Heat exchanger with separate helical ducts

Details Heat exchanger with separate helical ducts Heat exchanger with separate helical ducts

1984-05-25

1986-03-25

Richter, Sheldon J.

Heat exchange

Flow passages for two confined fluids

165170, F28D 710

Patent

active

045776830

ABSTRACT:
A heat exchanger for indirect heat transfer between fluid media includes a duct member with the space in its interior divided by a separating wall extending transversely of the duct member axis into a pair of partial spaces. Webs located within the partial spaces and extending helically around the duct member axis form a pair of ducts in each partial space. One fluid medium is circulated through one duct and the other fluid medium through the other duct. The ducts in each partial space are interconnected by passages extending through the separating wall so that the fluid media flow through both partial spaces. The ends of the duct member spaced from the separating wall are closed by a combination seal and cover plate.

REFERENCES:
patent: 1961660 (1934-06-01), Fehrmann
patent: 2005515 (1935-06-01), Winkler
patent: 2011201 (1935-08-01), Rosenblad
patent: 2565816 (1951-08-01), Jones
patent: 3330334 (1967-07-01), Jansen et al.
patent: 3921713 (1975-11-01), Schnitzer et al.
IBM Technical Disclosure Bulletin, by R. R. Phinney, "Low-Gradient Anode Cooling Technique", vol. 13, No. 1, Jun. 1970, pp. 11-12.

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