Heat exchange – Radiator core type – Deformed sheet forms passages between side-by-side tube means
Reexamination Certificate
2007-04-10
2007-04-10
Flanigan, Allen J. (Department: 3744)
Heat exchange
Radiator core type
Deformed sheet forms passages between side-by-side tube means
C165S179000, C165S916000
Reexamination Certificate
active
11055032
ABSTRACT:
A heat exchanger, preferably an oil cooler (1) for a motor vehicle, comprises stacked flat tubes (2, 3, 4), which have tube ends with apertures for admitting and discharging oil, which flows through the flat tubes (2, 3, 4) in their longitudinal direction. The apertures of adjacent flat tubes (2, 3, 4) are in fluid communication with one another in order to form flow passages, and spacings are left between the flat tubes for a medium, in particular a cooling medium, to pass through. The flat tubes are designed as extruded multi-channel tubes.
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Geiger Wolfgang
Staffa Karl-Heinz
Behr GmbH & Co. KG
Flanigan Allen J.
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