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Emergency gravity free-fall deployment systems for retractable aircraft landing gear assemblies
US9102403B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102403-B2 |
| Application number | US-201314094009-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 2, 2013 |
| Priority date | Dec 2, 2013 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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Systems are disclosed to allow for the landing gear doors to be opened in the event of an emergency gravity free-fall landing gear deployment with little or no contact with the landing gear tires. The emergency gear extension systems according to the embodiments disclosed herein thus permit the free-fall movement of the landing gear to be synchronized with the opening of the associated gear doors. That is, according to the embodiments disclosed herein deployment of the landing gear assembly is time-delayed relative to the opening of the associated gear door(s). In such a manner, the landing gear assembly is synchronously released only after the associated gear door is in a safe position during its opening sequence thereby avoiding the risk that the gear door will jam the full extension of the landing gear during an emergency gear deployment due to contact between the landing gear tires and the gear door.
First claim
Opening claim text (preview).
What is claimed is: 1. An emergency gravity free-fall landing gear deployment system for aircraft comprising: a landing gear assembly moveable between retracted and extended positions; a landing gear door having a closed condition when the landing gear assembly is in the retracted position and movable into an opened condition to allow the landing gear assembly to be moved into the extended position; a landing gear uplock mechanism which includes an uplock actuator having a pre…
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- What does patent US9102403B2 cover?
- Systems are disclosed to allow for the landing gear doors to be opened in the event of an emergency gravity free-fall landing gear deployment with little or no contact with the landing gear tires. The emergency gear extension systems according to the embodiments disclosed herein thus permit the free-fall movement of the landing gear to be synchronized with the opening of the associated gear doo…
- Who is the assignee on this patent?
- Embraer Sa
- What technology area does this patent fall under?
- Primary CPC classification B64C25/30. Mapped technology areas include Operations & Transport.
- 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).