Global Patent Index - EP 3070426 B1

EP 3070426 B1 20170712 - EXHAUST GAS HEAT TRANSFER DEVICE

Title (en)

EXHAUST GAS HEAT TRANSFER DEVICE

Title (de)

ABGASWÄRMEÜBERTRAGER

Title (fr)

ÉCHANGEUR THERMIQUE DES GAZ DE COMBUSTION

Publication

EP 3070426 B1 20170712 (DE)

Application

EP 16157426 A 20160225

Priority

US 201514662223 A 20150318

Abstract (en)

[origin: US2016273838A1] 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.

IPC 8 full level

F28F 9/02 (2006.01); F28D 7/00 (2006.01); F28D 7/16 (2006.01)

CPC (source: EP US)

F28D 7/0066 (2013.01 - US); F28D 7/16 (2013.01 - EP US); F28F 9/0236 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3070426 A1 20160921; EP 3070426 B1 20170712; JP 2016176687 A 20161006; US 2016273838 A1 20160922; US 9927183 B2 20180327

DOCDB simple family (application)

EP 16157426 A 20160225; JP 2016054195 A 20160317; US 201514662223 A 20150318