Title:
EGR COOLER PROVIDED WITH PRE-COOLING ZONE
Document Type and Number:
WIPO Patent Application WO/2018/194226
Kind Code:
A1
Abstract:
An EGR cooler, according to the present invention, comprises: a body cell of which two sides in the lengthwise direction are formed in the shape of ducts so that cooling water can be introduced to and discharged from the inside thereof; a plurality of gas tubes installed inside the body cell so as to be separated away from the inner surfaces of the body cell; an end plates coupled so as to cover a lengthwise end of the body cell and provided with an opening at a center part into which an end of the gas tubes are inserted by being fitted; and wave fins inserted inside the gas tubes to be in contact with an inner surface of the gas tubes, and of which one lengthwise end is installed so as to face an inlet on the gas tubes, wherein one lengthwise end of at least one wave fin from among the plurality of wave fins is positioned at a point separated away toward an outlet on the gas tubes from the point where the end plate is installed.
Inventors:
CHO HYUNG GEUN (KR)
Application Number:
PCT/KR2017/010637
Publication Date:
October 25, 2018
Filing Date:
September 26, 2017
Export Citation:
Assignee:
KORENS CO LTD (KR)
International Classes:
F02M26/32; F28F9/02; F28F9/26
Foreign References:
| JP4622150B2 | 2011-02-02 | |||
| KR100814071B1 | 2008-03-14 | |||
| KR20090104163A | 2009-10-06 | |||
| JP4354586B2 | 2009-10-28 | |||
| KR100895483B1 | 2009-05-06 |
Attorney, Agent or Firm:
KIM, Sun Kee et al. (KR)
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