Heat exchanger for cooling exhaust gas and method of...

Details Heat exchanger for cooling exhaust gas and method of... Heat exchanger for cooling exhaust gas and method of...

2005-09-20

2005-09-20

Leo, Leonard R. (Department: 3753)

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

C029S890053, C165S051000, C165S109100, C165S158000, C165S166000, C165S170000

Reexamination Certificate

active

06944947

ABSTRACT:
A heat exchanger for cooling exhaust gas, around which liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded with a sheet metal jacket which follows the contour of the bundle and which is provided with a cooling medium inlet and a cooling medium outlet. The ends of the sheet metal jacket are provided with welded-on flange plates which are each open by means of a central opening with respect to the bundle of rectangular tubes and which are provided with fastening devices for fastening onto pipe sections of an exhaust pipe.

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