Counter-rotating fluid generator with automated control
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Solution Overview
Problem
Existing electrical generation systems, particularly wind-based generators, are not well-suited for certain applications and are moderately inefficient in converting captured energy to electricity, lacking enhanced efficiency and automated control mechanisms.
Innovation Solution
A fluid-driven generator system featuring counter-rotating rotor and stator assemblies with adjustable components, including turbines and fins, optimized for underwater and automotive applications, utilizing an onboard computer for positional control within fluid streams to maximize energy capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional single-direction rotational generators are used, then the mechanical configuration is simple, but the energy conversion efficiency is moderate and not optimized for certain applications
Solution Approach 1:
The generator is divided into two independent rotor assemblies (first rotor and second rotor) that can rotate in opposite directions. Each rotor has its own turbines that capture energy from fluid flow in different directions, allowing the system to convert energy more efficiently from bidirectional fluid flow while maintaining relatively simple individual rotor configurations
Solution Approach 2:
The generator employs dynamic control through an automated system that adjusts the pitch of turbine blades and the orientation of fins based on real-time fluid flow conditions. This dynamic adaptation maximizes energy capture efficiency without requiring complex manual intervention, resolving the contradiction between improved productivity and device complexity
2Adaptability or versatility
If wind-based generators are widely adopted, then renewable energy production increases, but the systems are not well-suited for certain applications and lack automated control
Solution Approach 1:
The generator design incorporates adjustable turbine pitch mechanisms and movable fins that can be controlled to adapt to different fluid flow conditions and application requirements. The system can function effectively in various environments (underwater, automotive, wind applications) by adjusting its configuration, providing versatility across multiple applications while including automated control systems
Solution Approach 2:
The generator includes sensors and control systems that continuously monitor fluid flow conditions and automatically adjust turbine blade pitch and fin orientation to optimize energy capture. This feedback mechanism ensures the system is well-suited for various applications by adapting to specific environmental conditions without requiring manual intervention
3Productivity
If counter-rotating rotor assemblies are implemented, then energy capture is optimized, but the device complexity increases
Solution Approach 1:
The patent combines two rotor assemblies with opposite rotation directions into a single integrated generator structure. The first and second rotors are positioned coaxially with their turbines facing opposite directions, allowing them to simultaneously capture energy from bidirectional fluid flow. This merging approach optimizes output efficiency by utilizing both directions of fluid flow while sharing common structural components and control systems, thereby managing the complexity
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 significantly increases output efficiency by optimizing energy capture through counter-rotating assemblies and automated positional control, enhancing energy conversion from fluid flows into electricity in various environments.
Implementation Method 1
The movement of the permanent magnets in close proximity to the windings induces an electric current in the windings
Implementation Method 2
The one or more stator turbines are configured to rotate in a first direction. The rotor assembly includes one or more rotor turbines connected to the plurality of permanent magnets
Data Source
AI summary
A fluid-driven electricity generator includes a stator assembly and a rotor assembly. The stator assembly includes a stator core that includes a plurality of stator windings and one or more stator turbines connected to the stator core. The one or more stator turbines are configured to rotate in a first direction. The rotor assembly includes a plurality of permanent magnets that are substantially surrounded by the stator core. The rotor assembly also includes one or more rotor turbines connected to the plurality of permanent magnets. The one or more rotor turbines are configured to rotate in a second direction that is opposite the first direction.