Heat exchanger arrangement particularly for motor vehicle

A heat exchanger arrangement comprising:

• a coolant cooler exposed to ambient air and comprising a plurality of tubes through which coolant to be cooled flows and heat dissipating ribs connected to the tubes;
• a charge-air cooler exposed to ambient air and comprising a plurality of tubes through which hot charge air flows and heat dissipating ribs connected to the tubes, the charge-air cooler having a charge-air inlet region from which hot charge air is introduced and a charge-air outlet region from which cooled charge air exits;
• and
• at least one additional heat exchanger,
• wherein the charge-air cooler is positioned downstream of the coolant cooler relative to a direction of cooling air flow,
• wherein the charge-air cooler has an overlapping region in which the coolant cooler and the charge-air cooler overlap one another and a non-overlapping region in which a portion of the charge-air cooler projects substantially perpendicularly to the cooling air flow direction, beyond the coolant cooler,
• wherein the non-overlapping region is formed at least in the charge-air outlet region and is cooled by ambient cooling air that does not pass through the coolant cooler,
• wherein the overlapping region is cooled by ambient cooling air that cools the coolant cooler,
• wherein said at least one additional heat exchanger is arranged upstream of and at least partially overlapping the non-overlapping region of the charge-air cooler, and
• wherein the additional heat exchanger is connected downstream of the charge-air outlet region to further cool the charge air.

A heat exchanger arrangement comprising:

• a coolant cooler exposed to ambient air and comprising a plurality of tubes through which coolant to be cooled flows and heat dissipating ribs connected to the tubes;
• and
• a charge-air cooler exposed to ambient air and comprising a plurality of tubes through which hot charge air flows and heat dissipating ribs connected to the tubes, the charge-air cooler having a charge-air inlet region from which hot charge air is introduced and a charge-air outlet region from which cooled charge air exits, the charge air cooler having a first charge-air cooler part and a second charge-air cooler part;
• wherein the first charge-air cooler part is positioned downstream of the coolant cooler relative to a direction of cooling air flow,
• wherein the first charge-air cooler part has an overlapping region in which the coolant cooler and the first charge-air cooler part overlap one another and a non-overlapping region in which a portion of the first charge-air cooler part projects substantially perpendicularly to the cooling air flow direction, beyond the coolant cooler,
• wherein the non-overlapping region is formed at least in the charge-air outlet region and is cooled by ambient cooling air that does not pass through the coolant cooler,
• wherein the overlapping region is cooled by ambient cooling air that cools the coolant cooler,
• wherein the second charge-air cooler part is arranged upstream of and at least partially overlaps the non-overlapping region of the first charge-air cooler part.