Invention Grant
US09505489B2 Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping
有权
弯曲U形夹配置螺栓连接附件，用于具有高偏移和高拍打的柔性转子毂
- Patent Title: Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping
- Patent Title (中): 弯曲U形夹配置螺栓连接附件，用于具有高偏移和高拍打的柔性转子毂
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Application No.: US13801965Application Date: 2013-03-13
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Publication No.: US09505489B2Publication Date: 2016-11-29
- Inventor: Drew Sutton , Frank B. Stamps , Patrick Ryan Tisdale , Paul Oldroyd
- Applicant: Bell Helicopter Textron Inc.
- Applicant Address: US TX Fort Worth
- Assignee: BELL HELICOPTER TEXTRON INC.
- Current Assignee: BELL HELICOPTER TEXTRON INC.
- Current Assignee Address: US TX Fort Worth
- Main IPC: B64C27/33
- IPC: B64C27/33 ; B64C27/48 ; B64C11/02 ; B64C27/32
Abstract:
A flexible joint assembly for providing flexure to a rotor blade comprising an upper hub plate and a lower hub plate configured to secure a rotor blade yoke via a bolted joint located radially outward of a mast; and an upper flexure assembly connected to the upper hub plate and a lower flexure assembly connected to the lower hub plate, wherein the upper flexure assembly and lower flexure assembly are configured to promote flapping of the rotor blade yoke about a flapping hinge located radially outward of the bolted joint.
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