EXTRUDED WING TUBE PORTION, WING TUBE COMPRISING AN EXTRUDED WING-TUBE PORTION, AND HEAT EXCHANGER COMPRISING A WING TUBE, AND METHOD FOR PRODUCING A WING-TUBE PORTION
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United States of America Patent
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Issued Date -
Jan 19, 2023
app pub date -
Jul 23, 2020
filing date -
Jul 23, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An extruded wing tube section (10) according to the invention consists of a formed tube portion (12) comprising at least one first wing section (20) integrally formed thereon in a first radial plane of the tube portion (12). The first wing section (20) has a plurality of first radial cut-outs such that a plurality of first wings (22) is provided in the first wing portion (20). Each of the first wings (20) is rotated about a radial axis of rotation such that each of the first wings (22) is rotated out of the first radial plane by a first angle 0°<α1<π° A first continuous transition portion is provided between the tube region (12) and each of the first wings (22), which transition portion has a twisted portion in the portion of the axis of rotation, and at least one expansion portion adjacent thereto.
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