Heat exchanger

Heat exchange – Radiator core type – Deformed sheet forms passages between side-by-side tube means

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165166, 62525, F28F 300

Patent

active

043794866

ABSTRACT:
A heat exchanger comprises a plurality of layered units of tube assemblies, each tube assembly unit comprising a tube made by two plates having a refrigerant inlet opening and a refrigerant outlet opening, and a spacer block is disposed between the upper and lower tube assemblies for forming an air passage having an air inlet side and an air outlet side. The refrigerant inlet opening is provided in the lower plate of the tube adjacent the air inlet side. The upper and lower tube assembly units are alternately arranged with respect to the refrigerant inlet and outlet openings. The spacer block has an opening for communicating the refrigerant outlet opening of the lower tube assembly unit with the refrigerant inlet opening of the upper tube assembly unit, such that the refrigerant mainly flows in a portion in the tube adjacent the air inlet side.

REFERENCES:
patent: 2392444 (1946-01-01), Amand et al.
patent: 2686654 (1954-08-01), MacNeill
patent: 3241607 (1966-03-01), Rutledge
patent: 4002201 (1977-01-01), Donaldson
patent: 4006776 (1977-02-01), Pfouts et al.
patent: 4274482 (1981-06-01), Sonoda

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