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)
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:
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:
WO2016190068A1 | 2016-12-01 |
Foreign References:
JP2016003802A | 2016-01-12 | |||
JPS529862U | 1977-01-24 | |||
JP2012097920A | 2012-05-24 | |||
JP2009178723A | 2009-08-13 | |||
JPS62240108A | 1987-10-20 | |||
JP2010085066A | 2010-04-15 | |||
JP2000002396A | 2000-01-07 | |||
JP2017078202A | 2017-04-27 | |||
JP2013011419A | 2013-01-17 |
Other References:
See also references of EP 3550252A4
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
Download PDF:
Previous Patent: CHIP-TYPE ELECTRONIC COMPONENT
Next Patent: ELECTRIC HEATER AND METHOD FOR MANUFACTURING SAME
Next Patent: ELECTRIC HEATER AND METHOD FOR MANUFACTURING SAME