Gas Sampling Valve Chuck With Isolated Transfer Tube
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Solution Overview
Problem
Existing gas sampling technologies face challenges in efficiently collecting, transporting, and analyzing gas samples, particularly in industrial contexts like oil and gas exploration and natural gas storage, due to the need for improved methods to handle pressurized gases and maintain sample integrity.
Innovation Solution
A valve assembly and chuck system for a gas sampling apparatus, comprising a first core valve with a biased pin, a second core valve with a biased pin, and a transfer tube that isolates fluid communication paths between these valves, allowing for controlled sample collection, transportation, and analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a traditional single-valve system is used for gas sampling, then the device complexity is low, but the productivity and efficiency of sample collection and analysis are insufficient
Solution Approach 1:
The valve system is segmented into multiple independent core valves (first core valve, second core valve) that can operate independently. Each valve handles specific functions in the sampling process, allowing parallel operations and improving overall productivity without requiring complete system redesign.
Solution Approach 2:
The transfer tube is nested within the chuck system, and the core valves are integrated within the valve assembly. This nested configuration allows multiple functional components to occupy compact space, increasing system capability without proportionally increasing external dimensions or operational complexity.
2Productivity
If multiple core valves are used to enable multiple cycles of pressurization and evacuation, then the productivity is improved, but the device complexity increases
Solution Approach 1:
The transfer tube acts as an intermediary component that connects the first and second core valves while isolating their fluid communication paths. This mediator enables coordinated operation of multiple valves without creating complex direct interconnections, allowing multiple pressurization and evacuation cycles while managing system complexity.
Solution Approach 2:
The fluid communication paths are segmented into separate isolated paths for each core valve. This segmentation prevents fluid cross-contamination between valves and allows independent operation, enabling multiple sampling cycles without requiring a complete system flush or reconfiguration between cycles.
3Reliability
If the transfer tube isolates fluid communication paths between core valves, then the sample integrity is maintained, but the device complexity increases
Solution Approach 1:
The transfer tube serves as an isolated intermediary that transfers samples between sampling and analysis stages without creating fluid communication pathways between different core valves. This isolation mechanism maintains sample integrity by preventing cross-contamination while using a relatively simple tubular structure rather than complex isolation systems.
Solution Approach 2:
The fluid communication path between the first and second core valves is extracted and isolated, creating separate independent pathways. This extraction ensures that samples handled by each valve remain isolated and uncontaminated, maintaining sample integrity while using discrete, manageable components.
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
The system enables efficient collection, transportation, and analysis of gas samples by maintaining sample integrity and facilitating multiple cycles of pressurization and evacuation, enhancing data acquisition and chemical tag identification.
Implementation Method 1
a first core valve, wherein a pin of the first core valve is biased to a first closed position; a second core valve, wherein a pin of the second core valve is biased to a first closed position
Implementation Method 2
a transfer tube housed within the chuck system, wherein the transfer tube provides a means of displacing the pins of the first and second core valves to a second open position
Implementation Method 3
wherein the transfer tube isolates a fluid communication path between the first and second core valves
Data Source
AI summary
A valve assembly and chuck system for a gas sampling apparatus. In one embodiment, the apparatus may comprise a valve assembly comprising a first core valve, wherein a pin of the first core valve is biased to a first closed position; a chuck system comprising a second core valve, wherein a pin of the second core valve is biased to a first closed position; and a transfer tube housed within the chuck system, wherein the transfer tube provides a means of displacing the pins of the first and second core valves to a second open position; wherein the transfer tube isolates a fluid communication path between the first and second core valves. In an alternate embodiment, the chuck system may not comprise a second core valve, and the transfer tube may isolate a fluid communication path between the first core valve and the chuck system.