Temperature Differential Engine for Thermal Energy Conversion

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Solution Overview

Problem

Traditional methods for transferring thermal energy into mechanical energy involve energy losses and the consumption of additional fossil resources due to the need for pressure elevation, which is inefficient.

Innovation Solution

A temperature differential engine device that directly converts thermal energy from molecular motions into mechanical energy at constant pressure, utilizing a low-boiling-point medium steam turbine, a heat absorber, a thermal-insulating low-temperature countercurrent heat exchanger, a circulating pump, and a refrigerating system to efficiently transfer thermal energy from natural fluids into mechanical energy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If traditional pressure-based thermal energy conversion is used, then thermal energy can be transferred into mechanical energy, but energy losses increase and additional fossil energy resources are consumed

Engineering Contradiction:
Improveenergy efficiencyVSAvoidenergy loss
Core Design Contradiction:
Use of energy by moving objectVSLoss of energy

Solution Approach 1:

The invention extracts and eliminates the pressure elevation process from the traditional thermal energy conversion system. By removing the component responsible for pressure increase, the system directly converts thermal energy into mechanical energy without the intermediate pressure-building step, thereby reducing energy losses and fossil fuel consumption associated with compression.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention changes the fundamental operating parameter from pressure-based conversion to temperature differential-based conversion. Instead of using pressure as the intermediate medium to convert thermal energy to mechanical energy, the system uses direct thermal expansion and molecular motion driven by temperature differences, fundamentally altering the conversion mechanism to improve efficiency.

Inventive Principle:
Principle #35Parameter changes

2Power

If pressure elevation process is used to convert thermal energy into mechanical energy, then energy conversion can occur, but additional fossil energy resources are consumed

Engineering Contradiction:
Improvemechanical energy outputVSAvoidfossil energy consumption
Core Design Contradiction:
PowerVSLoss of substance

Solution Approach 1:

The invention removes the pressure elevation process from the energy conversion chain. By eliminating the need for mechanical compression devices that consume fossil fuels, the system achieves direct thermal-to-mechanical energy conversion, thereby reducing fossil energy consumption while maintaining mechanical energy output through alternative thermal expansion mechanisms.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The system uses the thermal energy from the natural environment itself to drive the conversion process, without requiring external fossil fuel inputs. The temperature differential between environmental sources and sinks directly drives the thermal expansion and contraction cycles that produce mechanical work, making the system self-sufficient and eliminating fossil fuel dependence.

Inventive Principle:
Principle #25Self-service

3Productivity

If thermal energy from natural environment is converted directly into mechanical energy, then energy efficiency improves, but system complexity increases

Engineering Contradiction:
Improveenergy conversion efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The invention merges multiple functions into integrated components. The heat exchanger simultaneously performs heat absorption, thermal storage, and drive medium heating functions. The expansion mechanism directly couples thermal expansion to mechanical motion without separate transmission components. This functional integration reduces system complexity while maintaining high conversion efficiency.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system uses universal components that perform multiple functions. The working fluid serves as both the heat transfer medium and the expansion driver. The thermal expansion mechanism directly produces mechanical motion while also regulating system pressure and temperature. This multi-functionality reduces the number of dedicated components needed, simplifying the overall system.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This approach reduces energy losses and fossil fuel consumption by eliminating the pressure elevation process, allowing for efficient conversion of thermal energy into mechanical energy while maintaining low temperatures and balancing energy consumption, suitable for various environmental conditions and applications.

Implementation Method 1

a low-boiling-point medium steam turbine (1), a heat absorber (2), a thermal-insulating type low-temperature countercurrent heat exchanger (3)

Methodology Applied
Scientific EffectPhase change: Phase Change

Implementation Method 2

directly transfers the energy emerging from molecular thermal motions into mechanical energy

Methodology Applied
Scientific EffectThermal expansion: Thermal Expansion

Implementation Method 3

a thermal-insulating type low-temperature countercurrent heat exchanger (3)

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 4

countercurrent heat exchanger

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 5

The refrigerating system (5) mainly functions to dissipate the heat which is carried with the fluid

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Implementation Method 6

refrigerating system

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentEP2535583B1Temperature differential engine device
Publication Date: 2020.12.23 SHANDONG NATERGY ENERGY TECH CO LTD
  • EP2535583B1 patent drawingFigure 1

AI summary

A temperature differential engine device includes a low-boiling-point medium steam turbine (1), a heat absorber (2), a thermal-insulating type low-temperature countercurrent heat exchanger (3), a circulating pump (4), and a refrigerating system (5) which are interconnected to constitute a closed circulating system filled with low-boiling-point medium fluid. The low-boiling-point medium steam turbine (1) and the heat absorber (2) constitute a low-density-medium heat-absorbing working system, and the circulating pump (4) and the refrigerating system (5) constitute a high-density-medium refrigerating-circulating system. The temperature differential engine device can transfer thermal energy into mechanical energy.