Mixed carbon foam/metal foam heat exchanger

(19)

(11)

EP 2 124 009 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	21.08.2013 Bulletin 2013/34

(43)	Date of publication A2:
	25.11.2009 Bulletin 2009/48

(21)	Application number: 09250904.1

(22)	Date of filing: 27.03.2009

(51)

International Patent Classification (IPC):

F28D 9/00^(2006.01)
F28F 21/02^(2006.01)
B64D 13/08^(2006.01)

F28F 13/00^(2006.01)
F28F 21/08^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA RS

(30)

Priority:

20.05.2008 US 124092

(71)	Applicant: The Boeing Company
	Chicago, IL 60606-2016 (US)

(72)	Inventors:
	Stoia, Michael F. Rancho Santa Margarita, CA 92688 (US) Blanding, David E. Hawthorne, CA 90250 (US) Kim, Samuel Snohomish, WA 98296 (US) Datcher, Jarett R. St. Louis, MO 63110 (US)

(74)	Representative: McLeish, Nicholas Alistair Maxwell
	Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)

(54)	Mixed carbon foam/metal foam heat exchanger

(57) A heat exchanger (1) includes a thermally-conductive fluid barrier having first (18a) and second (18b) surfaces, at least one first type (10) of foam element placed in thermally-conductive contact with the first surface (18a) of the thermally-conductive fluid barrier and having a first coefficient of thermal expansion and at least one second type (14) of foam element placed in thermally-conductive contact with the second surface (18b) of the thermally-conductive fluid barrier and having a second coefficient of thermal expansion. The first coefficient of thermal expansion of the first type (10) of foam element and the second coefficient of thermal expansion of the second type (14) of foam element are different by at least a factor of three.

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