Radial shaft seal and assembly therewith

US8955849B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8955849-B2
Application numberUS-201313909874-A
CountryUS
Kind codeB2
Filing dateJun 4, 2013
Priority dateJun 4, 2012
Publication dateFeb 17, 2015
Grant dateFeb 17, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A radial shaft seal and assembly are provided. The seal has an annular mounting portion and a seal body bonded thereto. The seal body extends to a seal lip extending between an oil-side end and a free air-side end. An annular bridge extends between the seal lip and a central portion of the seal body in radially overlying relation to the seal lip. A primary dust lip extends from the air-side end and has an annular rib configured for sealed abutment with a running surface of a shaft. The annular rib has at least one vent. An auxiliary dust lip extends from the central portion of the seal body to a free end configured for sealed abutment with the shaft. The free end of the auxiliary dust lip has at least one vent spaced circumferentially from the at least one vent in the annular rib.

First claim

Opening claim text (preview).

What is claimed is: 1. A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air-side of the shaft seal from an oil-side of the shaft seal, comprising: an annular mounting portion; a seal body bonded to said mounting portion; a seal lip having an annular sealing surface extending between an oil-side end and a free air-side end, said sealing surface being configured to extend axially along the shaft; an annular bridge connected to s…

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Classifications

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

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What does patent US8955849B2 cover?
A radial shaft seal and assembly are provided. The seal has an annular mounting portion and a seal body bonded thereto. The seal body extends to a seal lip extending between an oil-side end and a free air-side end. An annular bridge extends between the seal lip and a central portion of the seal body in radially overlying relation to the seal lip. A primary dust lip extends from the air-side end…
Who is the assignee on this patent?
Federal Mogul Corp, Federal Mogul Corp
What technology area does this patent fall under?
Primary CPC classification F16J15/3232. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Feb 17 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).