EXHAUST GAS DILUTION DEVICE AND EXHAUST GAS MEASURING SYSTEM USING THE SAME

In order to provide an exhaust gas dilution device capable of making a flow rate range wider than before, the exhaust gas dilution device is adapted to include a dilution tunnel through which diluent gas such as air flows, an orifice member adapted to block the dilution tunnel except for an orifice...

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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 LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	In order to provide an exhaust gas dilution device capable of making a flow rate range wider than before, the exhaust gas dilution device is adapted to include a dilution tunnel through which diluent gas such as air flows, an orifice member adapted to block the dilution tunnel except for an orifice hole provided in a central part, and an exhaust gas introduction pipe 1 of which a discharge port is disposed so as to face to the orifice hole and face to a downstream side and through which exhaust gas is discharged from the discharge port into the dilution tunnel. In addition, in the exhaust gas dilution device, the orifice member is formed with a concave part that is gradually concaved from an outer circumferential edge part toward the orifice hole as viewed from an upstream side.