Saddle-type vehicle

Provided is a saddle-type vehicle in which increases in the vertical size of the vehicle can be minimized while the initial performance of the vehicle with regard to exhaust purification can be maintained for an extended period of time. The center of the upstream end of a catalyst part (62) is posit...

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Bibliographic Details
Main Authors KUROIWA, MAKOTO, OKU, YUJI, KOBAYASHI, MAKOTO, TAKASU, DAISUKE, HARA, TAKAHIKO, WAKIMURA, MAKOTO
Format Patent
LanguageChinese
English
Published 01.08.2016
Subjects
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
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:Provided is a saddle-type vehicle in which increases in the vertical size of the vehicle can be minimized while the initial performance of the vehicle with regard to exhaust purification can be maintained for an extended period of time. The center of the upstream end of a catalyst part (62) is positioned forward and upward from the center of the downstream end of the catalyst part (62). A straight line that is orthogonal to a cylinder axis Cy and passes through a crank axis Cr, as seen in the lateral direction, is designated as a straight line La1. The center of the upstream end of the catalyst part (62) is arranged rearward from the straight line La1 and forward from the crank axis Cr, as seen in the lateral direction. An upstream oxygen sensor (76) is provided to an upstream collected-exhaust passage (65) connected to the upstream end of the catalyst part (62). A downstream oxygen sensor (77) is provided to a downstream collected-exhaust passage (63) connected to the downstream end of the catalyst part (62)
Bibliography:Application Number: TW20154143042