F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent
F - Mech Eng,Light,Heat,Weapons
24
J
126/11.18
F24J 3/02 (1980.01)
Patent
CA 1111324
ABSTRACT OF DISCLOSURE The invention particularly relates to a heat exchanger and a solar heating unit incorporating the heat exchanger, said heat exchanger being constructed with an outer tubular member closed at its ends and provided with a fluid inlet at one end and a fluid outlet at the other end, and an inner tubular member of different cross-sectional shape to the cross-sectional shape of the outer tubular member but positioned and dimensioned so as to provide a plurality of longitudinal points of contact between the outer member inner surface and the inner member outer surface and a plurality of fluid ducts defined by the longitudinal wall portions of the outer and inner tubular members between said points of contact.
330607
Fuller Dean L.
Marks & Clerk
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