F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/14
F28F 3/08 (2006.01) F28D 9/00 (2006.01)
Patent
CA 1166240
ABSTRACT OF THE DISCLOSURE The invention contemplates an improved sandwich-type core construction for a heat exchanger, featuring light weight without sacrifice of the strength needed for handling elevated pressures. Passages of one set are interleaved with those of another set, using spaced parallel heat- transfer plates. Elongate parallel spacers extending in one direction establish, with their adjacent plates, flow passages of one system, while elongate parallel spacers extending in a different direction establish flow passage of a second-system, between paired plates of the first-system. The perimeter of the core at ends of the second-system passages establishes solid continuous seating for second-system headers. Substantial weight saving, without sacrifice of strength, is achieved by depressed excavation of spacer material in regions thereof not involved in header-seating accommodation.
396371
Smart & Biggar
Steeb Dieter
LandOfFree
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