Portable Hybrid Generator Battery Buffer for Quiet Continuous Power

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Solution Overview

Problem

Conventional portable generators are unreliable, inefficient, and noisy, with limited maintenance information and environmental adaptability, posing air pollution concerns and being costly and inefficient due to continuous combustion of fuel sources.

Innovation Solution

A portable hybrid generator system that combines a calibrated Primary Energy Source (PES) with an Energy Storage Unit (ESU), featuring a microcontroller and communications port to optimize energy usage, reduce noise, and provide efficient power management, allowing for variable load handling and automatic maintenance notifications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional portable generators use continuous combustion of fuel sources, then they can provide continuous power, but they produce noise and air pollution

Engineering Contradiction:
Improvecontinuous powerVSAvoidnoise and air pollution
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The generator operates in periodic cycles, alternating between combustion engine operation and battery operation. The controller monitors power demands and switches between energy sources, allowing the engine to run only when necessary rather than continuously, thereby reducing noise and emissions while maintaining continuous power supply capability.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The battery serves as an intermediary energy storage device between the combustion engine and the power outlets. It absorbs excess energy when the engine runs and releases energy when the engine is off, enabling the system to provide continuous power without continuous combustion, thus reducing noise and air pollution.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If conventional portable generators run continuously to ensure power availability, then they can meet variable load demands, but they waste fuel when loads are low or absent

Engineering Contradiction:
Improvepower availabilityVSAvoidfuel waste
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The controller continuously monitors power demands, battery charge levels, and engine operation status. Based on this feedback, it intelligently decides when to start/stop the engine and when to charge/discharge the battery, ensuring the engine runs only when necessary to meet power demands, thereby eliminating fuel waste during low or absent load conditions while maintaining power availability.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system dynamically adjusts its operation mode based on real-time conditions. The controller can switch between engine-only mode, battery-only mode, and hybrid mode depending on power demands and battery state, allowing the system to optimize fuel consumption while ensuring power availability across varying load conditions.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If portable generators are designed for portability, then they can be easily transported, but they may lack advanced features like calibration systems and communications ports

Engineering Contradiction:
ImproveportabilityVSAvoidcalibration system and communications port
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The microcontroller serves multiple functions: it controls engine operation, manages battery charging/discharging, communicates with external devices via the communications port, and performs calibration operations. By consolidating these diverse functions into a single integrated control unit, the system achieves advanced capabilities without proportionally increasing physical size or complexity, maintaining portability while adding sophistication.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 portable hybrid generator operates at peak efficiency, conserves energy, reduces fuel waste, and provides reliable, quiet power with reduced engine size and noise, while enhancing user-friendliness and adaptability to various environmental conditions.

Implementation Method 1

an energy storage unit, wherein the energy storage unit may comprise one or more detachable sensors

Methodology Applied
Scientific EffectElectrical energy storage: Battery (electricity)

Data Source

PatentUS12142930B2Portable hybrid generator
Publication Date: 2024.11.12 GOAL ZERO LLC
  • US12142930B2 patent drawing
  • US12142930B2 patent drawing
  • US12142930B2 patent drawing

AI summary

A portable hybrid generator system includes a first unit and a second unit. The first unit includes a first housing, a first output port, and a primary energy source disposed within the first housing. The primary energy source is electrically coupled to the first output port. The second unit is separate from the first unit. The second unit includes a second housing, an input port, a second output port, and an energy storage device disposed within the second housing. The energy storage device is electrically coupled to the input port and the second output port. The energy storage device includes at least one battery. The input port and the first output port facilitate selectively electrically coupling the first unit to the second unit to charge the energy storage device. The primary energy source is specifically calibrated or calibratable to charge the energy storage device based on the at least one battery.