Tip turbine engine composite tailcone
US-9845727-B2 · Dec 19, 2017 · US
Gas-driven propulsor with tip turbine fan
US8943792B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8943792-B2 |
| Application number | US-201113172099-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 29, 2011 |
| Priority date | Jun 29, 2011 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
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- Title
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Abstract
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An engine comprises a gas generator having an exhaust plenum and a propulsor comprising a propulsion fan coaxially mounted within an annular turbine. The annular turbine comprises a turbine duct and a plurality of turbine rotor blades rotationally coupled to the propulsion fan. A plurality of hollow struts extend axially and radially from the gas generator to the annular turbine. The hollow struts comprise flow ducts connecting the exhaust plenum to the turbine duct.
First claim
Opening claim text (preview).
The invention claimed is: 1. An assembly for an aircraft engine comprising: a gas generator having an exhaust plenum; a propulsor comprising a propulsion fan coaxially mounted within an annular turbine assembly, wherein the propulsion fan comprises first and second fan stages coaxially mounted within the annular turbine assembly, wherein the first and second fan stages are counter-rotating, wherein the first and second fan stages comprise different numbers of fan blades, and whe…
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Cross-Sectional Technologies · mapped topic
- F02C3/073Primary
Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8943792B2 cover?
- An engine comprises a gas generator having an exhaust plenum and a propulsor comprising a propulsion fan coaxially mounted within an annular turbine. The annular turbine comprises a turbine duct and a plurality of turbine rotor blades rotationally coupled to the propulsion fan. A plurality of hollow struts extend axially and radially from the gas generator to the annular turbine. The hollow str…
- Who is the assignee on this patent?
- Roberge Gary D, Sabnis Jayant, United Technologies Corp
- What technology area does this patent fall under?
- Primary CPC classification F02C3/073. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Feb 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).