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Patent Searching and Data


Title:
HEAT TRANSFER TUBE, HEAT EXCHANGER, AND METHOD FOR MANUFACTURING HEAT TRANSFER TUBE
Document Type and Number:
WIPO Patent Application WO/2018/101406
Kind Code:
A1
Abstract:
A heat transfer tube made of aluminum, wherein the heat transfer tube is provided with a streak-shape Zn diffusion layer (6, 106) formed in a spiral shape along the length direction on the circular outer circumferential surface of the heat transfer tube. According to this heat transfer tube, a sufficient corrosion resistance can be obtained even if rainwater or dew condensation water collects at one particular circumferential portion of the outer circumferential surface.

Inventors:
NAKAURA YUSUKE (JP)
HATERUMA YUKI (JP)
KUME HIDEO (JP)
OKAWA TAKUYA (JP)
Application Number:
PCT/JP2017/043068
Publication Date:
June 07, 2018
Filing Date:
November 30, 2017
Export Citation:
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Assignee:
MITSUBISHI ALUMINIUM (JP)
International Classes:
F28F19/06; B21C1/22; C23C4/08; C23C4/18; C23C10/28; F28F1/40; F28F21/08; B21C37/20
Domestic Patent References:
WO2016190068A12016-12-01
Foreign References:
JP2016003802A2016-01-12
JPS529862U1977-01-24
JP2012097920A2012-05-24
JP2009178723A2009-08-13
JPS62240108A1987-10-20
JP2010085066A2010-04-15
JP2000002396A2000-01-07
JP2017078202A2017-04-27
JP2013011419A2013-01-17
Other References:
See also references of EP 3550252A4
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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