Grommet for gas turbine vane

US9109448B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9109448-B2
Application numberUS-201213428720-A
CountryUS
Kind codeB2
Filing dateMar 23, 2012
Priority dateMar 23, 2012
Publication dateAug 18, 2015
Grant dateAug 18, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A vane assembly for a gas turbine engine includes an annular shroud having openings therein and a plurality of vanes extending radially from the shroud and each having an extremity received within one of the openings. A grommet is positioned within each opening for shielding the vane extremity from the annular shroud. The grommet includes an annular protrusion for providing sealing between the opening and the vane extremity, and an annular restraint element adjacent the protrusion for retaining the vane in place relative to the shroud.

First claim

Opening claim text (preview).

The invention claimed is: 1. A vane assembly comprising: an annular shroud having radially spaced apart inner and outer surfaces, said shroud having a plurality of openings extending between said inner and outer surfaces; a plurality of vanes radially extending from said shroud, each vane having an extremity received within a corresponding one of said openings; and a grommet located within each of said openings between each of said vanes and said shroud, said grommet defining…

Assignees

Inventors

Classifications

  • F01D9/042Primary

    Mechanical Engineering · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9109448B2 cover?
A vane assembly for a gas turbine engine includes an annular shroud having openings therein and a plurality of vanes extending radially from the shroud and each having an extremity received within one of the openings. A grommet is positioned within each opening for shielding the vane extremity from the annular shroud. The grommet includes an annular protrusion for providing sealing between the …
Who is the assignee on this patent?
Ivakitch Richard, Eleftheriou Andreas, Pratt & Whitney Canada
What technology area does this patent fall under?
Primary CPC classification F01D9/042. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Aug 18 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).