Non-contact labyrinth seal assembly and method of construction thereof

US8991829B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8991829-B2
Application numberUS-201213708294-A
CountryUS
Kind codeB2
Filing dateDec 7, 2012
Priority dateNov 20, 2007
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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A non-contact labyrinth seal assembly, bearing assembly therewith, and method of construction thereof, has an outer rigid carrier and an inner sleeve. The carrier has an outer cylindrical flange and a radially inwardly extending leg and the sleeve has a cylindrical wall and a radially outwardly extending flange. A body is attached to at least one of the leg and the flange, wherein the body provides, at least in part, a purely non-contact labyrinth passage extending between the carrier and the sleeve.

First claim

Opening claim text (preview).

What is claimed is: 1. A non-contact labyrinth seal assembly, comprising: an outer rigid carrier having a generally cylindrical outer flange extending axially relative to a central axis of said assembly with a leg extending radially inwardly from said outer flange toward said central axis; a body attached to said leg, said body having a radially outward lip and radially inward lip, said lips extending axially from said leg toward an air side of said assembly with said radially o…

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What does patent US8991829B2 cover?
A non-contact labyrinth seal assembly, bearing assembly therewith, and method of construction thereof, has an outer rigid carrier and an inner sleeve. The carrier has an outer cylindrical flange and a radially inwardly extending leg and the sleeve has a cylindrical wall and a radially outwardly extending flange. A body is attached to at least one of the leg and the flange, wherein the body prov…
Who is the assignee on this patent?
Federal Mogul Corp, Timken Co
What technology area does this patent fall under?
Primary CPC classification F16J15/447. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Mar 31 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).