Systems, methods, and apparatus for a labyrinth seal

US8932001B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8932001-B2
Application numberUS-201113226122-A
CountryUS
Kind codeB2
Filing dateSep 6, 2011
Priority dateSep 6, 2011
Publication dateJan 13, 2015
Grant dateJan 13, 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.

Certain embodiments of the invention may include systems, methods and apparatus for providing a labyrinth seal. In an example embodiment, a method is provided for sealing a flow path between a stationary element and a rotating element of a turbomachine. The method can include disposing at least one fixture on an inner surface of a stationary element associated with the turbomachine; disposing a packing ring linked via a spring element to the fixture wherein the packing ring comprises at least one bore; and disposing, according to a predetermined profile, a plurality of interdigitated packing ring teeth and rotor teeth intermediate to the packing ring and the rotating element; wherein the bore, packing ring teeth, and rotor teeth, cooperate to counter a moment associated with one or more axial forces.

First claim

Opening claim text (preview).

The claimed invention is: 1. A method for sealing a flow path between a stationary element and a rotating element of a turbomachine, the method comprising: disposing at least one fixture on an inner surface of a stationary element associated with the turbomachine; disposing a packing ring linked via a spring element to the fixture wherein the packing ring comprises at least one bore; disposing, according to a predetermined profile, a plurality of interdigitated packing ring te…

Assignees

Inventors

Classifications

  • F04D29/161Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

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Frequently asked questions

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What does patent US8932001B2 cover?
Certain embodiments of the invention may include systems, methods and apparatus for providing a labyrinth seal. In an example embodiment, a method is provided for sealing a flow path between a stationary element and a rotating element of a turbomachine. The method can include disposing at least one fixture on an inner surface of a stationary element associated with the turbomachine; disposing a…
Who is the assignee on this patent?
Zheng Xiaoqing, Deo Hrishikesh, Roy Binayak, and 1 more
What technology area does this patent fall under?
Primary CPC classification F04D29/161. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jan 13 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).