Exhaust gas heat transfer device

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United States of America Patent

PATENT NO 9927183
SERIAL NO

14662223

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to an exhaust gas heat exchanger (1) with a housing (2), in which a tube bundle (3) with multiple tubes (4) is held via headers (5, 6), wherein in the tubes (4) a first flow path for exhaust gas (7) and between the tubes (4) and the housing (2) a second flow path for coolant (8) runs, wherein the first longitudinal ends of the individual tubes (4) of the tube bundle (3) are incorporated in a first header (5) in a fixed manner, in particular welded or brazed. It is substantial to the invention that at least one of the tubes (4) is axially moveable in the region of a second longitudinal end relative to the second header (6) and captive therein.

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Patent Owner(s)

  • MAHLE INTERNATIONAL GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bauer, Martin West Bloomfield, US 95 479
Geskes, Peter Ostfildern, DE 67 634
Pantow, Eberhard Winnenden, DE 44 389

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