Heat exchanger assembly with integral fin unit

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

1986-12-10

1988-10-18

Lazarus, Ira S.

Heat exchange

Radiator core type

Serially connected tube sections

165151, 165152, F28D 100, F28D 102, F28D 104

Patent

active

047780045

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: 1789591 (1931-01-01), McIntyre
patent: 1821995 (1931-09-01), Wayman
patent: 2119761 (1938-06-01), Wentworth
patent: 2195259 (1940-03-01), Ramsaur
patent: 2532302 (1950-12-01), Hayward
patent: 3147800 (1964-09-01), Tadewald
patent: 3490524 (1970-01-01), Pasternak
patent: 3546763 (1970-12-01), Pasternak
patent: 3779311 (1973-12-01), O'Connor et al.
patent: 3780799 (1973-12-01), Pasternak
patent: 4241785 (1980-12-01), O'Connor et al.

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