Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses

Full Title

Tubular elements; Assemblies of tubular elements > Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

HEAT EXCHANGE IN GENERAL

Subclass:

DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION

Child Classifications

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• F28F 1/12 the means being only outside the tubular element
• F28F 1/4 the means being only inside the tubular element
• F28F 1/42 the means being both outside and inside the tubular element