Actuator System In An Aircraft For Monitoring A No-Back Brake
US-2020324872-A1 · Oct 15, 2020 · US
Dynamic no-back brake having a damping element
US11603079B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11603079-B2 |
| Application number | US-201816770233-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 7, 2018 |
| Priority date | Dec 8, 2017 |
| Publication date | Mar 14, 2023 |
| Grant date | Mar 14, 2023 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The invention relates to a mechanical non-return mechanism for an aircraft application, wherein the aircraft application can be part of a flight control. The non-return mechanism comprises at least one drag brake, at least one main brake, and at least one ball ramp mechanism.
First claim
Opening claim text (preview).
The invention claimed is: 1. A mechanical non-return mechanism for an aircraft application as part of a flight control, comprising at least one drag brake, at least one main brake, at least one ball ramp mechanism, and at least one separate friction washer, wherein the main brake and the drag brake are spaced apart from one another and coupled to one another by said at least one separate friction washer, the friction washer is arranged in an axial direction between the main brake and the drag brake, and radial outer ( 5 ) and inner ( 6 ) regions of the friction washer ( 4 ) have different axial thicknesses. 2. A mechanical non-return mechanism in accordance with claim 1 , wherein the drag brake is arranged between the friction washer and the ball ramp mechanism in an axial direction of the non-return mechanism. 3. A mechanical non-return mechanism in accordance with claim 1 , wherein the friction washer comprises a region configured as hollow cylindrical and supported on a shaft in the radial direction. 4. A mechanical non-return mechanism in accordance with claim 1 , wherein a radially outer region of the friction washer is configured to be in contact with the main brake and the drag brake. 5. A mechanical non-return mechanism in accordance with claim 1 , wherein a radially outer region of the friction washer has a same radial position as balls of the ball ramp mechanism and/or contact regions of the drag brake and/or of the main brake. 6. A mechanical non-return mechanism in accordance with claim 1 , wherein the drag brake is coupled to a part of the ball ramp mechanism via a toothed arrangement and the main brake is coupled to another part of the ball ramp mechanism. 7. A mechanical non-return mechanism in accordance with claim 1 , wherein the friction washer is produced from bronze. 8. A mechanical non-return mechanism in accordance with claim 1 , wherein the non-return mechanism is configured such that friction is proportional to applied torque. 9. A mechanical non-return mechanism in accordance with claim 1 , wherein the non-return mechanism is configured to apply constant friction between ball ramp parts.
Assignees
Inventors
Classifications
- B60T7/12Primary
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Frequently asked questions
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- What does patent US11603079B2 cover?
- The invention relates to a mechanical non-return mechanism for an aircraft application, wherein the aircraft application can be part of a flight control. The non-return mechanism comprises at least one drag brake, at least one main brake, and at least one ball ramp mechanism.
- Who is the assignee on this patent?
- Liebherr Aerospace Lindenberg GmbH
- What technology area does this patent fall under?
- Primary CPC classification B60T7/12. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 14 2023 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).