Heat exchanger in the housing loose bricks
2003
The invention relates to a heat exchanger in the housing loose bricks, in which two deformed plates (1, 2) form a flat tube (3), which are stacked, wherein at one end of the stack of flat tubes (3) an inlet header box (4) in the manner a diffuser and at the other end an outlet header box (5) is arranged for example for exhaust gas or charge air, that the through the flat tubes (3) flows / and is cooled by means of coolant, which over into the stack extending channels (10) can be introduced and ausleitbar, wherein the channels (10) by means of connected openings (11) in the deformed plates (1, 2) are formed and wherein the channels (10) are connected to between the flat tubes (3) existing flow channels (12) hydraulically , A manufacturing-friendly and provided with excellent functional properties of the heat exchanger according to the invention created by the fact that in one of the collecting boxes (4, 5), a switching valve (20) is arranged, with which at least the predominant proportion of the through the flat tubes (3) for conducting the gas stream either by a plurality of cooled flat tubes (3) of the stack or through at least one uncooled flat tube (3) is steerable, being arranged between the cooled and the at least one non-cooled flat tube (3) a Isoaltionsplatte (30) (having a deformed plate 1, 2) the at least one non-cooled flat tube (3) and to the adjacent deformed plate ...
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