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US 9,284,844 B2Granted
Gas turbine engine component with cusped cooling hole
AssigneeUnited Technologies Corporation
InventorJinQuan Xu
Life of this patent
Estimating the term…
Abstract
A component for a gas turbine engine includes a wall and a cooling hole extending through the wall. The wall has a first surface and a second surface. The cooling hole includes a metering section that extends from an inlet in the first surface of the wall to a transition, a diffusing section that extends from the transition to an outlet in the second surface of the wall, and a cusp on the transition.
Claims14
A component for a gas turbine engine, the component comprising:
- a wall having a first surface and a second surface and defining a cooling hole, the cooling hole extending through the wall from an inlet located at the first wall surface to an outlet located at the second wall surface and having:
- a metering section extending from the inlet to a transition;
- a diffusing section extending from the transition to the outlet;
- a cusp on the transition;
- and
- two longitudinal ridges that divide the diffusing section into three lobes, wherein the cusp bifurcates into the two longitudinal ridges.
3 more elements
A gas turbine engine component comprising:
- a gas path wall having a first surface exposed to cooling fluid and a second surface;
- a cooling hole formed in the gas path wall, the cooling hole extending from a metering section having an inlet in the first surface to a diffusing section having an outlet in the second surface;
- a transition between the metering section and the diffusing section;
- and
- a cusp formed on the transition, wherein the cusp has a sharp point;
- and
- two longitudinal ridges that divide the diffusing section of the cooling hole into three lobes, wherein the cusp bifurcates into the two longitudinal ridges.
4 more elements
An airfoil comprising:
- an airfoil wall having a pressure surface and a suction surface extending from a leading edge to a trailing edge;
- and
- a cooling hole formed in the airfoil wall, the cooling hole comprising:
- a metering section having an inlet in a first surface of the airfoil wall;
- a diffusing section having an outlet in a second surface of the airfoil wall;
- a transition defined between the metering section and the diffusing section;
- a cusp on the transition;
- and
- two longitudinal ridges that divide the diffusing section into three lobes, wherein the cusp bifurcates into the two longitudinal ridges.
6 more elements
Dependencies are inferred from the claim text.