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1. (WO2018103898) EXHAUST HEAT RECUPERATION DEVICE, WITH IMPROVED SEALING

Pub. No.:    WO/2018/103898    International Application No.:    PCT/EP2017/055492
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Thu Mar 09 00:59:59 CET 2017
IPC: F01N 5/02
F01N 3/02
Applicants: FAURECIA SYSTEMES D'ECHAPPEMENT
Inventors: GREBER, Frédéric
OH, Yong-Hwan
HOSSFELD, Christoph
Title: EXHAUST HEAT RECUPERATION DEVICE, WITH IMPROVED SEALING
Abstract:
The recuperation device (10) extends between an exhaust gas inlet (16) and outlet (18), and comprises: a valve (12) delimiting a direct gas passage (19) between the inlet (16) and the outlet (18) and comprising a valve body (20) housing a shutter (26) mobile between a position for shutting off and a position for uncovering the passage (19), and a heat exchanger (14) comprising an exchanger inlet (36) upstream of the shutter (26), and an exchanger outlet (38) downstream of the shutter (26). The valve (12) comprises a tube (22) extending partly inside the valve body (20), as far as a distal-end mouth edge (24), said mouth edge (24) extending in a plane. The shutter (26) has a planar contact surface (30) intended to come into direct contact with said mouth edge (24) of the tube (22) when the shutter (26) is in the shutting-off position.