Laminated heat exchanger

Details Laminated heat exchanger Laminated heat exchanger

1997-05-22

1999-03-16

Leo, Leonard R.

Heat exchange

Radiator core type

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

165176, F28D 103

Patent

active

058818049

ABSTRACT:
In a laminated heat exchanger, an intake portion and an outlet portion for heat exchanging medium are provided at one end portion in the direction of lamination. The intake portion is made to communicate with a most upstream pass distanced from the one end portion in the direction of lamination via a communicating pipe, and the outlet portion is made to communicate with the most downstream pass at one end portion in the direction of lamination. The communicating pipe is further made to communicate with an odd-numbered pass in the vicinity where the odd-numbered pass changes from the even-numbered pass that immediately precedes it. In addition, the intake portion at one end portion in the direction of lamination is made to communicate with the pass immediately preceding the most downstream pass. Since the heat exchanging medium flows in sufficient quantity through the tube elements in the vicinity of the downstream side of the partitioning portion, inconsistency in the temperature distribution can be avoided thereby achieving an improvement in heat exchanging efficiency.

REFERENCES:
patent: 5062477 (1991-11-01), Kadle
patent: 5511611 (1996-04-01), Nishishita
patent: 5553664 (1996-09-01), Nishishita et al.

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