Helicopter rotor yoke
US-9073625-B1 · Jul 7, 2015 · US
Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping
US9505489B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9505489-B2 |
| Application number | US-201313801965-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 13, 2013 |
| Priority date | Mar 13, 2013 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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- Title
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Abstract
Official abstract text for this publication.
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.
First claim
Opening claim text (preview).
What is claimed is: 1. A flexible joint assembly for providing flexure to a rotor blade, the flexible joint assembly comprising: an upper hub plate and a lower hub plate configured to secure a rotor blade yoke via a bolted joint through the rotor blade yoke and the upper and lower hub plates, the 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…
Assignees
Inventors
Classifications
- B64C27/33Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9505489B2 cover?
- 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 assemb…
- Who is the assignee on this patent?
- Bell Helicopter Textron Inc
- What technology area does this patent fall under?
- Primary CPC classification B64C27/33. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).