Refrigerated Trailer Fuel Refilling System Backflow Prevention
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Solution Overview
Problem
Current fuel refilling systems for refrigerated trailers lack efficient mechanisms to prevent backflow of fuel during transfer from an externally provided source to the trailer's fuel reservoir, leading to potential losses and inefficiencies.
Innovation Solution
A fluid transfer system with a series connection of intake fitting, check valves, and fluidic connections that prevent backflow by allowing fuel to flow from the external source to the reservoir while blocking reverse flow, utilizing a compression pump-powered refrigeration system in a refrigerated trailer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If fuel is transferred from an external source to the trailer's fuel reservoir without backflow prevention, then the refilling process is simple, but fuel loss occurs due to backflow
Solution Approach 1:
A check valve is introduced as an intermediary component in the fuel transfer line between the external source and the fuel reservoir. This check valve allows fuel to flow in the forward direction during refilling but automatically closes to prevent backflow when the external source is disconnected or pressure reverses, thereby eliminating fuel loss without requiring complex active control systems.
2Loss of substance
If a backflow prevention mechanism is added to the fuel refilling system, then fuel loss is prevented, but the system complexity increases
Solution Approach 1:
The check valve is designed to operate autonomously based on pressure differential alone, without requiring external power, control signals, or manual intervention. The valve automatically opens during refilling when forward pressure is applied and automatically closes when pressure reverses or equalizes, providing self-service backflow prevention that adds minimal complexity to the system.
3Productivity
If fuel transfer is performed under pressure from an external source, then refilling efficiency is improved, but backflow risk increases
Solution Approach 1:
The check valve acts as a reliable intermediary that maintains the benefits of pressure-driven refilling while guaranteeing backflow prevention. The valve's mechanical design ensures it opens fully under forward pressure to allow efficient refilling, then seals reliably when pressure reverses, providing deterministic backflow prevention that enhances system reliability without compromising refilling productivity.
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
Ensures efficient and loss-free fuel transfer to the refrigeration system's fuel reservoir, maintaining pressure and preventing backflow, thus optimizing fuel storage and usage in refrigerated trailers.
Implementation Method 1
A fluid transfer system with a series connection of intake fitting, check valves, and fluidic connections that prevent backflow by allowing fuel to flow from the external source to the reservoir while blocking reverse flow
Implementation Method 2
utilizing a compression pump-powered refrigeration system in a refrigerated trailer
Data Source
AI summary
The fuel refilling system for a refrigerated trailer is a fluid transfer system. The fuel refilling system for a refrigerated trailer is configured for use with a tractor. The tractor further has a refrigeration system. The refrigeration system further incorporates a compression pump. The fuel refilling system for a refrigerated trailer receives fuel under pressure from an externally provided source and transports the received fuel to a fuel reservoir. The fuel refilling system for a refrigerated trailer is formed by the trailer and a fuel supply system. The fuel supply system receives the fuel received under pressure from an externally provided source. The fuel supply system releases the fuel received under pressure from an externally provided source into the compression pump.