Thermal Wheel with Phase-Change Fluids for Continuous Energy Generation
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Solution Overview
Problem
Existing renewable energy technologies, such as wind and solar, face challenges including high costs, environmental dependencies, and impacts on wildlife, necessitating the development of a more versatile and sustainable energy harvesting method.
Innovation Solution
A self-contained system utilizing thermal gradients created by phase-changing fluids within a rotatable wheel, where selective heating and cooling maintain a constant imbalance, inducing rotational motion that can be harnessed to generate energy, regardless of environmental wind or sunlight conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If wind-harnessing devices are used to generate renewable energy, then energy can be harvested from wind, but the devices are expensive to build, install, and maintain, and pose threats to avian species
Solution Approach 1:
The patent replaces complex mechanical wind turbine systems with a thermally-driven mechanical system using phase-change fluids. Instead of using large-scale mechanical structures that require expensive installation and maintenance, the invention uses thermal gradients to directly drive fluid phase changes, which in turn drive mechanical motion through mass redistribution in containment vessels
Solution Approach 2:
The patent employs phase transitions of fluids (liquid to gas and back) driven by thermal gradients. The phase-change materials transition between liquid and vapor states in response to temperature differences, causing mass redistribution that creates unbalanced forces to drive continuous mechanical motion without complex control systems
2Use of energy by moving object
If solar panels are used to convert light energy to electrical energy, then renewable energy can be generated, but very large surface areas are required, and the panels are fragile, expensive, and labor-intensive to install
Solution Approach 1:
The patent replaces photovoltaic conversion systems with a thermally-driven mechanical system. Instead of converting light directly to electricity through fragile semiconductor panels, the invention uses thermal gradients (which can be created by various heat sources including solar thermal, combustion, or industrial waste heat) to drive phase-change cycles that produce mechanical motion
Solution Approach 2:
The system uses phase transitions of working fluids to convert thermal energy into mechanical work. The phase-change materials absorb and release latent heat during transitions, enabling efficient energy conversion without requiring large surface areas or fragile photovoltaic materials
3Productivity
If existing renewable energy systems are deployed, then energy generation can occur, but they require specific environmental conditions (adequate wind volume and speed, copious sunlight)
Solution Approach 1:
The patent creates a universal energy conversion system that can operate with various heat sources rather than requiring specific environmental conditions. The phase-change thermal engine can be driven by solar thermal radiation, wind-generated heat, geothermal sources, industrial waste heat, or any other thermal gradient, making it adaptable to diverse environments including indoor and outdoor settings
Solution Approach 2:
The system allows for parameter changes in the working fluids to match different environmental temperature ranges. By selecting phase-change materials with appropriate transition temperatures, the system can be optimized for different climate conditions and heat source temperatures, enhancing its environmental adaptability
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 system provides a cost-effective and environmentally adaptable means to generate energy by leveraging thermal gradients, allowing operation in various environments and continuous rotation for energy production.
Implementation Method 1
a fluid that changes phase when a thermal gradient is applied to at least one portion of the vessel. The fluid has a liquid-to-gas phase-change property that occurs within the thermal gradient range applied to the vessel(s)
Implementation Method 2
The high temperature side is where the boiling or evaporating of the liquid occurs and the low temperature side is the condensation side
Implementation Method 3
The high temperature side is where the boiling or evaporating of the liquid occurs and the low temperature side is the condensation side
Implementation Method 4
the system tries to achieve the lowest energy state possible by turning until the mass distribution on either side of the wheel is equal, the 'sides' being relative to the vector of gravitational pull
Data Source
AI summary
A renewable energy device includes a wheel rotatably mounted on a base to spin about an axis of rotation and having a plurality of hollow, barbell-shaped fluid subassemblies fixed symmetrically about the axis. The fluid subassemblies each have a longitudinal axis radiating away from the axis of rotation, a hollow outer end defining a circular, ring-shaped, outer travel path when rotated about the axis of rotation, a hollow inner end defining a circular, ring-shaped, travel path disposed within the outer travel path when rotated about the axis of rotation, a hollow conduit fluidically connecting the outer and inner ends to define an interior cavity, and a room-temperature-boiling-point fluid disposed in the interior cavity. Inner and outer thermal variance subassemblies cover approximately half of respective ones of the inner and outer travel paths on at least one side of the wheel.