Heat exchanger

Details Heat exchanger Heat exchanger

1991-08-22

1993-09-07

Flanigan, Allen J.

Heat exchange

Casing or tank enclosed conduit assembly

Conduit coiled within casing

165164, F28D 704, F28D 710

Patent

active

052420159

ABSTRACT:
The high cost of fabricating heat exchangers having two fluid flow paths in countercurrent or cross current relation is minimized by utilizing an extrusion (14) wound upon itself with adjacent convolutions (16, 18, 20, 24) spaced at (26) and located within a housing (10). A baffle (56) or a seal (82, 84) are employed within the housing (10) to respectively define cross current or countercurrent heat exchangers. Alternatively, an extrusion such as a unitary extrusion (100) may contain plural flow paths (114, 120, 122) or an extrusion made up of two extrusions (150, 152) bonded together and having flow paths (162, 164) may be employed.

REFERENCES:
patent: 1945287 (1934-01-01), Monroe
patent: 2014919 (1935-09-01), Zellhoefer
patent: 2129300 (1938-09-01), Bichowsky
patent: 2657018 (1953-10-01), Simpelaar
patent: 2809019 (1957-10-01), Newton

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