Blade member and structural member
US-2024102389-A1 · Mar 28, 2024 · US
Airfoils including tip profile for noise reduction and method for fabricating same
US9102397B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102397-B2 |
| Application number | US-201113330766-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 20, 2011 |
| Priority date | Dec 20, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An airfoil, a fan assembly and an unducted contra-rotating fan engine include fabricating at least one airfoil including a suction and a pressure side coupled together at a leading and a trailing edge and extending therebetween. The airfoil includes a plurality of chord sections having a chord length. The airfoil including a tip profile defining a reducing slope extending from the leading edge at the tip portion along at least a portion of the chord length. The tip profile is configured to reduce the high unsteady pressure near the tip portion of the airfoil.
First claim
Opening claim text (preview).
The invention claimed is: 1. An unducted contra-rotating fan engine comprising: an unducted fan section including a first fan blade row and a second fan blade row axially spaced aftward from the first fan blade row, the second fan blade row including a plurality of airfoils, each airfoil comprising: a root portion and a tip portion defining a leading edge tip, wherein the tip portion is configured extending radially outward from the root portion; a suction side and a pressure s…
Assignees
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Classifications
- F01D5/141Primary
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US9102397B2 cover?
- An airfoil, a fan assembly and an unducted contra-rotating fan engine include fabricating at least one airfoil including a suction and a pressure side coupled together at a leading and a trailing edge and extending therebetween. The airfoil includes a plurality of chord sections having a chord length. The airfoil including a tip profile defining a reducing slope extending from the leading edge …
- Who is the assignee on this patent?
- Wood Trevor Howard, Gen Electric
- What technology area does this patent fall under?
- Primary CPC classification F01D5/141. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 11 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).