SADDLE-RIDING-TYPE VEHICLE EXHAUST DEVICE

An exhaust device (20) for a saddle-type vehicle having a pipe section (19) with respect to a vehicle body and housing a catalyzer (C) therein, and a muffler (26) connected to a rear end of the pipe section (19) includes an upstream oxygen sensor (U) disposed on the pipe section (19) and positioned...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUI, Yasumasa, YAMASHITA, Akihiro, TAJIRI, Hideaki, NAGATSUYU, Toshiya, OISHI, Yu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES CYCLES 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 LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES STEAM ENGINES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An exhaust device (20) for a saddle-type vehicle having a pipe section (19) with respect to a vehicle body and housing a catalyzer (C) therein, and a muffler (26) connected to a rear end of the pipe section (19) includes an upstream oxygen sensor (U) disposed on the pipe section (19) and positioned upstream of the catalyzer (C) and a downstream oxygen sensor (D) disposed on the pipe section (19) and positioned downstream of the catalyzer (C). The pipe section (19) includes a larger-diameter portion (61) having an increased diameter for housing the catalyzer (C) therein. The downstream oxygen sensor (D) is disposed in the larger-diameter portion (61). The upstream oxygen sensor (U) and the downstream oxygen sensor (D) are positioned upwardly of a central line (Oc) of the larger-diameter portion (61) with respect to the vehicle body as viewed in side elevation of the vehicle body.