Helically flighted heat exchanger

Details Helically flighted heat exchanger Helically flighted heat exchanger

1980-11-03

1982-02-23

Richter, Sheldon J.

Heat exchange

Three non-communicating fluids

165164, F28D 702

Patent

active

043165028

ABSTRACT:
A heat exchanger including a first piece of heat conductive tubing wound in a helical configuration defining a plurality of first helical flights having an outboard portion thereon and a second piece of heat conductive tubing wound in a helical configuration defining a plurality of second helical flights having an inboard portion thereon where the first and second helical flights are arranged so that the outboard portions of the first helical flights are in heat conducting contact with the inboard portions of the second helical flights and where the first and second helical flights have been formed by forcing the outboard portions of the first helical flights and the inboard portions of the second helical flights together so that the portions are forced into heat conducting contact with each other. The disclosure also describes the method of manufacturing the heat exchanger and the method of operating the heat exchanger.

REFERENCES:
patent: 2324707 (1943-07-01), Johnson
patent: 2681797 (1954-06-01), Van Vliet
patent: 2721061 (1955-10-01), Freer
patent: 3163996 (1965-01-01), Koch
patent: 3739842 (1973-06-01), Whalen
patent: 4061184 (1977-12-01), Radcliffe
patent: 4196772 (1980-04-01), Adamski et al.

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