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US 5,396,763 AGranted
Cooled spraybar and flameholder assembly including a perforated hollow inner air baffle for impingement cooling an outer heat shield
AssigneeGeneral Electric Company
InventorsJeffrey C. Mayer, John A. Manteiga
Life of this patent
Estimating the term…
Abstract
A cooled flameholder assembly includes a first heat shield having first and second spaced apart chambers. A fuel spraybar is disposed inside the first chamber, and a hollow baffle is disposed inside the second chamber. A second heat shield is joined to the first heat shield for closing the second chamber with the baffle therein. The baffle includes an inlet for receiving cooling air which is discharged through a plurality of outlet holes for impingement cooling the first and second heat shields.
Claims11
A cooled flameholder assembly comprising:
- a first heat shield including a support end for being mounted to an annular casing;
- an elongate, enclosed, first chamber;
- an elongate, second chamber separated from said first chamber by a septum and having an access opening along one side thereof;
- a fuel spraybar disposed inside said first chamber for discharging fuel from said first heat shield;
- a hollow baffle disposed inside said second chamber and having an inlet at one end thereof for receiving cooling air, and a plurality of outlet holes therein for discharging said cooling air;
- and
- a second heat shield removably joined to said first heat shield for closing said access opening, and disposed adjacent to said baffle outlet holes for being impingement cooled thereby.
4 more elements
Dependencies are inferred from the claim text.