Bicycle Suspension Automatic Pressure Equalization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bicycle suspension systems require manual intervention to equalize the pressure of sealed chambers with ambient pressure, leading to undesirable pressure-induced forces due to changes in altitude, atmospheric pressure, or temperature.
Innovation Solution
A bicycle suspension system with a bi-directional flow pathway between the sealed chamber and the ambient environment, automatically venting or pressurizing the chamber based on pressure differentials, eliminating the need for manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the suspension system uses a sealed chamber to prevent contaminant entry, then reliability is improved, but pressure differential forces increase due to altitude and temperature changes
Solution Approach 1:
A one-way valve is introduced as an intermediary component that allows air to escape from the sealed chamber when pressure exceeds a threshold, but prevents contaminants from entering. This mediator maintains the sealed environment while providing pressure relief, resolving the contradiction between contamination protection and pressure force reduction
2Force
If manual venting systems are used to equalize pressure, then pressure differential forces are reduced, but device complexity increases due to additional tools and user intervention requirements
Solution Approach 1:
The one-way valve enables the suspension system to self-regulate pressure automatically without requiring user intervention or external tools. When pressure differential becomes excessive, the valve automatically opens to vent air, then closes to maintain sealing. This self-service mechanism eliminates the need for manual venting operations and associated complexity
3Reliability
If the chamber is completely sealed to maintain lubricating oil, then reliability is improved, but ease of operation deteriorates due to inability to equalize pressure
Solution Approach 1:
The one-way valve acts as a selective intermediary that permits pressure equalization in one direction (outward venting) while blocking the reverse direction (contaminant ingress). This allows the system to automatically equalize pressure with the environment without compromising the sealed retention of lubricating oil, thereby maintaining both reliability and operational ease
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
The system automatically maintains pressure equilibrium between the sealed chamber and the ambient environment, reducing pressure-induced forces and providing a consistent ride regardless of environmental changes.
Implementation Method 1
when the pressure differential is greater than a first predetermined pressure differential
Implementation Method 2
when the pressure differential is less than a second predetermined pressure differential
Data Source
AI summary
A bicycle suspension system with automatic venting and/or pressurizing of a scaled chamber that minimizes the pressure differential between the sealed chamber and the ambient environment. Methods for making and using the bicycle suspension system are also provided.