Electric Fan Power Generator with Recycled Energy Loop

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Solution Overview

Problem

Conventional electric fan-type power generating devices suffer from high energy consumption and inability to reuse mechanical energy, limiting their usage to specific locations and reducing battery service life.

Innovation Solution

An electric fan-type power generating device with a housing containing a first fan driven by an electric motor, generating wind power that drives a second fan to rotate a generator, recycling electricity to recharge a battery, which powers the motor, creating a self-sustaining energy loop with adjustable rotational speed or torque for enhanced power generation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If conventional fans use main power to drive motors, then fans can operate reliably, but energy consumption is high and usage is limited to specific locations

Engineering Contradiction:
Improveenergy consumptionVSAvoidusage location flexibility
Core Design Contradiction:
Use of energy by moving objectVSAdaptability or versatility

Solution Approach 1:

The patent combines a fan and a generator into a single integrated device. The motor drives the fan blades to generate wind, while the same wind also drives the generator to produce electricity. This merging of functions allows the device to both cool environments and generate power, enabling portable operation without main power supply.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The device generates its own electricity through the generator being driven by wind from the fan blades. This self-generated power can be stored in batteries or used to power external devices, making the system self-sufficient and independent from external power sources.

Inventive Principle:
Principle #25Self-service

2Loss of energy

If motors generate mechanical energy, then fan blades can rotate to generate wind power, but mechanical energy is not recycled and represents direct power loss

Engineering Contradiction:
Improvemechanical energy lossVSAvoidpower generation capability
Core Design Contradiction:
Loss of energyVSProductivity

Solution Approach 1:

The system creates a feedback loop where the motor drives the fan blades, the wind from the blades drives the generator, and the generator produces electricity that can be used to power the motor or stored for later use. This feedback mechanism recycles mechanical energy that would otherwise be lost.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

Instead of discarding the mechanical energy generated by the motor, the patent recovers it by using the fan-induced wind to drive the generator. This recovered energy is then converted to electrical energy that can be stored or utilized, transforming what would be waste into a useful resource.

Inventive Principle:
Principle #34Discarding and recovering

3Power

If the first fan rotates at high speed to generate wind power, then wind power increases, but torque decreases

Engineering Contradiction:
Improvewind powerVSAvoidtorque
Core Design Contradiction:
PowerVSForce

Solution Approach 1:

The patent employs a transmission mechanism with variable ratios that allows dynamic adjustment between speed and torque. When high wind power is needed, the system optimizes for higher speeds with reduced torque. When more force is required, the transmission can be adjusted to provide higher torque at lower speeds, making the system adaptable to different operational requirements.

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

The device achieves low energy consumption, enabling use anywhere and prolonging battery life by recycling mechanical energy, while providing a portable power source for external appliances.

Implementation Method 1

an electric motor drives a first fan to rotate to thereby generate wind power

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

the second fan drives the generator to generate electricity

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 3

Air flows around in a housing and generates turbulence to proceed with input and output of air, increasing the heat dissipating effect

Methodology Applied
Scientific EffectTurbulence: Turbulence

Data Source

PatentUS10447051B2Electric fan-type power generating device with low energy consumption
Publication Date: 2019.10.15 CHENG CHUN YING
  • US10447051B2 patent drawing
  • US10447051B2 patent drawing
  • US10447051B2 patent drawing

AI summary

An electric fan-type power generating device with low energy consumption includes a housing receiving an electric motor connected to a first fan. A generator is mounted in the housing and is connected to a second fan. The first and second fans are offset from each other. A power device includes a chargeable battery for supplying electricity to the electric motor that drives the first fan to generate wind power close to the second fan. Air flows around in a housing and generates turbulence to proceed with input and output of air, increasing the heat dissipating effect of the electric motor and the generator. Furthermore, the second fan drives the generator to generate electricity supplied to the chargeable battery. The chargeable battery recycles the electricity and supplies the electricity to the electric motor that operates to generate wind power. Furthermore, the wind energy drives the generator to continue generation of electricity.