ATV Fuel Tank Inlet Relocation for Refueling Access

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Solution Overview

Problem

Conventional all-terrain vehicle fuel tank designs, with fuel inlets positioned below, behind, or to the left or right of the seat, compromise convenience and comfort by requiring seat removal or extension, leading to an unstable center of gravity and hindered refueling operations.

Innovation Solution

A fuel tank with the fuel inlet positioned in front of the seat, integrated with an air cleaner positioned ahead, and supported by vehicle body frames, allowing for convenient refueling without seat removal and maintaining a centered gravity, enhancing ride comfort and capacity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the fuel inlet is positioned below the seat, then the fuel tank can be compact, but the rider must remove or open the seat for refueling which reduces convenience

Engineering Contradiction:
Improverefueling convenienceVSAvoidseat operation complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The fuel inlet is extracted from the conventional position below the seat and relocated to the front of the seat, allowing refueling access without requiring seat removal or opening operations. This extraction of the fuel inlet from its traditional location resolves the contradiction by maintaining compact fuel tank design while eliminating the need for complex seat operations during refueling.

Inventive Principle:
Principle #2Taking out (Extraction)

2Ease of operation

If the fuel inlet is positioned behind or to the left or right of the seat, then refueling access is improved, but the fuel tank must be extended which displaces the center of gravity and reduces ride comfort

Engineering Contradiction:
Improverefueling accessVSAvoidcenter of gravity stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The fuel inlet is repositioned along the front surface of the fuel tank in the longitudinal dimension of the vehicle, specifically at the front of the seat rather than behind or to the sides. This dimensional repositioning allows refueling access while keeping the fuel tank compact and the center of gravity stable, resolving the contradiction between refueling accessibility and vehicle stability.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS7661714B2All terrain vehicle
Publication Date: 2010.02.16 YAMAHA MOTOR CO LTD
  • US7661714B2 patent drawing
  • US7661714B2 patent drawing
  • US7661714B2 patent drawing

AI summary

A vehicle, such as an all terrain vehicle, includes a saddle type seat for the rider to sit on, and a fuel tank arranged below the seat. The fuel tank includes a fuel inlet positioned in front of the seat, in a traveling direction of the vehicle. The all terrain vehicle provides a comfortable ride to a rider by providing the fuel tank in the center of the vehicle, while mounting a fuel tank that is convenient to access.