To install an exhaust system component at the lower part of a vehicle body without narrowing a cabin space and without overhanging the lower side of the vehicle body.SOLUTION: An undercover 1 installed to cover a bottom face of a vehicle body 2 includes a cylindrical inflow port 11 provided at an upstream end 1a and flowing-in exhaust from an internal combustion engine 3, an exhaust port 12 provided at a downstream end 1b corresponding to a rear part 2b of the vehicle body 2 and opened in a flat wide shape, and an exhaust flow passage part 13 connecting the inflow port 11 with the exhaust port 12 and extending in a flat plate shape over a region 20 corresponding to a cabin.SELECTED DRAWING: Figure 2
【課題】車室空間を狭めることなく、かつ、車体下方へ張り出すことなく、車体下部に排気系部品を設けること。【解決手段】車体2の底面を覆うように設けられるアンダーカバー1であって、上流端1aに配置され、内燃機関3からの排気を流入させる円筒状の流入口11と、車体2の後部2bに対応する下流端1bに配置され、扁平幅広状に開口する排気口12と、流入口11及び排気口12の間を連結し、車室に対応する領域20に亘って平板状に延在する排気流路部13と、を有する。【選択図】図2
UNDERCOVER
アンダーカバー
2021-07-08
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |