Exhaust gas dilution device and PM measurement system

The present invention is one that, in measurement of exhaust gases respectively discharged from a first engine and a second engine, reduce a PM measurement error caused by sharing a dilution tunnel, and has: a dilution tunnel for diluting exhaust gas from an engine with dilution air; a diesel exhaus...

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Bibliographische Detailangaben
1. Verfasser:	Kumagai Tatsuki
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TESTING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention is one that, in measurement of exhaust gases respectively discharged from a first engine and a second engine, reduce a PM measurement error caused by sharing a dilution tunnel, and has: a dilution tunnel for diluting exhaust gas from an engine with dilution air; a diesel exhaust gas introduction path that introduces diesel exhaust gas from a diesel engine DE into the dilution tunnel; and a gasoline exhaust gas introduction path that introduces diluted gasoline exhaust gas from a gasoline engine GE into the dilution tunnel, wherein: the dilution tunnel has a gas mixing part that mixes the diesel exhaust gas introduced by the diesel exhaust gas introduction path and the dilution air with each other; and the gasoline exhaust gas introduction path introduces the gasoline exhaust gas into an upstream side of the gas mixing part in the dilution tunnel.