Turbine engine gearbox
US-9222416-B2 · Dec 29, 2015 · US
Propfan engine
US8967967B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8967967-B2 |
| Application number | US-201213359194-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 26, 2012 |
| Priority date | Feb 22, 2011 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
Official abstract text for this publication.
The present disclosure relates to a propfan engine comprising: one or more rotor stages comprising a plurality of rotors; and an outer wall comprising an outer profile, at least a portion of the outer profile defining a substantially circular cross-section, wherein the diameter of the substantially circular cross-section increases in the direction of flow over the outer wall and downstream of a leading edge of the rotors, and the diameter increases at substantially all points defining the circumference of the substantially circular cross-section.
First claim
Opening claim text (preview).
The invention claimed is: 1. A propfan engine comprising: one or more rotor stages comprising a plurality of rotors; and an outer wall comprising an outer profile, at least a portion of the outer profile comprising a substantially circular cross-section, wherein the diameter of the substantially circular cross-section increases in the direction of flow over the outer wall and downstream of a leading edge of the rotors, and the diameter increases at substantially all points def…
Assignees
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Classifications
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
- F02K3/072Primary
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8967967B2 cover?
- The present disclosure relates to a propfan engine comprising: one or more rotor stages comprising a plurality of rotors; and an outer wall comprising an outer profile, at least a portion of the outer profile defining a substantially circular cross-section, wherein the diameter of the substantially circular cross-section increases in the direction of flow over the outer wall and downstream of a…
- Who is the assignee on this patent?
- Stretton Richard G, Howarth Nicholas, Rolls Royce Plc
- What technology area does this patent fall under?
- Primary CPC classification F02K3/072. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 03 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).