公开(公告)号：US20180274868A1

公开(公告)日：2018-09-27

申请号：US15762400

申请日：2016-09-06

Applicant: LINDE AKTIENGESELLSCHAFT

Inventor： Florian EHEGARTNER ,  John MCCAFFERY

IPC: F28F19/04 ,  F28F17/00

CPC classification number: F28F19/04 ,  F28F17/00 ,  F28F19/02 ,  F28F2245/02 ,  F28F2245/04

Abstract: A heat transfer tube (2), in particular a finned tube, for an air-heated evaporator (1) for heating and/or evaporating cryogenic fluids, having a tube section (8) and a coating (15) which is provided on the outer side of the tube section (8) and has a hydrophilic portion (16) and a hydrophobic portion (17), wherein the hydrophilic portion (16) forms, in the coating (15), seed points (18), which are peripherally enclosed by the hydrophobic portion (16), for condensing air moisture thereon and wherein the seed points (18) have a size of less than 100 nm.