Gas Mixture Bottle Filling With Real-Time Composition Feedback
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Solution Overview
Problem
Existing gas calibration bottle filling methods are inefficient, leading to significant variations in gas mixture concentrations and uncertainties, requiring manual adjustments and lengthy calibration procedures, which limits productivity and compliance with international standards like ISO 17025 and ISO 17034.
Innovation Solution
A dynamic filling method that uses mass flow controllers, real-time analysis, and feedback loops to produce identical batches of gas mixture bottles with high accuracy and flexibility, allowing for rapid production of identical batches with minimal manual intervention and automatic adjustment of gas flow rates to maintain target compositions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If gravimetric filling method with initially regulated composition is used, then manufacturing precision is improved, but productivity deteriorates due to lengthy manual adjustments and calibration procedures
Solution Approach 1:
The patent implements a feedback loop where an analytical system continuously monitors the gas mixture composition during filling and sends signals back to mass flow controllers to adjust flow rates in real-time, maintaining target concentration dynamically throughout the filling process
Solution Approach 2:
The patent replaces the mechanical gravimetric filling system with a dynamic gas-phase filling system using mass flow controllers and real-time analytical feedback, eliminating the need for manual weight-based adjustments and lengthy calibration procedures
2Productivity
If dynamic filling method with real-time analysis is used, then productivity is improved, but device complexity worsens due to additional analytical systems and feedback loops
Solution Approach 1:
The analytical system serves multiple functions: it monitors gas mixture composition in real-time, provides feedback to mass flow controllers for dynamic adjustment, and ensures compliance with concentration specifications, thereby justifying its addition through multifunctional utility
Solution Approach 2:
The system dynamically changes operating parameters (gas flow rates) based on real-time composition analysis, allowing the filling process to adapt automatically and maintain precision without requiring complex manual intervention protocols
3Stability of the object's composition
If batch production of identical bottles is implemented, then homogeneity is improved, but loss of time worsens due to setup and regulation adjustments between batches
Solution Approach 1:
The filling system transitions from static pre-regulated composition to dynamic real-time composition control, allowing the system to automatically adapt to different gas mixtures and batch requirements without manual reconfiguration, thereby reducing changeover time while maintaining homogeneity
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 method enables the rapid, flexible, and precise production of identical gas mixture batches, reducing production time and errors, improving productivity, and ensuring compliance with international standards by maintaining target concentrations and homogeneity across batches.
Implementation Method 1
an analytical system (119) having analysers (110, 111) for analysing the composition of the gas mixture
Implementation Method 2
which gas lines are each equipped with one or more mass flow controllers (107, 108, 115, 116) for regulating a flow rate of the respective gas
Implementation Method 3
a compression stage (112) for increasing a pressure of the gas mixture to a desired setpoint pressure
Data Source
AI summary
A method for filling a batch of gas bottles with a gas mixture, wherein the gas mixture may have of a single constituent in a matrix or a plurality of constituents in a matrix, which matrix has of one or more base gases, in which a real-time analysis of all the constituents of the gas mixture is carried out at the exit of a mixing chamber and before it enters a compression stage.