Gas turbine component with fluid intake hole free of angled surface transitions
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United States of America Patent
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Jun 11, 2024
Grant Date -
Oct 20, 2022
app pub date -
Jul 8, 2021
filing date -
Apr 20, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A gas turbine combustion duct includes a duct body and a fluid intake hole. The duct body includes a duct wall defining a plenum for routing a flow of combustion products from a combustor downstream through the gas turbine combustion duct to a turbine section. The fluid intake hole extends from an outward-facing surface to an inward-facing surface through the duct wall for receiving an outside fluid flow into the plenum, and is laterally circumscribed about its entire periphery by a lateral-facing surface. The lateral-facing surface includes a curved surface portion along a shortest path from the inward-facing surface to the outward-facing surface and is free of angled surface transitions along the shortest path between the inward-facing surface and the outward-facing surface. The fluid intake hole is wider at the outward-facing surface than at the inward-facing surface. A boss may define the fluid intake hole and the lateral-facing surface.
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