Vacuum Tunnel Transport with Pressurized End Sections
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Solution Overview
Problem
Existing transport systems face challenges in achieving high speeds due to air resistance, and existing vacuum transport systems require complex interfaces that can lead to reliability issues and are not suitable for goods transport.
Innovation Solution
A transport system with a vacuum tunnel section and atmospheric connecting sections, using magnetic levitation trains and chambers that transition between vacuum and atmospheric conditions, eliminating the need for additional equipment at endpoints and ensuring rapid passenger and goods transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If air resistance is reduced to achieve high speeds, then speed increases, but energy expenditure rises dramatically
Solution Approach 1:
The patent applies vacuum environment (inert atmosphere principle) to eliminate air resistance. By creating a vacuum tunnel, the system removes the harmful atmospheric environment that causes quadratic air resistance, enabling high speeds without prohibitively high energy expenditure. The vacuum section allows the vehicle to travel at very high speeds while the connecting sections at atmospheric pressure enable simple interfaces.
2Speed
If vacuum environment is used to reduce air resistance, then speed increases, but interface complexity increases
Solution Approach 1:
The track is segmented into three distinct sections: a central vacuum tunnel section for high-speed travel, and two atmospheric connecting sections at each end for simple interfaces. This segmentation allows the system to enjoy the benefits of vacuum (high speed) while isolating the complexity of vacuum interfaces to minimal locations, enabling rapid boarding and alighting at atmospheric pressure endpoints.
Solution Approach 2:
The harmful element (vacuum interface complexity) is extracted and isolated to specific locations, while the beneficial effect (reduced air resistance) is applied to the main travel section. The atmospheric connecting sections extract the vehicle from the vacuum environment only when needed for boarding/alighting, minimizing the impact of interface complexity on the overall system.
3Speed
If vacuum tunnel covers entire track, then high speeds are maintained, but boarding and alighting becomes complex
Solution Approach 1:
The track is divided into vacuum and atmospheric sections, with atmospheric connecting sections positioned at endpoints where boarding and alighting occur. This segmentation ensures that the vehicle operates in vacuum for high-speed travel but transitions to atmospheric pressure at endpoints, enabling simple, rapid passenger exchange without complex vacuum interfaces.
Solution Approach 2:
The vehicle is brought to atmospheric pressure in advance of boarding and alighting operations by traveling through atmospheric connecting sections. This preliminary action of pressure equalization occurs before passengers need to board or alight, eliminating the need for complex vacuum interfaces at the endpoints and enabling rapid, simple operations.
4Ease of operation
If atmospheric pressure is used at endpoints, then boarding and alighting is simplified, but vacuum environment must be interrupted
Solution Approach 1:
The track is segmented into atmospheric and vacuum sections, with atmospheric connecting sections placed at endpoints where boarding and alighting occur. The vacuum tunnel section maintains continuous vacuum for high-speed travel between endpoints. This segmentation allows the system to alternate between atmospheric pressure (for operations) and vacuum (for high-speed travel) without compromising either function.
Solution Approach 2:
The pressure environment is made dynamic rather than static. The vehicle travels through atmospheric sections when at endpoints for boarding/alighting, then transitions to vacuum section for high-speed travel. This dynamic switching of pressure environments optimizes both operational simplicity and speed performance at different locations along the track.
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
Enables high-speed travel with minimal air resistance, reliable operation, and efficient boarding/alighting without additional equipment, while maintaining compatibility with existing train stations.
Implementation Method 1
at least one section of the track is formed by a vacuum tunnel
Implementation Method 2
Due to the vacuum environment, air resistance is reduced to virtually zero
Implementation Method 3
The transport system comprises a magnetic levitation train
Data Source
Figure 1~3
Figure 4~5
AI summary
The invention relates to a system for transporting people or goods in a carriage on a guided path. The path has at least three sections, at least one section being formed by a vacuum tunnel and two sections each forming a connecting path to an end point of the path. According to the invention, the connecting routes and the respective end points of the route are pressurized.