Inductive-Tooth Generator Layout for Lower Input Torque

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Solution Overview

Problem

Traditional electric generators face challenges such as high input torque requirements, inefficiencies in energy conversion, and mechanical wear due to resistance forces, particularly when adapting to fluctuating input conditions from renewable energy sources.

Innovation Solution

The generator design incorporates a rotor with inductive teeth and a stator with alternating polarity magnets, utilizing soft magnetic metals, optimized spacing, and redirecting opposing magnetic forces perpendicular to input torque, combined with synchronized aluminum cylinders and slip rings for real-time monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If traditional generator designs are used, then reliable power generation is achieved, but high input torque requirements and mechanical wear occur

Engineering Contradiction:

Improveinput torqueVSAvoidmechanical wear

Core Design Contradiction:

PowerVSReliability

Solution Approach 1:

The patent replaces traditional direct mechanical coupling with magnetic field interaction. The rotor teeth with inductive windings interact magnetically with the stator magnets, eliminating the need for direct mechanical contact and reducing wear while lowering input torque requirements through optimized magnetic flux distribution

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the magnetic circuit parameters by using soft magnetic metal for rotor teeth, optimizing the spacing between rotor and stator, and configuring alternating polarity magnets. These parameter changes reduce magnetic resistance and input torque while maintaining reliable power generation

Inventive Principle:

Principle #35Parameter changes

2Power

If traditional magnetic configurations are used, then power generation is achieved, but energy conversion inefficiencies occur

Engineering Contradiction:

Improveenergy conversion efficiencyVSAvoidenergy losses

Core Design Contradiction:

PowerVSLoss of energy

Solution Approach 1:

The patent segments the magnetic circuit into alternating polarity magnets arranged around the rotor, creating multiple localized magnetic flux paths. This segmentation optimizes flux distribution and reduces energy losses by ensuring efficient magnetic coupling at multiple points simultaneously

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent uses composite construction with soft magnetic metal cores combined with inductive windings on rotor teeth, and alternating polarity magnets on the stator. This composite approach optimizes magnetic permeability and reduces hysteresis losses, improving overall energy conversion efficiency

Inventive Principle:

Principle #40Composite materials

3Power

If fixed magnet assemblies are used, then structural simplicity is maintained, but input torque requirements increase

Engineering Contradiction:

Improveinput torque requirementsVSAvoidmagnet assembly configuration

Core Design Contradiction:

PowerVSDevice complexity

Solution Approach 1:

The patent makes the magnet assemblies dynamic by allowing them to rotate freely on their axes while maintaining their radial position. This dynamic configuration enables the magnets to self-align with the rotor teeth during operation, reducing magnetic resistance and input torque requirements without significantly increasing structural complexity

Inventive Principle:

Principle #15Dynamics

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

This design achieves reduced input torque requirements while maintaining high energy output, enhancing efficiency, adaptability, and reliability, suitable for diverse energy applications from residential to industrial use.

Implementation Method 1

each rotor tooth acts as an inductor if it is subject to a changing external magnetic field. A continuous changing of the magnetic field polarity will cause the inductor to create a time varying voltage output

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

a stator comprising a plurality of magnets, each magnet having an alternating polarity relative to adjacent magnets, arranged around at least a portion of the rotor's perimeter

Methodology Applied

Scientific EffectMagnetic field: Magnetic Field

Data Source

PatentUS20250219518A1Electric generator with reduced input power

Publication Date: 2025.07.03 ZSPH3 LLC

AI summary

An electric generator is disclosed that utilizes a rotor with a plurality of inductive rotor teeth interacting with a stator comprising magnets arranged in alternating polarity. The generator induces alternating magnetic polarity in the rotor teeth as they pass the magnets, generating electrical energy while minimizing input torque requirements. Configurations include fixed and rotating aluminum cylinder assemblies, each embedded with magnets and geared to operate synchronously with the rotor, enhancing efficiency. Methods for optimizing energy output include redirecting opposing magnetic forces perpendicular to the input torque and maintaining optimal spacing between rotor teeth and magnets. Simulations demonstrate a significant reduction in input energy while maintaining comparable power generation to conventional systems. The disclosed generator provides improved energy efficiency for various applications.