Dimpled impingement baffle
AssigneeGeneral Electric Company
InventorChing-Pang Lee
Life of this patent
Estimating the term…
Abstract
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.
Claims21
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;
- and
- a plurality of dimples integrally formed in said plate upstream from corresponding ones of said holes to shield said holes from crossflow of said air.
A gas turbine engine impingement baffle comprising a plate having a plurality of spaced apart impingement holes and corresponding imperforate dimples aligned between adjacent ones of said holes.
An impingement baffle in combination with a gas turbine engine combustor liner comprising a plate having a plurality of spaced apart impingement holes facing said liner for directing cooling air jets substantially perpendicular thereagainst, and a plurality of dimples integrally formed in said plate between adjacent ones of said impingement holes and having convex sides facing said liner for abutment therewith.
An impingement baffle in combination with a gas turbine engine nozzle vane comprising a plate disposed inside said vane, and having a plurality of spaced apart impingement holes facing an internal surface of said vane for directing cooling air jets substantially perpendicular thereagainst, and a plurality of dimples integrally formed in said plate between adjacent ones of said impingement holes and having convex sides facing said vane internal surface for abutment therewith.
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;
- and
- a 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.
Dependencies are inferred from the claim text.