Pulsed Energy Transfer System for Low-Flow Fluid Conversion

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Solution Overview

Problem

Existing technologies fail to efficiently convert the energy of low-flowing fluids into electrical energy due to insufficient flow rates overcoming resistive forces, leading to inefficient mechanical energy generation.

Innovation Solution

A pulsed energy transfer system that periodically engages and disengages an energy converter, storing rotational energy during low-flow conditions and transferring it to an electrical load when flow rates are sufficient, utilizing a clutch mechanism and speed sensor to optimize energy transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If continuous energy conversion is attempted at low flow rates, then the system operates continuously, but the conversion efficiency is insufficient due to inadequate flow rates to overcome resistive forces

Engineering Contradiction:
Improveenergy conversion efficiencyVSAvoidenergy loss due to insufficient flow
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The system employs periodic engagement and disengagement of the energy converter through a clutch mechanism. During low-flow periods, the clutch disengages the converter to prevent energy losses. During high-flow periods, the clutch engages the converter for efficient energy conversion. This periodic action resolves the contradiction by adapting the conversion operation to actual flow conditions.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system stores rotational energy in a rotational mass (flywheel) during low-flow conditions before high-flow conditions occur. This preliminary energy storage allows the system to maintain operation and quickly transition to efficient conversion when sufficient flow becomes available, rather than waiting for flow to overcome resistive forces in real-time.

Inventive Principle:
Principle #10Preliminary action

2Power

If the energy converter operates continuously, then constant energy transfer is attempted, but resistive forces prevent efficient conversion at low flow rates

Engineering Contradiction:
Improvepower transfer efficiencyVSAvoidresistive forces
Core Design Contradiction:
PowerVSForce

Solution Approach 1:

The clutch mechanism periodically engages and disengages the energy converter based on flow conditions. When flow rates are low and cannot overcome resistive forces, the converter is disengaged to avoid inefficient operation. When flow rates are sufficient, the converter is engaged for efficient power transfer, thus resolving the power-resistive force contradiction.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system dynamically adjusts the engagement state of the energy converter through the clutch mechanism, transitioning between engaged and disengaged states based on real-time flow conditions. This dynamic adaptation allows the system to optimize power transfer efficiency by operating the converter only when flow rates can effectively overcome resistive forces.

Inventive Principle:
Principle #15Dynamics

3Productivity

If the system waits for sufficient flow rates to overcome resistive forces, then efficient conversion is achieved, but energy transfer is delayed during low-flow periods

Engineering Contradiction:
Improveenergy transfer efficiencyVSAvoiddelay in energy transfer
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The rotational mass (flywheel) performs preliminary energy storage during low-flow periods by accumulating rotational kinetic energy. This allows the system to build up energy reserves before high-flow conditions occur, enabling immediate efficient energy transfer when flow becomes sufficient without waiting for the flow to gradually overcome resistive forces.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes the operational parameters of the energy converter by adjusting its engagement timing through the clutch mechanism and controlling the rotational speed of the flywheel. By optimizing these parameters, the system achieves efficient energy conversion during high-flow periods while minimizing idle time during low-flow periods through proactive energy storage.

Inventive Principle:
Principle #35Parameter changes

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 effectively converts low-flow fluid energy into electrical energy by pulsing the energy converter, allowing for efficient energy storage and transfer during low-flow conditions, thereby overcoming resistive forces and enhancing energy generation.

Implementation Method 1

a turbine to generate mechanical energy from the flow of a fluid

Methodology Applied
Scientific EffectKinetic energy conversion: Turbine

Implementation Method 2

a rotational mass on a shaft of the turbine to store energy

Methodology Applied
Scientific EffectRotational energy storage: Flywheel

Implementation Method 3

an energy converter to convert the mechanical energy into electrical energy

Methodology Applied
Scientific EffectElectromagnetic energy conversion: Electromagnetic Induction

Data Source

PatentUS7843077B2Pulsed energy transfer
Publication Date: 2010.11.30 ARDUINI DOUGLAS P
  • US7843077B2 patent drawing
  • US7843077B2 patent drawing
  • US7843077B2 patent drawing

AI summary

A system capable of converting fluid energy into electrical energy in conditions of low fluid flow is provided. In an embodiment, the system may engage and disengage an energy converter via an automatic clutch. In an embodiment, the transmission of energy to an energy converter is controlled by switching the energy converter on and off. In another embodiment, the flow of electrical energy to an electrical load is controlled by a switching device. In another embodiment, a funnel is used for condensing the flow of fluid moving through the system.