Spiral Heat Exchanger and Corresponding Manufacturing Method
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United States of America Patent
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Nov 12, 2015
app pub date -
May 5, 2015
filing date -
May 7, 2014
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Abstract
The heat exchanger comprises a lower metal sheet, —an upper metal sheet, and a fin sheet delimiting the fins. The lower metal sheet, the upper metal sheet and the fin sheet form a three-layer structure wound in a spiral, whereby the lower metal sheet and the upper metal sheet delimit a first passage for the circulation of a first fluid. The heat exchanger has a set of spacers arranged in the first passage, whereby these spacers are rods separate from the lower and upper metal sheets.
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