Portable Isotopic Analyzer Combustion Laser Measurement

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Solution Overview

Problem

Current isotopic analysis methods are limited by the need for bulky and sensitive equipment that is not suitable for on-site use, resulting in slow and incomplete isotopic information, particularly in fields like oil exploration, forensic science, and product authentication, which require rapid and accurate analysis of whole isotope numbers and profiles.

Innovation Solution

A portable apparatus and method utilizing a combustion furnace, reactant tube, and laser isotopic measurement device, coupled with a processor and memory device, that introduces samples through an injector or thermal extraction device, allowing for on-site measurement of isotopic characteristics and profiles by converting samples into gases for analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional isotopic analysis equipment is used, then measurement precision is improved, but device complexity and portability are worsened

Engineering Contradiction:
Improveisotopic measurement precisionVSAvoidequipment complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system segments the isotopic analysis process into distinct functional modules: thermal extraction unit, combustion unit, and laser measurement unit. Each module performs a specific function, allowing the complex analysis process to be divided into manageable components that can be integrated in a portable configuration while maintaining measurement precision.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The portable isotopic analyzer integrates multiple functions into a single device: sample injection, thermal extraction, combustion, and laser-based isotopic measurement. This multi-functional integration eliminates the need for separate laboratory equipment while maintaining analytical capability, directly addressing the contradiction between precision and device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If traditional laboratory isotopic analysis is used, then measurement precision is improved, but analysis time is worsened

Engineering Contradiction:
Improveisotopic measurement precisionVSAvoidanalysis time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system implements continuous flow analysis where samples are continuously introduced through the thermal extraction and combustion processes directly into the laser measurement device. This eliminates the batch processing and sample transfer steps inherent in traditional laboratory methods, enabling rapid sequential analysis while maintaining precision through continuous monitoring.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent replaces traditional mechanical sample preparation and analysis methods with thermal extraction and laser-based measurement. The thermal extraction unit rapidly vaporizes samples, and the laser measurement device instantly analyzes isotopic ratios, eliminating time-consuming mechanical separation and manual analysis steps while preserving measurement accuracy.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If thermal extraction is used for sample preparation, then analysis speed is improved, but applicability to isotopic analysis is worsened

Engineering Contradiction:
Improveanalysis speedVSAvoidisotopic analysis capability
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The system modifies the thermal extraction process parameters specifically for isotopic analysis: controlling temperature gradients to prevent isotopic fractionation, optimizing extraction time to capture volatile components without degradation, and adjusting carrier gas flow rates to maintain representative sample composition. These parameter optimizations enable rapid analysis while preserving isotopic integrity.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent introduces a specialized thermal extraction unit as an intermediary between sample introduction and combustion. This unit rapidly vaporizes samples and transfers them to the combustion chamber while maintaining isotopic composition, bridging the gap between fast thermal extraction methodology and precise isotopic measurement capability.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Enables rapid and accurate determination of isotopic characteristics and profiles of various samples, facilitating on-site decision-making in oil exploration, forensic analysis, and product authentication, and providing detailed isotopic information previously unavailable in real-time.

Implementation Method 1

a combustion furnace (5), adapted to heat the sample

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 2

a laser isotopic measurement device (9), adapted for measuring the isotopic characteristics of the sample

Methodology Applied
Scientific EffectLaser absorption spectroscopy: Absorption Spectroscopy

Data Source

PatentUS7976780B2Method and apparatus for measuring isotopic characteristics
Publication Date: 2011.07.12 HALLIBURTON ENERGY SERVICES INC
  • US7976780B2 patent drawing
  • US7976780B2 patent drawing
  • US7976780B2 patent drawing

AI summary

Methods and apparatus are provided to measure isotopic characteristics of a number of sample types. Embodiments of the invention combine novel and existing components to produce more accurate isotopic information. Further, embodiments of the invention allow for isotopic readings to be taken and analyzed outside of a laboratory. An example of such an embodiment is an apparatus comprising a combustion furnace; a reactant tube passing through the combustion furnace; an injector coupled to one, or a combination of, the combustion furnace, and reactant tube, to introduce a sample; a laser isotopic measurement device coupled to the reactant tube on the exit end; and a processor electrically coupled to one, or a combination of, the injector, the combustion furnace, the reactant tube, and the isotopic measurement device, in which a carrier gas transports the sample through the apparatus.