Exhaust aftertreatment device
a technology of exhaust pressure and aftertreatment device, which is applied in the direction of exhaust treatment electric control, machines/engines, mechanical equipment, etc., to achieve the effect of preventing deterioration of fuel consumption, reducing the effect of exhaust pressure, and reducing the effect of error
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[0031]One embodiment of the invention will be described below with reference to the attached drawings.
[0032]FIG. 1 shows a system configuration view of a 4-cylinder diesel engine (hereinafter, referred to as engine) installed in a vehicle, the engine being equipped with an exhaust aftertreatment device according to the invention.
[0033]The engine 1 has a high-pressure accumulator (hereinafter, referred to as common rail) 2 that is common to cylinders. Diesel oil, which is a high-pressure fuel supplied from a fuel-injection pump, not shown, and stored in the common rail 2, is fed to injectors 4 provided to the cylinders, and is then injected from the injectors 4 into the cylinders.
[0034]A turbocharger 8 is interposed in an intake path 6. Intake air that is sucked from an air cleaner 7 runs through the intake path 6 into a compressor 8a of the turbocharger 8. The intake air that is supercharged in the compressor 8a travels through an intercooler 10 and an intake control valve 12, and i...
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