Heat exchanger fin with crack arrestor

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United States of America Patent

PATENT NO 10112270
APP PUB NO 20150053380A1
SERIAL NO

13972315

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of extending the lifetime of brazed primary hot inlet wavy fin structures of aircraft heat exchangers includes inserting slots in the fins. The slots increase the mechanical compliance of the fins as well as act as crack arrestors should a thermally induced fracture occur. In an embodiment, the slots are inserted by EDM.

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Patent Owner(s)

Patent OwnerAddress
HAMILTON SUNDSTRAND CORPORATIONFOUR COLISEUM CENTRE 2730 WEST TYVOLA ROAD CHARLOTTE NC 28217

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Army,, Jr Donald E Enfield, US 35 249
Kan, George West Hartford, US 8 40
Spineti, Michael Newington, US 5 22
Stephens, Kurt L Enfield, US 9 22
Zager, Michael Windsor, US 32 192

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