Rotating brush seal

US9255486B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9255486-B2
Application numberUS-201213554048-A
CountryUS
Kind codeB2
Filing dateJul 20, 2012
Priority dateMar 28, 2011
Publication dateFeb 9, 2016
Grant dateFeb 9, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A brush seal for use between a rotating component and a stationary component in a turbomachine is disclosed. The brush seal according to embodiments of this invention includes a set of bristles having a fixed end and a free end, wherein the fixed end is attached to the rotating component with a mechanical clamping element and the free end extends towards the stationary component, and wherein the set of bristles are angled axially at an axial angle with respect to the rotating component. In one embodiment, the fixed end of the set of bristles are wrapped at least partially around a core element and the clamping element partially surrounds the core element and the fixed end of the set of bristles, wherein the clamping element secures the fixed end of the set of bristles within a circumferential groove in the rotating component.

First claim

Opening claim text (preview).

What is claimed is: 1. A brush seal for use between a rotating component and a stationary component in a turbomachine, the brush seal comprising: a set of flexible bristles having a fixed end and a free end; a circumferential groove in the rotating component, the circumferential groove having a downstream side and an upstream side; a conical retaining plate, wherein the conical retaining plate is attached to the downstream side of the circumferential groove; wherein the fix…

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What does patent US9255486B2 cover?
A brush seal for use between a rotating component and a stationary component in a turbomachine is disclosed. The brush seal according to embodiments of this invention includes a set of bristles having a fixed end and a free end, wherein the fixed end is attached to the rotating component with a mechanical clamping element and the free end extends towards the stationary component, and wherein th…
Who is the assignee on this patent?
Lu Guoqiang, Demiroglu Mehmet, Roy Binayak, and 3 more
What technology area does this patent fall under?
Primary CPC classification F01D11/001. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Feb 09 2016 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).