Finned tube for heat exchangers

Details Finned tube for heat exchangers Finned tube for heat exchangers

1979-08-14

1981-09-01

O'Connor, Daniel J.

Heat exchange

Tubular structure

Projecting internal and external heat transfer means

291573A, 291573AH, 113118A, 138 38, 165181, 165184, F28F 142, B21D 5300

Patent

active

042866553

ABSTRACT:
A finned tube for heat exchangers comprises a plurality of sections adjoining to one another. The sections are of V-shape, define a central core, and are provided with arc-shaped wings. The sections are associated to one another by superimposing the wings of the adjoining section wings. The sections are connected by longitudinal welding. The finning is formed by a metal band applied on the outside of the tube. According to one embodiment, each section has a substantially T-shaped cross-section. The metal band may have a plurality of notches.

REFERENCES:
patent: 1677714 (1928-07-01), Frease
patent: 1777782 (1930-10-01), Bundy
patent: 2394396 (1946-02-01), Mouromtseff et al.
patent: 2483454 (1949-10-01), Brown
patent: 2929408 (1960-03-01), Weatherwax et al.
patent: 2930405 (1960-03-01), Welsh
patent: 3022049 (1962-02-01), Abbott
patent: 3068905 (1962-12-01), Millington et al.
patent: 3140378 (1964-07-01), Benninghoff
patent: 3255516 (1966-06-01), Sommer
patent: 3528494 (1970-09-01), Levedahl

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