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US 11,739,691 B2Granted
Engine component
AssigneeRaytheon Technologies Corporation
InventorBenjamin Heneveld
Life of this patent
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Abstract
A combustion engine component is disclosed. The combustion engine component comprises a body that includes a first surface in operative thermal communication with a hot combustion gas, and a second surface in operative fluid communication with a cooling fluid. Also, as disclosed in greater detail below, the second surface includes a first surface contour feature configured to increase a contact angle of a liquid on the second surface.
Claims16
A combustion engine component, comprising:
- a body comprising a first surface in operative thermal communication with a hot combustion gas, and a second surface in operative fluid communication with a cooling fluid,
- wherein the second surface includes a first surface contour feature and the first surface contour feature includes a plurality of first surface projections disposed on the second surface and having a height of less than 0.001 inches (25 μm).
A gas turbine engine, comprising:
- a combustor, a turbine, and a compressor in operative communication;
- a hot gas flow path for combustion gas produced in the combustor;
- a gas turbine engine component comprising:
- a body comprising a first surface in operative thermal communication with the hot gas flow path, and a second surface in operative fluid communication with a cooling fluid,
- wherein the second surface includes a first surface contour feature and the first surface contour feature includes a plurality of first surface projections disposed on the second surface and having a height of less than 0.001 inches (25 micrometers).
2 more elements
Dependencies are inferred from the claim text.