Conical Wind Turbine Venturi Structure for Low-Wind Power Capture

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Solution Overview

Problem

Existing wind power devices suffer from low efficiency, especially under low wind speeds, and fail to optimally align with wind direction, leading to inefficient energy capture and ecological hazards from blade collisions.

Innovation Solution

A compact, high-efficiency wind power device with a conical shell for airflow acceleration and automatic wind alignment, combined with a counterweighted support rod and lightweight adjustment plate for optimal orientation, and features like a collision-prevention net and solar panels for auxiliary power.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional wind turbines use massive blades (tens to hundreds of meters), then they can capture more wind energy, but they become excessively heavy and fail to rotate under low wind speeds

Engineering Contradiction:

Improveenergy capture efficiencyVSAvoidblade weight

Core Design Contradiction:

ProductivityVSWeight of moving object

Solution Approach 1:

The wind turbine is divided into separate functional modules: the rotor assembly (blades + hub) is detachable from the tower structure. This allows the blades to be lightweight yet effective, as they only need to rotate during operation rather than supporting the entire tower weight. The segmentation enables optimization of blade mass for rotational efficiency rather than structural strength.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent employs a counterweight mechanism attached to the rotor assembly that balances the weight distribution during rotation. This counterweight system compensates for the lightweight blade design, ensuring proper rotational dynamics and preventing excessive vibration or instability, thereby enabling efficient energy capture without requiring massive blade structures.

Inventive Principle:

Principle #8Anti-weight (Counterweight)

2Productivity

If conventional wind turbines use massive blades, then they can capture more wind energy, but they fail to rotate under low wind speeds

Engineering Contradiction:

Improveenergy capture efficiencyVSAvoidrotation speed

Core Design Contradiction:

ProductivityVSSpeed

Solution Approach 1:

The rotor assembly is designed with dynamic characteristics optimized for low wind speeds. The blade geometry and hub structure are configured to generate sufficient rotational force even in moderate winds. The detachable design allows the rotor to be lightweight, reducing the threshold wind speed required for rotation and enabling operation across a wider range of wind conditions.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent optimizes various parameters including blade angle, hub diameter, and rotor mass distribution to enhance rotational performance in low wind conditions. By adjusting these parameters, the system achieves efficient energy capture at lower wind speeds compared to conventional fixed-blade designs.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If small-scale wind turbines are used, then they are operable in most conditions, but they suffer from limited energy capture efficiency

Engineering Contradiction:

Improveoperability in various conditionsVSAvoidenergy capture efficiency

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The wind turbine system is designed to operate effectively across a wide range of wind speeds and conditions. The detachable rotor assembly can be optimized for different applications, and the counterweight mechanism ensures stable operation in varied environmental conditions. This universal design enables the turbine to maintain high energy capture efficiency whether installed in urban, rural, or coastal areas.

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Power

If existing devices are used, then they can generate power, but they struggle to align blades optimally with wind direction

Engineering Contradiction:

Improvepower generationVSAvoidenergy capture efficiency

Core Design Contradiction:

PowerVSProductivity

Solution Approach 1:

The blade alignment system incorporates dynamic adjustment capabilities that allow the blades to automatically orient themselves according to wind direction. This dynamic alignment mechanism ensures optimal angle of attack for maximum energy capture, adapting to changing wind conditions without requiring complex active control systems.

Inventive Principle:

Principle #15Dynamics

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

Enables efficient energy capture even in low winds and reduces bird fatalities through automatic alignment and integrated safety features.

Implementation Method 1

The conical shell accelerates airflow via the Venturi effect, enabling blade ROTATION EVEN IN LOW WINDS

Methodology Applied

Scientific EffectVenturi effect: Venturi Effect

Implementation Method 2

Solar panels on the upper cylinder surface supply auxiliary power for device operation

Methodology Applied

Scientific EffectSolar energy conversion: Photovoltaic Effect

Data Source

PatentUS20260049592A1High-Efficiency Wind Power Generation Device

Publication Date: 2026.02.19 WANG ZHENKUN ZACK

AI summary

This invention provides a compact, high-efficiency wind power device featuring permanent wind alignment and avian protection. The conical shell's large inlet and small outlet utilize the Venturi effect to accelerate airflow driving generator blades at the outlet. A counterweighted front support with bearing joint and rear adjustment plate ensures inlet alignment via the lever principle. A collision-prevention net and warning light are mounted at the inlet. The upper cylinder surface integrates solar panels to power the device internally.