Method of manufacturing heat exchanger cooling passages in aero propulsion structure

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United States of America Patent

PATENT NO 8806747
SERIAL NO

12512515

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Abstract

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Methods and apparatus of an improved cooling structure having cooling passages are provided. A method includes forming pilot holes with an electrical discharge machine (EDM) drill near a heated flow surface. The pilot holes are then shaped with a wire EDM into cooling passages having a desired shape.

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Patent Owner(s)

Patent OwnerAddress
NORTHROP GRUMMAN SYSTEMS CORPORATION2980 FAIRVIEW PARK DRIVE FALLS CHURCH VA 22042-4511

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gettinger, Christopher Palm Beach Gardens, US 3 15
Guinan, Daniel P Hobe Sound, US 10 81
Philpott, James B Lake Worth, US 2 10
Webster, Henry K Jupiter, US 6 41

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