Patent ID: 9038710
Filing Date: 2015-05-26
Classification: F28F,Y10T

Abstract:
1. A finned tube comprising: a tube body having an outer surface; at least one helical fin extending from the tube body outer surface, wherein the fin is monolithic with the tube body and the fin includes a fin top, a fin base, and a fin side wall, and wherein a channel is defined between two adjacent fin sections of the at least one helical fin; and a plurality of wings having a wing upper surface, the wings extending from the fin side wall between the fin top and the fin base, wherein the wings further comprise a plurality of alternating upper wings and lower wings, wherein the upper wing upper surface is further from the tube body outer surface than the lower wing upper surface and wherein the upper wings and the lower wings form a barrier which divides the channel into an upper channel and a lower channel, wherein the upper channel is provided above both of the upper wings and the lower wings and the lower channel is provided below both of the upper wings and the lower wings.