Plate-type heat exchanger

Details Plate-type heat exchanger Plate-type heat exchanger

1986-06-24

1987-09-29

Davis, Jr., Albert W.

Heat exchange

Radiator core type

Deformed sheet forms passages between side-by-side tube means

165166, 165906, 165167, 165153, F28D 102

Patent

active

046963421

ABSTRACT:
A plate-type heat exchanger comprises a stack of flat fluid flow tubes each composed of a pair of confronting core plates joined to each other and defining a fluid flow pass therebetween, each of the core plates having an inlet hole for introducing a fluid into the fluid flow pass and an outlet hole for discharging the fluid from the fluid flow pass. Each core plate has a plurality of ribs on an inner wall surface thereof, the ribs on one of the pair of plates being held in contact with the confronting ribs on the other core plate. The ribs are present in the fluid flow pass between the joined core plates in every direction along the inner wall surface of each of the core plates. The fluid flow pass does not have any fluid passage free of ribs. Therefore, the heat exchanger has improved heat transfer efficiency, and the fluid flow tube is mechanically strong or highly resistant to pressure.

REFERENCES:
patent: 1429440 (1922-09-01), Kuenz
patent: 2777674 (1957-01-01), Wakeman
patent: 2937856 (1960-05-01), Thomson
patent: 3631923 (1972-01-01), Izeki
patent: 4217953 (1980-08-01), Sonoda et al.
patent: 4249597 (1981-02-01), Carey
patent: 4470455 (1984-09-01), Sacca

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