公开(公告)日:2020-08-18
申请号:US15464681
申请日:2017-03-21
Applicant: Bell Helicopter Textron Inc.
Inventor: Wei-Yueh Lee , Michael Burnett , Michael Dearman
IPC: G01N3/08 , B29C70/30 , B29C70/56 , G01M5/00 , G01N3/02 , G01N3/04 , B29C70/32 , G06F30/23 , B29C70/54 , G01N3/22 , B29L23/00
Abstract: There is a method of making a tubular specimen with a predetermined wrinkle defect including providing a layup tool with a cavity forming member having a cavity which resembles a desired shape of the at least one wrinkle; orienting a composite material around the mandrel at a wrap angle to form a closed loop; positioning a wrinkle tool on the closed loop; and/or generating at least one wrinkle with a predetermined characteristic in a portion of the closed loop to form a tubular specimen. The predetermined characteristic is at least one of the following: wrinkle location, an outward wrinkle, an inward wrinkle, a wrinkle width, a wrinkle height, and a wrinkle length. In another aspect, there is a method of offset load testing a tubular composite specimen. In a third aspect, there is a method of determining allowable defects for a composite component.
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公开(公告)号:US10239604B2
公开(公告)日:2019-03-26
申请号:US15161215
申请日:2016-05-21
Applicant: Bell Helicopter Textron Inc.
Inventor: Christopher Foskey , Michael Burnett , Jeffrey Bosworth , Jared Mark Paulson , Joel McIntyre , Paul K. Oldroyd
IPC: B64C11/26 , B64C29/00 , B64C11/24 , B64C27/473
Abstract: A tiltrotor aircraft includes a fuselage, a wing member extending from the fuselage, an engine disposed relative to the wing member and a proprotor mechanically coupled to the engine. The proprotor includes a plurality of proprotor blade assemblies each including a spar and a sheath extending spanwise along the spar forming the leading edge of the proprotor blade assembly. The spar has a root section, a main section and a tip section. The spar has a generally oval cross section at radial stations along the main section and a first edge having a structural bias relative to a generally oppositely disposed second edge at the radial stations along the main section.
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公开(公告)号:US20180275030A1
公开(公告)日:2018-09-27
申请号:US15464681
申请日:2017-03-21
Applicant: Bell Helicopter Textron Inc.
Inventor: Wei-Yueh Lee , Michael Burnett , Michael Dearman
Abstract: There is a method of making a tubular specimen with a predetermined wrinkle defect including providing a layup tool with a cavity forming member having a cavity which resembles a desired shape of the at least one wrinkle; orienting a composite material around the mandrel at a wrap angle to form a closed loop; positioning a wrinkle tool on the closed loop; and/or generating at least one wrinkle with a predetermined characteristic in a portion of the closed loop to form a tubular specimen. The predetermined characteristic is at least one of the following: wrinkle location, an outward wrinkle, an inward wrinkle, a wrinkle width, a wrinkle height, and a wrinkle length. In another aspect, there is a method of offset load testing a tubular composite specimen. In a third aspect, there is a method of determining allowable defects for a composite component.
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公开(公告)号:US09657816B2
公开(公告)日:2017-05-23
申请号:US14069425
申请日:2013-11-01
Applicant: Bell Helicopter Textron Inc.
Inventor: Michael Burnett , Christopher Foskey , Joel McIntyre
IPC: B64C27/32 , F16H21/00 , B64C27/33 , B64C27/35 , F16D3/62 , F16F1/387 , F16F1/393 , B64C27/22 , F16C19/30 , F16C27/06 , B64C29/00
CPC classification number: F16H21/00 , B64C27/22 , B64C27/33 , B64C27/35 , B64C29/0033 , F16C19/30 , F16C27/063 , F16D3/62 , F16F1/3849 , F16F1/387 , F16F1/393 , Y10T74/20006
Abstract: A drive link includes a first bearing housing, a second bearing housing, and a central portion coupled between the first bearing housing and the second bearing housing. The central portion includes a central radial bearing configured such that the central portion twists in response to cocking of the first bearing housing relative to the second bearing housing.
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公开(公告)号:US20180272629A1
公开(公告)日:2018-09-27
申请号:US15464822
申请日:2017-03-21
Applicant: Bell Helicopter Textron Inc.
Inventor: Michael Burnett , Wei-Yueh Lee , Michael Dearman
Abstract: In a first aspect, there is a method of making a specimen with a predetermined wrinkle defect, the steps including orienting a composite material around a layup tool at a wrap angle to form a closed loop; and generating at least one wrinkle with a predetermined characteristic in a portion of the closed loop to form a specimen. The predetermined characteristic is at least one of the following: wrinkle location, an outward wrinkle, an inward wrinkle, a wrinkle width, a wrinkle height, and a wrinkle length. In another aspect, there is a method of determining allowable defects for a composite component.
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