Device for supplying secondary air to exhausting system of small size motor bicycle

A technology for motor two-wheeled vehicles and exhaust systems, which is applied to exhaust devices, motor vehicles, mufflers, etc., can solve the problems of filter shape and capacity setting constraints, achieve compact structure, improve muffling effect, easy effect

Inactive Publication Date: 2006-02-01
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when performing maintenance work on secondary air supply devices such as air filters and check valves for the exhaust system, it is necessary to attach and detach the body cover.
[0005] Also, when the air filter for the exhaust system is installed on the body frame or the storage box, it is often arranged in the empty space between the body frame, the storage box and the body cover, etc., in this case , the shape and capacity of the filter used in the exhaust system are restricted

Method used

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  • Device for supplying secondary air to exhausting system of small size motor bicycle
  • Device for supplying secondary air to exhausting system of small size motor bicycle
  • Device for supplying secondary air to exhausting system of small size motor bicycle

Examples

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Embodiment Construction

[0048] Let's first explain Figure 1 to Figure 4 One embodiment (first embodiment) of the invention described in this application is shown.

[0049] In these figures, 1 is a scooter-type motor two-wheeled vehicle suitable for use with the device for supplying secondary air to the exhaust system according to the present embodiment 1 shown in a left side view, and 2 is a seat, which is in front of it. Separated by a low chassis part 3, a steering head 4 is upright. The handle rotating shaft 6 that is rotated by the handle 5 is supported on the head pipe 7, and at its lower end, a front wheel 9 is suspended by a front fork 8 . The lower frame 10 extends downward from the head pipe 7 , extends rearward from the chassis portion 3 after the lower portion bifurcates left and right, and is then connected to the rear frame 11 . The rear frame 11 extends obliquely upward to the rear and reaches the lower rear end of the seat 2 .

[0050] The front part of the vehicle body formed by t...

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PUM

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Abstract

A device for supplying secondary air to exhausting system of small size motor bicycle can maintain the exhaust system without detaching a body cover. The design of the air cleaner is not restrained and the muffle effect is improved, the length of the secondary air supplying pipe is shorted. In the device for supplying secondary air to exhausting system of small size motor bicycle by using a secondary air supplying pipe 37, an exhausting system air cleaner 35 is disposed on a silencer 28, and a reed valve 36 is also disposed on the silencer 28. The front end part of the secondary air supplying pipe is connected to the air cleaner of the exhausting system and is mounted the reed valve inside.

Description

[0001] This application is a divisional application of the application No. 98105534.6 submitted by Honda Technical Research Industry Co., Ltd. on March 12, 1998, and the title of the invention is "A device for supplying secondary air to the exhaust system of a small motorized two-wheeled vehicle". technical field [0002] The present invention relates to a device for purifying exhaust gas by supplying secondary air to an exhaust system of an internal combustion engine in a small two-wheeled motor vehicle such as a scooter. Background technique [0003] As a device for supplying secondary air to the exhaust system of small motorcycles and other small two-wheeled vehicles in the past, an air cleaner (for exhaust system) for cleaning the air supplied to the exhaust system is attached to the body frame air filter), a check valve (reed valve) is installed in the internal combustion engine of this machine (JP-P 5-139364, JP-5-131969, JP-5-332132), below the cylinder Install the ai...

Claims

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Application Information

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IPC IPC(8): F01N3/34B62M7/02B62J99/00F01N3/28F02B61/02F02B75/16F02M35/04
CPCF01N3/34F01N2590/04F02B75/16F01N3/2885F02B61/02F02M35/04Y02T10/20Y02T10/12Y02A50/20F01N3/0814F01N13/08F01N13/1811F01N2230/04
Inventor 横山雅史铃木健辅藤井隆彰横谷登
Owner HONDA MOTOR CO LTD
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