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1. WO2020108564 - ENGINE HAVING LOW-PRESSURE EGR SYSTEM, AND VEHICLE

Publication Number WO/2020/108564
Publication Date 04.06.2020
International Application No. PCT/CN2019/121622
International Filing Date 28.11.2019
IPC
F02M 26/06 2016.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
26Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation systems
02EGR systems specially adapted for supercharged engines
04with a single turbocharger
06Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
F02D 41/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
F01P 7/16 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
7Controlling of coolant flow
14the coolant being liquid
16by thermostatic control
CPC
F01P 7/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
7Controlling of coolant flow
14the coolant being liquid
16by thermostatic control
F02D 2200/1002
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
2200Input parameters for engine control
02the parameters being related to the engine
10Parameters related to the engine output, e.g. engine torque or engine speed
1002Output torque
F02D 2200/101
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
2200Input parameters for engine control
02the parameters being related to the engine
10Parameters related to the engine output, e.g. engine torque or engine speed
101Engine speed
F02D 2200/60
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
2200Input parameters for engine control
60said parameters being related to the driver demands or status
F02D 41/0052
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
0047Controlling exhaust gas recirculation [EGR]
005according to engine operating conditions
0052Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount
F02D 41/0077
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
0047Controlling exhaust gas recirculation [EGR]
0077Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
Applicants
  • 长城汽车股份有限公司 GREAT WALL MOTOR COMPANY LIMITED [CN]/[CN]
Inventors
  • 崔亚彬 CUI, Yabin
  • 高定伟 GAO, Dingwei
  • 王立俊 WANG, Lijun
  • 常进才 CHANG, Jincai
Agents
  • 北京清亦华知识产权代理事务所(普通合伙) TSINGYIHUA INTELLECTUAL PROPERTY LLC
Priority Data
201811459384.830.11.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ENGINE HAVING LOW-PRESSURE EGR SYSTEM, AND VEHICLE
(FR) MOTEUR POURVU D'UN SYSTÈME DE RECIRCULATION DES GAZ D'ÉCHAPPEMENT BASSE PRESSION ET VÉHICULE ASSOCIÉ
(ZH) 具有低压EGR系统的发动机以及车辆
Abstract
(EN)
An engine (7) having a low-pressure EGR system, and a vehicle, the engine (7) comprising: a target EGR rate control module and a temperature control module; the target EGR rate control module is applicable to determining and adjusting the opening of an EGR valve (11) according to the mode which a vehicle is about to enter, and the temperature control module is applicable to determining and adjusting the temperature of a cooling liquid of the engine (7) according to the working conditions of the vehicle.
(FR)
L'invention concerne un moteur (7) pourvu d'un système de recirculation des gaz d'échappement (RGE) basse pression, et un véhicule associé. Le moteur (7) selon l'invention comprend : un module de commande de vitesse RGE cible et un module de régulation de température ; le module de commande de vitesse RGE cible est applicable pour déterminer et régler l'ouverture d'une soupape RGE (11) en fonction du mode que le véhicule s'apprête à adopter, et le module de régulation de température est applicable pour déterminer et régler la température d'un liquide de refroidissement du moteur (7) en fonction des conditions de fonctionnement du véhicule.
(ZH)
一种具有低压EGR系统的发动机(7)以及车辆,所述发动机(7)包括:目标EGR率控制模块和温度控制模块,所述目标EGR率控制模块适于根据车辆即将进入的模式确定并调整EGR阀(11)开度,所述温度控制模块适于根据车辆的工况确定并调整发动机(7)的冷却液温度。
Also published as
Latest bibliographic data on file with the International Bureau