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Energy, Power & Propulsion

Date Title Views

Thermal-Lag Heating

This is a concept to use a material like salt which responds slowly to changes of temperature, to provide a house with the summer’s heat in the winter, and winter’s cooling in the summer. 

Shown is a horizontal heat sink (salt, concrete, etc.

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Steve Hines
Virginia Beach, United States
Votes: 0
Views: 486
Energy, Power & Propulsion
Jun 7, 2025

Thermoelectric-Based Storage System

Our initiative, the Thermoelectric-Based (Vaccine) Storage System, aims to deliver a dependable and portable solution for preserving the ideal storage temperature necessary for vaccines through the use of a Peltier module, an Arduino microcontroller, and a rechargeable battery.

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Bharath Adithya R
Sathyamangalam, India
Votes: 3
Views: 546
Energy, Power & Propulsion
Jun 19, 2025

Trifecta Energy Harvesting System

Overview

Introducing the Trifecta Energy Harvesting System: a patent-pending, fully additively manufactured platform revolutionizing energy capture by efficiently collecting electromagnetic, thermal, and mechanical energy within a single, flexible printed architecture. By seamlessly combining these functions into a thin, conformal structure, the system replaces separate, bulky energy harvesters,

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Mike Johnson
Greeneville, United States
Votes: 0
Views: 887
Energy, Power & Propulsion
Jun 28, 2025

Twelve Phase Generated by a Three Phase Source

In the beginning of June of 2025 the fact was realized that any given three phase generator can be manipulated into a twelve phase generator by proper sizing of the permanent magnets on the rotor.

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Gary Henthorne
Moncks Corner, United States
Votes: 0
Views: 475
Energy, Power & Propulsion
Jun 10, 2025

Ultra-Efficient Hydrogen Combustion for Clean, Distributed Power and Propulsion

Alpha-Otto Technologies introduces REV Force, a radically new hydrogen-compatible engine platform that combines a patented mode of engine operation with an advanced combustion strategy to redefine what’s possible in clean, distributed power.

At the core of REV Force is a proprietary engine architecture that delivers a power stroke with every revolution of the crankshaft,

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John Krzeminski
Fenton, United States
Votes: 82
Views: 6674
Energy, Power & Propulsion
Apr 15, 2025

Water Purification, Power Generation and Indoor Lighting System

This invention consists of a multifunctional integrated solar system that combines four sustainable functions into a single, compact unit: (1) photovoltaic electricity generation, (2) improved SODIS (Solar Water Disinfection) for clean water production, (3) daylight transmission using solar fiber optics, and now (4) thermoelectric generation by harnessing waste heat through a liquid cooling system.

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Manuel Isaac Zuniga Santuario
Ciudad De México, Nigeria
Votes: 2
Views: 1107
Energy, Power & Propulsion
Jul 5, 2025

Worldwide Standard Power Plugs and Voltage

International travelers are facing a mix of power voltages and plugs standards around the world. Decades old standards were based on politics more than sound physics.

Modern portable devices such as computers, monitors, come with power adapters that work between 100V and 240V, 50Hz or 60Hz. However,

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Rafael Skodlar
Milpitas, United States
Votes: 0
Views: 496
Energy, Power & Propulsion
Jul 1, 2025

XESS BP (eXtended Energy Storage System; Backup Power)

The XESS BP series of residence and business standby emergency power products store energy from any electric source and return the energy back to electric power when needed. The system is autonomous and comes complete with a leveling base and interconnect power adapter cable.

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Dan Hamby
Valdese, United States
Votes: 0
Views: 900
Energy, Power & Propulsion
Jul 2, 2025

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