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Motorcycle

A technology for motorized two-wheeled vehicles and engines, applied to motor vehicles, machines/engines, bicycles, etc., to achieve the effect of suppressing large-scale and processing costs

Active Publication Date: 2017-12-01
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the exhaust gas sensor (14) is installed in such a muffler (8), the exhaust gas sensor (14) is installed to protrude from the outside of the muffler (8), which tends to increase the size of the vehicle.

Method used

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  • Motorcycle
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Examples

Experimental program
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Effect test

Embodiment

[0036] Embodiments of the present invention will be described based on the drawings.

[0037] Such as figure 1 As shown, the motorcycle 10 has a body frame 11, an engine 12 suspended from the body frame 11, front wheels 13 provided on the body frame 11 in a freely steerable manner, and pivots 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 rotatably supported, and the vehicle body frame 11 provided between the front wheel 13 and the rear wheel 14 on which passengers ride. seat 17, the two-wheeled motor vehicle 10 is a straddle type vehicle for passengers to straddle the seat 17.

[0038] The main elements of the body frame 11 are: a head pipe 21 that supports the front wheels 13 in a rotatable manner; a main frame 22 that extends from the head pipe 21 toward the rear and downward of the vehicle obliquely and in a substantially circular arc that protrudes upward;...

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Abstract

The present invention addresses the problem of providing a technology with which it is possible to inhibit an increase in the size of a motorcycle that is provided with an exhaust gas sensor in the vicinity of a muffler. A motorcycle 10 that is provided with: a swing arm 16 that rotatably supports the real wheel; an exhaust gas pipe 41; a muffler 43 that is disposed on the outer side of the swing arm 16 and is connected to the exhaust gas pipe 41; a catalyst provided inside the exhaust gas pipe 41; and an exhaust gas sensor 67 capable of detecting exhaust gas components in the exhaust gas pipe 41, wherein the muffler 43 is provided with a diametrically-expanded portion 95, the diameter of which gradually expands, and the exhaust gas sensor 67 is fitted to the diametrically-expanded portion 95 and is disposed between the exhaust gas pipe 41 and the swing arm 16. A recess 121, to which the exhaust gas sensor 67 is fitted, is provided to the diametrically-expanded portion 95.

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] Exhaust devices for engines equipped with exhaust gas sensors capable of detecting exhaust gas components in exhaust gas are known (for example, refer to Patent Document 1 ( image 3 )). [0003] As in Patent Document 1 image 3 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 provided with an exhaust pipe (7) extending from the exhaust port of the engine and connected to the exhaust port. The muffler (8) connected to the downstream end (7a) of the gas 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 sens...

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
CPCB62M7/02F01N3/24F01N13/00F01N13/08F01N3/00F02D35/00Y02A50/20
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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