Rail Vehicle Fuel Tank Cab Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing rail vehicle systems face a revenue loss when a freight car is removed to accommodate a tender car for carrying alternative fuels like LNG or CNG, as the revenue loss exceeds the fuel cost savings from using these fuels instead of diesel.
Innovation Solution
A rail vehicle design where a fuel tank is positioned in place of the operator cab, allowing the vehicle to store and supply alternative fuels like CNG or LNG, enabling it to operate as a tender car without replacing a freight car, thus maintaining the freight and revenue-generating capacity of the consist.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a freight car is removed to accommodate a tender car for carrying alternative fuels, then the alternative fuel storage capacity is improved, but the revenue-generating capacity deteriorates
Solution Approach 1:
The rail vehicle is designed to perform multiple functions: it serves as both a freight carrier and an alternative fuel tender car. The fuel tank is integrated into the existing vehicle structure, allowing the same vehicle to carry both freight and alternative fuels, thereby eliminating the need to remove freight cars while still providing fuel storage capacity.
Solution Approach 2:
The fuel tank is positioned within the existing vehicle footprint, specifically in place of the operator cab, effectively nesting the fuel storage function within the existing vehicle structure. This allows the vehicle to carry alternative fuels without requiring additional separate tender cars.
2Quantity of substance
If a tender car is added to carry alternative fuels, then the alternative fuel storage capacity is improved, but the device complexity increases
Solution Approach 1:
The rail vehicle is designed to perform multiple functions: it serves as both a freight carrier and an alternative fuel tender car. The fuel tank is integrated into the existing vehicle structure, allowing the same vehicle to carry both freight and alternative fuels, thereby eliminating the need to remove freight cars while still providing fuel storage capacity.
Solution Approach 2:
The fuel storage function is merged with the existing rail vehicle structure rather than being separate. The fuel tank replaces the operator cab space, combining the freight carrier and fuel tender functions into a single integrated vehicle unit.
3Quantity of substance
If the fuel tank is positioned in place of the operator cab, then the alternative fuel storage capacity is improved, but the ease of operation deteriorates
Solution Approach 1:
A remote control system acts as an intermediary between the operator and the fuel tank. The operator can control fuel tank operations (opening/closing valves) remotely from a distance, eliminating the need for direct physical access to the fuel tank while maintaining operational control.
Solution Approach 2:
The fuel tank system is designed to be self-servicing through automated controls. The remote control mechanism allows the system to operate autonomously with minimal human intervention, with the operator able to control fuel operations from a remote location rather than requiring direct access.
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
This design allows for the use of alternative fuels without reducing storage capacity for diesel, enabling the rail vehicle to operate as a tender car within an existing consist, thereby avoiding the need to remove a revenue-generating freight car, and facilitating efficient fuel supply to both the vehicle and adjacent engines.
Implementation Method 1
a first engine positioned in a central location of the rail vehicle, where the first engine is configured to combust at least one of a first fuel or a second fuel
Data Source
AI summary
Various methods and systems are provided for a rail vehicle. In one example, a rail vehicle includes a first engine positioned in a central location of the rail vehicle, the first engine configured to combust at least one of a first fuel or a second fuel. The rail vehicle further includes a fuel tank positioned in place of an operator cab, the fuel tank configured to store the second fuel.