Modular Subterranean Generators With Vertical Shaft Scaling

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Solution Overview

Problem

Existing technologies lack efficient and scalable systems for generating electricity underground, limiting the flexibility and scalability of subterranean power generation.

Innovation Solution

A modular subterranean electricity-generating system comprising a plurality of generators with rotors and stators, driven by a vertically oriented shaft, which induces electric currents through electromagnetic induction, allowing for flexible customization and scalability by adding or removing generators.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple generators are installed in a subterranean system, then electricity generation capacity increases, but system complexity and installation difficulty increase

Engineering Contradiction:
Improveelectricity generation capacityVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system is divided into multiple independent generator modules, each comprising a rotor, stator, and associated components. These modular units can be independently installed, maintained, and scaled, allowing increased electricity generation capacity without proportionally increasing overall system complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple generator modules are combined within a single subterranean housing structure, sharing common support infrastructure such as the rotatable shaft mechanism, bearing assemblies, and electrical connection systems. This merging approach allows scalable capacity increase while consolidating complexity into standardized components.

Inventive Principle:
Principle #5Merging (Combining)

2Volume of moving object

If a vertically oriented shaft is used to drive multiple generators, then space efficiency increases, but manufacturing and assembly precision requirements increase

Engineering Contradiction:
Improvespace efficiencyVSAvoidassembly precision
Core Design Contradiction:
Volume of moving objectVSManufacturing precision

Solution Approach 1:

The vertical shaft system incorporates localized precision bearing assemblies at specific intervals along the shaft length, rather than requiring uniform high-precision manufacturing throughout the entire shaft. This allows space-efficient vertical stacking of generators while concentrating precision requirements to critical support points.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system includes pre-installed bearing assemblies and alignment features within the housing structure before generator modules are attached. These pre-positioned components compensate for minor manufacturing tolerances and facilitate easier assembly, reducing the overall precision requirements for the vertical shaft configuration.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Area of stationary object

If generators are installed underground, then surface footprint is minimized, but access for maintenance and repair becomes more difficult

Engineering Contradiction:
Improvesurface footprintVSAvoidmaintenance access
Core Design Contradiction:
Area of stationary objectVSEase of repair

Solution Approach 1:

The generator modules are designed to be extractable from the subterranean housing through a accessible opening or access shaft. This allows individual generator units to be removed for maintenance or replacement without requiring complex disassembly of the entire underground system, facilitating easier repair access while maintaining minimal surface footprint.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The modular generator design incorporates self-contained components with standardized interfaces, allowing maintenance personnel to quickly swap out failed modules without requiring extensive diagnostic or repair procedures underground. This reduces maintenance complexity and improves ease of repair while keeping the system compact underground.

Inventive Principle:
Principle #25Self-service

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 efficient and scalable electricity generation underground, minimizing surface visibility and footprint, while utilizing various power sources and configurations to meet demand.

Implementation Method 1

Rotation of the shaft drives rotation of the first generator rotor relative to the first generator stator to induce a first electric current, and whereby rotation of the shaft drives rotation of the second generator rotor relative to the second generator stator to induce a second electric current

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS12381450B1Subterranean electricity-generating system
Publication Date: 2025.08.05 PIERSON RAYMOND MARVIN
  • US12381450B1 patent drawing
  • US12381450B1 patent drawing
  • US12381450B1 patent drawing

AI summary

A subterranean electricity-generating system, and methods of making and using the same, whereby the system includes a first generator comprising a first generator rotor and a first generator stator, a second generator comprising a second generator rotor and a second generator stator, and a rotatable shaft operably coupled to the first generator rotor and the second generator rotor to drive rotation thereof. The shaft has a vertical rotation axis, whereby rotation of the shaft drives rotation of the first generator rotor relative to the first generator stator to induce a first electric current, and whereby rotation of the shaft drives rotation of the second generator rotor relative to the second generator stator to induce a second electric current.