Fender with Segmented Pressure Chambers for Train Levitation
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Solution Overview
Problem
Existing fender systems for hovercrafts and trains face challenges in providing sufficient load-bearing capacity and require large support surfaces and substantial fluid or air supply, which can be inefficient and impractical.
Innovation Solution
A fender system with a flexible rim and multiple pressure chambers, where air is used as the fluid to increase pressure, allowing for a significant increase in load-bearing capacity, and a contactless drive mechanism using permanent magnets and conductive tracks for efficient propulsion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If large support surfaces are provided to increase load-bearing capacity, then the fender can support heavier loads, but the device complexity and space requirements increase
Solution Approach 1:
The fender is divided into multiple segments with individual pressure chambers instead of a single large support surface. Each segment can be independently pressurized, allowing the system to achieve high load-bearing capacity through distributed pressure points rather than requiring a large continuous support area.
Solution Approach 2:
The invention uses pneumatic pressure chambers to generate supporting force. By introducing fluid pressure into multiple chambers along the fender segments, the system creates distributed lifting forces that collectively support heavy loads without requiring a large overall footprint.
2Force
If substantial fluid or air supply is provided to increase pressure, then the load-bearing capacity increases, but the air consumption and energy requirements increase
Solution Approach 1:
The air supply system is segmented into multiple independent pressure chambers. This allows for localized pressurization where needed, reducing the total volume of air required compared to pressurizing a single large chamber. Each segment can be pressurized independently to the required level.
Solution Approach 2:
Different segments of the fender can be pressurized to different levels based on local load requirements. This localized quality approach ensures that air is consumed only where necessary to support the actual load distribution, minimizing overall air consumption while maintaining required pressure where needed.
3Force
If rigid rims are used to provide structural strength, then the load-bearing capacity increases, but the friction with the track increases and air consumption increases
Solution Approach 1:
The fender segments are designed to be movable relative to each other, allowing the structure to dynamically adapt to track irregularities and load changes. This dynamic configuration reduces friction by allowing the segments to self-adjust rather than maintaining rigid contact, while still providing necessary structural strength through the pressure chamber system.
Solution Approach 2:
The fender incorporates flexible elements that can deform and adapt to the track surface, reducing frictional contact. The flexible structure maintains structural integrity through the pressurized chambers while allowing smooth interaction with the track, eliminating the need for rigid rims that would generate high friction.
4Force
If multiple pressure chambers are provided to increase load-bearing capacity, then the supporting force increases, but the device complexity increases
Solution Approach 1:
The multiple pressure chambers are organized into modular segments that can be independently controlled. This segmentation allows for simplified control of each chamber while achieving cumulative supporting force from all chambers. The modular approach manages complexity by creating repeatable units rather than a monolithic complex system.
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 achieves a substantial increase in load-bearing capacity while reducing air consumption and friction, allowing for effective support and propulsion with a rougher track surface, and can be adapted for various applications including trains and boats.
Implementation Method 1
A fender system with a flexible rim and multiple pressure chambers, where air is used as the fluid to increase pressure, allowing for a significant increase in load-bearing capacity
Implementation Method 2
a contactless drive mechanism using permanent magnets and conductive tracks for efficient propulsion
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The present invention relates to a fender, bogie, train, track and methods. The fender according to the invention comprises: - a support surface provided on the underside during use; - an inner pressure chamber provided in or on the support surface; - a feed arranged in the pressure chamber for feeding a fluid; - a first rim present round the inner pressure chamber, wherein at least a part of the rim is flexible; and - a second rim arranged round the first rim such that a pressure chamber is created between two adjacent rims.