Tubular heat exchanger and helical agitators for use with such e

Heat exchange – With agitating or stirring structure

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138 38, F28F 140, F28F 1312

Patent

active

045344094

ABSTRACT:
A turbulence agitator placed, for example, in the tube of a heat exchanger, comprises at least one continuous helical thread. The section through the agitator in any plane passing through the axis of the helix has a central portion and teeth of the same shape and dimensions, spaced along the said axis. Each of these teeth is asymmetrical in relation to a line perpendicular to the axis of the helix.

REFERENCES:
patent: 6595 (1849-07-01), Chanman
patent: 153082 (1874-07-01), Johnson
patent: 960024 (1910-05-01), Koegler
patent: 1056373 (1913-03-01), Segelken
patent: 2310970 (1943-02-01), Limpert
patent: 3837396 (1974-09-01), Newton
patent: 4034964 (1977-07-01), Larson
patent: 4090559 (1978-05-01), Megerlin
patent: 4183682 (1980-01-01), Lieffers

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