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Patent Searching and Data


Title:
GAS TUBE FOR EGR COOLER HAVING IMPROVED ANTI-CORROSIVE CHARACTERISTICS
Document Type and Number:
WIPO Patent Application WO/2019/103214
Kind Code:
A1
Abstract:
A gas tube for an EGR cooler according to the present invention has such a structure that a metal plate having a flat plate shape is bent in a tube shape. The metal plate comprises a core material, a sheath material cladded on one surface of the core material or on both surfaces thereof, and a middle material cladded between the core material and the sheath material so as to prevent magnesium from diffusing from the core material to the sheath material. The core material comprises copper (Cu), silicon (Si), iron (Fe), magnesium (Mg), manganese (Mn), titanium (Ti), and aluminum (Al). The gas tube for an EGR cooler according to the present invention is advantageous in that the same has excellent strength and anti-corrosion characteristics such that a long life is maintained even in harsh environments, and the EGR cooler does not undergo performance degradation due to corrosion, thereby reducing exhaust gas and improving fuel efficiency. The gas tube for an EGR cooler according to the present invention also has an advantage in that the bonding portion thereof has no gap or hole formed therein, which may lead to fracture, thereby providing excellent durability and structural strength.

Inventors:
CHO, Hyung Geun (7009ho, T2 38, Marine city 2-ro,,Haeundae-gu, Busan, 48120, KR)
Application Number:
KR2017/013695
Publication Date:
May 31, 2019
Filing Date:
November 28, 2017
Export Citation:
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Assignee:
KORENS CO.,LTD. (116, Eogokgongdan-roYangsan-si, Gyeongsangnam-do, 50591, KR)
International Classes:
F02M26/32; F28F21/08
Foreign References:
JP2009127122A2009-06-11
JP2014125658A2014-07-07
JPH10158769A1998-06-16
KR20130079778A2013-07-11
JP2006022405A2006-01-26
Attorney, Agent or Firm:
KIM, Sun Kee et al. (4th Floor, 146 Seocho-daer, Seocho-gu Seoul, 06661, KR)
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