Flywheel Assembly Fixture for Precise Plate Alignment and Balance

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Solution Overview

Problem

Current mechanical energy storage solutions, particularly chemical batteries, are expensive, complex, environmentally unfriendly, and have short lifespans, while existing flywheel assemblies lack effective means for alignment and balance.

Innovation Solution

A flywheel assembly fixture with a stacking device and clamping device that aligns and balances flywheel plates using axles and alignment mechanisms, applying clamping forces to ensure proper assembly and operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If chemical batteries are used for energy storage, then energy storage capacity is improved, but cost, complexity, and environmental harm increase

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 energy storage system using a flywheel. The flywheel stores energy kinetically through rotation, eliminating the need for chemical reactions, toxic materials, and complex battery management systems while providing scalable energy storage capacity.

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

Solution Approach 2:

The patent changes the fundamental storage mechanism from chemical to mechanical kinetic energy. By rotating the flywheel at controlled speeds and using magnetic bearings to minimize friction, the system achieves efficient energy storage and retrieval without the complexity and environmental issues of chemical batteries.

Inventive Principle:
Principle #35Parameter changes

2Quantity of substance

If chemical batteries are used for energy storage, then energy storage capacity is improved, but environmental harm increases

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

Solution Approach 1:

The patent replaces chemical battery systems with a mechanical energy storage system using a flywheel. The flywheel stores energy kinetically through rotation, eliminating the need for chemical reactions, toxic materials, and complex battery management systems while providing scalable energy storage capacity.

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

3Ease of manufacture

If multi-part flywheel assembly is used, then manufacturing flexibility is improved, but assembly alignment precision deteriorates

Engineering Contradiction:
Improvemanufacturing flexibilityVSAvoidassembly alignment precision
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The patent uses a fixture system that pre-positions and aligns multiple flywheel plates before final assembly. The fixture includes alignment features that guide the plates into precise rotational and axial positions, ensuring balanced assembly while allowing flexible manufacturing of individual plate components.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent employs a fixture as an intermediary tool during assembly. The fixture contains alignment mechanisms such as定位 pins, guide surfaces, and clamping features that temporarily hold components in precise positions during assembly, ensuring accurate alignment without requiring complex direct component-to-component fitting.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20250257787A1Mechanical-energy storage unit and assembly fixture
Publication Date: 2025.08.14 TORUS INC
  • US20250257787A1 patent drawing
  • US20250257787A1 patent drawing
  • US20250257787A1 patent drawing

AI summary

A system may include a stacking device having a base portion and one or more walls, the base portion having a first axle receiver that holds a first axle at a first defined position, the one or more walls extending from the base portion, the stacking device receiving one or more flywheel plates onto the first axle. A system may include a clamping device adapted to couple with the stacking device using one or more alignment mechanisms, the clamping device including a second axle receiver that holds a second axle at a second defined position, the first defined position and the second defined position being in line when the clamping device is coupled with the stacking device.