ENGINE EXHAUST EMISSION CONTROL DEVICE
PROBLEM TO BE SOLVED: To provide an engine exhaust emission control device avoiding tar-like deposition of unburned fuel in an EGR passage. SOLUTION: This comprises a filter B installed in an exhaust passage 10 of an engine 1 for catching particulate matter in exhaust gas, catalysts installed upstre...
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| creator | ONODERA TAKAO HASEYAMA TAKASHI IKEDA HIDE GO TAMOTSU MATSUNUMA ATSUSHI MIYAZAKI TOSHIO IWASHITA TAKURO |
| description | PROBLEM TO BE SOLVED: To provide an engine exhaust emission control device avoiding tar-like deposition of unburned fuel in an EGR passage. SOLUTION: This comprises a filter B installed in an exhaust passage 10 of an engine 1 for catching particulate matter in exhaust gas, catalysts installed upstream the filter B and/or on a surface of the filter B for regenerating the filter B by raising temperature and burning the particulate matter collected by the filter B when unburned constituents of fuel are supplied, an EGR valve 8 installed in the EGR passage 7 connecting intake and exhaust sides of the engine 1, an injector 2 for injecting fuel into a cylinder and a control means (ECU) 20 for controlling the injector 2 and the EGR valve 8. The control means 20 closes the EGR valve 8 when regenerating the filter and when controlling fuel injection of the injector 2 and supplying unburned constituents of fuel to the catalysts and opens the EGR valve 8 when continuing regeneration of the filter B and when shifting to a state of not injecting fuel from the injector 2. COPYRIGHT: (C)2006,JPO&NCIPI |
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SOLUTION: This comprises a filter B installed in an exhaust passage 10 of an engine 1 for catching particulate matter in exhaust gas, catalysts installed upstream the filter B and/or on a surface of the filter B for regenerating the filter B by raising temperature and burning the particulate matter collected by the filter B when unburned constituents of fuel are supplied, an EGR valve 8 installed in the EGR passage 7 connecting intake and exhaust sides of the engine 1, an injector 2 for injecting fuel into a cylinder and a control means (ECU) 20 for controlling the injector 2 and the EGR valve 8. The control means 20 closes the EGR valve 8 when regenerating the filter and when controlling fuel injection of the injector 2 and supplying unburned constituents of fuel to the catalysts and opens the EGR valve 8 when continuing regeneration of the filter B and when shifting to a state of not injecting fuel from the injector 2. COPYRIGHT: (C)2006,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS |
| title | ENGINE EXHAUST EMISSION CONTROL DEVICE |
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