Gas-turbine engine with bleed-air tapping device

US8944754B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8944754-B2
Application numberUS-201213468461-A
CountryUS
Kind codeB2
Filing dateMay 10, 2012
Priority dateMay 12, 2011
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A gas-turbine engine with at least one compressor and at least one bleed-air tapping device, which includes an annular duct in a radially outer wall of a flow duct, and with an annular closing element, which is arranged in the region of the annular duct and can be moved in a substantially axial direction from a closed position to an open position, with the closing element having an annular flow divider projection which in the open position projects in the flow duct.

First claim

Opening claim text (preview).

What is claimed is: 1. A gas-turbine engine, comprising: at least one compressor including a flow duct, and at least one bleed-air tapping device, which includes: an annular duct in a radially outer wall of the flow duct, and an annular closing element, which is arranged in a region of the annular duct and is movable in a substantially axial direction from a closed position blocking passage from the flow duct through the annular duct to an open position permitting passage fro…

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What does patent US8944754B2 cover?
A gas-turbine engine with at least one compressor and at least one bleed-air tapping device, which includes an annular duct in a radially outer wall of a flow duct, and with an annular closing element, which is arranged in the region of the annular duct and can be moved in a substantially axial direction from a closed position to an open position, with the closing element having an annular flow…
Who is the assignee on this patent?
Pichel Sacha, Rolls Royce Deutschland
What technology area does this patent fall under?
Primary CPC classification F02C9/18. 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).