Laminated heat exchanger

Details Laminated heat exchanger Laminated heat exchanger

1995-04-19

1997-09-02

Leo, Leonard R.

Heat exchange

Radiator core type

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

165176, F28D 103

Patent

active

056621647

ABSTRACT:
In a laminated heat exchanger, tube elements through which heat exchanging medium does not easily flow are eliminated by partitioning one of two tank groups extending in a direction of lamination approximately at the middle to divide it into a first communicating area 22 and a second communicating area 23. The first communicating area 22 communicates with an intake port 20 though which coolant flows in. The second communicating area 23 communicates with an outlet port 21 through which the coolant flows out. The number of tube elements constituting the first communicating area 22 is greater than the number of tube elements constituting the second communicating area 23. In this 4-pass system laminated heat exchanger, inconsistency in temperature distribution is minimized to achieve an improvement in heat exchanging performance.

REFERENCES:
patent: 4217953 (1980-08-01), Sonoda et al.
patent: 4274482 (1981-06-01), Sonoda
patent: 4621685 (1986-11-01), Nozawa
patent: 4867486 (1989-09-01), Fukata et al.
patent: 5024269 (1991-06-01), Noguchi et al.
patent: 5431217 (1995-07-01), Kadle et al.
patent: 5511611 (1996-04-01), Nishishita

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