Heat exchanger with extruded multi-chamber manifold with machined bypass

(19)

(11)

EP 2 345 861 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	25.12.2013 Bulletin 2013/52

(43)	Date of publication A2:
	20.07.2011 Bulletin 2011/29

(21)	Application number: 11250048.3

(22)	Date of filing: 17.01.2011

(51)

International Patent Classification (IPC):

F28D 1/053^(2006.01)

F28F 9/02^(2006.01)

(84)	Designated Contracting States:
	AL 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 RS SE SI SK SM TR
	Designated Extension States:
	BA ME

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Priority:

15.01.2010 US 688297

(71)	Applicants:
	Hamilton Sundstrand Corporation Windsor Locks, CT 06096-1010 (US) Closed Joint-Stock Company "Hamilton Standard-Nauka" Moscow, Russian Federation 127287 (RU)

(72)	Inventors:
	Gowan, James D. Lillian Alabama 36549 (US) Kurochkin, Alexander N. 161-22, Moscow Russian Federation 129226 (RU)

(74)	Representative: Tomlinson, Kerry John
	Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)

(54)	Heat exchanger with extruded multi-chamber manifold with machined bypass

(57) The present invention heat exchanger with extruded multi-chamber manifolds (16,18) includes at least two panels (22), with each panel having a row of at least one channel which communicates fluid. The heat exchanger includes a first manifold and a second manifold, the first manifold and the second manifold each having at least two manifold chambers (20). Each panel is attached to a manifold chamber of the first manifold and a manifold chamber of the second manifold, with each chamber having an inner wall (40) and outer wall (42). The outer wall has a surface (56) exposed outside the manifold chambers. There is also an opening (62) through the outer wall including a bypass slot. The bypass slot allows fluid communication between the chambers.

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