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Exhaust purifying apparatus of saddle-ride type vehicle

A technology for exhaust purification devices and straddle vehicles, which is applied in the direction of exhaust devices, power devices, and noise reduction devices. Assemblability improvement effect

Active Publication Date: 2012-09-05
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Therefore, due to the arrangement of the piping, etc., the height of the passenger seat cushion is increased, which increases the size of the vehicle. In addition, if the above is suppressed, the position of the main frame will be lowered, and there will be a problem of restricting the vertical swing amount of the power unit.

Method used

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  • Exhaust purifying apparatus of saddle-ride type vehicle
  • Exhaust purifying apparatus of saddle-ride type vehicle
  • Exhaust purifying apparatus of saddle-ride type vehicle

Examples

Experimental program
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Embodiment Construction

[0074] Below, refer to Figure 1 to Figure 5 An exhaust purification device for a saddled vehicle such as a motorcycle or a beach buggy according to an embodiment of the present invention will be described.

[0075] It should be noted that directions such as front, rear, left, right, up and down in the description of the present specification and the claims refer to directions of the vehicle in which the exhaust purification device according to the present embodiment is mounted on a saddled vehicle. In the drawings, arrow FR indicates the front of the vehicle, LH indicates the left side of the vehicle, RH indicates the right side of the vehicle, and UP indicates the upper side of the vehicle.

[0076] In addition, in the figure, the marked black arrows schematically represent the flow of secondary air sucked from the outside air, and the hollow small arrows schematically represent the suction direction of the negative pressure from the suction pipe introduced by the negative p...

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Abstract

An exhaust purifying apparatus achieving placement of components so as to prevent an increase in the size of the vehicle caused by the placement of the exhaust purifying apparatus while maintaining the performance of the exhaust purifying apparatus by secondary air in a saddle-ride type vehicle. An exhaust purifying apparatus of a saddle-ride vehicle includes a secondary air supply pipe of which one end is connected an exhaust passage of an internal combustion engine. A secondary air control valve is connected with the other end of the secondary air supply pipe for controlling the supply of secondary air to the secondary air supply pipe. An outdoor air introduction passage is connected to the secondary air control valve, wherein an air filter for secondary air and a resonant passage are installed in the middle of the outdoor air introduction passage.

Description

technical field [0001] The present invention relates to an exhaust purification device in a straddled vehicle such as a motorcycle or a beach buggy, and more particularly relates to supplying secondary air to an exhaust system of an internal combustion engine so as to purify unburned components in the exhaust gas. Exhaust purification device for purification. Background technique [0002] In order to deal with exhaust gas restrictions, in straddle-type vehicles such as motorcycles and beach buggies, a device that supplies secondary air to the exhaust system of an internal combustion engine to recombust unburned components in the exhaust gas is described, for example, in the following patents: Document 1 is published. [0003] The device shown in Patent Document 1 is configured in a motorcycle equipped with a power unit such that the other end side of the secondary air supply pipe connected to the exhaust system (inside the exhaust port) of the internal combustion engine is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/34B60K13/04
CPCB60K13/04B60Y2200/126F01N3/303F01N2340/04F01N2590/04Y02A50/20Y02T10/12
Inventor 清水孝彦三川诚木村国治辰巳贵俊
Owner HONDA MOTOR CO LTD
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