Lamination type heat exchanger having refrigerant passage divide

Details Lamination type heat exchanger having refrigerant passage divide Lamination type heat exchanger having refrigerant passage divide

1998-11-12

2000-08-08

Atkinson, Christopher

Heat exchange

Radiator core type

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

165174, F28D 102

Patent

active

060987030

ABSTRACT:
A refrigerant passage formed by a pair of metallic thin plates therebetween is divided into many subpassages by a corrugated inner fin. The subpassages are independent from one another and are elongated in the longitudinal direction of the thin plates. An inlet tank portion is provided at an end of the refrigerant passage, and communicating portions are provided between the inlet tank portion and the subpassages. One of the communicating portions provided at an air upstream side in an air flow direction has a flow resistance of refrigerant smaller than that of the other communicating portion provided on an air downstream side. Accordingly, an amount of the refrigerant flowing in the subpassages on the air downstream side is controlled to be smaller than that on the air upstream side.

REFERENCES:
patent: 4570700 (1986-02-01), Ohara et al.
patent: 5152337 (1992-10-01), Kawakatsu et al.
patent: 5172759 (1992-12-01), Shimoya et al.
patent: 5701760 (1997-12-01), Torigoe et al.

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