The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2007
Filed:
Jul. 20, 2004
Stephen John Howell, West Newbury, MA (US);
John Carl Jacobson, Melrose, MA (US);
Barry Francis Barnes, Cambridge, MA (US);
Ramy Michael Souri, West Roxbury, MA (US);
Stephen John Howell, West Newbury, MA (US);
John Carl Jacobson, Melrose, MA (US);
Barry Francis Barnes, Cambridge, MA (US);
Ramy Michael Souri, West Roxbury, MA (US);
General Electric Company, Schenectady, NY (US);
Abstract
An ignition device assembly for a gas turbine engine combustor includes a body and a shroud. The body extends from an inlet end to an outlet end, and the shroud extends circumferentially around at least a portion of the body, and axially from a first end to a tip end. The shroud includes a tip portion and a body portion. The body portion includes a plurality of metering openings and a plurality of first outlet openings. The plurality of metering openings are for channeling cooling air to the ignition device body, and the plurality of first outlet openings are for channeling spent cooling air from the ignition device body. The tip portion includes a plurality of discharge openings extending therethrough for channeling cooling from the ignition device body. The plurality of first outlet openings are between the shroud tip portion and the plurality of shroud metering openings.