초록

An impingement baffle in the form of a plate includes spaced apart impingement holes for directing cooling air in corresponding jets against a hot wall. Dimples are integrally formed in the plate adjacent corresponding ones of the impingement holes for shielding thereof.

대표청구항 ▼

[ Accordingly, what is desired to be secured by Letters Patent of the United States is the invention as defined and differentiated in the following claims:] [21.]21. A baffle for directing cooling air in impingement against a hot wall comprising:a plate having a plurality of spaced apart impingement

[ Accordingly, what is desired to be secured by Letters Patent of the United States is the invention as defined and differentiated in the following claims:] [21.]21. A baffle for directing cooling air in impingement against a hot wall comprising:a plate having a plurality of spaced apart impingement holes for directing said air in corresponding jets against said hot wall; anda plurality of dimples integrally formed in said plate adjacent corresponding ones of said holes, and each of said dimples is spherical and includes a concave recess on an outboard side of said plate and an opposite convex bump on an inboard side of said plate, and extends from a base of maximum diameter at said inboard side to an apex at a height therefrom.