Laminated heat exchanger

Details Laminated heat exchanger Laminated heat exchanger

1996-02-29

1997-04-08

Leo, Leonard R.

Heat exchange

Radiator core type

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

165176, F28D 103

Patent

active

056179146

ABSTRACT:
A plurality of tube elements, each of which is provided with a pair of tanks on one side with these tanks communicating via a heat exchanging medium passage, are laminated. An intake/outlet tank group with intake/outlet portions is divided into three tank sub groups while a non intake/outlet tank group is not partitioned, constituting a single tank group. The intake/outlet portion on the intake side is directly connected with the tank sub group at one end in the intake/outlet tank group and at the same time, it communicates with the tank sub group at the other end via a relay pipe. Consequently, the coolant that has flowed in through the intake/outlet portion is induced to the non intake/outlet tank group from the tank sub group at one end via a heat exchanging medium passage and it is also induced to the non intake/outlet tank group from the tank sub group at the other end via the heat exchanging medium passage before the two flows are joined at the center. Then, the coolant reaches the tank sub group at the center in the intake/outlet tank group by travelling through the heat exchanging medium passage again to flow out through the intake outlet portion on the output side. By improving the distribution of the heat exchanging medium, the performance of the heat exchanger is enhanced.

REFERENCES:
patent: 4274482 (1981-06-01), Sonoda
patent: 4487038 (1984-12-01), Iijima
patent: 5024269 (1991-06-01), Noguchi et al.
patent: 5042577 (1991-08-01), Suzumura
patent: 5355947 (1994-10-01), Rasso, Jr. et al.
patent: 5413169 (1995-05-01), Frazier et al.

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