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Motorcycle

An automatic two-wheeled vehicle and vehicle body technology, which is applied to bicycle accessories, gasoline drums, climate guards, etc., can solve the problems of driver discomfort, difficulty in suppressing turbulence, and guidance, and achieves comfortable driving feeling and restraining driving wind turbulence. flow effect

Inactive Publication Date: 2008-03-26
YAMAHA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it is difficult to guide such traveling wind directed to the side of the fuel tank to the driver's side, there is a problem that it is difficult to guide a sufficient amount of traveling wind to the driver's side.
Therefore, in the aforementioned Japanese Patent Laid-Open No. 5-69872, since it is difficult to suppress the generation of turbulent flow, there is a problem of causing discomfort to the driver.

Method used

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Embodiment Construction

[0075] Hereinafter, embodiments for embodying the present invention will be described based on the drawings. In addition, the arrow FWD in the figure indicates the front in the traveling direction of the motorcycle 1.

[0076] As shown in FIG. 1, in a motorcycle 1 according to an embodiment of the present invention, the front end of the main frame 3 is connected to the head pipe 2. The main frame 3 is formed to extend rearward. In addition, the down pipe 4 is attached to the lower part of the head pipe 2 so as to extend diagonally downward. The rear arm bracket 5 is connected to the rear end of the main frame 3. The seat rail 6 is connected to the rear end of the main frame 3. And the rear tie rod 7 is connected between the rear arm bracket 5 and the seat rail 6, and the head tube 2, the main frame 3, the down tube 4, the rear arm bracket 5, the seat rail 6 and the rear rod 7 constitute the vehicle frame.

[0077] The steering shaft 8 is rotatably mounted on the head pipe 2, as sh...

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Abstract

This invention provides a motorcycle capable of leading sufficient traveling air to a driver side, this motorcycle (1) comprising a fuel tank (20) disposed above an engine (26) and having upper surface parts (20c), side surface parts (20d), and a front surface part (20e), and an air guide (50) disposed on the front side of the fuel tank and having first guide faces (52b) leading the traveling air to the engine side and second guide faces (52a) leading the traveling air to the driver side. The second guide faces (52a) of the air guide are formed to reach the upper surface parts (20c) of the fuel tank.

Description

Technical field [0001] The present invention relates to an automatic two-wheeled vehicle, and more specifically, the present invention relates to an automatic two-wheeled vehicle including an air guide. Background technique [0002] Conventionally, in motorcycles, it has been known that the air (traveling wind) from the front is concentrated and introduced into the engine during driving. For example, Japanese Patent Application Publication No. 60-94818 and Japanese Patent Application Publication No. 5-69872 both disclose this structure. [0003] The above-mentioned Japanese Patent Laid-Open No. 60-94818 discloses the following structure: a front opening for introducing cooling wind (traveling wind) and a rear opening for guiding the introduced cooling wind to the upper part of the engine The cooling wind guide box is installed in front of the fuel tank, and a wind guide plate for guiding the introduced cooling wind to the upper part of the engine is provided in the cooling wind g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62J17/06B62J35/00B62J39/00B62J17/02B62J99/00
CPCB62J17/02B62J35/00
Inventor 浅村欣司平一成梅本武志
Owner YAMAHA MOTOR CO LTD