Mechanical-Energy Storage Unit

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Solution Overview

Problem

Current electrical energy storage solutions, particularly chemical batteries, are expensive, complex, environmentally unfriendly, and have short lifespans, making them unsuitable for residential and utility-level applications, and existing mechanical energy storage systems are too large or lack scalability and safety features.

Innovation Solution

A flywheel-based mechanical-energy storage unit assembly comprising a flywheel with metal plates, a motor assembly, and a flywheel coupling mechanism that converts electrical energy into rotational momentum and back, with features like magnetic levitation and vacuum chambers for efficient energy storage and retrieval.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If chemical batteries are used for energy storage, then energy storage capacity is achieved, but cost, complexity, and safety risks increase significantly

Engineering Contradiction:
Improveenergy storage capacityVSAvoidsystem complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent replaces chemical battery systems with a mechanical flywheel-based energy storage system. The flywheel stores energy kinetically through rotation, eliminating the need for chemical reactions and complex battery management systems. This mechanical substitution reduces system complexity while maintaining energy storage capacity.

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

Solution Approach 2:

The patent changes the fundamental storage parameter from chemical potential energy (batteries) to kinetic energy (flywheel rotation). By storing energy in the rotational motion of the flywheel rather than through chemical reactions, the system achieves simpler architecture with fewer safety risks while preserving energy storage functionality.

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If chemical batteries are used for energy storage, then energy storage is achieved, but environmental harm and disposal issues worsen

Engineering Contradiction:
Improveenergy storage capacityVSAvoidenvironmental harm
Core Design Contradiction:
Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent substitutes chemical battery systems with a mechanical flywheel system, eliminating toxic chemicals from the energy storage process. The flywheel's kinetic energy storage mechanism produces no harmful emissions, chemical waste, or environmental contamination during operation or disposal.

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

Solution Approach 2:

The flywheel system uses simple, durable mechanical components that can be easily replaced or recycled without environmental harm. The metallic construction allows for complete material recovery and reuse, eliminating the disposal problems associated with chemical batteries.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Quantity of substance

If chemical batteries are used for energy storage, then energy storage is achieved, but lifespan and reliability deteriorate

Engineering Contradiction:
Improveenergy storage capacityVSAvoidlifespan
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The patent replaces chemical battery systems with a mechanical flywheel system that has no chemical degradation. The flywheel's metallic construction and simple mechanical bearing system eliminate the issues of chemical aging, capacity fade, and cycle life limitations inherent in battery systems.

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

Solution Approach 2:

The patent incorporates magnetic bearings and vacuum chamber protection to prevent mechanical wear and contamination of the flywheel system before problems can occur. These preventive measures ensure long-term reliability by eliminating friction and preventing degradation from the outset.

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

4Quantity of substance

If traditional mechanical energy storage systems are used, then energy storage is achieved, but size and scalability are limited

Engineering Contradiction:
Improveenergy storage capacityVSAvoidsystem size
Core Design Contradiction:
Quantity of substanceVSVolume of moving object

Solution Approach 1:

The patent divides the energy storage system into modular components: the flywheel rotor, magnetic bearing assembly, vacuum chamber, and coupling mechanism. This segmentation allows the system to be scaled by adding or removing modules, enabling deployment from residential to utility levels without requiring a complete system redesign.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent changes the scaling approach by using dimensional analysis and geometric similarity. By maintaining constant stress parameters and using proportional scaling of the flywheel dimensions, the system can be enlarged or reduced while preserving mechanical integrity and performance characteristics.

Inventive Principle:
Principle #35Parameter changes

5Adaptability or versatility

If flywheel-based mechanical energy storage is implemented, then scalability and environmental friendliness are improved, but manufacturing precision and complexity increase

Engineering Contradiction:
ImprovescalabilityVSAvoidmanufacturing precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent segments the manufacturing process into standard化的 components that can be produced using conventional machining techniques. The modular design allows each component to be manufactured independently with standard tolerances, then assembled into the complete system, reducing the need for high-precision monolithic manufacturing.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent optimizes the flywheel's geometric parameters and material properties to reduce sensitivity to manufacturing variations. By carefully selecting dimensions and materials that minimize stress concentrations and balance requirements, the system achieves scalability without requiring extreme manufacturing precision.

Inventive Principle:
Principle #35Parameter changes

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

Provides affordable, scalable, and environmentally friendly energy storage capable of powering a residence for days and supporting utility-level energy needs, with rapid transition to renewable energy sources and decentralized power production.

Implementation Method 1

a motor adapted to convert an input electrical current to rotational momentum by spinning up the flywheel, the motor further being adapted to convert the rotational momentum of the flywheel into an output electrical current

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

the flywheel coupling includes a flywheel component coupled with the flywheel and a motor component coupled with the motor, the flywheel component interacting with the motor component using magnetic flux to impart force on the motor component

Methodology Applied
Scientific EffectMagnetic flux interaction: Magnetic Field

Implementation Method 3

a flywheel bearing coupling the flywheel to the flywheel housing; the flywheel bearing providing support to the flywheel

Methodology Applied
Scientific EffectFriction reduction: Friction

Data Source

PatentUS20250309683A1Mechanical-Energy Storage Unit
Publication Date: 2025.10.02 TORUS INC
  • US20250309683A1 patent drawing
  • US20250309683A1 patent drawing
  • US20250309683A1 patent drawing

AI summary

A system may include a flywheel including one or more plates and coupled at a central axis of rotation to a flywheel bearing, the flywheel being adapted to rotate about the central axis. A system may include a flywheel housing providing vertical support to the flywheel bearing. A system may include the flywheel bearing coupling the flywheel to the flywheel housing. A system may include a motor assembly including a motor adapted to convert an input electrical current to rotational momentum by spinning up the flywheel, the motor further being adapted to convert the rotational momentum of the flywheel into an output electrical current. A system may include a flywheel coupling adapted to couple the motor assembly with the flywheel and impart rotational force between the motor and the flywheel.