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US 2017/0370329 A1Published application
Vehicular egr cooler
AssigneeHanon Systems
InventorsTae Soo CHUN, Jong Uk PARK
Life of this patent
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Abstract
The present invention relates to an EGR cooler for a vehicle capable of increasing space utilization with a compact configuration, increasing an area in which exhaust gas exchanges heat with a cooling fluid, and reducing a pressure difference in exhaust gas at an exhaust gas inlet and an exhaust gas outlet since a plurality of gas tubes installed in a housing, respectively, are configured of a flat portion, a first bent portion, and a second bent portion and a length of the flat portion is longer than a height of the first bent portion and the second bent portion.
Claims26
-25. (canceled)
An EGR cooler for a vehicle, comprising:
- a housing provided with a cooling fluid inlet and a cooling fluid outlet;
- a plurality of gas tubes disposed in the housing to form an exhaust gas channel and including a flat portion extending along a longitudinal direction of the housing, a first bent portion bent at one end of the flat portion, a second bent portion bent at the other end of the flat portion to face the first bent portion, a length L of the flat portion being longer than a height H of the first bent portion and the second bent portion;
- a tube plate fixing the plurality of gas tubes;
- and
- a cover coupled with the housing at an outer side of the tube plate and provided with an exhaust gas inlet and an exhaust gas outlet.
2 more elements
Dependencies are inferred from the claim text.