Heat exchange – Non-communicating coaxial enclosures – With communicating coaxial enclosure
Patent
1989-11-17
1991-02-26
Cohan, Alan
Heat exchange
Non-communicating coaxial enclosures
With communicating coaxial enclosure
165154, 165164, F28D 710
Patent
active
049954547
ABSTRACT:
A heat exchanger with two concentrically disposed corrugated tubes nested one within the other for the flow of two separated fluids through the exchanger. Each tube has convolutions, and fluid openings or passageways exist for directing flow completely through each convolution of each tube for optimum heat exchange. Endplates are provided on the exchanger for assembly, and also for ease of repair and cleaning of the exchanger. The arrangement of the convolutions and openings is such that a cardioid flow pattern is obtained for the maximum efficiency of heat exchange.
REFERENCES:
patent: 351585 (1886-10-01), Edmiston
patent: 565828 (1896-08-01), Best
patent: 1336225 (1920-04-01), Hardie
patent: 2576309 (1951-11-01), Ruemelin
patent: 3934618 (1976-01-01), Henderson
patent: 3968346 (1976-07-01), Cooksley
patent: 4204573 (1980-05-01), Clark
patent: 4270601 (1981-06-01), Lancaster
patent: 4437513 (1984-03-01), Castiglioni et al.
Cohan Alan
Flanigan Allen J.
Hansmann Arthur J.
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