Patent ID: 6315037
Filing Date: 2001-11-13
Classification: F28D,F28F

Abstract:
A flat tube heat exchanger comprising:a plurality of flat tubes, each said tube having a top end and a bottom end, each said tube divided into a plurality of fluid ducts by a plurality of separating webs, each said tube configured to provide more than two flows;a deflecting bottom disposed near the bottom end of said tubes and including a plurality of deflecting bowls individually assigned to each said tube and deep-drawn from aluminum or an aluminum alloy, the bowls being connected to one another only via their connection to said respectively assigned flat tubes; anda parting wall arranged to sealingly cooperate with the end of a selected separating web formed by a cut out duct of said flat tube which is not used as a guiding duct for a flow and is between adjacent ducts of flows communicating not directly in the bottom end, the parting wall being a local wall design of the deflecting bowl.