Redundant seal apparatus and method

US9010761B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9010761-B2
Application numberUS-201213665332-A
CountryUS
Kind codeB2
Filing dateOct 31, 2012
Priority dateOct 31, 2012
Publication dateApr 21, 2015
Grant dateApr 21, 2015

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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.

An apparatus includes a rotatable shaft having a shaft surface and a first seal disposed in a sealing engagement with the shaft surface. At least a second seal is disposed in a first position relative to the rotatable shaft where the second seal is not in sealing engagement with the shaft surface and is movable to a second position relative to the rotatable shaft where the second seal is in sealing engagement with the shaft surface.

First claim

Opening claim text (preview).

What is claimed is: 1. An apparatus, comprising: a main body structure having a threaded inwardly facing portion; a rotatable shaft having a shaft surface; a mover having a threaded outwardly facing portion threadedly coupled to the threaded inwardly facing portion of the main body structure, the mover comprising: a first seal disposed in a sealing engagement with the shaft surface; and at least a second seal disposed in a first position relative to the rotatable shaft wher…

Assignees

Inventors

Classifications

  • Fixed Constructions · mapped topic

  • F16J15/008Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Cross-Sectional Technologies · mapped topic

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Frequently asked questions

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What does patent US9010761B2 cover?
An apparatus includes a rotatable shaft having a shaft surface and a first seal disposed in a sealing engagement with the shaft surface. At least a second seal is disposed in a first position relative to the rotatable shaft where the second seal is not in sealing engagement with the shaft surface and is movable to a second position relative to the rotatable shaft where the second seal is in sea…
Who is the assignee on this patent?
Canrig Drilling Tech Ltd
What technology area does this patent fall under?
Primary CPC classification F16J15/008. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Apr 21 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).