Fuel nozzle assembly for a gas turbine engine
US-9200571-B2 · Dec 1, 2015 · US
Stress reduction feature to improve fuel nozzle sheath durability
US8935925B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8935925-B2 |
| Application number | US-201213427236-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 22, 2012 |
| Priority date | May 18, 2007 |
| Publication date | Jan 20, 2015 |
| Grant date | Jan 20, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A fuel nozzle sheath has a lateral opening for admitting air about a nozzle stem. The stress distribution along the perimeter of the window is smoothed out by increasing the corner radius of the window corner presenting higher stress concentration.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of smoothing out a stress distribution in a fuel nozzle sheath mounted about a fuel conveying member of a fuel nozzle, the fuel nozzle sheath comprising a tubular body having a perimeter and extending axially from an upstream end to a downstream end, and a lateral window defined through the tubular body and extending longitudinally along at least a portion of the perimeter at a location between said upstream and downstream ends, the method comp…
Assignees
Inventors
Classifications
Cross-Sectional Technologies · mapped topic
- F23R3/283Primary
Mechanical Engineering · mapped topic
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 US8935925B2 cover?
- A fuel nozzle sheath has a lateral opening for admitting air about a nozzle stem. The stress distribution along the perimeter of the window is smoothed out by increasing the corner radius of the window corner presenting higher stress concentration.
- Who is the assignee on this patent?
- Patel Bhawan, Rudrapatna Nagaraja, Pratt & Whitney Canada
- What technology area does this patent fall under?
- Primary CPC classification F23R3/283. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jan 20 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).