DIESEL ENGINE

DIESEL ENGINE

PROBLEM TO BE SOLVED: To suppress a change in EGR rate even when soot is accumulated at a DPF. SOLUTION: A supercharger 1 consisting of a turbine 2 and a compressor 3 is connected to an intake manifold 5 of a diesel engine 4 and an exhaust manifold 6 via a compressor outlet passage 7 and a turbine i...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: IKETANI NOBUYUKI, IRIE MAMORU
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
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
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To suppress a change in EGR rate even when soot is accumulated at a DPF. SOLUTION: A supercharger 1 consisting of a turbine 2 and a compressor 3 is connected to an intake manifold 5 of a diesel engine 4 and an exhaust manifold 6 via a compressor outlet passage 7 and a turbine inlet passage 8. An EGR passage 14 having an EGR valve 15 is located between the turbine inlet passage 8 and the compressor outlet passage 7. The DPF 16 is situated at an upper stream side of a connection part of the EGR 14 in the turbine inlet passage 8. Exhaust gas 13 from the diesel engine 4 is fed to the DPF 16 to collect and removed soot. The exhaust gas 13 from which soot is collected and removed by the DPF 16 is fed to the turbine 2, and a supercharging pressure by the supercharger 1 is generated. A part thereof is mixed in compressed air 9a passing through the compressor outlet passage 7 through the EGR passage 14 and circulated and fed to the diesel engine 4.