Heat exchange – Casing or tank enclosed conduit assembly – With distinct flow director in casing
Patent
1991-03-18
1992-11-24
Flanigan, Allen J.
Heat exchange
Casing or tank enclosed conduit assembly
With distinct flow director in casing
165163, 137597, F28F 1312
Patent
active
051654725
ABSTRACT:
Disclosed is an improved heat exchanger whose flow rate and heat exchange rate are so improved that it may quickly respond to any demand in a very efficient way. This heat exchanger comprises a tank in which a first fluid may be circulated, this tank having an inlet port and an outlet port for the first fluid, and at least one heat conductive tubular element located within the tank, and in which a second fluid may be circulated in order to exchange heat with the first fluid within the tank, this at least one heat conductive element having ends leading outside the tank. A fluid injector is operatively connected to at least on one of the ports of the tank to generate turbulences and prevent the formation of dead spots within the tank. This injector is preferably in the shape of a loop and provided with a plurality of perforations, the loop extending in a plane parallel to and near one end of the tank. Some of the perforations are oriented to generate a circulation of the first fluid in directions that are substantially perpendicular to the plane of the loop all along the length of the same. Some other perforations are oriented at angles to generate another circulation of the first fluid toward the center of the tank. The heat conductive tubular element preferably comprises a plurality of loops-defining coils mounted within the tank of the heat exchanger in such a manner that the loops of each coil fit between the loops of at least one other adjacent coil, all of the coils having ends joined together to form common ports. Such a coil arrangement makes the heat exchangner very compact yet efficient.
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patent: 4265094 (1981-05-01), Haasis, Jr.
patent: 4316501 (1982-02-01), Bowden et al.
patent: 4643212 (1987-02-01), Rothrock
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