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US 8,408,872 B2Granted
Fastback turbulator structure and turbine nozzle incorporating same
AssigneeGeneral Electric Company
InventorsRobert David Briggs, Shawn Michael Pearson, John Creighton Schilling
Life of this patent
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Abstract
A heat transfer apparatus, includes a member defining a wall exposed to fluid flow in a predetermined direction of flow; and a plurality of turbulators disposed on the wall. Each turbulator includes an upright front face which generally faces the direction of flow, and a back face which defines a ramp-like shape tapering from the front face to the wall.
Claims16
A turbine nozzle comprising:
- (a) a hollow, airfoil-shaped turbine vane;
- (b) an arcuate first band disposed at a first end of the turbine vane, the first band having a flowpath face adjacent the turbine vane, and an opposed back face;
- (c) wherein the back face includes at least one open pocket, the at least one pocket defined in part by a bottom wall recessed from the back face, opposed ends of the bottom wall merging with the back face, where the pocket is exposed to fluid flow in a predetermined direction of flow;
- and
- (d) a plurality of turbulators disposed on the bottom wall, each turbulator having:
- (i) an upright front face which generally faces the direction of flow, and
- (ii) a back face which defines a ramp-like shape tapering from the front face to the bottom wall of the pocket.
4 more elements
Dependencies are inferred from the claim text.