Heat exchanger assembly with integral fin unit

Details Heat exchanger assembly with integral fin unit Heat exchanger assembly with integral fin unit

1988-05-26

1989-11-21

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573B, B21D 5300

Patent

active

048813117

ABSTRACT:
A heat exchanger assembly of the side-entry cross-fin type includes first and second integral fin units, each comprising a single sheet of material provided with a plurality of aligned apertures, the sheet of material being folded in accordian-fashion such that the apertures define a plurality of notches arranged in rows which extend longitudinally of the fin unit. Two of the fin units are assembled together with a single length of heat exchange tube which threads the notches of the fin units, the tube extending over an oval-shaped helical path through the two fin units. In another embodiment, a single folded fin unit is provided with notches in fins on its upper and lower surface, a single length of tube being wrapped around the single fin unit threading the apertures therein, the tube extending in a generally oval-shaped helix path.

REFERENCES:
patent: 2119761 (1938-06-01), Wentworth
patent: 2672324 (1954-03-01), Weiss
patent: 3147800 (1964-09-01), Tadewald
patent: 3223153 (1965-12-01), Simpelaar
patent: 3407874 (1968-10-01), Gier, Jr.

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