METHOD FOR MANUFACTURING TUBE PLATE FIN HEAT EXCHANGERS
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Oct 8, 2012
filing date -
Nov 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Method for manufacturing tube fm heat exchangers, (TFP), by brazing metal components of mainly aluminium or aluminium alloys including the following steps:—making the components of the TFP heat exchanger including the tubes (2) and plate fins (6) with collars (7),—providing a pre-braze coating with filler material on the tubes (2), or providing a (welded) clad tube (2) with a flux coating,—assembling the components including attaching the fins (6) to the tubes (2),—heating the assembled components forming the brazed connection between the tubes (2) and fins (6).
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