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Motorcycle

A technology for motorized two-wheeled vehicles and vehicles, which can be applied to motor vehicles, machines/engines, motorcycles, etc., can solve problems such as exhaust gas sensor constraints, and achieve the effects of improving appearance and suppressing cost increases.

Active Publication Date: 2017-11-28
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in a motorcycle, many parts of the exhaust pipe and the muffler are exposed to the outside, which poses a big constraint on the arrangement of the exhaust gas sensor.

Method used

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Experimental program
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Embodiment

[0037] Embodiments of the present invention will be described based on the drawings.

[0038] Such as figure 1 As shown, a motorcycle 10 includes a body frame 11, an engine 12 suspended from the body frame 11, front wheels 13 provided on the body frame 11 in a steerable manner, and a pivot supported on the body frame 11 in a swingable manner. The swing arm 16 of the shaft portion 15, the rear wheel 14 provided at the rear end of the swing arm 16, and the vehicle seat 17 provided on the body frame 11 between the front wheel 13 and the rear wheel 14 for passengers to sit on, the two-wheeled motor vehicle 10 is a straddle type vehicle for passengers to straddle on the seat 17.

[0039] The main elements of the vehicle body frame 11 are: a head pipe 21 that supports the front wheels 13 in a rotatable manner; a main frame 22 and a down frame 23 that protrude upward from the head pipe 21 toward the rear and downward of the vehicle in a substantially circular arc. The pivot portio...

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PUM

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Abstract

The present invention addresses the problem of providing a technology for preventing a motorcycle, which is provided with an exhaust gas sensor, from being affected by airborne stones, while limiting the impact on the layout of other members. A motorcycle that is provided with: an exhaust gas pipe 41 connected to an exhaust gas port 66 of an engine 12; a catalyst 42 provided inside the exhaust gas pipe 41; and an exhaust gas sensor 67 provided inside the exhaust gas pipe 41 and capable of detecting exhaust gas components in the exhaust gas pipe 41, wherein: the exhaust gas pipe 41 is provided with a hanging part 74 that extends downward; the catalyst 42 is supported by the upper portion of the hanging part 74; and the exhaust gas sensor 67 is disposed below the catalyst 42, i.e. at the lower portion of the hanging part 74, and is disposed at the vehicular rear side of the hanging part 74.

Description

technical field [0001] The present invention relates to an improvement of a two-wheeled motor vehicle equipped with an exhaust gas sensor. Background technique [0002] An exhaust device for an engine equipped with an exhaust gas sensor capable of detecting exhaust gas components in the exhaust gas is known (for example, refer to Patent Document 1 ( figure 2 )). [0003] As in Patent Document 1 figure 2 As shown, the exhaust device (6) of the engine (numbers in parentheses indicate the reference numerals described in Patent Document 1. The same applies below.) is equipped with an exhaust pipe (7) extending from the exhaust port of the engine and the exhaust A muffler (8) is connected to the downstream end (7a) of the pipe (7), and the downstream end (7a) is accommodated in the muffler (8). A three-way catalyst (10) (hereinafter referred to as "catalyst") is arranged in the exhaust pipe (7), and an O 2 A sensor (14) (hereinafter referred to as "exhaust gas sensor"). [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D35/00B62J99/00B62M7/02F01N3/00F01N3/24F01N13/00F01N13/08
CPCB62M7/02F01N3/24F01N13/00F01N13/08F01N3/00F02D35/00F01N3/10F01N13/008F01N13/1894F01N2470/00F01N2560/025F01N2590/04Y02A50/20B62J40/10
Inventor 庄村卓祥中川宏司清水规文高田康弘川崎慎治
Owner HONDA MOTOR CO LTD
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