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1. (WO2018185389) TURBOCHARGED ENGINE ASSEMBLY HAVING TWO EXHAUST PIPES WITH REINJECTION OF COMBUSTED GASES

Pub. No.:    WO/2018/185389    International Application No.:    PCT/FR2018/050573
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Tue Mar 13 00:59:59 CET 2018
IPC: F02D 9/04
F01N 13/10
F02B 37/18
F02D 13/02
F02M 26/05
F02M 26/40
F02M 26/01
Applicants: PSA AUTOMOBILES SA
Inventors: DUPUIS, Arnaud
VEIGA PAGLIARI, Diego Rafael
REVOL, Emmanuel
Title: TURBOCHARGED ENGINE ASSEMBLY HAVING TWO EXHAUST PIPES WITH REINJECTION OF COMBUSTED GASES
Abstract:
The invention relates to a method for controlling an exhaust of an internal combustion engine assembly (1) of a motor vehicle comprising an exhaust system housing a turbine (2) of a turbocharger, the exhaust having a first, turbine flow coming from the first passage passing through the turbine (2) housing an impeller that partially recovers energy contained in the gases and a second, relief flow coming from the second passage and joining the first flow downstream of the impeller, bypassing the latter. A forced increase in pressure of the second flow is effected during common opening time for returning at least a part of the second flow into said at least one cylinder for full load conditions at an engine speed of less than 3000 rpm or for partial load conditions of the engine under an effective mean pressure of less than 106 Pascals.