Heat exchange – Tubular structure – With support or flow connector
Reexamination Certificate
2004-06-09
2010-02-23
Duong, Tho V (Department: 3744)
Heat exchange
Tubular structure
With support or flow connector
C165S177000, C029S890053
Reexamination Certificate
active
07665512
ABSTRACT:
A flat heat exchanger tube formed of a single strip of rolled aluminum, with at least one connection between the two broad sides. The connection is generally parallel to and spaced between the narrow sides and divides the heat exchanger tube into at least two chambers, and includes two legs consisting of bent opposite edges of the aluminum strip, the legs each having a head at adjacent bends along one of the broad sides and feet adjacent the other broad side. The legs lie against each other generally at their head over no more than half of the entire spacing between the two broad sides, with the legs enclosing an angle between them of about 20° to 100° or about 45° to 75°, advantageously 60°.
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European Search Report dated Oct. 7, 2004.
Brost Viktor
Käsinger Rainer
Duong Tho V
Michael & Best & Friedrich LLP
Modine Manufacturing Company
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