Reservoir Temperature Differential Generator with Reversible Fluid Circuit

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Solution Overview

Problem

Existing renewable energy devices fail to effectively harness temperature differentials across air-water interfaces for electricity generation due to limitations in thermal energy transfer and adaptability to natural temperature cycles.

Innovation Solution

A reservoir temperature differential electrical generator using a volatile working fluid with a low boiling point, circulated through a fluid circuit within an impermeable housing, with heat exchangers at the air-water interface and submerged in water, and controlled by sensors and a data processor to optimize energy production across diurnal and seasonal temperature variations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a volatile working fluid with low boiling point is used to harness temperature differentials across air-water interface, then electrical energy generation efficiency is improved, but device complexity increases due to need for sensors, data processor, and reversible fluid circuit control

Engineering Contradiction:
Improveelectrical energy generation efficiencyVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system changes the boiling point parameter of the working fluid by altering pressure conditions through the compression chamber, enabling the low-boiling-point fluid to operate effectively across varying temperature differentials between air and water, thus maximizing energy generation efficiency

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

Sensors monitor environmental temperature conditions and feed this information to the data processor, which automatically adjusts the fluid circuit direction and compression chamber pressure to optimize phase change efficiency and electrical energy generation

Inventive Principle:
Principle #23Feedback

2Productivity

If the fluid circuit direction is reversed to adapt to diurnal and seasonal temperature cycles, then energy production is optimized, but device complexity increases due to additional control mechanisms

Engineering Contradiction:
Improveenergy productionVSAvoidcontrol mechanisms
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The fluid circuit is designed with reversible flow capability, allowing the direction of fluid circulation to be dynamically changed based on real-time temperature differential conditions between air and water, enabling adaptation to diurnal and seasonal cycles

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Temperature sensors provide continuous feedback on environmental conditions, enabling the data processor to automatically reverse the fluid circuit direction when temperature differentials change, optimizing energy production without manual intervention

Inventive Principle:
Principle #23Feedback

3Productivity

If compression chamber is used to alter working fluid boiling point in response to environmental conditions, then phase change efficiency is improved, but device complexity increases

Engineering Contradiction:
Improvephase change efficiencyVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The compression chamber mechanically alters the pressure parameter of the working fluid, which directly changes the boiling point temperature, enabling efficient phase change across varying environmental temperature conditions

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The compression chamber is designed to be driven by the working fluid itself or auxiliary mechanisms, automatically adjusting pressure and boiling point without requiring external control systems, thus reducing overall device complexity

Inventive Principle:
Principle #25Self-service

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 generator efficiently converts temperature differentials into electrical energy by reversing the fluid circuit direction and altering the working fluid's boiling point, maximizing energy production through phase changes driven by natural temperature cycles.

Implementation Method 1

A first heat exchanger is disposed at the first end, configured to effect efficient heat transfer between the atmosphere and the working fluid

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

heat transfer between the atmosphere and the working fluid

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 3

A second heat exchanger is disposed at the second end, configured to effect efficient heat transfer between the water body and the working fluid

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 4

heat transfer between the water body and the working fluid

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 5

Phase change of the fluid from liquid to gaseous phase at the relative high temperature body

Methodology Applied
Scientific EffectPhase change: Phase Change

Implementation Method 6

Phase change of volatile liquids across small temperature gradients

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 7

The working fluid is forcible through a fluid circuit internal to an impermeable housing wherein phase change is effective at temperatures typical in the natural world

Methodology Applied
Scientific EffectBoiling: Boiling

Implementation Method 8

Phase change of the fluid from liquid to gaseous phase at the relative high temperature body results in adiabatic expansion, whereby work is performable by the fluid

Methodology Applied
Scientific EffectAdiabatic expansion: Adiabatic Cooling

Implementation Method 9

re-condensation at the relative low temperature body

Methodology Applied
Scientific EffectCondensation: Condensation

Implementation Method 10

a heat engine integral with the device. Due to diurnal, nocturnal, and seasonal temperature cycles, wherein the temperature of the water body is alternately colder and warmer than the atmosphere, a plurality of sensors is included to control and reverse the direction of the fluid circuit, and optimize production of electricity from mechanical action driven at the heat engine

Methodology Applied
Scientific EffectHeat engine: Heat Engine

Implementation Method 11

a compression chamber is included, integral with the fluid circuit, wherein action of a moveable barrier enables volumetric alteration to alternately pressurize and depressurize the working fluid in the fluid circuit whereby the boiling point of the working fluid is increasable or decreasable

Methodology Applied
Scientific EffectPressure change: Pressure Increase

Data Source

PatentUS9651031B2Reservoir temperature differential electrical generator
Publication Date: 2017.05.16 ART HEINRICHS
  • US9651031B2 patent drawing
  • US9651031B2 patent drawing
  • US9651031B2 patent drawing

AI summary

A reservoir temperature differential generator is partially submergible in a water body and a temperature differential is sensible between each of a first end, disposed above the water-air interface, and a second end submerged beneath the water surface. A volatile working fluid having a low boiling point is circulated between each of a first and second heat exchanger to effect phase change and drive a heat engine for generation of electrical energy. A plurality of sensors is included to monitor real-time environmental conditions, and thus direct a fluid circuit between a sensed maximum temperature and a sensed minimum temperature. The fluid circuit, maintained interior to the present device, is forcibly reversible between each of the first and second heat exchangers to maintain phase change of the working fluid across a maximized temperature differential in response to changing environmental conditions.