- Patent Title: Double wall turbine gas turbine engine blade cooling configuration
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Application No.: US15832467Application Date: 2017-12-05
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Publication No.: US10648345B2Publication Date: 2020-05-12
- Inventor: Christopher Whitfield , Carey Clum , Dominic J. Mongillo, Jr.
- Applicant: United Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: F01D5/18
- IPC: F01D5/18 ; F02C9/18 ; F02C3/04

Abstract:
An airfoil includes pressure and suction side walls that extend in a chord-wise direction between leading and trailing edges. The pressure and suction side walls extend in a radial direction to provide an exterior airfoil surface. A core cooling passage is arranged between the pressure and suction walls in a thickness direction and extends radially toward a tip. A skin passage is arranged in one of the pressure and suction side walls to form a hot side wall and a cold side wall. The hot side wall defines a portion of the exterior airfoil surface and the cold side wall defines a portion of the core passage. The core passage and the skin passage are configured to have a same direction of fluid flow. A resupply hole fluidly interconnects the core and skin passages. The resupply hole has a single inlet that is fluidly connected to multiple discrete outlet apertures. A centerline of the single inlet is arranged at an angle relative to the direction of fluid flow in the core passage and is configured to provide a low turbulence flow region in the skin passage.
Public/Granted literature
- US20190169996A1 DOUBLE WALL TURBINE GAS TURBINE ENGINE BLADE COOLING CONFIGURATION Public/Granted day:2019-06-06
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