F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
126/11, 257/21.1
F28F 13/12 (2006.01) A01G 9/24 (2006.01) F28D 7/02 (2006.01)
Patent
CA 1162913
ABSTRACT A heat exchange apparatus which utilizes the solar heat, hot spring water or underground water comprises a cylindrical main body, an internal cylinder placed in the main body, a blower provided in an upper part of the internal cylinder, an air intake, a number of radially arranged air exhaust tubes, ring shaped upper and lower heat exchange compartments, and chambers formed between heat exchange compartments, on and under the upper and lower heat exchange compartment, upper and lower chambers are connected by coil tubes placed in heat exchange com- partments, the outer coil tubes and inner coil tubes are successively connected so that each of connected coil tubes has the same overall length, which improves effi- ciency of heat exchange between air and water which are caused to move in a counterflow fashion. In one embodiment of the invention, the blower is provided in the internal cylinder, a plurality of exhaust tubes are provided to an upper end portion of the internal cylinder, an air intake is formed in an upper portion of a space between the main body and the internal cylinder, a water discharge tube is connected to a water outlet of the upper header, and a water supply tube is connected to a water inlet of the lower header.
386570
Kamanaka Ryusuke
Kuwa Masatoshi
Nihei Toshio
Nepon Co. Ltd.
Smart & Biggar
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