Heat exchanger tube block with multichamber flat tubes

US6523606B1 · kind B1 · utility

Assignee

• Visteon Global Technologies, Inc. · US

Inventors

• Bernd Dienhart · Recklinghausen, DE
• Hans-Joachim Krauss · Stuttgart, DE
• Hagen Mittelstrass · Nagold, DE
• Karl-Heinz Staffa · Stuttgart, DE
• Christoph Walter · Stuttgart, DE
• Jochen Schumm · Eberdingen, DE

Key dates

• Filing date: Mar 24, 2000
• Grant date: Feb 25, 2003
• Expiry date: Mar 24, 2020

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F28F2250/04
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

A heat exchanger block includes a plurality of block units, located one behind the other, each having a plurality of stacked tube units with tube ducts extending transverse to the block depth and height. The tube ducts are connected at ends to associated collector ducts extending in the block height direction. The tube units can be formed from a multichamber flat tube. At least one collector-duct connection is provided between adjacent block units to form a meandering flow path through the heat exchanger block. The heat exchanger block can be used as an evaporator in a motor vehicle air-conditioning system.