High Power Laser Mining Equipment for Precise Material Removal

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current mining, tunneling, and infrastructure repair methods rely on dangerous, noisy, and imprecise equipment that often require explosives or large mechanical cutting machines, leading to inefficiencies and environmental disruptions.

Innovation Solution

The development of high power laser systems capable of delivering precise, directed energy over long distances to penetrate and remove material in a predetermined three-dimensional pattern, reducing the need for mechanical force and minimizing environmental impact.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If high power laser systems are used to deliver directed energy over long distances for material removal, then manufacturing precision and measurement precision are improved, but device complexity increases

Engineering Contradiction:
Improvematerial removal precisionVSAvoidlaser system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical cutting and mining equipment with high power laser systems that deliver directed energy to remove material. This substitution enables precise material removal through controlled energy delivery rather than mechanical force, resolving the contradiction by achieving high precision through a different physical mechanism despite increased system complexity

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

Solution Approach 2:

The patent utilizes variable parameters of the laser system including power output, pulse duration, wavelength, and beam focusing to achieve precise material removal. By changing these parameters, the system can be optimized for different material types and removal requirements, maintaining high precision while managing device complexity through parameter optimization rather than structural complexity

Inventive Principle:
Principle #35Parameter changes

2Device complexity

If traditional mechanical cutting and mining equipment is used, then device complexity is reduced, but object-generated harmful factors increase due to noise and vibration

Engineering Contradiction:
Improveequipment simplicityVSAvoidnoise and vibration
Core Design Contradiction:
Device complexityVSObject-generated harmful factors

Solution Approach 1:

The patent replaces mechanical cutting and mining operations with non-mechanical laser energy delivery. This substitution eliminates the noise and vibration inherently generated by mechanical equipment while achieving material removal through thermal and mechanical effects induced by the laser, thereby reducing harmful factors despite increased device complexity

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

Solution Approach 2:

The patent converts the potential harm of high power laser energy into a beneficial process by precisely controlling the energy delivery to achieve clean material removal. The intense energy that could cause uncontrolled damage is instead used to create precise cuts and minimize harmful effects like noise and vibration associated with traditional mechanical methods

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Productivity

If explosives are used for mining and tunneling, then productivity is improved, but object-affected harmful factors increase due to safety risks and environmental disruption

Engineering Contradiction:
Improvemining efficiencyVSAvoidsafety risks and environmental disruption
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces explosive-based mining and tunneling with laser energy delivery systems. This substitution maintains productivity by efficiently removing material while eliminating the safety risks and environmental disruption caused by explosives, as the laser provides controlled, localized energy delivery without the uncontrolled effects of detonation

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

Solution Approach 2:

The patent introduces laser energy as an intermediary between the energy source and the material to be removed. This intermediary enables controlled energy transfer that achieves mining productivity without the harmful effects of explosives, as the laser can be precisely directed and controlled to affect only the target material

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 controlled and precise removal of material, reducing noise and vibration, allowing for more efficient and environmentally friendly operations in mining, tunneling, and infrastructure repair, with the potential for remote and hostile location applications.

Implementation Method 1

delivering high power laser beams over a distance to a work surface to perform a laser operation or a laser mechanical operation on the work surface, such as treating, fracturing, tunneling, weakening, welding, annealing, cutting, removing, drilling, penetrating

Methodology Applied
Scientific EffectLaser ablation: Laser Ablation

Data Source

PatentUS10195687B2High power laser tunneling mining and construction equipment and methods of use
Publication Date: 2019.02.05 FORO ENERGY INC
  • US10195687B2 patent drawing
  • US10195687B2 patent drawing
  • US10195687B2 patent drawing

AI summary

There are provided high power laser and laser mechanical earth removing equipment, and operations using laser cutting tools having stand off distances. These equipment provide high power laser beams, greater than 1 kW to cut and volumetrically remove targeted materials and to remove laser affected material with gravity assistance, mechanical cutters, fluid jets, scrapers and wheels. There is also provided a method of using this equipment in mining, road resurfacing and other earth removing or working activities.