Marine Fuel Transfer System with Bidirectional Flow Channels
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Solution Overview
Problem
Conventional fuel management systems in marine vessels allow only one-way fuel transfer between fuel tanks, limiting the flexibility and efficiency of fuel distribution among multiple tanks.
Innovation Solution
A fuel management system with a fuel pump and flow meter, featuring multiple fuel flow channels and a management tank, enables bidirectional fuel transfer among multiple tanks by controlling the flow channels and valves with a Boat Control Unit (BCU) for arbitrary fuel distribution, and includes calibration mechanisms for fuel senders using output value changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional one-way fuel transfer system is used, then fuel can be transferred from one tank to another, but fuel cannot be transferred back, limiting flexibility
Solution Approach 1:
The fuel transfer system is segmented into multiple independent flow channels, with each channel capable of directing fuel flow in specific directions. By dividing the overall fuel transfer function into separate controllable segments, the system achieves bidirectional transfer capability without requiring a completely complex reconfiguration of the entire fuel system.
Solution Approach 2:
The fuel pump and flow channels are designed to serve multiple functions: they can transfer fuel from any source tank to any destination tank, support bidirectional transfer, and enable calibration operations. This multi-functionality allows a single system configuration to handle various fuel management scenarios, improving versatility without proportionally increasing complexity.
2Adaptability or versatility
If multiple fuel flow channels are added to enable bidirectional transfer, then fuel transfer flexibility improves, but system complexity increases
Solution Approach 1:
Multiple flow channels are merged into a unified system architecture where the fuel pump serves as a central control point. By combining the flow channels at strategic points and using the pump to regulate flow direction, the system achieves bidirectional transfer capability while avoiding the complexity of completely independent channel configurations.
Solution Approach 2:
The fuel pump acts as an intermediary device that mediates fuel flow between multiple tanks. By positioning the pump as a central mediator that can draw fuel from any source tank and deliver it to any destination tank, the system achieves flexible bidirectional transfer without requiring direct connection channels between every pair of tanks, thus reducing overall complexity.
3Measurement precision
If fuel sender calibration is performed during transfer, then measurement accuracy improves, but transfer time increases
Solution Approach 1:
The system performs preliminary calibration actions during fuel transfer operations by continuously monitoring fuel levels and adjusting sender readings in real-time. By incorporating calibration as a preliminary or concurrent action rather than a separate post-transfer step, the system achieves accurate measurement without significantly extending the overall transfer duration.
Solution Approach 2:
The fuel transfer and calibration operations are performed continuously and simultaneously. The system maintains continuous fuel flow while concurrently performing calibration measurements and adjustments, ensuring that the calibration process does not interrupt or extend the transfer operation, thus maintaining both accuracy and efficiency.
Data Source
AI summary
A fuel management system including a fuel pump and a flow meter to transfer and control remaining amounts fuel among fuel tanks mounted on a hull of a marine vessel includes first fuel flow channels corresponding to the fuel tanks to connect the fuel tanks to an upstream side of the fuel pump and the flow meter, and second fuel flow channels corresponding to the fuel tanks to connect the fuel tanks to a downstream side of the fuel pump and the flow meter.