SOLDERED FLAT TUBE FOR CONDENSERS AND/OR EVAPORATORS

摘要

The present invention relates to a soldered flat tube for condensers and/or for evaporators in air-conditioning systems, in particular in motor vehicles, which can be produced by deformation of endless aluminum sheet-metal strips, has two narrow sides and two wide sides and also has inner passages with a hydraulic diameter which is greater than or equal to 0.254 mm, and the flat tube has a tube wall thickness of less than 0.25 mm, wherein both narrow sides are reinforced by having at least double the thickness of the remaining tube wall thickness.