Straddle Seat Electrical Component Vibration Isolation

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Solution Overview

Problem

Straddle-type motorcycle seats with built-in electrical components face challenges in isolating vibrations and protecting against external dust and water without increasing seat size, and existing air spring solutions compromise comfort and size.

Innovation Solution

A straddle-type seat design featuring a recessed portion in the seat bottom plate to accommodate electrical components, fixed via cushioning members, with an attachment bracket and cover member to absorb vibrations and prevent external intrusion, maintaining seat size and comfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If air spring is adopted as vibration isolation measure for electrical component, then vibration isolation effect is improved, but seat size is increased and seating comfort is decreased

Engineering Contradiction:

Improvevibration isolation effectVSAvoidseat size

Core Design Contradiction:

ReliabilityVSVolume of moving object

Solution Approach 1:

The electrical component is nested within the recessed portion of the seat bottom plate, and the cushioning member is nested between the electrical component and the recessed portion. This nested arrangement allows vibration isolation without increasing overall seat size, as components are arranged in three-dimensional space rather than adding lateral volume.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The solution transitions from using an air spring (three-dimensional volumetric isolation) to using a cushioning member positioned in the vertical dimension within the recessed portion. By utilizing the vertical space created by the recessed portion, the patent achieves vibration isolation without increasing seat width, length, or overall volume.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Reliability

If air spring is adopted as vibration isolation measure for electrical component, then vibration isolation effect is improved, but seating comfort is decreased

Engineering Contradiction:

Improvevibration isolation effectVSAvoidseating comfort

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The cushioning member is nested within the recessed portion, creating a compact vibration isolation system that does not protrude into the seating area. This nesting approach maintains the seating surface geometry and comfort characteristics while providing effective vibration isolation for the electrical component below.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The cushioning properties are localized to the recessed portion where the electrical component is housed, rather than affecting the entire seat cushion. This localized approach allows the main seating area to maintain its original comfort characteristics while providing vibration isolation only where needed for the electrical component.

Inventive Principle:

Principle #3Local quality

3Adaptability or versatility

If electrical component with built-in electronic circuit is installed in straddle-type seat, then functionality is improved, but protection against vibrations and external environment becomes necessary

Engineering Contradiction:

ImprovefunctionalityVSAvoidvibrations and external environment

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The electrical component is nested within the recessed portion of the seat bottom plate, creating a protected cavity that shields the component from external environmental factors such as dust and water. The cushioning member further nested within this recessed portion provides additional protection against vibrations, creating multiple layers of protection without adding external complexity.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The cushioning member is positioned in advance between the electrical component and the recessed portion to prevent vibration damage before it occurs. This pre-positioned cushioning approach protects the electrical component from vibrations and external environment, ensuring reliable operation of the added functionality.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Effectively suppresses vibrations and external environmental influences on electrical components while maintaining seat comfort and size, with enhanced protection from dust and water intrusion.

Implementation Method 1

a cushioning member to be disposed between the bottom surface and the base portion

Methodology Applied

Scientific EffectVibration absorption: Damping

Implementation Method 2

a second cushioning member to be disposed between the rear wall and the erect portion

Methodology Applied

Scientific EffectVibration absorption: Damping

Data Source

PatentUS11981383B2Straddle-type seat

Publication Date: 2024.05.14 TS TECH CO LTD

AI summary

Provided is a straddle-type seat in which an influence of vibrations or an external environment on an electrical component is suppressed without increasing the size of the seat. A straddle-type seat on which a seated occupant is to be seated in a straddling state includes a seat bottom plate including an accommodating recessed portion that is recessed downward, and electrical components and accommodated in the accommodating recessed portion. The electrical components and are fixed in the accommodating recessed portion via cushioning members.