Mixed helix turbulator for heat exchangers

Details Mixed helix turbulator for heat exchangers Mixed helix turbulator for heat exchangers

1983-04-04

1989-01-17

Warner, Steven E.

Heat exchange

With agitating or stirring structure

138 38, 165179, F28F 1312

Patent

active

047982411

ABSTRACT:
An improved turbulator and conduit structure for use in heat exchangers. An elongated tube through which fluid to be subject to a heat exchange process is provided with a first outer winding within the tube in substantial abutment with the inner wall of the tube and a second inner winding at least partially within the first winding. The pitch of the first winding is different from the pitch of the second winding. Consistent heat exchange at extremely low Reynolds numberes is obtainable with the structure. Also disclosed is a method of making such a turbulator and conduit structure.

REFERENCES:
patent: 755558 (1904-03-01), Barber
patent: 1865422 (1932-07-01), Parrott
patent: 2500501 (1950-03-01), Trumpler
patent: 2608968 (1952-09-01), Mosely
patent: 3595299 (1971-07-01), Weishoupt et al.
patent: 3951175 (1976-04-01), Eberhart
patent: 4009751 (1977-03-01), Zelnik
patent: 4044796 (1977-08-01), Smick
patent: 4336838 (1982-06-01), Ely
patent: 4347894 (1982-09-01), Gerlach

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