Finned tube useful for heat exchangers

Details Finned tube useful for heat exchangers Finned tube useful for heat exchangers

1975-03-19

1980-09-30

Scott, Samuel

Heat exchange

Tubular structure

With discrete heat transfer means

291573AH, F28D 702

Patent

active

042249848

ABSTRACT:
A length of a tubing is helically wound with a fin made of a heat-radiating strip and which is corrugated to provide a series of transverse crimps. A base is provided by flattening a portion of the crimps with the use of pressure rollers at one edge of the strip when the section of the fin is "L" shaped, or at the middle of the strip when the section of the fin is "U" shaped in order to cling closely to the tubing. The fin is bent at the boundary area between the flattened portion and the crimped portion when the fin is helically wound around the tubing.

REFERENCES:
patent: 891698 (1906-05-01), Briscoe
patent: 1689568 (1928-10-01), Wade
patent: 2070539 (1937-07-01), Muhleisen
patent: 2613066 (1952-10-01), Newlin
patent: 2731245 (1956-01-01), McChesney
patent: 3288209 (1966-11-01), Wall et al.
patent: 3434533 (1969-03-01), Pignal

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