US Patent 7117678 Fuel injector head

Patent 7117678 was granted and assigned to Pratt & Whitney Canada on October, 2006 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Pratt & Whitney Canada

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7117678

Date of Patent

October 10, 2006

Patent Application Number

10815822

Date Filed

April 2, 2004

Patent Citations Received

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US Patent 12111056 Combustor with central fuel injection and downstream air mixing

Patent Primary Examiner

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William H. Rodriguez

Patent abstract

A gas turbine fuel nozzle head includes an outlet passage having a curved annular transitional surface extending smoothly to a substantially radial and annular surface relative to a central axis of the fuel nozzle head, for providing a low cost and compact structure with improved cold start and altitude re-light capabilities.