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Air inlet device of engine for motorcycle and motor tricycle

A technology for a motor tricycle and an air intake device, which is applied in the directions of machines/engines, motorcycles, motor vehicles, etc., can solve problems such as hindering and reducing air intake resistance.

Inactive Publication Date: 2002-02-13
HONDA MOTOR CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the motorcycle disclosed in the above publication, since the air intake system from the air cleaner above the engine main body to the air intake of the engine main body is horizontal as the carburetor installed in the middle, it has Crank-shaped structure, which is one of the reasons that hinder the reduction of intake resistance

Method used

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  • Air inlet device of engine for motorcycle and motor tricycle
  • Air inlet device of engine for motorcycle and motor tricycle
  • Air inlet device of engine for motorcycle and motor tricycle

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Embodiment Construction

[0024] The implementation form of the present invention will be described below according to an embodiment shown in the accompanying drawings.

[0025] Figure 1 is a side view of the motorcycle, figure 2 It is an enlarged view along line 2-2 in Figure 1, and Figure 3 is an enlarged view along line 2-2 in Figure 1. figure 2 sectional view of the 3-3 line, Figure 4 It is an enlarged sectional view along line 4-4 of Fig. 3, Figure 5 It is a cross-sectional view along line 5-5 in FIG. 3 . Figure 6 is along the Figure 5 The sectional view of line 6-6, Figure 7 is along the figure 2 The 7-7 line to the view, Figure 8 A perspective view of the front cover.

[0026] First, in FIG. 1 , a front fork 17 pivotally supporting a front wheel WF is pivotally supported on a head tube 16 provided at the front end of a body frame 15 of the motorcycle so as to be freely steerable. A steering handle 18 is connected to a steering rod erected vertically at the upper end of the front fork ...

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Abstract

To improve engine output and low fuel consumption by effectively reducing intake air resistance of an air intake system in an engine of a motorcycle and a motor-tricycle. In these motorcycle and motor-tricycle for mounting the engine E on a car body frame 15 by setting the axis of a cylinder bore 35a of an engine body 33 almost horizontal, a throttle body 46 is interposed in the middle of the air intake system 47 reaching an inlet port 38 of a cylinder head 36 from an air cleaner 23 arranged above the cylinder head 36, and the air intake system 47 is constituted so as to descend downstream at a steep gradient.

Description

technical field [0001] The present invention relates to an engine air intake device in motorcycles and motor tricycles (motorcycles and tricycles) in which the engine is assembled on a body frame so that the axis of the cylinder barrel of the engine main body is substantially horizontal. Background technique [0002] As a motorcycle in which the axis of the cylinder bore of the engine main body is substantially horizontal and the engine is mounted on the body frame, there is known, for example, the motorcycle disclosed in Japanese Patent Publication No. 62-39993. [0003] In the motorcycle disclosed in the above publication, since the air intake system from the air cleaner above the engine main body to the air intake of the engine main body is horizontal as the carburetor installed in the middle, it has The crank-shaped structure is one of the reasons that hinder the reduction of intake resistance. Contents of the invention [0004] In view of this situation, the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K13/02B62J99/00B62M7/02F02M35/16
Inventor 高田康弘佐藤彰一郎
Owner HONDA MOTOR CO LTD
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