Airplane jet engine thrust reverser having gratings or cascades

US9109540B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9109540-B2
Application numberUS-201213681210-A
CountryUS
Kind codeB2
Filing dateNov 19, 2012
Priority dateMay 17, 2010
Publication dateAug 18, 2015
Grant dateAug 18, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A cascade thrust reverser for an airplane dual flow jet engine nacelle is provided that includes a front frame holding a plurality of cascades, a cowling slidably mounted between a direct jet position and a reverse jet position. The cowl includes a substantially annular diaphragm that is placed edge-to-edge with the front frame and radially inside said cascades when said cowl is located in the direct jet position. Thrust reversal flaps are pivotably mounted onto the diaphragm, and cylinders for actuating the cowl are also provided. Upstream ends of the cylinders are mounted on a stationary portion of the nacelle, and the downstream ends of the cylinders are mounted on an upstream edge of the diaphragm.

First claim

Opening claim text (preview).

What is claimed is: 1. A cascade thrust reverser for an airplane dual flow jet engine nacelle, comprising: a front frame holding a plurality of cascades and having cavities; a cowl slidably mounted between a direct jet position, in which it covers said cascades, and a reverse jet position, in which it uncovers said cascades, said cowl including a substantially annular diaphragm that is placed edge-to-edge with said front frame and radially inside said cascades when said cowl is…

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What does patent US9109540B2 cover?
A cascade thrust reverser for an airplane dual flow jet engine nacelle is provided that includes a front frame holding a plurality of cascades, a cowling slidably mounted between a direct jet position and a reverse jet position. The cowl includes a substantially annular diaphragm that is placed edge-to-edge with the front frame and radially inside said cascades when said cowl is located in the …
Who is the assignee on this patent?
Aircelle Sa
What technology area does this patent fall under?
Primary CPC classification F02K1/62. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Aug 18 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).