Shroudless adaptive fan with free turbine

US9850822B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9850822-B2
Application numberUS-201414207970-A
CountryUS
Kind codeB2
Filing dateMar 13, 2014
Priority dateMar 15, 2013
Publication dateDec 26, 2017
Grant dateDec 26, 2017

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 disclosed gas turbine engine includes a first fan section including a plurality of fan blades rotatable about an axis, a compressor in fluid communication with the first fan section, a combustor in fluid communication with the compressor and a first turbine section in fluid communication with the combustor. The first turbine section includes a low pressure turbine that drives the first fan section. A second fan section is supported between the first fan section and the compressor and is driven by a second turbine section disposed between the second fan section and the compressor for driving the second fan section.

First claim

Opening claim text (preview).

The invention claimed is: 1. A turbine engine comprising: a first fan section including a plurality of fan blades rotatable about an axis; a compressor in fluid communication with the first fan section; a first turbine driving the first fan section and the compressor; a second fan section disposed axially between the first fan section and the compressor; a second turbine disposed between the second fan section and the compressor, the second turbine driving the second fan;…

Assignees

Inventors

Classifications

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • F02C9/22Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • 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 US9850822B2 cover?
A disclosed gas turbine engine includes a first fan section including a plurality of fan blades rotatable about an axis, a compressor in fluid communication with the first fan section, a combustor in fluid communication with the compressor and a first turbine section in fluid communication with the combustor. The first turbine section includes a low pressure turbine that drives the first fan se…
Who is the assignee on this patent?
United Technologies Corp
What technology area does this patent fall under?
Primary CPC classification F02C9/22. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Dec 26 2017 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 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).