Bicycle Fork Air Spring Control System for Suspension Tuning
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Solution Overview
Problem
Many bicycle riders fail to utilize the full potential of their air-sprung fork suspension due to incorrect tuning, leading to an uncomfortable riding experience on uneven surfaces.
Innovation Solution
A bicycle fork with an integrated air spring device and control system, featuring an air pressure sensor connected to a control device that evaluates air pressure and provides feedback for adjustments, ensuring optimal suspension settings for the rider's weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an air-sprung fork is equipped with monitoring and control capabilities, then the suspension performance can be optimized, but the device complexity increases
Solution Approach 1:
The patent combines the air pressure sensor, control device, and communication interface into an integrated control system that is arranged within the cavity of the fork leg. This merging of multiple functional components into a single integrated system optimizes suspension performance through monitoring and control while minimizing the increase in device complexity through spatial consolidation.
Solution Approach 2:
The control system is nested within the existing cavity structure of the fork leg, with the air pressure sensor, control device, and communication interface arranged in a hierarchical manner within the limited space. This nesting approach allows the monitoring and control functions to be incorporated without significantly increasing the overall device complexity.
2Ease of operation
If the control system is integrated within the fork cavity, then the adjustment ease is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The control system, including the air pressure sensor and control device, is pre-integrated within the cavity during the fork manufacturing process. This preliminary integration ensures that the adjustment ease is improved from the outset, while the manufacturing precision requirements are addressed through careful design and assembly planning during the production phase.
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 allows for precise adjustment of air pressure, optimizing the suspension's performance and providing a more comfortable riding experience by ensuring the suspension's potential is fully utilized.
Implementation Method 1
The air pressure sensor is designed to detect the air pressure within the cavity and thus within the compressed air chamber
Implementation Method 2
When the fork compresses, the air in the positive chamber is compressed by the piston, while in the negative chamber the air is expanded by the piston
Implementation Method 3
The compressed air chamber of the air spring system is the part of the air spring system that performs the majority of the spring work
Data Source
Figure 1~2
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AI summary
A bicycle fork (2) has an air spring assembly (3), the air spring assembly (3) comprising a pressurized air chamber (4), a cavity (5), and an air channel (6). The air channel (6) connects the pressurized air chamber (4) to the cavity (5) in a fluid manner. The fork (2) has a control system (7), the control system (7) comprising a control unit (8) and an air pressure sensor (9). The air pressure sensor (9) is connected to the control unit (8) in a signal-effective manner. The control system (7) is arranged within the cavity (5).