Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08)

Full Title

Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F5/00) > Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08)

Child Classifications

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• F28F 1/105
• F28F 1/12 the means being only outside the tubular element
• F28F 1/40 the means being only inside the tubular element
• F28F 1/42 the means being both outside and inside the tubular element