09897387 cites 83 patents.

A heat exchanger for a motor vehicle, in particular an exhaust gas heat exchanger, includes an outer casing in which heat exchanger tubes are arranged as bundles. At least one heat exchanger tube is configured double-walled, and formed from an outer tube and an inner tube. A first medium flows in the casing and/or in the inner tube and a second medium flows between the outer tube and the inner tube.

Title
Heat exchanger with double-walled tubes
Application Number
14/398371
Publication Number
9897387 (B2)
Application Date
April 30, 2013
Publication Date
February 20, 2018
Inventor
Michael T Glass
Shelbyville
MI, US
Agent
Henry M Feiereisen
Assignee
BENTELER AUTOMOBILTECHNIK
DE
IPC
F28D 7/00
F28D 7/10
F28F 1/00
View Original Source