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Straddle vehicles and fuel filters

A straddle-type vehicle, fuel filter technology, used in liquid fuel feeders, charging systems, machines/engines, etc.

Active Publication Date: 2017-08-11
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, fuel passes through the mesh portion and water may remain in the fuel tank and gradually increase

Method used

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  • Straddle vehicles and fuel filters
  • Straddle vehicles and fuel filters
  • Straddle vehicles and fuel filters

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0035] figure 1 It is a figure which shows the fuel tank of the motorcycle of 1st Embodiment together with surrounding structure.

[0036] The fuel tank 11 is a tank for storing fuel (gasoline in this embodiment) supplied to the engine 12, which is an internal combustion engine of a motorcycle, and is formed in a box shape that is longer in front and rear than the vertical length, and is supported on The frame on which the engine 12 is suspended.

[0037] A fuel cock unit 21 is attached to the fuel tank 11 , and the fuel cock unit 21 is connected to a carburetor 13 constituting a part of an air intake system of the engine 12 via a fuel hose 22 . Thus, the fuel in the fuel tank 11 is supplied from the fuel cock unit 21 to the carburetor 13 via the fuel hose 22 .

[0038]More specifically, the fuel tank 11 has a tank bottom plate 11A disposed on the frame of a motorcycle, and a tank outer wall 11B covering the tank bottom plate 11A from above and forming a fuel space with the ...

no. 2 approach

[0090] Figure 6 It is a figure which shows the fuel cock unit 21 used for the motorcycle of 2nd Embodiment. In addition, the same code|symbol is attached|subjected to the same structure as said 1st Embodiment, and detailed description is abbreviate|omitted.

[0091] In the second embodiment, between the inner surface of the boss 15 protruding downward from the tank bottom plate 11A to mount the fuel cock unit and the pipe 31 passing through the boss 15, a fuel storage tank 11 is provided. The gap 51 of the fuel storage part of the fuel inside.

[0092] In addition, in order to make the height of the water remaining in the fuel tank 11 (water remaining height) TB within the range of the gap 51 that becomes the fuel storage portion, the lower end position of the closing portion 31X (= the upper end of the lower mesh portion 32B2 Position) TA is set lower than in the first embodiment.

[0093] According to this structure, when water accumulates to the lower end position TA of...

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PUM

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Abstract

The present invention provides a straddle type vehicle and a fuel filter capable of reducing water remaining in a fuel tank. The pipe part (31) of the fuel filter (24) has a closing part (31Y) that prevents fuel from flowing over the entire circumference at a position corresponding to the vicinity of the tank bottom plate (11A), and has a closing part (31Y) below the closing part (31Y). The lower mesh portion (32B2) filters fuel and flows the fuel into the pipe portion (31).

Description

technical field [0001] The present invention relates to a saddled vehicle having a fuel filter in a fuel tank and the fuel filter. Background technique [0002] In saddled vehicles such as motorcycles, there is known a structure in which a fuel filter is provided in a fuel tank storing fuel such as gasoline (for example, refer to Patent Document 1). [0003] This patent document 1 describes a structure in which a suction pipe communicating with the inside of the fuel tank is provided, and a mesh-shaped filter (hereinafter referred to as a mesh portion) is provided on the upper and lower sides of the suction pipe. On the other hand, the fuel that has entered the suction pipe is supplied to the fuel injection pump. [0004] prior art literature [0005] patent documents [0006] Patent Document 1: Japanese Patent Laid-Open No. 2008-138616 [0007] The problem to be solved by the invention [0008] However, due to the temperature difference between the inside and outside o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M37/00F02M37/24F02M37/34F02M37/50
CPCF02M37/50F02M37/34F02M37/24
Inventor 草光男高久岩
Owner HONDA MOTOR CO LTD
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