Real-Time Fuel Additive Blending via Mechanical Drive
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Solution Overview
Problem
Conventional fuel additive blending systems deliver a fixed quantity of additives, which stops once the predetermined amount is dispensed, failing to maintain a consistent fuel-to-additive ratio as the fuel flow rate varies, leading to inconsistent fuel quality.
Innovation Solution
A continuous blending system that adjusts the fuel additive flow based on the real-time volumetric flow rate of fuel, ensuring a consistent fuel-to-additive ratio by harnessing energy from the fuel flow to regulate the additive introduction, using a combination of flow meters, pumps, and mechanical drive shafts to maintain the desired ratio.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed quantity of fuel additive is delivered at the fuel dispenser, then the blending process is simple to operate, but the fuel-to-additive ratio becomes inconsistent when fuel flow rate varies
Solution Approach 1:
The system transitions from a static fixed-quantity additive delivery mechanism to a dynamic system where the additive flow rate automatically adjusts based on real-time fuel flow rate measurements. The additive conveyance device modifies its operation in response to changing fuel flow conditions, maintaining consistent blending ratios throughout the dispensing process regardless of flow rate variations.
Solution Approach 2:
The system implements a feedback mechanism where the fuel flow rate measurement continuously informs the additive conveyance device operation. The measured fuel flow rate serves as input that automatically regulates the additive delivery rate, creating a closed-loop control system that maintains precise fuel-to-additive ratios without requiring manual intervention or complex operator judgment.
2Manufacturing precision
If the additive conveyance device is operated based on real-time fuel volumetric flow rate, then the fuel-to-additive ratio consistency is improved, but the device complexity increases
Solution Approach 1:
The system introduces a flow meter as an intermediary measurement device that bridges the fuel dispensing system and the additive conveyance device. This intermediary component accurately measures fuel volumetric flow rate and translates it into control signals for the additive pump, enabling precise ratio control while maintaining operational simplicity through automated measurement and response.
Solution Approach 2:
The system replaces manual or mechanical fixed-ratio blending mechanisms with an automated control system that uses electronic or digital flow measurement and regulation. The additive conveyance device responds to electronic signals based on measured fuel flow parameters, substituting complex mechanical linkage systems with more compact, controllable electronic-regulated pumping mechanisms.
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 a consistent fuel-to-additive ratio is maintained across varying fuel flow rates, providing a stable and accurate blend of fuel additives throughout the dispensing process without the need for additional power sources, enhancing fuel quality and user convenience.
Implementation Method 1
a drive shaft extending between the fuel conveyance device and the additive conveyance device such that rotating the drive shaft causes operation of the additive conveyance device
Data Source
AI summary
A fuel dispensing system includes that receives fuel from a fuel storage tank, and a blending system in fluid communication with the fuel dispensing unit. The blending system including a fuel conveyance device that receives the fuel from the fuel dispensing unit, and an additive conveyance device that pumps a fuel additive to be blended with the fuel based on a volumetric flow rate of the fuel, whereby the blending system provides a product mixture having a known fuel-to-fuel additive ratio. A hose and a nozzle are fluid communication with the blending system to dispense the product mixture.