Direct Drive Vertical Axis Wind Turbine Eliminates Gearbox
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Solution Overview
Problem
Conventional wind turbines face challenges in efficiently converting wind energy into electrical energy, particularly in urban settings with turbulent wind conditions, and they often require mechanical adjustments and maintenance due to complex mechanical systems.
Innovation Solution
The Electronic Inertial Power (EiP) wind machine employs a direct drive vertical axis wind turbine with a modular, fault-tolerant design that uses a permanent magnet generator and stationary vertical fins to concentrate wind energy, eliminating the need for central shafts and mechanical gearboxes, and incorporates modular three-phase inductor modules for efficient power generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If conventional wind turbines use mechanical gearboxes and central shafts to convert wind energy, then power generation capability is achieved, but mechanical complexity increases and maintenance requirements increase
Solution Approach 1:
The patent removes the mechanical gearbox and central shaft from the wind turbine system, extracting these complex mechanical components entirely. The generator is repositioned to be driven directly by the rotor through a simplified direct-drive mechanism, eliminating the need for gear multiplication and complex mechanical transmission systems while maintaining power generation capability.
Solution Approach 2:
The patent replaces the mechanical gearbox system with a direct-drive electromagnetic coupling system. The rotor magnets directly interact with the stator coils to generate electricity, substituting mechanical gear transmission with electromagnetic field interaction, thereby reducing mechanical complexity and maintenance needs.
2Power
If conventional wind turbines use complex mechanical systems for power conversion, then energy conversion is achieved, but maintenance frequency increases
Solution Approach 1:
The direct-drive system is designed to be inherently more reliable with fewer moving parts that require maintenance. The elimination of gearboxes and central shafts removes common failure points, allowing the system to operate with minimal human intervention and maintenance, effectively serving itself over extended periods.
Solution Approach 2:
By removing the mechanical gearbox and central shaft components, the patent extracts the sources of mechanical failure and maintenance requirements. The simplified system has fewer parts that wear out or require lubrication, directly improving reliability and reducing maintenance frequency while maintaining energy conversion efficiency.
3Productivity
If wind turbines are designed for high power output, then energy production increases, but system complexity and cost increase
Solution Approach 1:
The patent segments the wind turbine into modular components: rotor with magnets, stator with coils, and support structure. This segmentation allows for scalable design where additional rotor-stator modules can be added to increase power output without proportionally increasing overall system complexity. Each module operates independently and can be manufactured and assembled separately.
Solution Approach 2:
The direct-drive rotor-stator assembly serves multiple functions simultaneously: it captures wind energy through rotor rotation, generates electricity through electromagnetic induction, and provides structural support. This multi-functionality reduces the need for separate components, thereby increasing energy production without proportionally increasing system 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 EiP wind machine effectively converts a wide range of wind conditions into stable electrical power with reduced maintenance needs, providing reliable and efficient energy production suitable for urban rooftops and scalable for larger power outputs.
Implementation Method 1
separate magnets evenly spaced from one another on an outer peripheral of the annulus ring rotor to move through the circular array of inductor coils as the annulus ring rotor rotates with respect to the annulus ring track so that the relative motion between the magnets and the inductor coils causes generation of electric currents in the inductor coils
Implementation Method 2
cylindrical wind rotor assembly structured to include wind-deflecting blades that are spaced from one another and arranged in a circle around the cylindrical wind rotor assembly to form a hollow central cylindrical interior space for containing a wind vortex formed from deflecting of the received wind by the wind-deflecting blades
Data Source
AI summary
Methods, systems, and devices are disclosed for wind power generation. In one aspect, a wind power generator includes a support base; inductors positioned over the support base in a circular array; an annulus ring track fixed to the base support and providing a circular track around which the inductors are located; an annulus ring rotor placed on the annulus ring track and engaged to rollers in the circular track so that the annulus ring rotor can rotate relative to the an annulus ring track, in which the annulus ring rotor include separate magnets to move through the circular array of inductors to cause generation of electric currents; and a wind rotor assembly coupled to the annulus ring rotor and including wind-deflecting blades that rotate with the rotor and a hollow central interior for containing a wind vortex formed from deflecting wind by the blades to convert into the electric energy.