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Fuel supply structure for small-type vehicle

A technology of fuel supply and fuel supply, which is applied in gasoline barrels, bicycle accessories, transportation and packaging, etc. It can solve problems such as unstable fuel supply, achieve the effects of improving maintainability, preventing movement, and increasing degrees of freedom

Inactive Publication Date: 2008-11-12
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the main pipe starts to be filled with fuel when the fuel tank is filled with fuel, since there is no structure for discharging the air inside the main pipe, the inside of the main pipe changes under the influence of the air present in the main pipe. Fuel supply cannot be performed smoothly

Method used

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  • Fuel supply structure for small-type vehicle
  • Fuel supply structure for small-type vehicle
  • Fuel supply structure for small-type vehicle

Examples

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Embodiment Construction

[0064] Figures 1 to 6 show a first embodiment according to the present invention, wherein Figure 1 is a left side view of a motor scooter, and Figure 2 is a left side view of a vehicle frame and a fuel tank, image 3 It is an enlarged view of the main part of Fig. 2, and Fig. 4 is along the image 3 The view obtained by the middle arrow 4, Figure 5 for a perspective view of part of the frame and fuel tank, and Figure 6 A vertical sectional view showing the front of the fuel tank and the lower part of the main pipe.

[0065] In FIGS. 1 to 4, the frame FA of a motor scooter which is a small vehicle includes a head pipe 13 for rotatably supporting a front fork 11 and a steering handle 12 connected to the upper end of the front fork 11, wherein the front fork 11 straddling the front wheel WF so as to rotatably support the front wheel WF at its lower end portion; a hollow main pipe 14 connected to the lower part of the main pipe 14 and extending rearward and downward; a pair of l...

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Abstract

In a small-type vehicle in which front parts of frame members (15) extending rearwards are connected to a hollow main pipe (14) extending rearwardly downwards from a head pipe (13) and forming a fuel passage (30) at least at a part thereof and a fuel tank (28) supplied with an oil from an oil supply pipe (31) through the fuel passage is connected to a lower part of the main pipe, to enhance the degree of freedom in designing the shape and layout of a fuel tank and to enhance maintainability. One end of a flexible lower connecting tube (34) is connected to the main pipe (14) so as to communicate with the fuel passage (30), and the other end of the lower connecting tube (34) is connected to the fuel tank (28).

Description

technical field [0001] The present invention relates to a small vehicle in which the frame includes a head pipe for rotatably supporting a steering handle and a front fork and a hollow main pipe extending rearwardly and downwardly from the head pipe and forming a fuel passage at least at a portion thereof , wherein a fuel supply pipe for supplying fuel into the fuel passage is connected to the main pipe, and a fuel tank supplied with fuel from the fuel supply pipe through the fuel passage is connected to a lower portion of the main pipe. In particular, the present invention relates to improvements in fuel supply structures. Background technique [0002] There is known a motor scooter in which the interior of a main pipe connecting a head pipe and a frame member to each other is used as a fuel passage for supplying fuel into a fuel tank, as disclosed in Japanese Patent Laid-Open No. Hei 6-15353, Hereinafter, it is referred to as Patent Document 1. [0003] Meanwhile, in the...

Claims

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Application Information

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IPC IPC(8): B62J35/00
Inventor 本田幸一郎森川雄一郎楢崎康生川目和则秋山秀树
Owner HONDA MOTOR CO LTD
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